Part: 400702-00150A heavy-duty hydraulic cooling fan motor for Doosan / Develon DX700 and DX800 class excavators, with cast A and B port markings on the base block.
Supplied as: new aftermarket unit, HTD brand, made in China. MOQ 1 piece, wooden case, dispatch in 5 to 8 working days.
Order on evidence: the number cast on your housing and a rear photo of the port block. Port identity, not part number, is what decides whether the reverse-clean function still works.
Part: 300506-0007 / 300506-00006B hydraulic cooling fan motor for the Doosan DX700 LC excavator. Domed cast cover, twin mounting ears, long threaded shaft end.
Supplied as: new aftermarket unit, HTD brand, made in China. MOQ 1 piece, wooden case, dispatch in 5 to 8 working days.
Diagnostic tip: on the DX700 the fan speed command is electronic, so a heat complaint can come from the motor, the fan pump or the ED regulator valve. This page separates the three.