Mini Excavator Repair Cost
A hydraulic cylinder reseal / replacement on a Caterpillar 308 CR typically runs $800-$4,600 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 308 CR hydraulic cylinder
$800-$4,600
estimated total, parts and labor
Labor hours
3-8 hrs
Shop rate
$125-$175/hr
Parts
$400-$3,200
* Static estimate from heavy-equipment norms, not a quote. Real cost depends on parts source, access, and collateral damage.Get an exact estimate →
Removing the cylinder (boom, arm, bucket, lift, or tilt), then either resealing it with a new seal kit and honing the barrel, or replacing the cylinder outright if the rod is scored or bent. Resealing is far cheaper than replacement when the barrel and rod are still good.
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 cylinder repair at $800-$4,600 is usually worth it on a Caterpillar 308 CR, but it pays to know the machine's current value first.
See Caterpillar 308 CR resale value →Hydraulic Pump Replacement
$3,550-$8,600
Final Drive / Travel Motor Replacement
$2,700-$8,600
Undercarriage Replacement
$5,000-$30,200
Engine Rebuild / Replacement
$9,000-$32,500
Fuel Injector / Injection System Repair
$1,300-$7,750
A/C Compressor / System Repair
$600-$2,850
Alternator Replacement
$400-$1,450
Starter Motor Replacement
$450-$1,650