Description

Kubota KX41-2 Parts Catalog

You’ve got a KX41-2 mini excavator torn down to the crankcase and you’re staring at a pile of parts. The local dealer wants you to bring the old part in for matching, but you don’t have time for that. The aftermarket catalogs online give you a blurry picture and a part number that might be right. That’s where this Kubota KX41-2 Parts Catalog changes your day. It’s 284 pages of factory-issued exploded diagrams and part numbers, not a reprint or a scan of a scan. Every nut, every seal, every spool section is listed with the exact Kubota part number, quantity, and interchange code. No guessing if a camshaft from a different serial range will fit.

Crankshaft and Piston Group: Finding the Right Part Number

The table of contents lists a section called PISTON,CRANKSHAFT. That’s the chapter you need when the engine is apart and you’re trying to order a rod or a ring set. Each page in this catalog has a reference number that ties the picture page to the part number page. The heading at the top of the picture page is the same as the part number page, so you won’t get lost. The column headers are straightforward: Ref. No., Part No., Description, Q’ty, S.No. range, I/C (interchangeability), and Remarks. If the S.No. column says your serial number is >= the number shown, the part fits. If it says <=, same deal. And the I/C column tells you if the part swaps between old and new production. You don't need to call the dealer to decode that.

Page 3 of the catalog shows the ALL PRODUCT INDEX with item numbers for BASIC ENGINE, FUEL SYSTEM, COOLING SYSTEM, and the rest. That index is how you jump directly to the group you need. For example, the camshaft is listed under BASIC ENGINE – CAMSHAFT with the book number 100A0198. Every section in that list uses the same book number, so you know it’s all part of the same publication. That’s a detail aftermarket catalogs never give you.

Fuel System: Injection Pump and Nozzle Holder Breakdown

Under FUEL SYSTEM the catalog breaks out NOZZLE HOLDER,GLOW PLUG and then a separate section for NOZZLE HOLDER [COMPONENT PARTS]. That’s critical when you need a glow plug tip or a nozzle seat but don’t want to buy a whole holder assembly. Same for the injection pump – there’s a main section and a component-parts section. The FUEL CAMSHAFT is listed separately, which makes sense because those cam lobes wear and you replace them independent of the pump body. The catalog even lists the GOVERNOR and STOP SOLENOID with their own part numbers. If you’re doing a pump rebuild, you need the factory breakdown to order the right springs and shims.

Hydraulics: Spool Sections and Control Valves – No More Guesswork

The hydraulic system takes up a big chunk of this catalog. Sections like SPOOL SECTION (BOOM), SPOOL SECTION (BUCKET), SPOOL SECTION (TRAVEL LH), and SPOOL SECTION (TRAVEL STRAIGHT) are all listed individually. Each spool section has its own part number and quantity. If you’ve ever rebuilt a control valve on a mini excavator, you know how easy it is to mix up a boom spool with a travel spool. The catalog keeps them separate. There’s also CHANGE VALVE, MULTI VALVE, and TPSS VALVE with component parts breakdowns. The OIL PIPING sections (suction, delivery, return, travel LH/RH, swivel, swing, boom, arm, bucket, blade) are each diagrammed so you can trace a hose leak back to the exact replacement hose part number.

Source Authenticity: Why This OEM Catalog Beats Aftermarket PDFs

I’ve seen my share of aftermarket parts lists that cram a blurry picture of a Crankshaft and then give you a generic number that crosses to three different models. That doesn’t work when you need a main bearing for a specific serial range. This catalog comes straight from Kubota’s factory documentation. The page headers, the column definitions, the country codes – it’s all original. Page 1 explains how to read the interchangeability codes: a double-arrow (↔) means the part works for older and later serial numbers; a hash (#) means not interchangeable. The aftermarket manuals skip that. They also ignore the country codes. If the remarks column says “EXCEPT [FR]”, that part fits everywhere except France. That matters if you’re in the USA (code A) and you order a part intended for the Canadian market (CA) – you might get the wrong emissions component. This catalog spells it out.

Related manuals for other Kubota machines: Kubota KX41-2 Parts Catalog, Kubota V3300-T-E2B-EPS-1 Parts Catalog – 53-Page OEM Parts Breakdown, and Kubota YU4210, YW0981 Parts Catalog – 274-Page OEM Parts Breakdown.

For a broader look at how automotive and heavy equipment documentation standards work, see the Automotive Industry Overview and the same Automotive Industry Overview.

FAQ

Does this catalog include engine valve specifications like seat angles or spring pressures?

No. This is a parts catalog, not a service manual. It lists part numbers, quantities, and interchange codes for the valve and rocker arm group, but it does not include tolerances or rebuild specs.

How do I use the serial number range on each part?

Find the S.No. column on the part number page. If your machine’s serial number is greater than or equal to the number shown, the part fits. If it’s less than or equal, same deal. The I/C column then tells you if that part interchanges across range breaks. For example, a crankshaft listed with S.No. >= 10001 means it fits machines from serial 10001 and up. If the I/C shows a double arrow, the same part also works on older machines. This prevents ordering the wrong piston when Kubota made a running change.

If you need to identify parts for an engine rebuild – cylinder head, camshaft, valve train, fuel system, or the entire hydraulic stack – this catalog puts every part number on paper. Access the Factory Manual and work from the same diagrams the dealer uses.