Dozer Repair Cost
A alternator replacement on a Komatsu D65PX-18 typically runs $650-$2,550 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 D65PX-18 alternator
$650-$2,550
estimated total, parts and labor
Labor hours
1-4 hrs
Shop rate
$125-$175/hr
Parts
$500-$1,850
* Static estimate from heavy-equipment norms, not a quote. Real cost depends on parts source, access, and collateral damage.Get an exact estimate →
Removing belts and any guarding, unbolting the alternator, transferring or replacing the pulley, and installing the new unit. Usually a quick job unless the alternator is buried behind the AC compressor or emissions plumbing.
The range above moves with these factors. The biggest swing is usually parts source and whether the failure damaged anything downstream.
Describe the job on your Komatsu D65PX-18 and get a tailored labor, parts, and total range. Free and instant.
A alternator repair at $650-$2,550 is usually worth it on a Komatsu D65PX-18, but it pays to know the machine's current value first.
See Komatsu D65PX-18 resale value →Hydraulic Pump Replacement
$6,700-$16,050
Final Drive / Travel Motor Replacement
$5,150-$16,400
Undercarriage Replacement
$9,550-$58,650
Engine Rebuild / Replacement
$16,250-$59,100
Hydraulic Cylinder Reseal / Replacement
$1,300-$8,500
Fuel Injector / Injection System Repair
$2,350-$14,700
A/C Compressor / System Repair
$1,100-$5,050
Starter Motor Replacement
$750-$2,950