Excavator Repair Cost
A engine rebuild / replacement on a Caterpillar 320 GC typically runs $14,700-$53,450 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 320 GC engine rebuild
$14,700-$53,450
estimated total, parts and labor
Labor hours
32-81 hrs
Shop rate
$125-$175/hr
Parts
$10,700-$39,250
* Static estimate from heavy-equipment norms, not a quote. Real cost depends on parts source, access, and collateral damage.Get an exact estimate →
Pulling the engine (or doing an in-frame), inspecting the block, and replacing pistons, rings, bearings, gaskets and seals, or dropping in a reman long block. Tier 4 emissions hardware (DPF, EGR, aftertreatment) adds labor and parts on newer machines.
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 engine rebuild repair at $14,700-$53,450 is usually worth it on a Caterpillar 320 GC, but it pays to know the machine's current value first.
See Caterpillar 320 GC resale value →Hydraulic Pump Replacement
$6,000-$14,400
Final Drive / Travel Motor Replacement
$4,600-$14,600
Undercarriage Replacement
$8,550-$52,000
Hydraulic Cylinder Reseal / Replacement
$1,200-$7,650
Fuel Injector / Injection System Repair
$2,100-$13,150
A/C Compressor / System Repair
$1,000-$4,600
Alternator Replacement
$600-$2,300
Starter Motor Replacement
$700-$2,650