Diehard, part number 3940DHP. 
4T Portable Power Kit 
DieHard portable power kit is designed to be used for pushing, spreading, and pressing of vehicle body panels as well as various component parts and assemblies. 
3940 has a 4 tons (8,000 lbs.) load capacity. The kit includes 4 Ton ram and hydraulic pump, extension rubes, serrated saddle, V-base, wedge head, plunger, ram 
toes, 1/2T capacity spreader, flat base, and storage case. 
Complete kit for a variety of auto body, frame repair and construction jobs 
Hydraulic equipment needed for lifting, pushing, bending and spreading 
Includes: 4 Ton ram and hydraulic pump, extension rubes, serrated saddle, V-base, wedge head, plunger, ram toes, 1/2T capacity spreader, flat base, and storage 
case.