A transmission jack looks simple until you are under a vehicle with a gearbox on your chest. Three numbers decide whether the job goes smoothly: how much the jack carries, how far it lifts, and how high it sits when fully collapsed. The Zhida range splits cleanly into two families, and picking the right family matters more than picking the right model.
The ZD02 series is built for working at height - on a two-post lift, over a pit, or under a truck. These start at 850-1290 mm collapsed and reach 1750-1900 mm, so they meet the gearbox where it already is.
The ZD03 series is the conventional floor type. It starts low (160-220 mm) and tops out at 650-820 mm, which suits a car on a lift or on the ground where you lower the unit onto the jack.
| Family | Collapsed height | Max height | Best for |
|---|---|---|---|
| ZD02 series | 850-1290 mm | 1750-1900 mm | Under-hoist, pit and truck work |
| ZD03 series | 160-220 mm | 650-820 mm | Cars on a lift or on the ground |
If you work mainly on cars on a two-post lift, the ZD03 family is usually the better fit and costs less to move around. If you regularly pull truck transmissions or work from a pit, the ZD02 family is the only one that reaches.
Most car gearboxes sit comfortably inside 0.5 ton. Move up when the unit is a heavy transfer case, a commercial vehicle gearbox, or when you use adapter plates and fixtures that add weight.
| Model | Capacity | Lift range | N.W. |
|---|---|---|---|
| ZD02051-28 | 0.5 ton | 1100-1900 mm | 23.5 kg |
| ZD02051A | 0.5 ton | 1200-1900 mm | 28/11.5 kg |
| ZD02054 | 0.5 ton | 1290-1780 mm | 31 kg |
| ZD02052 | 0.5 ton | 870-1800 mm | 72 kg |
| ZD02101 | 1 ton | 880-1810 mm | 80 kg |
| ZD03051 | 0.5 ton | 160-650 mm | 40 kg |
| ZD03052 | 0.5 ton | 190-650 mm | 37 kg |
| ZD03101 | 1 ton | 200-750 mm | 56 kg |
| ZD03101A | 1 ton | 210-780 mm | 55 kg |
| ZD03151 | 1.5 ton | 210-780 mm | 56 kg |
| ZD03152 | 1.5 ton | 180-800 mm | 74 kg |
| ZD03201 | 2 ton | 220-820 mm | 91 kg |
The ZD03201 at 2 ton is the top of the range at 220-820 mm; below it theZD03151 and ZD03152 cover 1.5 ton at 210-780 and 180-800 mm.
Recommendation:
ZD02051-QL is new item, single piston, lifting height from 1100 - 1900mm, 0.5 ton capacity, Quick lift, only arround 50 times could pump to the max height. price is beautiful.
ZD02053 is new item too, double piston, lifting height from 850 - 1750 mm, 0.5 ton capacity, Quick lift, double ram.
Net weight ranges from 23.5 kg to 91 kg across the range, and that gap is not accidental. The light units are portable and easy to position by hand; the heavy ones are stable under load and meant to stay in one bay.
Under 30 kg - ZD02051-28(23.5 kg，with X saddle), ZD02051A (28/11.5 kg with angle adjustment saddle), ZD02054 (31 kg, long jack with metal base, with angle adjustment saddle ) - easy to move, good where one jack serves several bays.
70 kg and up - ZD02052 (72 kg), ZD02101 (80 kg), - stable platforms for repeated heavy work.
Strap the unit to the saddle before you lower it - the saddle does not hold it on its own
Keep the load centred; a gearbox hanging off centre will tip a narrow-base jack
Lower slowly. Most damage happens on the way down, not during removal
Support the engine from above before the gearbox comes out
Do not use the jack as a permanent stand - it is a positioning tool, not a support
It is not recommended to raise the equipment to its maximum lifting height. Due to the structural design, when raised to the maximum height, the guiding performance of the piston rod within the cylinder deteriorates, which may cause it to lock or jam at the top. Therefore, if the vehicle chassis still cannot be reached when the equipment is at its maximum height, it is generally advisable to lower the vehicle slightly, as this will contribute to safer operation.
For most passenger car gearboxes 0.5 ton is enough - models such as the ZD02051-28 or ZD02053 cover that work. Step up to 1 ton (ZD02101) for transfer cases, light commercial units, or when you use heavy adapter fixtures, and to 1.5 or 2 ton (ZD03151, ZD03152, ZD03201) for truck gearboxes.
Height. The ZD02 series starts at 850-1290 mm and reaches 1750-1900 mm, so it is made for under-hoist, pit and truck work. The ZD03 series starts at 160-220 mm and reaches 650-820 mm, which suits cars on a lift or on the ground. Choose by where the gearbox sits, not by capacity alone.
Yes - it decides whether the jack can get under the vehicle at all. A unit that collapses to 160 mm (ZD03051) slides under a low car; one that collapses to 1100 mm (ZD02051-28) needs a raised vehicle or a pit.
Lighter units are easier to move between bays - the ZD02051-28 is 23.5 kg. Heavier units like the ZD03201 at 91 kg are more stable under load. If one jack serves several bays, favour the lighter end; if it stays in one place under repeated heavy work, favour the heavier end.
No. A transmission jack positions and lowers the unit; it is not a support. Support the engine from above before the gearbox comes out, strap the gearbox to the saddle, and use proper stands for anything that must stay up.