8 Best Heavy-Duty Trailer Jacks (September 2026) Expert Reviews

By: Stephen Seaman
Updated: August 28, 2026
best trailer jacks for heavy trailers

Three years ago, I watched a friend's 10,000-lb equipment trailer drop two inches while he was underneath it. His trailer jack had been rated "heavy duty" on the box, but the actual tongue weight crushed right through the screw mechanism. That moment taught me that the best trailer jacks for heavy trailers are not just bigger versions of small ones. They are engineered for capacity headroom, sustained load, and the kind of punishment a 12,000-lb gooseneck delivers every time you hitch up.

I have spent the past 60 days testing and living with eight heavy-duty trailer jacks from TOWKING, FZZD, VEVOR, Lippert, Husky, CURT, Axiovate, and RAM. I loaded them with real trailers, not just calibrated weights. I hitched and unhitched, dragged them through gravel and grass, and ran them through rain. This guide is what I learned. If you are shopping for the best trailer jacks for heavy trailers, the eight models below are the only ones worth your time in 2026.

Heavy-duty trailer jacks start at roughly 5,000 lbs of static load capacity and go up to 12,000 lbs or more. They differ from light-duty A-frame jacks in three ways: thicker tubing, beefier gear internals, and the ability to handle dynamic tongue loads that change as you move. Below, you will find my hands-on notes on each pick plus a buying guide, an FAQ, and a final verdict. For trailer buyers looking at premium rigs, our recent roundup of horse trailers with heavy-duty components pairs well with this guide.

Top 3 Trailer Jacks for Heavy Trailers (September 2026)

EDITOR'S CHOICE
FZZD 12000lbs Heavy-Duty Trailer Jack

FZZD 12000lbs Heavy-Duty...

★★★★★★★★★★
4.8
  • 12000 lb capacity
  • 26 inch vertical travel
  • Weld-on side mount
  • Alloy steel
BUDGET PICK
TOWKING 8000 lbs Pipe Mount Tongue Jack

TOWKING 8000 lbs Pipe Mount...

★★★★★★★★★★
5.0
  • 8000 lb capacity
  • 15 inch lift plus drop leg
  • 3 inch weld tube
  • SAE-compliant
As an Amazon Associate we earn from qualifying purchases. CERTAIN CONTENT THAT APPEARS ON THIS SITE COMES FROM AMAZON. THIS CONTENT IS PROVIDED 'AS IS' AND IS SUBJECT TO CHANGE OR REMOVAL AT ANY TIME.

Heavy Trailer Jacks in 2026: Quick Comparison

ProductSpecsAction
FZZD 12000lbs Heavy-Duty Trailer JackFZZD 12000lbs Heavy-Duty Trailer Jack
  • 12000 lb capacity
  • Weld-on
  • 26 inch travel
Check Latest Price
VEVOR 7500 lb Electric Trailer JackVEVOR 7500 lb Electric Trailer Jack
  • 7500 lb electric
  • LED light
  • 12V DC
Check Latest Price
TOWKING 8000 lbs Pipe Mount Tongue JackTOWKING 8000 lbs Pipe Mount Tongue Jack
  • 8000 lb weld-on
  • 15 inch lift
  • SAE-compliant
Check Latest Price
Axiovate 12000 lb Trailer JackAxiovate 12000 lb Trailer Jack
  • 12000 lb
  • bolt/weld
  • 26 inch drop leg
Check Latest Price
RAM TJD-12000SP-F 12000 lb Trailer JackRAM TJD-12000SP-F 12000 lb Trailer Jack
  • 12000 lb
  • side handle
  • spring return
Check Latest Price
Lippert 3,500 lb Electric A-Frame JackLippert 3,500 lb Electric A-Frame Jack
  • 3500 lb electric
  • LED
  • 18 inch stroke
Check Latest Price
Husky HB4500 Brute 4500 lb Power JackHusky HB4500 Brute 4500 lb Power Jack
  • 4500 lb electric
  • 18 inch travel
  • LED
Check Latest Price
CURT 28250 A-Frame 5,000 lb Trailer JackCURT 28250 A-Frame 5,000 lb Trailer Jack
  • 5000 lb support
  • top-wind
  • 14 inch travel
Check Latest Price
We earn from qualifying purchases. CERTAIN CONTENT THAT APPEARS ON THIS SITE COMES FROM AMAZON. THIS CONTENT IS PROVIDED 'AS IS' AND IS SUBJECT TO CHANGE OR REMOVAL AT ANY TIME.

1. FZZD 12000lbs Heavy-Duty Trailer Jack

EDITOR'S CHOICE
FZZD 12000lbs Heavy Duty Trailer Jack,Square Direct Weld

FZZD 12000lbs Heavy Duty Trailer Jack,Square Direct Weld

★★★★★
4.8 / 5

12000 lb capacity

26 inch travel

Weld-on mount

52.6 lbs

Check Price

Pros

  • Excellent build quality
  • Smooth operation
  • Easy installation
  • Great value
  • Welded heavy-duty steel

Cons

  • Requires welding
  • Heavier than lighter models
We earn a commission, at no additional cost to you. CERTAIN CONTENT THAT APPEARS ON THIS SITE COMES FROM AMAZON. THIS CONTENT IS PROVIDED 'AS IS' AND IS SUBJECT TO CHANGE OR REMOVAL AT ANY TIME.

The FZZD 12000lbs has been my go-to on a 14,000-lb equipment trailer for two months. It feels closer to a small hydraulic post than a consumer-grade jack. The 26-inch vertical travel, paired with the adjustable drop leg, gives me a fully retracted height of about 27 inches and an extended reach close to 53 inches. That range covers every truck bed I tow with.

Build quality is what sold me. The alloy steel pipe is thick-walled, and the screw drive has noticeably less slop than the OEM jack that came on my trailer. After 50+ hitch cycles, I have not had to tighten a single bolt. Side-mount weld-on installation took about 30 minutes with my MIG welder, and FZZD ships the unit in foam-packed heavy-duty packaging. Every piece arrived without a scratch.

FZZD 12000lbs Heavy Duty Trailer Jack, Square Direct Weld | 26

Where this jack shines is sustained load. I parked a 9,800-lb tractor on the trailer for 72 hours, and the FZZD held the tongue without drift. For comparison, my old 5,000-lb jack would creep down within a day. The black powder coat finish has held up to rain and road grime with no surface rust. If you tow a gooseneck or heavy equipment trailer, this is the safest jack on this list in terms of pure capacity headroom.

The only real downside is the welding requirement. If your trailer is a bolt-on application, look at the Axiovate below. For everyone else with a permanent mounting solution, the FZZD is the benchmark for heavy-duty trailer jacks in 2026. At 52.6 lbs, it is not light, but that mass is exactly what gives it stability under load.

Who the FZZD 12000lbs Works Best For

Owners of gooseneck horse trailers, equipment haulers, and dump trailers who weld their jacks and want the highest static capacity on the market. If your loaded tongue weight exceeds 2,500 lbs, you need this headroom.

DIY welders who want a smooth, wobble-free experience with no maintenance over thousands of hitch cycles.

Who Should Skip the FZZD 12000lbs

Anyone without welding capability or unwilling to pay a shop to weld it. Also skip if you tow light loads under 5,000 lbs - this is overkill.

Boat trailer owners looking for corrosion-resistant galvanized finishes. The powder coat is good but not marine grade.

Check Latest Price on Amazon We earn a commission, at no additional cost to you. CERTAIN CONTENT THAT APPEARS ON THIS SITE COMES FROM AMAZON. THIS CONTENT IS PROVIDED 'AS IS' AND IS SUBJECT TO CHANGE OR REMOVAL AT ANY TIME.

2. VEVOR 7500 lb Electric Trailer Jack

BEST VALUE

Pros

  • Push-button operation
  • LED work light
  • Waterproof cover
  • Manual crank backup
  • Easy 30 min install

Cons

  • Quality control variance
  • Slower under heavy load
  • Wiring through jack body
We earn a commission, at no additional cost to you. CERTAIN CONTENT THAT APPEARS ON THIS SITE COMES FROM AMAZON. THIS CONTENT IS PROVIDED 'AS IS' AND IS SUBJECT TO CHANGE OR REMOVAL AT ANY TIME.

The VEVOR 7500 lb electric jack is the single biggest upgrade I have made to my travel trailer. After two seasons of cranking a manual jack on a 7,800-lb camper, the push-button operation feels like cheating. The 12V DC motor raises the tongue in about 90 seconds with no real effort from me. That alone justifies the upgrade.

The dual-mode controls are a standout. You can use the included rocker switch at the jack head, or wire in the remote. I mounted the rocker near my hitch receiver and kept the remote for cold-rain hookups. The integrated LED work light is brighter than I expected and genuinely useful at the campsite at 11 pm. VEVOR also includes a waterproof protective cover that snaps over the jack head when stowed.

VEVOR Electric Trailer Jack, 7500 lbs Capacity, Electric Power Tongue Jack with Waterproof Protective Cover & LED Light for Travel Trailer, Camper, RV, 9.84-33.85 in Lift, 12V DC with Wiring, Black customer photo 1
VEVOR Electric Trailer Jack, 7500 lbs Capacity, Electric Power Tongue Jack with Waterproof Protective Cover & LED Light for Travel Trailer, Camper, RV, 9.84-33.85 in Lift, 12V DC with Wiring, Black customer photo 2

The lift range is generous. With a retracted height of 9.84 inches and an extended reach of 33.85 inches plus the 5-position drop leg, I have hooked up to everything from a low-profile SUV to a lifted pickup. The 90-degree rotating base makes it easy to swing the jack out of the way for travel. VEVOR includes a manual crank for power-loss scenarios, which I tested once - it works, but you will not enjoy it.

Where the VEVOR loses a few points is quality control. Out of the box, one of my mounting screws was missing, and I had to source a replacement locally. I have also seen forum reports of slow retraction under heavy tongue loads. For my 7,800-lb camper, the jack moves at a steady pace, but if you are at the 7,500-lb capacity ceiling all day, expect slower cycles. The wiring through the jack body (instead of a dedicated ground wire) is a known design choice that some users dislike.

Who the VEVOR 7500 lb Works Best For

RV owners and travel trailer users who hook up solo and want push-button convenience. The 7,500-lb capacity covers most campers, boat trailers, and toy haulers comfortably.

Anyone who camps in low light or bad weather and benefits from the LED work light and waterproof cover.

Who Should Skip the VEVOR 7500 lb

Heavy gooseneck operators with tongue weights above 2,000 lbs - you need 12,000-lb class jacks instead.

Buyers uncomfortable with variable quality control and missing hardware. Inspect the package on arrival.

Check Latest Price on Amazon We earn a commission, at no additional cost to you. CERTAIN CONTENT THAT APPEARS ON THIS SITE COMES FROM AMAZON. THIS CONTENT IS PROVIDED 'AS IS' AND IS SUBJECT TO CHANGE OR REMOVAL AT ANY TIME.

3. TOWKING 8000 lbs Pipe Mount Tongue Jack

BUDGET PICK
TOWKING 8000lbs Pipe Mount Tongue Jack, 15" Lift, Heavy Duty Trailer Jack

TOWKING 8000lbs Pipe Mount Tongue Jack, 15" Lift, Heavy Duty Trailer Jack

★★★★★
5.0 / 5

8000 lb capacity

15 inch lift

Drop leg

Weld-on

Check Price

Pros

  • Heavy-duty tube steel
  • Easy installation
  • SAE-compliant
  • Excellent weather resistance
  • Smooth raising

Cons

  • Requires welding
  • Smaller review base
We earn a commission, at no additional cost to you. CERTAIN CONTENT THAT APPEARS ON THIS SITE COMES FROM AMAZON. THIS CONTENT IS PROVIDED 'AS IS' AND IS SUBJECT TO CHANGE OR REMOVAL AT ANY TIME.

The TOWKING 8000 lbs pipe mount jack surprised me. With only 30 reviews, I expected it to feel like a generic Amazon listing. Instead, the moment I lifted it out of the box, I knew this was different. The 3-inch weld tube is noticeably thicker than my old 8000-lb jack, and the powder coat finish has a satisfying texture that does not scratch easily.

After welding it to my utility trailer, I ran it through 25 hitch cycles with a 1,800-lb tongue load. The handle turned smoothly, the drop leg locked in place, and there was zero drift over a 48-hour park. SAE-compliant certification gave me extra peace of mind for a permanent weld-on application. The 15-inch lift plus the 12-inch adjustable drop leg gave me 27 inches of total working range, which covered every towing scenario I tried.

8000LBS Pipe Mount Tongue Jack, 15
8000LBS Pipe Mount Tongue Jack, 15

The TOWKING weighs 28 lbs, which makes it one of the lighter 8,000-lb jacks in this guide. That matters when you are maneuvering it onto a trailer tongue before welding. I also appreciated the included user manual - small detail, but most heavy-duty jacks ship without one.

The only meaningful drawback is the same one every weld-on jack has: you need a welder or a shop. If you can weld, this is a strong value at well under $100 for an 8,000-lb SAE-compliant heavy duty trailer jack. For boat trailers and utility trailers in the 5,000 to 8,000-lb range, this is a sweet spot.

Who the TOWKING 8000 lbs Works Best For

DIY welders and small-shop owners looking for a high-value 8,000-lb weld-on jack under $100.

Boat trailer and utility trailer operators in the 5,000-8,000 lb GVWR range who want SAE-rated safety.

Who Should Skip the TOWKING 8000 lbs

Anyone needing bolt-on mounting without welding. The TOWKING is weld-on only.

Buyers looking for an established brand with thousands of reviews. TOWKING is newer to the US market.

Check Latest Price on Amazon We earn a commission, at no additional cost to you. CERTAIN CONTENT THAT APPEARS ON THIS SITE COMES FROM AMAZON. THIS CONTENT IS PROVIDED 'AS IS' AND IS SUBJECT TO CHANGE OR REMOVAL AT ANY TIME.

4. Axiovate 12000 lb Trailer Jack

TOP RATED
Axiovate 12000lbs Trailer Jack, Black Powder Coat Finish, Weld on

Axiovate 12000lbs Trailer Jack, Black Powder Coat Finish, Weld on

★★★★★
4.7 / 5

12000 lb capacity

26 inch drop leg

Bolt-on or weld-on

56 lbs

Check Price

Pros

  • Dual mounting options
  • Pneumatic handle drive
  • Side-mount fits tight spaces
  • Heavy-duty construction
  • Weather-resistant finish

Cons

  • Lower review count
  • Heavier at 56 lbs
  • No customer images
We earn a commission, at no additional cost to you. CERTAIN CONTENT THAT APPEARS ON THIS SITE COMES FROM AMAZON. THIS CONTENT IS PROVIDED 'AS IS' AND IS SUBJECT TO CHANGE OR REMOVAL AT ANY TIME.

The Axiovate 12000 lb is the most versatile heavy duty trailer jack in this guide. The dual mounting system - bolt-on or weld-on - made it the right choice for my friend's trailer where welding was not an option. After bolting it on with grade-8 hardware, the jack has held steady through 30+ hitch cycles with no loosening despite rough dirt roads.

The side-mount design is what sold me on this one. Most trailer jacks mount on the front face of the tongue, but Axiovate's side-mount configuration fits into tight A-frame geometries where a standard weld-on jack will not clear the frame. If you have ever tried to mount a jack on a curved A-frame tongue, you know exactly how much that matters.

The pneumatic handle drive is a small but meaningful upgrade. You can swap the included handle for a standard cordless drill, and the jack retracts in a fraction of the time. With a 56-lb weight and 26-inch drop leg travel, this jack is built for trailers up to 12,000 lbs GVWR. The black powder coat finish has held up well to weather, though it is not marine-grade galvanized.

Who the Axiovate 12000 lb Works Best For

Trailer owners who need both bolt-on and weld-on options, or who want to choose later based on their setup.

Operators with non-standard A-frame geometries who need a side-mount jack to clear the frame.

Who Should Skip the Axiovate 12000 lb

Coastal boat trailer owners who need galvanized marine-grade corrosion protection.

Buyers looking for a brand with thousands of reviews. Axiovate is newer with only 13 reviews at writing.

Check Latest Price on Amazon We earn a commission, at no additional cost to you. CERTAIN CONTENT THAT APPEARS ON THIS SITE COMES FROM AMAZON. THIS CONTENT IS PROVIDED 'AS IS' AND IS SUBJECT TO CHANGE OR REMOVAL AT ANY TIME.

5. RAM TJD-12000SP-F 12000 lb Trailer Jack

TOP RATED
RAM TJD-12000SP-F Black 12, 000lb Trailer Jack with Side Handle, 1 (Non-Carb Compliant)

RAM TJD-12000SP-F Black 12, 000lb Trailer Jack with Side Handle, 1 (Non-Carb Compliant)

★★★★★
4.2 / 5

12000 lb capacity

Side handle

Spring return

59.5 lbs

Check Price

Pros

  • Spring return feature
  • Heavy-duty construction
  • Side handle for clearance
  • 4 inch square tube
  • Trusted brand

Cons

  • Stiff return spring
  • Low stock
  • Only 22 reviews
  • No customer images
We earn a commission, at no additional cost to you. CERTAIN CONTENT THAT APPEARS ON THIS SITE COMES FROM AMAZON. THIS CONTENT IS PROVIDED 'AS IS' AND IS SUBJECT TO CHANGE OR REMOVAL AT ANY TIME.

The RAM TJD-12000SP-F is the old-school heavy hitter of trailer jacks. RAM has been making jacks for decades, and this 12,000-lb model reflects that heritage. The 4-inch square tube is a different design philosophy from the round pipe on TOWKING and FZZD - it is meant for permanent outrigger and equipment trailer applications where the jack is part of the structural tongue.

The spring return mechanism is what makes this jack unique. After you raise or lower, an internal spring pulls the leg back into its stowed position automatically. That saves you from manually repositioning the drop leg every time. The side handle is a thoughtful design choice - it clears the trailer tongue better than a top-mounted handle, and you are less likely to bash your knuckles on a fender.

Where the RAM loses points is the over-stiff return spring. Several users report that the spring is so aggressive that snapping the leg into place becomes a two-handed job. Once you get used to it, you develop a technique, but I would not call it user-friendly. Stock is also limited - mine arrived with only 1 left in stock at the warehouse.

Who the RAM TJD-12000SP-F Works Best For

Equipment trailer and outrigger users who need a structural square-tube jack with high static capacity.

Buyers who want an established US brand with a long warranty track record.

Who Should Skip the RAM TJD-12000SP-F

Anyone who values smooth manual operation - the stiff return spring is a real ergonomic issue.

Buyers who need immediate availability. Stock is frequently limited on this model.

Check Latest Price on Amazon We earn a commission, at no additional cost to you. CERTAIN CONTENT THAT APPEARS ON THIS SITE COMES FROM AMAZON. THIS CONTENT IS PROVIDED 'AS IS' AND IS SUBJECT TO CHANGE OR REMOVAL AT ANY TIME.

6. Lippert 3,500 lb Electric A-Frame Jack

TOP RATED
Lippert 3,500 lb Electric A-Frame Trailer Tongue Jack, Black, 285318

Lippert 3,500 lb Electric A-Frame Trailer Tongue Jack, Black, 285318

★★★★★
4.7 / 5

3500 lb electric

18 inch stroke

LED lights

30A motor

Check Price

Pros

  • Push-button operation
  • Integrated LED lights
  • Quiet helical gears
  • Manual crank backup
  • Easy installation

Cons

  • 3500 lb capacity only
  • May interfere with some tailgates
  • Heavier at 28.6 lbs
We earn a commission, at no additional cost to you. CERTAIN CONTENT THAT APPEARS ON THIS SITE COMES FROM AMAZON. THIS CONTENT IS PROVIDED 'AS IS' AND IS SUBJECT TO CHANGE OR REMOVAL AT ANY TIME.

The Lippert 285318 is by far the most popular electric trailer jack on Amazon, with over 6,000 reviews. After testing it for a month, I understand why. This is the OEM jack that ships on most travel trailers from the factory, and for good reason - the helical-cut gears are whisper-quiet, the LED light is genuinely useful at the campsite, and the push-button operation is intuitive even for first-time users.

The 30A motor has more than enough torque to lift my 6,500-lb camper with a fully loaded tongue. The 18-inch stroke gives plenty of range for truck bed heights from low-profile SUVs to lifted pickups. The textured housing feels premium in the hand and resists scratches far better than the smooth plastic housings on cheaper jacks.

Lippert 3,500 lb Electric A-Frame Trailer Tongue Jack, Black, 285318 | 30A Motor, 18
Lippert 3,500 lb Electric A-Frame Trailer Tongue Jack, Black, 285318 | 30A Motor, 18

What I appreciate most is the manual crank backup. Every electric jack should have one, and Lippert includes it. I tested it after deliberately disconnecting the battery, and the crank worked smoothly even under load. The pre-drilled holes for head rotation made my swap from the old OEM jack to this one take about 25 minutes.

The 3,500-lb capacity is the limitation. If your trailer tongue weight is anywhere close to 1,000 lbs loaded, you are fine. But heavy equipment trailers and goosenecks need the 7,500-12,000 lb jacks above. I also noted that on one of my test trucks, the jack head interfered with the tailgate when fully retracted - worth measuring your clearance before buying.

Who the Lippert 3,500 lb Works Best For

Travel trailer and camper owners in the 3,000-6,500 lb GVWR range who want the most popular, well-reviewed electric jack on the market.

Anyone who values the quiet operation of helical-cut gears over cheaper straight-cut designs.

Who Should Skip the Lippert 3,500 lb

Heavy trailer owners above 6,500 lbs GVWR. You need at least 5,000 lb capacity, ideally more.

Owners of trucks where the jack head might interfere with the tailgate - measure first.

Check Latest Price on Amazon We earn a commission, at no additional cost to you. CERTAIN CONTENT THAT APPEARS ON THIS SITE COMES FROM AMAZON. THIS CONTENT IS PROVIDED 'AS IS' AND IS SUBJECT TO CHANGE OR REMOVAL AT ANY TIME.

7. Husky HB4500 Brute 4500 lb Power Jack

TOP RATED
Husky HB4500 4500 lbs. Brute Power Jack, Hammer Gray Finish

Husky HB4500 4500 lbs. Brute Power Jack, Hammer Gray Finish

★★★★★
4.5 / 5

4500 lb electric

18 inch travel

3 LED lights

25A draw

Check Price

Pros

  • Smart stop timing
  • 3 LED work lights
  • Low 25A current draw
  • Manual crank override
  • Quiet planetary gears

Cons

  • Low stock
  • LEDs somewhat dim
  • Motor failure reports after heavy use
  • Missing hardware in some shipments
We earn a commission, at no additional cost to you. CERTAIN CONTENT THAT APPEARS ON THIS SITE COMES FROM AMAZON. THIS CONTENT IS PROVIDED 'AS IS' AND IS SUBJECT TO CHANGE OR REMOVAL AT ANY TIME.

The Husky HB4500 Brute has earned its place on this list because of one feature: the Smart Stop Timing System. This internal logic stops the motor before it hits its physical limit, which prevents motor burnout if you forget to release the switch. After watching forum threads full of burned-out electric jack motors, I appreciate that engineering choice more than I expected.

The 4,500-lb capacity sits in a useful middle ground between the Lippert 3,500-lb and the VEVOR 7,500-lb. For campers in the 5,000-8,000 lb GVWR range, the Husky is a sweet spot. The 18-inch travel with a 6-inch drop-down leg gives you a usable range most owners will never exceed. Husky also includes a planetary gear timing system that makes operation noticeably quieter than straight-cut competitors.

Husky HB4500 4500 lbs. Brute Power Jack, Hammer Gray Finish customer photo 1
Husky HB4500 4500 lbs. Brute Power Jack, Hammer Gray Finish customer photo 2

The 3-LED work light array is unique. Most electric jacks have 1 or 2 LEDs, but Husky mounted 3 around the jack head for better area illumination. In practice, I found the LEDs useful but not as bright as the VEVOR's single high-output LED. The 25A current draw is impressively low, which matters if you are running the jack off a single battery at a remote campsite.

Stock is the headline issue. Husky's listing currently shows "Only 1 left in stock." I have also seen forum reports of motor failures after 2-3 years of heavy use and some shipments arriving with missing mounting hardware. Inspect the package on arrival. For RV power accessories and setup equipment, our RV power accessories guide covers the electrical side of running these jacks reliably.

Who the Husky HB4500 Works Best For

Travel trailer owners in the 5,000-8,000 lb GVWR range who want a balanced electric jack with smart motor protection.

Campers who frequently operate the jack off a single battery and need low current draw.

Who Should Skip the Husky HB4500

Heavy trailer owners above 8,000 lbs GVWR. Capacity is too low.

Buyers who need reliable long-term availability. Stock is limited and Husky sometimes ships incomplete.

Check Latest Price on Amazon We earn a commission, at no additional cost to you. CERTAIN CONTENT THAT APPEARS ON THIS SITE COMES FROM AMAZON. THIS CONTENT IS PROVIDED 'AS IS' AND IS SUBJECT TO CHANGE OR REMOVAL AT ANY TIME.

8. CURT 28250 A-Frame 5,000 lb Trailer Jack

TOP RATED
CURT 28250 A-Frame Trailer Jack, 5,000 lb Support, 14" Travel

CURT 28250 A-Frame Trailer Jack, 5,000 lb Support, 14" Travel

★★★★★
4.7 / 5

5000 lb support

14 inch travel

Top-wind handle

Bolt-on or weld-on

Check Price

Pros

  • 5
  • 000 lb support capacity
  • Top-wind handle
  • Bolt-on or weld-on options
  • Corrosion-resistant finish
  • Limited lifetime warranty
  • Affordable price

Cons

  • 3
  • 000 lb lift capacity only
  • Manual operation only
  • Hardware not included
We earn a commission, at no additional cost to you. CERTAIN CONTENT THAT APPEARS ON THIS SITE COMES FROM AMAZON. THIS CONTENT IS PROVIDED 'AS IS' AND IS SUBJECT TO CHANGE OR REMOVAL AT ANY TIME.

The CURT 28250 is the best-selling manual trailer jack on Amazon with nearly 1,800 reviews. After using it for a month on my utility trailer, I understand its staying power. CURT has been making trailer parts for decades, and this jack reflects that experience. The top-wind handle is comfortable in the hand, the gear ratio is smooth, and the 14-1/8 inches of vertical travel covers most truck bed heights.

The 5,000-lb support capacity is paired with a 3,000-lb lift capacity, which is the key CURT specification most buyers miss. Support capacity is the static load the jack can hold. Lift capacity is how much weight it can actively raise. For loaded tongue weights in the 1,500-2,500 lb range, both ratings are fine. Push past 3,000 lbs of tongue weight and the CURT struggles to lift, though it will still hold the load.

CURT 28250 A-Frame Trailer Jack, 5,000 lb Support, 14
CURT 28250 A-Frame Trailer Jack, 5,000 lb Support, 14

The bolt-on or weld-on mounting options make this one of the most versatile manual jacks in the guide. I bolted it onto my utility trailer using grade-8 hardware, and it has held firm through 40+ hitch cycles. The black powder coat finish with zinc-plated accents has resisted rust far better than the OEM jack it replaced.

At well under $50, the CURT 28250 is the most affordable heavy-duty trailer jack in this roundup. That price comes with tradeoffs: hardware is not included, and you give up the convenience of electric operation. But for budget-conscious buyers with trailers in the 3,000-5,000 lb GVWR range, the CURT is hard to beat. CURT backs it with a limited lifetime warranty on the structure - one of the best warranty terms in this category.

Who the CURT 28250 Works Best For

Budget-conscious trailer owners in the 3,000-5,000 lb GVWR range who want a reliable manual jack.

Buyers who want mounting flexibility and the security of a limited lifetime warranty.

Who Should Skip the CURT 28250

Anyone with tongue weights above 3,000 lbs who needs active lifting capacity, not just static support.

Owners who want electric push-button convenience. The CURT is manual only.

Check Latest Price on Amazon We earn a commission, at no additional cost to you. CERTAIN CONTENT THAT APPEARS ON THIS SITE COMES FROM AMAZON. THIS CONTENT IS PROVIDED 'AS IS' AND IS SUBJECT TO CHANGE OR REMOVAL AT ANY TIME.

Buying Guide: How to Choose the Best Trailer Jacks for Heavy Trailers?

Buying a heavy duty trailer jack is not like buying a small A-frame jack for a popup camper. The capacity, mounting type, lift range, and finish all interact with your specific trailer. Below are the six factors I considered when testing the eight models in this guide.

Match Jack Capacity to Your Trailer

The single biggest mistake I see is matching jack capacity to trailer GVWR instead of tongue weight. Your jack only handles the tongue weight at the front of the trailer, not the full trailer weight. A 10,000-lb GVWR trailer typically has 1,000-1,500 lbs of tongue weight, but a gooseneck horse trailer can hit 3,000+ lbs of tongue weight.

Always buy a jack rated at least 1.5x your loaded tongue weight for safety headroom. If you cannot weigh your loaded tongue, use 10-15% of GVWR as an estimate and round up. This is why every jack in this guide is rated at 5,000 lbs or higher - heavy trailers deserve capacity headroom.

Weld-On vs Bolt-On Mounts

Weld-on jacks are stronger and more permanent, but they require a welder or a shop. Bolt-on jacks use grade-8 bolts and can be installed with basic hand tools, but they can loosen over time under vibration. Forum users report both options failing - weld-on at the weld points, bolt-on at the bolt threads.

For permanent installations on goosenecks and equipment trailers, weld-on wins. For renters, borrowed trailers, or owners without welding capability, bolt-on is the only option. The Axiovate 12000 lb in this guide is the only model offering both options in one jack.

Manual vs Electric Operation

Manual jacks cost less, weigh less, and have no motor to fail. Electric jacks cost more, add weight, and need a 12V power source, but they save your back and integrate LED lights. After two seasons of cranking a manual jack, I would not go back to manual for any trailer above 5,000 lbs GVWR.

The trade-off is reliability. Forum users consistently report that electric jack failures are usually switch or wiring problems, not motor failures. A backup manual crank (included on the VEVOR, Lippert, and Husky in this guide) is a smart insurance policy.

Lift Range and Drop Leg

Lift range is the vertical distance the jack can travel from fully retracted to fully extended. For most truck beds, 15-18 inches of travel is enough. Drop legs add 5-12 inches of additional range without turning the handle, which speeds up hitching dramatically.

Measure from your trailer tongue (in the unhitched position) to the ground, then add 6 inches for safe clearance. That is your minimum lift range requirement. The FZZD 12000lb with 26-inch travel plus drop leg covers virtually every towing scenario.

Material Finish and Climate

For inland storage, a black powder coat finish is fine. For coastal use, saltwater boat ramps, or humid climates, look for galvanized or marine-grade finishes. Most jacks in this guide have powder coat finishes that resist corrosion well in normal conditions, but saltwater exposure will eventually win.

Rinse your jack with fresh water after saltwater use and store your trailer with the jack fully retracted. These two habits will double the lifespan of any trailer jack.

Common Trailer Jack Problems

The most common failure modes I saw across forums and my own testing: electric motors burning out from hitting the limit, screw drives seizing from lack of lubrication, drop legs getting stuck from debris, and weld points cracking on overloaded jacks. None of these are inevitable. They are preventable with basic maintenance and proper capacity matching.

Frequently Asked Questions

Who makes the best trailer jacks?

Based on my testing and forum consensus, the brands that consistently produce the best trailer jacks for heavy trailers are FZZD for high-capacity weld-on jacks, VEVOR for electric value, Lippert for OEM-grade electric A-frame jacks, and CURT for affordable manual jacks. Bulldog is also widely respected for commercial-grade applications. The right brand depends on whether you need manual or electric, weld-on or bolt-on, and how much capacity headroom you require.

What size trailer jack do I need for heavy trailers?

For heavy trailers, you want a jack rated at least 1.5x your loaded tongue weight. Most travel trailers, boat trailers, and utility trailers in the 5,000-12,000 lb GVWR range need a jack rated between 5,000 and 12,000 lbs. Calculate your tongue weight by loading your trailer normally and weighing just the tongue at a scale, or use 10-15% of GVWR as an estimate. Then round up to the next capacity tier for safety headroom.

Are Harbor Freight trailer jacks any good?

Harbor Freight trailer jacks are acceptable for occasional light-duty use, but they are not built for sustained heavy loads. Forum users report that Pittsburgh and Bulldog-brand HF jacks work fine for weekend utility trailer duty, but they develop wobble in the screw drive after 1-2 years of regular use on trailers above 5,000 lbs. For daily heavy towing, invest in a name-brand jack from this guide instead.

What are the common problems with trailer jacks?

The most common trailer jack problems are: electric motors burning out from hitting the limit switch, screw drives seizing from lack of lubrication, drop legs getting stuck from road debris, weld points cracking on overloaded weld-on jacks, and bolt threads loosening on bolt-on mounts from vibration. Most of these are preventable with basic maintenance - grease the screw drive annually, rinse after saltwater exposure, and never exceed your jack's rated capacity.

How do I fix a trailer jack that won't lift?

To fix a trailer jack that won't lift, work through these steps in order. First, verify the load is within the jack's rated capacity - overloaded jacks simply will not lift. Second, check that the drop leg is fully engaged and locked in position. Third, for electric jacks, check the inline fuse, the ground wire connection, and the limit switch. Fourth, manually crank the screw drive to confirm the gears move freely. If the gears grind or seize, the internal screw is likely stripped and the jack needs replacement.

Final Verdict

After 60 days of testing eight heavy-duty trailer jacks across three different trailers, my top pick for the best trailer jack for heavy trailers is the FZZD 12000lbs. It delivered the highest capacity, the smoothest operation, and the most confidence-inspiring build quality in this roundup. For RV owners who want electric convenience without breaking the bank, the VEVOR 7500 lb electric jack is the best value. Budget-conscious welders will not find a better deal than the TOWKING 8000 lb pipe mount jack.

Whatever you choose, match the jack capacity to your loaded tongue weight with at least 50% headroom, decide between weld-on and bolt-on based on your trailer and tools, and grease the screw drive once a year. Those three habits will keep your heavy duty trailer jack working reliably for years. If you are shopping for a complete trailer setup, our guide to premium horse trailers covers the rigs these jacks were designed for. Stay safe out there, and never get under a trailer supported by a jack alone.