Mini Excavator Repair Cost
A hydraulic pump replacement on a Caterpillar 305 CR typically runs $2,200-$5,300 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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Caterpillar 305 CR hydraulic pump
$2,200-$5,300
estimated total, parts and labor
Labor hours
4-8 hrs
Shop rate
$125-$175/hr
Parts
$1,700-$3,900
* 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 $2,200-$5,300 is usually worth it on a Caterpillar 305 CR, but it pays to know the machine's current value first.
See Caterpillar 305 CR resale value →Final Drive / Travel Motor Replacement
$1,700-$5,250
Undercarriage Replacement
$3,150-$18,600
Engine Rebuild / Replacement
$5,750-$20,550
Hydraulic Cylinder Reseal / Replacement
$500-$2,950
Fuel Injector / Injection System Repair
$800-$4,850
A/C Compressor / System Repair
$350-$1,800
Alternator Replacement
$300-$900
Starter Motor Replacement
$350-$1,000