Repair Kits and Hydraulic Units
No. 3729 12 Ton Hydraulic Jack Unit Repair Kit (gray only)
No. 3730 25 Ton Hydraulic Jack Unit Repair Kit (gray only)
Repair parts for Carver hydraulic gray units contain hydraulic oil, seals, gaskets, pins, fittings, valve parts, and instructions needed to rebuild the unit.
Have a Green or older vintage Jack? We recommend the purchase of our current replacement gray jacks found in table below.
No. 3789 30 Ton Repair Kit for pump and reservoir
Carver pump and reservoir kit contains repair parts and instructions. (Oil sold separately)
Please Note: Carver repair kits include wear components that are replaceable. In most cases replacing these components may solve hydraulic issues. In units with excessive wear or damage the repair kit may not be 100% effective. Carver repair kits are not guaranteed to fix the problem and a non-refundable item.
Repair Kits and Hydraulic Units
Laboratory Press Parts and Accessories
Product Images
Reference Table
Parts - Repair Kit Page
| Part# | Description |
| 3912 | 12 ton hydraulic unit for most standard 12 ton presses* |
| 3912.P | 12 ton hydraulic unit for 4350 series pellet presses |
| 3925 | 25 ton hydraulic unit for most standard 25 ton presses* |
| 321007 | Pump and reservoir for most standard 30 ton manual presses |
| 3467-0 | Hydraulic cylinder for most standard 30 ton manual presses and 25/30 ton Auto Presses (serial number specific - Consult factory for details) |
| 3729 | 12 ton repair kit for gray units only |
| 3730 | 25 ton repair kit for gray units only |
| 319002 | Pump Assembly for 12 & 25 ton manual hydraulic unit/jack (S-Z) |
| 3789 | 30 ton repair kit for pump and reservoir |
| 3867 | 30 ton repair kit for 2-bolt hole pattern 3467-0 cylinders on Manual presses |
| 6315.5 | 30 ton repair kit for Auto presses with 25/30 cylinder 3467-0 |
| 2170 | Hydraulic fluid/oil (pint size) |
| *Note: Carver current hydraulic setup is with 1/8” fittings and tubing. If you have the older style 5/8” tubing, we would recommend the purchase of our current 1/8” fitting (965182) and tubing (367149) when purchasing a new hydraulic unit/jack. One fitting comes with the purchase of a new jack. | |