Part: 6E-3137 piston pump for CAT H-series and K-series motor graders, listed by Caterpillar as Pump Group-Piston with the parts book item name PUMP GP-PISTON. Its plate carries the implement control valves for articulation, centreshift, wheel lean and blade lift.
Role: the implement side of the tandem pump stack. Cat reman equivalent 0R-7672.
Supplied as: new HTD-brand replacement, made in China. MOQ 1 piece, wooden case, dispatch 5 to 8 working days.
Part: 6E-3136 steering piston pump for CAT H-series and K-series motor graders. Caterpillar lists it as a 74Cc Steel Piston Pump and the parts book item name is PUMP GP-PISTON -STEERING, member of group 8X-2379 PUMP & MTG GP-STEERING.
Type: variable displacement axial piston, pressure and flow compensated. Cat reman equivalent 0R-7682.
Supplied as: new HTD-brand replacement, made in China. MOQ 1 piece, wooden case, dispatch 5 to 8 working days.
Part: 250-8337 hydraulic fan piston pump for CAT 120M, 140M and 160M motor graders, listed by Caterpillar as a Hydraulic Fan Piston Pump. Remanufactured reference 20R-0109.
What it is: a variable displacement axial piston pump that meters oil to the grader’s demand fan, built on the Bosch Rexroth R986110089 platform.
Supplied as: new HTD-brand replacement, made in China. MOQ 1 piece, wooden case, dispatch 5 to 8 working days.