Dozer Repair Cost
A final drive / travel motor replacement on a John Deere 850P typically runs $5,150-$16,400 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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John Deere 850P final drive (travel motor)
$5,150-$16,400
estimated total, parts and labor
Labor hours
5-12 hrs
Shop rate
$125-$175/hr
Parts
$4,500-$14,300
* Static estimate from heavy-equipment norms, not a quote. Real cost depends on parts source, access, and collateral damage.Get an exact estimate →
Lifting or blocking the track, removing the track chain or loosening tension, unbolting the final drive (travel motor plus planetary hub), then installing the replacement and refilling gear oil. Track removal is the time sink, not the drive itself.
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 final drive (travel motor) repair at $5,150-$16,400 is usually worth it on a John Deere 850P, but it pays to know the machine's current value first.
See John Deere 850P resale value →