Dozer Repair Cost
A undercarriage replacement on a Caterpillar D6 typically runs $9,550-$58,650 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 D6 undercarriage
$9,550-$58,650
estimated total, parts and labor
Labor hours
11-32 hrs
Shop rate
$125-$175/hr
Parts
$8,150-$53,050
* Static estimate from heavy-equipment norms, not a quote. Real cost depends on parts source, access, and collateral damage.Get an exact estimate →
Replacing wear parts as a set: track chains, rollers (top and bottom), idlers, sprockets, and the track shoes or rubber tracks. A full undercarriage is a big-ticket maintenance item, not a single failure, and is usually done all at once to avoid re-tearing the machine down.
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 undercarriage repair at $9,550-$58,650 is usually worth it on a Caterpillar D6, but it pays to know the machine's current value first.
See Caterpillar D6 resale value →Hydraulic Pump Replacement
$6,700-$16,050
Final Drive / Travel Motor Replacement
$5,150-$16,400
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
Alternator Replacement
$650-$2,550
Starter Motor Replacement
$750-$2,950