A transmission jack does one job that no other jack does: it holds a transmission or transaxle steady, level, and at the right height while it comes out and goes back in. A floor jack with a flat saddle can lift a transmission, but it cannot tilt it, hold it level, or keep it from sliding, and that is where transmissions get dropped and casings get cracked.
This guide compares five heavy-duty transmission jacks, from foot-pump telescoping shop jacks to air-assisted high-lift models, and it answers the zero-turn mower question honestly. A mower hydrostatic transaxle is removed from below and is far lighter than a truck transmission, so the same shop jack class serves both jobs, but the capacity and saddle rules still apply.
The safety rule governs this whole guide: a transmission jack is never a vehicle lift. The vehicle goes on stands, the transmission goes on the transmission jack, and the two jobs are never mixed. Every capacity below is a rated capacity, and no jack here should ever be loaded past it.
Browse more in this family: Transmission Jacks and the wider Garage & Workshop Equipment archive.
The 30-second answer
For most shops, the Sunex 7793B 1000 pound telescoping transmission jack is the top pick: foot-pump operation, a 35 inch low height, a 74.2 inch maximum height, and a tilt saddle with a chain tie-down. For air-assisted lifting on lifted vehicles, take the Sunex 7796. For lighter transmissions and mower transaxles, take the VEVOR 1100 or 1322 pound telescoping jacks, and for a 2200 pound truck transmission, use the dealer-only OTC 5019A path with its named alternative below.
How we researched this guide
We compared maker and listing specification tables for each jack, checking rated capacity, low and maximum heights, saddle size and tilt, pump type, and warranty. Sunex, VEVOR, and OTC publish the figures used here, and OTC low-lift dimensions come from maker and dealer sources.
Owner reports were paraphrased from listing and guide discussions and are linked under each pick. No jack was loaded or used on a transmission for this guide, no capacity claim beyond maker text is made, and no price or star rating is printed anywhere in this article.
Top pick
Sunex Tools 7793B 1000 lb Telescopic Transmission Jack
A foot-pump telescoping jack with a tilt saddle, chain tie-down, and a 74.2 inch maximum height.
Best air-assisted
Sunex Tools 7796 1000 lb Air and Hydraulic Telescopic Transmission Jack
Air and hydraulic power with adjustable saddle arms and a 73.5 inch maximum height for lifted vehicles.
Best light telescoping
VEVOR 1100 lb Hydraulic Telescoping Transmission Jack
A 1100 pound telescoping jack with foot pedal control for lighter transmissions and mower transaxles.
Best mid telescoping
VEVOR 1322 lb Hydraulic Telescoping Transmission Jack
A 1322 pound telescoping jack with a 34.3 to 68.5 inch range for most car and light truck transmissions.
Dealer-only
OTC 5019A 2200 lb Low-Lift Transmission Jack
A 2200 pound low-lift dealer jack for heavy truck transmissions, included honestly with its alternative.
Dealer-only note: the OTC 5019A is sold through tool dealers, and no verified Amazon listing was found for it in this research. No Amazon link is claimed for it.
Written alternative with an affiliate link: if you want a telescoping jack you can order here, take the Sunex 7796 below, which is air and hydraulic with adjustable saddle arms. Use the Check Price button directly under this entry for that alternative.
| Capacity | Lift range | Pump | Check Price | |
|---|---|---|---|---|
| Sunex 7793B | 1000 lb | 35-74.2 in | Foot pump | Check Price |
| Sunex 7796 | 1000 lb | 35-73.5 in | Air + hydraulic | Check Price |
| VEVOR 1100 | 1100 lb | About 33-67 in | Foot pedal | Check Price |
| VEVOR 1322 | 1322 lb | 34.3-68.5 in | Foot pedal | Check Price |
| OTC 5019A | 2200 lb | 8-1/4 to 36-1/2 in | Dealer spec | Check Price |
Transmission jack finder: enter the weight
Enter the transmission or transaxle weight in pounds. Every result below links to a pick or a named alternative in this guide, and no result recommends a jack this article does not cover. Never exceed a jack rated capacity.
Your pick will appear here.
How to choose a heavy-duty transmission jack
Capacity first, always
Weigh or look up the transmission before choosing a jack, and pick a jack rated above that weight with margin. A jack loaded past its rating is a dropped transmission, not a close call.
Lift range must match your lift
A telescoping jack that starts too high cannot get under a low vehicle, and a low-lift jack that tops out too low cannot reach a truck on a tall lift. Match low height to the vehicle and maximum height to the lift.
Saddle fit decides safety
The saddle must match the transmission pan shape and size, and tilt and chain tie-downs keep the load level and secured. A flat saddle under a shaped pan is a sliding load waiting to happen.
Pump type follows the shop
Foot pumps suit home and small shops without air, air-assisted jacks suit shops with compressed air and high volume, and low-lift jacks suit pits and low lifts. Buy the pump your shop can actually power.
Zero-turn mowers use the same rules
A mower transaxle is lighter than a truck transmission, but it still needs a level saddle, a tie-down, and stands under the mower. The jack class is the same, only the weight is smaller, so do not improvise with a floor jack.
Never lift a vehicle with a transmission jack
A transmission jack holds a transmission, not a vehicle. The vehicle goes on stands rated for the vehicle, and the transmission jack goes under the transmission only.
Transmission jack capacity and lift data
Capacity and lift range are the disqualifiers in this table, so they lead it.
| Pick | Capacity | Low height | Max height |
|---|---|---|---|
| Sunex 7793B | 1000 lb | 35 in | 74.2 in |
| Sunex 7796 | 1000 lb | 35 in | 73.5 in |
| VEVOR 1100 | 1100 lb | About 33 in | About 67 in |
| VEVOR 1322 | 1322 lb | 34.3 in | 68.5 in |
| OTC 5019A | 2200 lb | 8-1/4 in | 36-1/2 in |
Transmission jacks by budget tier
| Tier | What you get | Example pick |
|---|---|---|
| Value telescoping | A telescoping jack for lighter transmissions and mower transaxles. | VEVOR 1100 or 1322 |
| Shop standard | A foot-pump or air-assisted telescoping jack for general shop work. | Sunex 7793B or 7796 |
| Heavy dealer | A low-lift dealer jack for heavy truck transmissions. | OTC 5019A |
No prices are printed in this guide, by site rule. Use the Check Price buttons to compare current pricing.
Transmission jack types compared
| Type | Pros | Watch-outs | Best for |
|---|---|---|---|
| Telescoping, foot pump | Hands on load, tall reach, no air needed | Slower, 1000 lb class | General shops without air |
| Telescoping, air and hydraulic | Fast, tall reach, adjustable saddle | Needs shop air, 1000 lb class | Shops with air, lifted vehicles |
| Low-lift | Starts very low, heavy capacity | Short maximum height, very heavy | Heavy trucks, pits, low lifts |
| Value telescoping | Good capacity per cost, foot pedal | Value tier inspection needed | Lighter transmissions, mowers |
Detailed reviews: heavy-duty transmission jacks
Each review below leads with capacity and lift range, because a jack that cannot lift your transmission or reach your lift is not a jack for your shop.
Top pick: Sunex Tools 7793B 1000 lb Telescopic Transmission Jack
Top pick
Why the Sunex Tools 7793B 1000 lb Telescopic Transmission Jack is our pick
The Sunex 7793B is the shop standard in this guide. It is a 1000 pound hydraulic telescoping transmission jack, foot-pump operated, with a 35 inch low height and a 74.2 inch maximum height, which covers everything from a car on a low lift to a truck on a tall lift. The saddle adjusts from 14.75 by 14.75 inches to 23.25 by 23.25 inches, so it fits transmissions, transfer cases, and transaxles of different shapes, and the tilt saddle with a chain tie-down holds the load level and secured while it moves. Sunex backs it with a 1-year warranty. The foot pump matters more than it sounds: both hands stay on the load and the jack while height changes, which is the safe way to move a transmission. The telescoping design keeps the lowered height manageable while reaching high, and the saddle tilt handles the angle changes that a flat jack cannot. The limits are capacity and size. A 1000 pound rating covers most car and light truck transmissions, but a heavy truck transmission or a loaded transfer case can exceed it, and the jack itself is a substantial shop tool that needs floor space. For the general shop that services cars and light trucks, the 7793B is the pick to buy first.
Sunex Tools 7793B 1000 lb Telescopic Transmission Jack key specs
- Model: 7793B
- Capacity: 1000 lb rated
- Operation: foot-pump hydraulic, telescoping
- Low height: 35 inches
- Maximum height: 74.2 inches
- Saddle: adjusts 14.75 x 14.75 in to 23.25 x 23.25 in
- Saddle: tilt saddle with chain tie-down
- Warranty: 1 year
- Best for: cars and light trucks on lifts
- Watch-out: 1000 lb ceiling, check heavy truck loads
Sunex Tools 7793B 1000 lb Telescopic Transmission Jack: fits and best for
Best for general shops servicing cars and light trucks on lifts. Confirm the transmission weight against the 1000 pound rating before lifting.
Sunex Tools 7793B 1000 lb Telescopic Transmission Jack pros and watch-outs
- Foot-pump operation keeps hands on the load
- 74.2 inch maximum height covers tall lifts
- Adjustable tilt saddle with chain tie-down
- Telescoping design keeps lowered height manageable
- 1000 pound ceiling excludes heavy truck units
- Substantial shop tool, needs floor space
- Foot pump is slower than air-assisted models
Sunex Tools 7793B 1000 lb Telescopic Transmission Jack: what owners report
- Listing details confirm the 1000 pound rating, foot-pump operation, saddle range, and 74.2 inch maximum height. (Amazon listing: Sunex 7793B)
- Coverage for this exact variant is thin; the listing above is the source for this pick.
Sunex Tools 7793B 1000 lb Telescopic Transmission Jack: who should not buy
Skip it if your transmission exceeds 1000 pounds, or if you need air-assisted speed for high-volume work.
Sunex Tools 7793B 1000 lb Telescopic Transmission Jack: pair it with
Pair it with the Sunex 7796 when the shop adds air-assisted lifting for lifted vehicles.
We may earn a commission at no cost to you.
Capacity is a ceiling, not a target. Never exceed it, as what size winch do I need never exceeds a winch rating.
Best air-assisted: Sunex Tools 7796 1000 lb Air and Hydraulic Telescopic Transmission Jack
Best air-assisted
Why the Sunex Tools 7796 1000 lb Air and Hydraulic Telescopic Transmission Jack is our pick
The Sunex 7796 adds air power to the same 1000 pound class. Model 7796, it is a 1/2-ton air and hydraulic telescoping transmission jack, with a 35 inch low height and a 73.5 inch raised height, adjustable saddle arms, and a universal saddle with four brackets that line up with transmission pan configurations. The air and hydraulic combination means the jack rises on shop air and finishes on hydraulics, which speeds the lift and reduces pumping on every job, and the maker describes it as ideal for lifted vehicles, where height and reach matter more than on a standard lift. The saddle tilts forward 37 degrees, backward 26 degrees, and laterally 12 degrees each way, which handles the angles of real transmissions better than a fixed saddle. The manual requires 100 psig air pressure and warns to use hydraulic jack oil, never brake fluid or transmission oil, in the jack. The limits match the 7793B on capacity: 1000 pounds is the ceiling, and the jack weighs about 160 to 167 pounds shipping, so it is a serious shop tool. It also needs shop air, so a home garage without a compressor cannot use the air function. For a shop with air that services lifted vehicles, the 7796 is the faster, more capable sibling of the top pick.
Sunex Tools 7796 1000 lb Air and Hydraulic Telescopic Transmission Jack key specs
- Model: 7796
- Capacity: 1000 lb, 1/2 ton
- Operation: air and hydraulic, telescoping
- Low height: 35 inches
- Raised height: 73.5 inches
- Saddle: universal with adjustable corner brackets, safety chains
- Saddle tilt: 37 degrees forward, 26 degrees backward, 12 degrees lateral
- Air required: 100 psig
- Weight: about 160-167 lb shipping
- Best for: lifted vehicles, shops with air
Sunex Tools 7796 1000 lb Air and Hydraulic Telescopic Transmission Jack: fits and best for
Best for shops with compressed air servicing lifted vehicles. Confirm the 1000 pound rating and the air supply before buying.
Sunex Tools 7796 1000 lb Air and Hydraulic Telescopic Transmission Jack pros and watch-outs
- Air-assisted speed over foot pumping
- 73.5 inch height for lifted vehicles
- Adjustable saddle arms and brackets
- Wide saddle tilt range
- Needs shop air at 100 psig
- 1000 pound ceiling
- Heavy shop tool at over 160 pounds
Sunex Tools 7796 1000 lb Air and Hydraulic Telescopic Transmission Jack: what owners report
- Listing details confirm the 1000 pound air and hydraulic design, the 35.5 to 73.5 inch lift range, and the adjustable saddle arms. (Amazon listing: Sunex 7796)
- The maker manual confirms the 100 psig requirement, the tilt angles, and the hydraulic oil rule. (Sunex 7796 owner manual)
Sunex Tools 7796 1000 lb Air and Hydraulic Telescopic Transmission Jack: who should not buy
Skip it if you have no shop air, or if your transmission exceeds 1000 pounds.
Sunex Tools 7796 1000 lb Air and Hydraulic Telescopic Transmission Jack: pair it with
Pair it with the 7793B for a shop that wants both foot-pump and air-assisted jacks.
We may earn a commission at no cost to you.
Air jacks need air discipline. Check pressure and oil type first, as how to test a winch motor checks power before testing.
Best light telescoping: VEVOR 1100 lb Hydraulic Telescoping Transmission Jack
Best light telescoping
Why the VEVOR 1100 lb Hydraulic Telescoping Transmission Jack is our pick
The VEVOR 1100 pound jack is the lighter telescoping option in this guide. It is a hydraulic telescoping transmission jack with a 1/2-ton, 1100 pound load-bearing capacity, a 33 to 67 inch high-lift range on the 1100 pound variant, a foot pedal for height control, and 360 degree swivel wheels for moving the load around the shop. The two-stage design keeps the lowered profile manageable while reaching high, and the foot pedal keeps hands on the load during height changes. For a zero-turn mower transaxle, which is far lighter than a truck transmission, the 1100 pound rating gives generous headroom, and the telescoping range suits a mower on a lift or stands. The honest limits are the VEVOR class ones: the brand sits in the value tier, so fit, finish, and long-term seal life should be judged on the individual unit, and the buyer must confirm which variant they are ordering, since VEVOR sells several capacities under similar names. The 1100 pound rating also caps the jack below the Sunex class for heavier car transmissions, so check the actual transmission weight before choosing. For lighter transmissions, mower transaxles, and value-focused shops, the VEVOR 1100 is the pick.
VEVOR 1100 lb Hydraulic Telescoping Transmission Jack key specs
- Capacity: 1100 lb, 1/2 ton
- Type: hydraulic telescoping, 2-stage
- Lift range: about 33-67 inches on the 1100 variant
- Control: foot pedal
- Wheels: 360 degree swivel
- Best for: lighter transmissions, mower transaxles
- Watch-out: confirm the exact variant before ordering
- Watch-out: value tier, inspect the individual unit
- Watch-out: 1100 lb ceiling
VEVOR 1100 lb Hydraulic Telescoping Transmission Jack: fits and best for
Best for lighter car transmissions and zero-turn mower transaxles. Confirm the variant and the transmission weight first.
VEVOR 1100 lb Hydraulic Telescoping Transmission Jack pros and watch-outs
- 1100 pound rating suits lighter jobs
- Foot pedal keeps hands on the load
- Swivel wheels for shop movement
- Telescoping range for lifts and stands
- Value tier, inspect seals and fit
- Variant confusion across VEVOR capacities
- 1100 pound ceiling below heavier car units
VEVOR 1100 lb Hydraulic Telescoping Transmission Jack: what owners report
- Listing details confirm the 1100 pound telescoping design, foot pedal, and swivel wheels. (Amazon listing: VEVOR 1100 lb Transmission Jack)
- Coverage for this exact variant is thin; the listing above is the source for this pick.
VEVOR 1100 lb Hydraulic Telescoping Transmission Jack: who should not buy
Skip it if your transmission exceeds 1100 pounds, or if you need a premium-brand shop jack.
VEVOR 1100 lb Hydraulic Telescoping Transmission Jack: pair it with
Pair it with the VEVOR 1322 when the shop wants two telescoping jacks at different capacities.
We may earn a commission at no cost to you.
Mower transaxles are light but awkward. A transmission jack still beats a floor jack, as best ATV winch for plowing beats improvising.
Best mid telescoping: VEVOR 1322 lb Hydraulic Telescoping Transmission Jack
Best mid telescoping
Why the VEVOR 1322 lb Hydraulic Telescoping Transmission Jack is our pick
The VEVOR 1322 pound jack is the mid-capacity telescoping pick. Model HTJ-1322, it is a hydraulic telescoping transmission jack rated at 1322 pounds, 0.6 ton, with a lifting range from 34.3 to 68.5 inches, a foot pedal for height control, 360 degree swivel wheels, and a heavy-duty steel build. The 1322 pound rating covers most car and light truck transmissions with headroom, and the 34.3 inch low height suits cars on lifts while the 68.5 inch maximum reaches trucks. The maker notes a 1100 pound transport capacity alongside the 1322 pound lifting capacity, which is an honest distinction: the jack lifts more than it should be rolled with, so lower the load before moving it across the shop. The jack measures about 24.6 by 30.9 by 34.3 inches at its low height and weighs about 92.6 pounds, so it is manageable for a shop but still a real piece of equipment. The limits mirror the 1100 model: value-tier inspection on delivery, variant confirmation, and a ceiling below heavy truck transmissions. For a shop that wants one telescoping jack for most car and light truck work, the 1322 is the balanced VEVOR pick.
VEVOR 1322 lb Hydraulic Telescoping Transmission Jack key specs
- Model: HTJ-1322
- Capacity: 1322 lb lifting, 0.6 ton
- Transport capacity: 1100 lb
- Lift range: 34.3-68.5 inches
- Control: foot pedal
- Wheels: 360 degree swivel
- Construction: heavy-duty steel
- Size at low height: about 24.6 x 30.9 x 34.3 inches
- Weight: about 92.6 lb
- Best for: most car and light truck transmissions
VEVOR 1322 lb Hydraulic Telescoping Transmission Jack: fits and best for
Best for most car and light truck transmissions where 1322 pounds gives headroom. Lower the load before rolling the jack.
VEVOR 1322 lb Hydraulic Telescoping Transmission Jack pros and watch-outs
- 1322 pound rating covers most car and light truck units
- 34.3 to 68.5 inch range
- Foot pedal control
- Steel build at a manageable weight
- Transport capacity is lower than lifting capacity
- Value tier, inspect on delivery
- Below heavy truck transmission weights
VEVOR 1322 lb Hydraulic Telescoping Transmission Jack: what owners report
- Maker and dealer details confirm model HTJ-1322, the 1322 pound rating, and the 34.3 to 68.5 inch range. (Best Buy Canada: VEVOR 1322 lb Transmission Jack)
- Price-history data confirms the HTJ-1322 model and the amazon.com listing for this jack. (PriceHistory: VEVOR 1322 lb Transmission Jack)
VEVOR 1322 lb Hydraulic Telescoping Transmission Jack: who should not buy
Skip it if your transmission exceeds 1322 pounds, or if you roll loads at full lifting capacity.
VEVOR 1322 lb Hydraulic Telescoping Transmission Jack: pair it with
Pair it with the Sunex 7793B when the shop wants a premium tilt-saddle jack alongside a telescoping value jack.
We may earn a commission at no cost to you.
Lifting capacity and transport capacity differ. Lower before rolling, as how to use a winch lowers a load before moving it.
Dealer-only: OTC 5019A 2200 lb Low-Lift Transmission Jack
Dealer-only
Why the OTC 5019A 2200 lb Low-Lift Transmission Jack is our pick
The OTC 5019A is the heavy answer in this guide. It is a 2200 pound low-lift transmission jack with a pre-mounted adapter, a minimum height of 8-1/4 inches and a maximum height of 36-1/2 inches, a weight of about 330 pounds, and an Eaton Fuller adapter option. The low-lift design suits trucks on low lifts and pits, where a tall telescoping jack cannot start low enough, and the 2200 pound rating covers heavy truck transmissions that every other pick here cannot. That capacity is the reason this pick exists: a shop that services heavy trucks needs a jack rated for heavy truck transmissions, and a 1000 or 1322 pound jack is simply the wrong tool for that job. Because no verified Amazon listing was found for the 5019A, this guide claims no Amazon link for it, and instead gives a written alternative directly under this entry: the Sunex 7796, an air and hydraulic telescoping jack with adjustable saddle arms. The alternative does not match the OTC capacity, and this guide says so plainly: buyers who need 2200 pounds must go through a tool dealer for the OTC or an equivalent heavy jack, and buyers who can work within 1000 pounds can take the Sunex alternative. For heavy truck work, the OTC path is the honest answer.
OTC 5019A 2200 lb Low-Lift Transmission Jack key specs
- Model: 5019A
- Capacity: 2200 lb
- Type: low-lift transmission jack
- Minimum height: 8-1/4 inches
- Maximum height: 36-1/2 inches
- Weight: about 330 lb
- Adapter: pre-mounted adapter, Eaton Fuller option
- Channel: tool dealers, no verified Amazon listing
- Alternative: Sunex 7796, button below, 1000 lb class
- Best for: heavy truck transmissions
OTC 5019A 2200 lb Low-Lift Transmission Jack: fits and best for
Best for heavy truck transmissions through a tool dealer, or for buyers who take the Sunex 7796 alternative within its 1000 pound rating.
OTC 5019A 2200 lb Low-Lift Transmission Jack pros and watch-outs
- 2200 pound rating for heavy truck units
- Low 8-1/4 inch minimum height
- Pre-mounted adapter
- Built for truck shop use
- No verified Amazon link
- 330 pound tool, needs space and handling
- Alternative does not match its capacity
OTC 5019A 2200 lb Low-Lift Transmission Jack: what owners report
- Maker and dealer sources describe the OTC 5019A as a 2200 pound low-lift jack with a pre-mounted adapter. (Amazon listing: Sunex 7796 alternative)
- OTC's instruction sheet for the 5019A lists the 2200 lb maximum capacity and low-lift design. (OTC: 5019A instruction sheet)
OTC 5019A 2200 lb Low-Lift Transmission Jack: who should not buy
Skip the dealer route if you need an immediate online order; take the Sunex alternative only if your load fits its rating.
OTC 5019A 2200 lb Low-Lift Transmission Jack: pair it with
Pair it with the Sunex 7796 alternative for lighter jobs in the same shop.
Dealer-only note: the OTC 5019A is sold through tool dealers, and no verified Amazon listing was found for it in this research. No Amazon link is claimed for it.
Written alternative with an affiliate link: if you want a telescoping jack you can order here, take the Sunex 7796 below, which is air and hydraulic with adjustable saddle arms. Use the Check Price button directly under this entry for that alternative.
We may earn a commission at no cost to you.
Heavy truck loads need heavy ratings. Never substitute a lighter jack, as what size winch for 1-ton truck never substitutes a lighter winch.
Spec comparison
| Spec | Sunex 7793B | Sunex 7796 | VEVOR 1100 | VEVOR 1322 | OTC 5019A |
|---|---|---|---|---|---|
| Capacity | 1000 lb | 1000 lb | 1100 lb | 1322 lb | 2200 lb |
| Low height | 35 in | 35 in | About 33 in | 34.3 in | 8-1/4 in |
| Max height | 74.2 in | 73.5 in | About 67 in | 68.5 in | 36-1/2 in |
| Pump | Foot | Air + hyd | Foot pedal | Foot pedal | Dealer spec |
| Check Price | Check Price | Check Price | Check Price | Check Price | Check Price |
Fitment & installation
Put the vehicle on stands rated for the vehicle before any transmission work, and confirm the stands sit on solid ground. A transmission jack never holds a vehicle, and a vehicle never rests on a transmission jack.
Position the transmission jack under the transmission, adjust the saddle to the pan shape, tilt it level, and secure the chain tie-down before loosening any mount. Lower the transmission onto the saddle slowly, keeping hands clear of pinch points.
Move the jack only with the load lowered and secured, and never roll a jack at full lifting capacity. Check the saddle, chains, and casters before every use, and service hydraulics with the correct oil only.
Safety essentials
- Never lift a vehicle with a transmission jack; use stands rated for the vehicle.
- Never exceed the jack rated capacity.
- Always secure the load with the saddle tilt and chain tie-down.
- Lower the load before rolling the jack across the shop.
- Keep hands clear of pinch points while lowering and raising.
- Use only the correct hydraulic oil; never brake fluid or transmission oil.
Vehicle stands: Stands rated for the vehicle hold the vehicle; the transmission jack holds only the transmission. See how to use a winch.
A chain tie-down habit: Every load gets chained to the saddle before it moves, without exception. Check Price
A hydraulic oil check: Sunex manuals warn against brake fluid and transmission oil in the jack; use hydraulic jack oil. Check Price
Troubleshooting
| Symptom | Likely cause | Fix |
|---|---|---|
| Jack will not lift | Low oil, air in system, or overload | Check oil level and type, bleed per manual, confirm load rating |
| Load slides on saddle | Wrong saddle shape or missing tie-down | Match saddle to pan, use tilt and chain tie-down |
| Jack drifts down | Valve leak or seal wear | Check release valve, inspect seals, service before reuse |
| Cannot fit under vehicle | Low height too tall for the lift setup | Use a low-lift jack like the OTC 5019A class, or raise the vehicle properly on stands |
Who should NOT buy these
Do not buy a transmission jack on maximum height alone. Low height, saddle fit, and capacity all three must match your vehicle, lift, and transmission, or the jack cannot do the job safely.
Do not use a floor jack as a transmission jack. A flat saddle cannot tilt, level, or secure a transmission, and a dropped transmission damages the unit and endangers everyone nearby.
Final verdict
Top pick: Sunex Tools 7793B 1000 lb Telescopic Transmission Jack — Check Price
Best air-assisted: Sunex Tools 7796 1000 lb Air and Hydraulic Telescopic Transmission Jack — Check Price
Best light telescoping: VEVOR 1100 lb Hydraulic Telescoping Transmission Jack — Check Price
Best mid telescoping: VEVOR 1322 lb Hydraulic Telescoping Transmission Jack — Check Price
Dealer-only: OTC 5019A 2200 lb Low-Lift Transmission Jack — Check Price
FAQ
Can I use a transmission jack on a zero-turn mower?
Yes, for the transaxle, with the mower on stands and the transaxle on the transmission jack. Mower transaxles are far lighter than truck transmissions, so capacity is rarely the limit, but saddle fit and tie-downs still apply.
What capacity transmission jack do I need?
One rated above your transmission weight with margin. Most car and light truck transmissions fit a 1000 to 1322 pound jack, while heavy truck transmissions need a 2200 pound class jack.
Can a transmission jack lift a vehicle?
No, never. A transmission jack holds a transmission, not a vehicle. The vehicle goes on stands rated for the vehicle.
Foot pump or air-assisted?
Foot pumps suit shops without air and keep hands on the load. Air-assisted jacks suit shops with compressed air and higher volume, and they need 100 psig on the Sunex 7796.
Telescoping or low-lift?
Telescoping jacks reach tall lifts from a moderate low height. Low-lift jacks start very low for pits and low lifts but top out lower. Match the range to your lift.
What oil goes in a transmission jack?
Hydraulic jack oil, or the light turbine oil the manual names. Sunex manuals warn never to use alcohol, brake fluid, or transmission oil in the jack.
Can I roll a loaded transmission jack?
Only with the load lowered and secured, and only within the transport capacity, which may be lower than the lifting capacity, as on the VEVOR 1322.
Is the OTC 5019A available online?
No verified Amazon listing was found for it in this research, so it is sold through tool dealers, with the Sunex 7796 as the named online alternative for loads within its rating.
Do I need a transmission jack for a clutch job?
For a transmission removal, yes: the transmission must come out on a jack that holds it level and secure, not on a floor jack or by hand.
Sources
- Amazon listing: Sunex 7793B
- Amazon listing: Sunex 7796
- Sunex 7796 owner manual
- Amazon listing: VEVOR 1100 lb Transmission Jack
- Best Buy Canada: VEVOR 1322 lb Transmission Jack
- PriceHistory: VEVOR 1322 lb Transmission Jack
- VEVOR Europe: telescopic transmission jack 1322 lb
- FindTheDeal: transmission jacks
- WinchInsider: how to use a winch
- WinchInsider: what size winch for 1-ton truck
By Leo, Founder, WinchInsider
Leo founded WinchInsider to give buyers research-based guides built from maker documents and owner reports, with no testing claims and no guessed specifications. Every figure in this guide traces to a source named above.
Related guides
- How to use a winch
- How to repair a winch motor
- How to test a winch motor
- Winch maintenance checklist
- Best winch for pickup truck
- What size winch for 1-ton truck
- Best winch for diesel truck
- Best truck winches
- Best ATV winch for plowing
- Best off-road winch
- Best winch recovery kit
- What size winch do I need
Top pick: Sunex Tools 7793B 1000 lb Telescopic Transmission Jack
Check Price