Skid Steer Engine Rebuild Cost: Top-End Overhaul and In-Frame Rebuild Prices for Bobcat, Cat, John Deere, and Kubota

What does a skid steer engine rebuild cost? Real parts and labor ranges for top-end overhauls and in-frame rebuilds on Bobcat, Caterpillar, John Deere, Case, and Kubota skid steers, plus how to know if a rebuild makes sense before approving a full replacement.

When a skid steer engine starts burning oil, losing compression, or running rough, the first question is whether you are looking at a rebuild or a replacement. A full reman long block swap is the faster option, but an in-frame engine rebuild can cost significantly less when the lower end is still sound. Here is what a skid steer engine rebuild actually costs, how to tell which path makes sense, and what the job covers.

Skid Steer Engine Rebuild Cost Overview

Engine rebuild costs on a skid steer depend on how much of the engine needs work. A top-end overhaul (head gasket, valves, rings, with the engine staying in the machine) runs significantly less than a full in-frame rebuild where the pistons, bearings, and crankshaft all get measured and replaced.

Rebuild Scope	Parts Cost	Total with Labor
Top-end overhaul (head, rings, valves)	$1,400-$3,500	$3,200-$7,500
In-frame rebuild (full pistons, bearings, head)	$2,800-$6,500	$5,500-$11,500
Full out-of-frame rebuild (machine shop, all components)	$4,500-$9,000	$8,500-$16,000

Labor on skid steer engine rebuilds runs $115 to $175 per hour depending on region and whether the work goes to a dealer or an independent shop. The engine usually stays in the machine for top-end and most in-frame work, which saves the 8 to 14 hours of R&R time that a reman long block swap requires. Machine shop fees apply for cylinder boring, crank grinding, or head resurfacing if those services are needed.

Before you call shops, use EquipBook's free repair cost estimator to get a range specific to your machine and what the engine failure looks like.

Top-End Overhaul vs. Full Rebuild

The right scope depends on what the inspection finds once the engine is partially disassembled.

A top-end overhaul makes sense when the failure was heat-related (overheating, blown head gasket, burned valves) and the lower end checks out clean. If the cylinders measure within spec, the rod bearings are within tolerance, and the crankshaft journals have no scoring, a top-end job returns the engine to spec for the lowest possible cost.

An in-frame rebuild is the call when a cylinder bore measurement shows taper or out-of-round beyond what rings alone can fix, or when a bearing failure sent metal through the lower end without destroying the crankshaft. The shop bores the cylinders to an oversize, installs oversized pistons and rings, replaces rod and main bearings, and redoes the top end at the same time.

A full out-of-frame rebuild pulls the engine completely for machine shop work: crankshaft grinding, block tanking and inspection, cylinder boring to spec, and complete bearing and seal replacement throughout. This is the path on older high-hour engines where you want a like-new result rather than a best-effort in-frame job.

Rebuild Cost by Brand and Model

Machine	Top-End Overhaul	In-Frame Rebuild
Bobcat S450 / S510 / S550	$3,200-$6,500	$5,500-$9,800
Bobcat S570 / S595 / S630 / S650	$3,500-$7,000	$6,000-$10,500
Bobcat S740 / S770 / S850	$4,000-$7,500	$6,500-$11,500
Caterpillar 226D3 / 236D3 / 246D3	$3,500-$7,000	$6,000-$10,500
Caterpillar 262D3 / 272D3	$4,000-$7,500	$6,500-$11,500
John Deere 320G / 332G	$3,500-$7,000	$6,000-$10,500
Case SV300B / SV340B	$3,500-$7,000	$6,000-$10,500
Kubota SSV65 / SSV75	$3,200-$6,500	$5,500-$9,500

What the Rebuild Covers

Every shop scope is different, but a proper rebuild at any level should include:

Head gasket and head bolts. Always replaced on any engine rebuild. Reusing a compressed gasket or stretched head bolts on a rebuilt engine is a mistake that comes back within a few thousand hours.
Piston rings. Replaced on all in-frame and out-of-frame rebuilds. Worn rings are what cause the oil burning and compression loss that typically drives the rebuild decision in the first place.
Valve seals and guides. Valve seals harden with age and heat. Blue smoke on startup is usually valve seals. A rebuild that does not address the valve train is an incomplete job.
Rod and main bearings. Replaced on in-frame and out-of-frame rebuilds. This is the insurance that keeps the lower end from developing problems within a year of the top-end work.
Cylinder measurement and bore work. Any professional rebuild measures cylinder bore diameter and taper before choosing the repair scope. Out-of-spec cylinders must be bored to a standard oversize and matched with oversized pistons. Rings alone will not seal against a worn bore.
Cooling system components. Thermostat, water pump seals, and any hoses showing age should come with a rebuild. They will cost less to replace now than to pull the engine apart again for a coolant leak 1,000 hours later.

When a Rebuild Beats a Reman Long Block Swap

A reman long block swap is faster (lower labor hours on the engine-out work) and gives you a known quantity in the new unit. But a rebuild pencils out better when:

The lower end is still in spec and only the top end needs work. A top-end overhaul at $4,000-$7,000 versus a reman swap at $8,000-$14,000 is a significant difference.
The machine is a specific model where high-quality reman units have long lead times. If the shop needs to wait 4 to 6 weeks for a reman long block and the machine is working, an in-frame rebuild with local machine shop support can be faster.
The original block has been maintained well and the bore is within spec. A clean block that measures right is worth keeping.

See skid steer engine replacement cost for reman long block swap ranges if the lower end needs replacement rather than rebuild.

Does the Repair Make Sense on Your Machine?

A $5,500 top-end overhaul on a 2018 Bobcat S650 worth $38,000-$45,000 is a straightforward keep-it decision. The repair is well under 15 percent of the machine's value, and a clean engine on a solid frame with good hydraulics should run for several more thousand hours.

The calculus changes on a 2009 Bobcat S650 at 9,000 hours worth $12,000-$18,000. An $8,000 in-frame rebuild is 45 to 65 percent of the machine's value, and there is a real question about what else is wearing. Know the machine's value before you approve the rebuild.

Get a free skid steer valuation at EquipBook in under 60 seconds. Then use the free repair cost estimator to price the specific engine repair on your machine. Those two numbers tell you whether to rebuild, swap to a reman, or find a replacement machine.