Description

Yanmar 3TNV88-XMS, 4TNV88-XMS 2004 Parts Catalog

I’m Mike Callahan, been an ASE Master for 28 years. When I order parts for a Gehl or Mustang skid-steer with a Yanmar 3TNV88-XMS or 4TNV88-XMS engine, I don’t guess. I use the factory Parts Catalog from 2004 – 74 pages that show every gasket, bolt, and seal. This is the exact publication used by dealers. Aftermarket catalogs? I’ve seen them transpose part numbers. Get it wrong and you’re waiting a week for the right part.

What the Yanmar 3TNV88-XMS, 4TNV88-XMS 2004 Parts Catalog Covers

The manual breaks down every subsystem. Starts with the Cylinder block – page 1 – showing block assembly, liners, pistons, rings. Then the gear housing, flywheel housing, oil sump. You’ll find parts for the cylinder head and bonnet, suction manifold, exhaust manifold. If you’re rebuilding the rotating assembly, the crankshaft and piston section lists every bearing set and snap ring. Each drawing includes reference numbers that correspond to the part number table next to it. You cross-reference the number, get the OEM part number, and order it. No more guessing if the aftermarket piston ring set is the right thickness. The catalog also includes the oil pump, timing gears, and camshaft components. For a complete overhaul, you need this to identify every single wear item. I’ve had customers bring me an engine in a crate with missing parts because they didn’t have the exploded view. Don’t be that guy.

Fuel Injection System: Pump, Valve and Lines

These Yanmar engines use an injection pump with separate fuel injection valves. The catalog covers the pump assembly, the valve, and the high-pressure lines – including sealing washers and delivery valves. Those small items get lost or overlooked. Ordering from memory? Bad idea. Use the catalog to get the exact OEM part.

Cooling and Lubrication: Water Pump, Oil Cooler, and More

Cooling water system parts include thermostat, water pump, hose clamps. Lubrication oil system covers the oil pump, filter base, and pan gaskets. One missing O-ring can cause a coolant leak that ruins a rebuild. The catalog specs the exact gasket set in the tool and gasket section.

Starting and Charging: Starter Motor and Generator

These engines came in Gehl SL3635/3935 and Mustang 2022/2032/2044/2054 loaders. The starter motor and generator are specific to this application. Look up the part number using the numerical index on page 66 – it cross-references every part in the manual. Find a bolt or a bracket by number alone.

Tool and Gasket Set – What’s Included

Special tools and gasket sets are listed for top-end overhauls. You need the valve guide tool, the injector seat cutter. The catalog shows OEM tool numbers. Don’t fabricate your own tool and risk damaging the cylinder head. Order the right one.

Why Factory OEM Documentation?

This is not a reprint of a reprint. It’s the original 2004 publication from Gehl Company and Mustang Manufacturing. The introduction specifically warns that part numbers may change – the dealer can update you. Aftermarket catalogs often freeze part numbers and become obsolete. With the original, you see the revision date (Rev A 12/04) and know exactly what you’re working with.

Aftermarket catalogs cost you time.

For related Yanmar engine parts, see the Ammann Yanmar B12 B17 Parts Catalog and the Yanmar YB271, B27 1994 Parts Catalog – OEM Factory Specs. Also check the Yanmar YB301 YB351 1991 Parts Catalog – 248 Pages OEM. For a broader perspective on why OEM documentation matters in the automotive industry, read the Automotive Industry Overview. The Automotive Industry Overview article explains the importance of proper documentation.

FAQ

Does this catalog include torque specifications or repair procedures?

No. This is a parts catalog only – exploded views and part numbers. You need the service manual for torque values.

How do I find a specific part number if I have the old part in hand?

Flip to the numerical index on page 66. Every part number listed in the catalog appears there with a page reference. Match your old part’s number to the index, then go to that page to see the exploded diagram and confirm the correct updated number. If the part number has been superseded, your Gehl or Mustang dealer can give you the latest. The catalog itself warns that part numbers may change, but the index is your starting point. That index is critical because it compiles all the part numbers from every section – cylinder block, fuel injection, cooling, etc. – into one sequential list. You can find a piston ring set or a banjo bolt by number alone. Always verify the description matches your engine model.

I’ve used this catalog myself on a Mustang 2054 rebuild. It saved me from ordering the wrong oil pan gasket. Access the Factory Manual now and keep it on your tablet in the shop.