Wheeler Rex 4624 Hydraulic Pipe Cutter, PipeMaster Unit 6' to 24' Cutting Capacity: Industrial & Scientific. Wheeler Rex 4624 Hydraulic Pipe Cutter, PipeMaster Unit 6" to 24" Cutting Capacity: Industrial & Scientific. 62 Hydraulic Pipe Cutter, Pipe Master Unit 6" to 2" Cutting Capacity. Unit consists of a cutting head with internal gears which operate the drive wheels and blade shaft. Cutting blades must be cooled with water during cutting and are fully enclosed for safety. The cutter is held onto the pipe by a wide roller chain which is tensioned with a threaded take-up mechanism. A chart is included which tells the operator how much chain is required for various sizes of pipe. The unit has a hydraulic motor which requires an external hydraulic power source. 625 Pipe master 6" to 2" Features: Construction: Aluminum Gearbox and Side plates with Steel & Bronze Gears, Steel Roller Chain, Drive, Wheels Aluminum with Urethane Covering Gearbox: Worm Drive with 80-90W gear oil Hydraulic Requirements: gpm (15pm) at 2000 psi (10 kg/cm2) Cutting Speed: " (150mm) of surface travel per minute, 1" (25mm) of diameter per minute Cutting Clearance: Radial 8" (200mm), Axial 16" (00mm) Blade Speed: 1200 rpm Cutting Head Weight: 5 lbs. (16kg)* Hydraulic power source is needed for operation. 。 。 。