Joyce reverse base 50-ton ball screw worm gear jacks lift and precisely position loads. Upright or inverted, these jacks operate at full capacity in tension or in compression and are available in Translating and KFTN designs. Reverse base RWB1150, and RWB3250 jacks are highly efficient and require a brake or other external locking device to hold position.
- Standard lead (0.66” lead)
- Reverse base
- Available in 11:1 and 32:1 internal gear set ratios