Dozer Repair Cost
A hydraulic pump replacement on a Komatsu D51PX-24 typically runs $3,700-$8,950 all in. Below is the labor and parts breakdown, what drives the cost up or down, and how to get an exact number for your machine.
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Komatsu D51PX-24 hydraulic pump
$3,700-$8,950
estimated total, parts and labor
Labor hours
6-12 hrs
Shop rate
$125-$175/hr
Parts
$2,950-$6,850
* Static estimate from heavy-equipment norms, not a quote. Real cost depends on parts source, access, and collateral damage.Get an exact estimate →
Draining and flushing the hydraulic system, removing guarding and lines to reach the pump, swapping the pump (or pump group), then bleeding the system and pressure-testing. On larger machines the pump sits under the cab or counterweight, which adds hours.
The range above moves with these factors. The biggest swing is usually parts source and whether the failure damaged anything downstream.
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A hydraulic pump repair at $3,700-$8,950 is usually worth it on a Komatsu D51PX-24, but it pays to know the machine's current value first.
See Komatsu D51PX-24 resale value →