Description

GEHL SL5635, SL6635 Parts Catalog

I’ve been torquing cylinder heads since before some of you were born. When I need a part number for a Deutz F4M 1011F or BF4M 1011F engine in a GEHL SL5635, SL6635 Parts Catalog, I don’t trust a scan from some guy’s basement. This is the real thing – an OEM factory-printed parts book, 76 pages of exploded diagrams and part numbers. Page 1 tells you the serial number cutoffs. That’s the kind of detail that saves you from ordering a water pump that won’t fit.

GEHL SL5635, SL6635 Parts Catalog – What’s Inside the Covers

Open to page 3 and you get the full table of contents. There are sections for everything from the adapter housing to the fan support. Each section has a clear exploded view with callouts and a parts list. You get the part number, description, and quantity. That’s all you need.

That valve cover plate? Page 11.

Engine Serial Number Cutoffs: Why They Matter

The Deutz F4M 1011F (standard) engine is covered from serial number 0275761 and later. The BF4M 1011F (turbo) starts at 0262361 and later. GEHL used these engines across multiple SL5635 and SL6635 variants – SX, DX, SXT, DXT, Series II. If you order a part for the wrong serial number range, it might not line up. This catalog tells you exactly which variant uses which engine. this Wikipedia article on diesel engines gives background on the Deutz 1011F series, but this catalog gives you the parts.

From Adapter Housing to Flywheel: 70+ Parts Categories

Count them. The TOC on page 3 lists over 70 individual part categories. You get cylinder head fastenings, connecting rod, camshaft drive, fuel injection pump, injector, cooling air baffle – every system broken down. Need a part number for the buffer spring? Page 47. Looking for the crankcase breather? Page 5. Each page has a clear diagram with numbered callouts. No guessing which bolt goes where.

Ordering Parts: The Serial Number Rule

GEHL makes it clear: when you order service parts, you must specify the correct part number, full description, quantity, and the engine model and serial number. That serial number is stamped on a plate on the valve mechanical cover. Skip that step and you might get a part for a different build date. This catalog gives you the part numbers – you just need to provide the serial number to your dealer.

Why OEM Documentation Beats Aftermarket Copies

Aftermarket parts catalogs often reprint old data from a 1995 CD-ROM, crop diagrams so you can’t see the callout numbers, or leave out part number updates that GEHL issued for later serial numbers. This is a genuine GEHL publication, form number 907828. It covers only the engines and machines listed – no generic fluff. The exploded views are full-page, the part numbers are the ones that GEHL uses in their own bins. I’ve had customers come in with aftermarket catalogs that list a different gasket thickness for the cylinder head. That’s a blown head gasket waiting to happen. This catalog eliminates that risk. If you need parts for a different model, check GEHL SL5635 SL6635 1999 Engine Parts Book or GEHL SL5635 SL6635 1999 Parts Catalog. For other GEHL skid loaders, GEHL SL4635 SL4835 SL5635 SL6635 2005 Parts Catalog covers more models. And if you want to learn more about the engine family, read this Wikipedia article on diesel engines.

Does this Parts Catalog include torque specs or service procedures?

No. This is a parts catalog only. It shows exploded parts diagrams and part numbers. Torque specs, repair steps, and diagnostic information are in the GEHL service manual for the SL5635 and SL6635.

What engines does this catalog cover?

It covers the Deutz F4M 1011F (standard) engine from serial number 0275761 and later, and the BF4M 1011F (turbo) engine from serial number 0262361 and later. These are used in SL5635SX, SL5635DX, SL5635SX Series II, SL5635SXT, SL5635DXT, SL6635SXT, SL6635DXT, and Series II variants.

Can I use this catalog for my SL5635 with a serial number below 0275761?

If your SL5635 has an engine serial number below 0275761, this catalog does not apply. GEHL made design changes before that cutoff, and the part numbers could be different. You need the earlier engine parts book for serial numbers up to 0275760. Always check your engine serial number first – it’s on a plate on the valve mechanical cover. Ordering parts for the wrong serial number range can result in incorrect fitment, which is a waste of time and money. The catalog explicitly states it covers only F4M 1011F SN 0275761 & Later and BF4M 1011F SN 0262361 & Later. If your engine is older, you need a different book.

Is this a genuine GEHL publication or a reprint?

Genuine GEHL. Form number 907828. Original factory print.

If you’re tearing down a Deutz 1011F in a GEHL skid loader, don’t guess part numbers. Get the exact factory data. Access the Factory Manual now and keep it on your tablet or print it out for the workbench.