Description

GEHL TR338 Parts Catalog – OEM Factory Specs for the Three-Row Attachment

I’ve seen too many guys order the wrong gatherer drive sprocket because they were using a generic parts list. Then they’re down for a week waiting on the right one. That’s time and money you don’t get back. The GEHL TR338 Parts Catalog eliminates that headache. It’s 22 pages of factory-correct exploded diagrams, direct from GEHL. No aftermarket interpretation – just the schematics the assembly line used.

What the TR338 Parts Catalog Actually Covers

Page 2 tells you where to find the serial number – right side of the main frame next to the attachment stand. Use it. The manual breaks down the attachment into logical assemblies: Main Frame (pages 4-5), Gatherer Drive (pages 8-9), Gatherer (pages 10-13), and Deflector (pages 14-15). Each section has an exploded view with callouts and a parts list. You’ll also find decal locations on pages 2-3 so you can replace worn warning labels. Alphabetical and numerical indexes (pages 16-18) let you cross-reference part numbers fast.

22 Pages of Exploded Views and Torque Specs

Twenty-two pages doesn’t sound like much until you realize every fastener, bracket, and wear item is listed with a factory reference number. The inside back cover has standard hardware torque specifications in foot-pounds. That’s the same table GEHL uses at the plant. If you see a number inside a hexagon on the diagram, that’s the required torque for that specific bolt or nut. Skip that and you’ll strip threads or get a loose joint. I’ve seen it happen. This manual covers the TR338 three-row attachment only, so there’s no fluff from other models.

Torque Values: Factory Specs on the Inside Back Cover

A number inside a hexagon on the exploded view is the torque value in foot-pounds for that reference number. For example, if you’re replacing the gatherer sprocket, the diagram may show a hexagon with “50” next to the sprocket bolt. That means 50 ft-lbs – not 45, not 55. The inside back cover also lists standard torque for Grade 5 and Grade 8 hardware. Don’t guess. Use the spec. Page 2 has the abbreviations table so you can decode fastener descriptions like CS (cap screw) or FLN (flanged lock nut).

Who Needs This Parts Catalog?

If you own a GEHL TR338 three-row attachment, you need this. Professional mechanics who maintain fleet equipment will appreciate having the exact part numbers for gatherer fingers, deflector shields, and drive chains. Home garage enthusiasts who bought a used attachment can identify missing or incorrect parts without trial-and-error ordering. The manual doesn’t cover repair procedures, but it’s the only reliable source for OEM part numbers. Pair it with a service manual for the carrier vehicle – the TR338 attaches to loaders powered by diesel engines (see this Wikipedia article on diesel engines for background).

OEM vs Aftermarket: Why This Manual Matters

Aftermarket parts catalogs often use generic drawings or pull part numbers from outdated sources. GEHL reserves the right to change designs without obligation to update older units. This manual is an original GEHL publication – Form No. 908012, replacing 904848. The exploded views use reference numbers with torque callouts. Aftermarket reprints copy the pictures but often lose the hexagon torque data or resize diagrams so you can’t read the part numbers. I’ve compared them side by side. The factory PDF is the one to trust.

That’s it. 22 pages of what you need to order the right part the first time.

Frequently Asked Questions

Does this manual include repair procedures?

No. This is strictly a parts catalog for ordering factory components. You won’t find overhaul steps or diagnostic flowcharts.

How do I use the exploded view diagrams to identify a part?

Each assembly shows numbered callouts. Find the reference number in the parts list below the diagram – it will list the part description, quantity, and GEHL part number. If you see a hexagon with a number next to the callout, that’s the torque value in foot-pounds for that fastener. Hardware items like cap screws, washers, and nuts are indented under the associated part but not illustrated unless special routing is required. The abbreviations table on page 2 decodes fastener abbreviations (e.g., CS = cap screw, FLN = flanged lock nut). Use the numerical index starting on page 17 to locate a part number you already have. The inside back cover provides standard torque specs for common hardware. This is the same system GEHL uses in their assembly line – follow it exactly.

Related Manuals

• GEHL SL4640, SL4840, SL5640, SL6640 2005 Parts Catalog
• GEHL SL7610, SL7710, SL7810 2005 Parts Catalog – OEM Factory Specs
• GEHL RS6-34 2013 Parts Catalog – Factory OEM Manual
• this Wikipedia article on diesel engines

If you’re working on a TR338 attachment, don’t rely on a blurry scan or a third-party list. Get the actual factory document that matches the parts bin. Access the Factory Manual from AutoRepairManuals and have the right specs at your fingertips.