Main Hydraulic Pump for Komatsu HM400
Hydraulic pump 708-1W-00450 is listed for the Komatsu HM400 articulated dump truck. The existing product record describes it as a main pump assembly supporting steering and hoist functions. Because HM400 configurations can differ by series and production period, fitment must be confirmed before ordering.
Product Reference
Brand: Komatsu
Machine reference: HM400 articulated dump truck
Part number: 708-1W-00450
Part type: Main hydraulic pump assembly
HM400 Pump Verification
Please provide the complete HM400 model designation, machine serial number and a readable photo of the pump identification plate. Photographs should also show the input connection, mounting face and hydraulic port layout. These details help distinguish pumps that may have a similar external appearance.
Inspection and Secure Packing
The identification plate, shaft area, ports and external housing are visually checked before shipment. Ports are protected from contamination, and the pump is secured in a reinforced case with internal supports suitable for its weight.
Frequently Asked Questions
Is 708-1W-00450 suitable for every HM400 version?
Fitment should be checked against the full model designation, serial number and original pump tag.
What photographs are needed for confirmation?
Send the pump plate, full housing, shaft or input side, mounting face and all port positions.
Can related steering or hoist hydraulic parts be checked?
Yes. Supply the required part numbers or a parts-book diagram so each related component can be identified separately."
