Function: hydraulic fan drive pump on Doosan / Develon DX380, DX420, DX500 and DX520 excavators. This unit is built as a drop-in substitute for the A10VSO18 size 18 variable displacement platform.
Supplied as: new aftermarket part, HTD brand, made in China. MOQ 1 piece, wooden case, dispatch in 5 to 8 working days. Bench pressure checked and photographed before packing.
Match before ordering: control variant on the old pump, spline and flange face, port thread sizes, and the position of the solenoid.
Part: 259-0815 hydraulic fan pump for CAT 330D and 336D excavators, cross-listed as 10R-8707. Caterpillar lists this number as a fan piston pump.
Role: it is the supply side of the cooling circuit. The fan motor in the same circuit is 234-4638 / 10R-8694, listed separately.
Supplied as: replacement unit, bench tested, wooden case, MOQ 1 piece, dispatch 5 to 8 working days.