Wheel Loader Repair Cost
A starter motor replacement on a Komatsu WA320-8 typically runs $450-$1,700 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 WA320-8 starter
$450-$1,700
estimated total, parts and labor
Labor hours
1-3 hrs
Shop rate
$125-$175/hr
Parts
$300-$1,150
* Static estimate from heavy-equipment norms, not a quote. Real cost depends on parts source, access, and collateral damage.Get an exact estimate →
Disconnecting the battery, removing cables and mounting bolts, and swapping the starter. Access is the variable: on some machines the starter is easy, on others you fight the frame or exhaust to reach it.
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 starter repair at $450-$1,700 is usually worth it on a Komatsu WA320-8, but it pays to know the machine's current value first.
See Komatsu WA320-8 resale value →