Bobcat Final Drive Replacement Cost: T590, T630, T650, T750, T770

The final drive is the most expensive single repair on a Bobcat compact track loader. When the planetary hub fails, the machine loses drive on that side. You get a hard right or hard left turn, a grinding noise from the undercarriage, or a machine that simply will not move. On high-hour machines, this is not a surprise. On lower-hour machines, it usually means a leak that went unaddressed until the oil ran out and the bearings ran dry.

Here is what the repair actually costs and what to check before you hand over the keys.

What the Job Involves

A final drive on a Bobcat CTL is a planetary gear hub bolted to the drive sprocket. It steps down engine speed to the track drive speed and handles the full tractive load of the machine. Replacing it means removing the track, unbolting the hub assembly, installing the replacement, torquing everything to spec, and reinstalling the track. On most Bobcat T-series machines, a straightforward replacement runs 4 to 8 hours.

If the bearing failure was catastrophic and pushed metal through the planetary gears, the hub itself may be destroyed rather than just worn. That changes the parts cost significantly: a remanufactured hub assembly versus individual components. It also means checking the sprocket teeth for damage before reinstalling. Worn or cracked teeth will chew through a new final drive faster than normal use would.

Typical Cost Ranges by Model

Shop rates for Bobcat CTL work run $95 to $145 per hour in most markets. Parts cost depends on whether you use a new OEM assembly, a quality remanufactured hub, or an aftermarket replacement.

Machine	Labor Hours	Parts Cost	Total Estimate
Bobcat T590 / T595	4-7 hrs	$1,200-$3,200	$1,600-$4,200
Bobcat T630	4-7 hrs	$1,400-$3,600	$1,800-$4,600
Bobcat T650	4-8 hrs	$1,500-$3,800	$2,000-$5,000
Bobcat T750	5-8 hrs	$1,700-$4,200	$2,300-$5,400
Bobcat T770 / T76	5-9 hrs	$1,900-$4,800	$2,500-$6,100

Ranges cover remanufactured hub assembly through OEM new. A system check for metal contamination in the drive motor adds $400-$800 if metal pushed through the planetary. Shop rates of $95-$145/hr.

OEM vs. Remanufactured vs. Aftermarket

• OEM new assembly: Highest cost. Best fit, manufacturer warranty. Right choice for machines still under dealer warranty or low-hour machines where you plan a long ownership period. Bobcat OEM final drive assemblies for large-frame T-series run $2,500-$5,500 depending on model.
• Remanufactured (reman) hub: 30-50% below OEM. Rebuilt to original specs with new planetary gears, bearings, and seals. Most carry 6-12 month warranties. Correct choice for most out-of-warranty machines. Confirm the core return requirement before ordering: most reman suppliers require your old hub as a core exchange.
• Aftermarket assembly: Budget option, typically 40-60% below OEM. Quality varies significantly. Stick to suppliers that list a specific Bobcat part number compatibility, not just a size match. A final drive that does not engage the sprocket spline correctly will fail quickly.

Why Bobcat CTL Final Drives Fail

The most common cause is low oil. The planetary hub is sealed and oil-filled from the factory. The plug should be checked annually. Most owners never check it. When the seal weeps and the oil level drops, the bearings run dry under full tractive load. Early warning signs are a faint whine from the undercarriage on turns, a slight drag on one side, or oil residue on the sprocket hub area. Catching it at that point is a $200-$400 seal replacement, not a $3,000-$5,000 hub job.

The second common cause is high-hour planetary wear with a history of abrasive soil conditions. Compact track loaders working in sand, gravel, or demolition debris push more contamination through seals than machines working soft dirt. Final drive service life on machines in abrasive conditions is often 2,000-3,000 hours rather than the 4,000-5,000 hours typical for machines working soft soil.

What to Check Before You Approve the Repair

Two things matter before you greenlight a final drive job.

First, check the drive motor on the same side. On Bobcat CTLs the drive motor sits inboard of the final drive. If the final drive failed due to bearing destruction and the machine ran for any time in that state, metal particles can work back through the motor circuit. A $3,500 final drive replacement followed by a $2,500 drive motor replacement two months later is a common sequence on machines where the contamination issue was not addressed. Ask the shop to pull and inspect the drive motor port before reassembling.

Second, check the sprocket. If the teeth are worn to a point or have chipped edges, the new final drive will take accelerated wear from a bad mesh. A sprocket replacement adds $400-$900 in parts and $300-$500 in labor, but it is far cheaper than a second final drive job in 1,500 hours.

Does the Repair Make Sense for This Machine?

A $3,000 final drive on a 2021 Bobcat T650 with 2,800 hours is straightforward. The machine is worth $45,000-$55,000 repaired. The repair is 5-7% of the machine's value.

The math is harder on a 2012 T750 with 5,500 hours that has deferred maintenance throughout. If the final drive failure is the first item on a longer list, the total repair bill can approach or exceed the machine's market value. Before you start, know what the machine is worth.

Get a free valuation on your Bobcat CTL at EquipBook. Trade-in, private party, and dealer retail values in under 60 seconds. Compare the repaired value against your repair estimate and make a data-driven call.

Get a Repair Cost Estimate First

Final drive replacement costs vary by machine size, parts source, and your local shop rate. For a parts and labor range specific to your Bobcat model and the work needed, use EquipBook's free repair cost estimator. Enter your machine and describe the issue to get a range you can compare against any shop quote before you commit.