This jack is ideal for using on hydraulic cranes, engine hoists. It features slow release ensures safety. This manual hydraulic jack is made from low-carbon steel. Heavy duty and high durability metal construction with up to 12-ton weight capacity. High quality large diameter hydraulic steel cylinder unit results in lower oil pressure needed to raise the load, helping to reduce wear and extend service life Mounts directly onto shop cranes and features a slow release function Hydraulics are powered with a high quality oil, which offers better corrosion resistance and high/low temperature flexibility Description
If you have an engine crane that has lost its lifting power you may well need a new ram. Much cheaper the to replace to whole engine crane.

Specification:
Type : 12 Ton Heavy Duty Engine Crane Ram
Material : Strong robust steel construction
Lift Height: 500mm
Extra long hydraulic lifting ram
Handle Included
Material:High quality steel
Dimension:28.15"*7.28"*7.09"(71.5cm*18.5cm*18cm)
Minimum height:640mm
Maximum height:1130mm
Adjustable height:500mm
Maximum lifting weight:12T
Weight:26.9lbs

Features:
1. High-quality metal
2. High-efficiency performance
5. Simple operation, long service life, high efficiency, power save

Item Included(023343):
1* Long Ram Hydraulic Jack