Description

Perkins 2506CE15TAG2 2009 Parts Catalog – Factory Diagrams & Part Numbers

Ordering the wrong part burns time and money. I have watched guys pull a cylinder head twice because they ordered a gasket set that didn’t match the liner height. That’s a Saturday you don’t get back. This Perkins 2506CE15TAG2 2009 Parts Catalog is the only way to match the exact part number to your engine’s build list. Perkins themselves say on page 4: “Always quote your build list and engine serial number when contacting your Perkins outlet.” If you order parts by guesswork, you are wasting everyone’s time. This catalog fixes that.

Cylinder Block and Liners: Where Most Mistakes Happen

The Engine Breakdown on page 5 lists three separate “Cylinder Block, Liners & Main Bearing Kit” groups – ACHD0409, ACHS1189, and another ACHS1189. They are not the same. One covers the block cover, the other two go to different cylinder head assemblies. Without the factory parts catalog, you cannot tell which liner kit fits your serial number. The manual dedicates sections like “Cylinder Block Cover ACHD0402” on page 19 and “Crankshaft ACHD0407” on page 25. Every component gets its own illustration and part number reference. I have torqued main bearing caps on these engines, and I can tell you the difference between a dry liner and a wet liner kit is a matter of a few thou – but the part numbers are totally different. This catalog eliminates the gamble.

How to Use the Parts Index – Page 218

Do not flip through 229 pages randomly. The Parts Index on page 218 lets you search by part number or description. Need a rocker shaft assembly? Look up “Rocker Shaft Assembly ACHS1173” – it sends you to the correct page. That is how you avoid ordering a camshaft when you need a fuel pump drive. The index covers every component listed in the Parts Lists & Illustrations section starting on page 13. If you are a shop owner, hand this to your parts guy. Tell him to use the index. It saves phone calls to the dealer and cuts down returns.

Symbol Descriptions: Why They Matter

On page 11 the catalog explains its symbols. One symbol might indicate “use with” or “see also.” Another marks superseded part numbers. Aftermarket parts catalogs often leave this out or use generic icons. Perkins designed this for their own field service network. You need to know if a part is a service replacement or a factory-installed item. The symbol descriptions keep you from ordering a part that requires a different fastening kit. I have seen techs skip this page and end up with a piston ring set that didn’t match the crown profile. Read page 11 before you order anything.

229 Pages of Factory Data vs. Aftermarket Reprints

Third-party parts books copy the illustrations but drop the build list reference. They often reprint the same diagram for multiple engine builds, making you guess which one fits your 2506CE15TAG2. This catalog is the original OEM print from Perkins Engines Limited, dated 2009. It includes the front page with your specific build list number (as stated on page 4). Aftermarket versions omit that critical link. If you need to verify a part number for a cylinder head assembly – like ACHD0403 on page 21 – you want the factory source, not a copy of a copy. Check out Perkins RH38009 2004 Parts Catalog – OEM Factory Specs for another heavy-duty engine, or Perkins D3.152 2009 Parts Catalog – OEM Part Numbers and Diagrams for a smaller displacement engine. Both follow the same OEM formatting. Do not trust a reprint when your engine is on the stand.

Who Should Buy This Catalog?

If you own a Perkins-powered generator set, irrigation pump, or marine engine with the 2506CE15TAG2, you need this. Home garage guys rebuilding a six-cylinder industrial engine will find the parts index and exploded views essential. Professional mechanics working on Tier 4i or similar emissions-controlled diesels will appreciate the parts breakdown for the fuel pump drive (page 29) and rocker shaft assembly (page 31). Beginners – yes, you can use this too – because the manual tells you exactly how to identify your engine’s build list on the front page. Do not attempt to order a main bearing kit without that number. For a broader understanding of how diesel engines work, read this Wikipedia article on diesel engines or this Wikipedia article on diesel engines. But for parts identification, you need the factory catalog.

Audience Fit: From DIY to Full-Shop

A DIYer rebuilding a Perkins 2506CE15TAG2 in a home garage can use the Engine Breakdown on page 5 to find the exact section. The manual is written for technicians, but the pictures are clear. A shop with multiple Perkins engines should keep this catalog on the bench. It saves trips to the dealer and prevents ordering the wrong cylinder head gasket. The Parts Lists & Illustrations start on page 13 – each major section is broken down with callouts. You don’t need to be a Perkins specialist to read it. You just need to follow the instructions on page 4: quote your build list.

FAQ: Perkins 2506CE15TAG2 Parts Catalog

Does this catalog include torque specifications?

No. This is a parts catalog, not a service manual. Torque specs belong in the engine Service Manual. Use this catalog for part numbers and exploded views only.

How do I find the part number for a cylinder head?

Look up “Cylinder Head Assembly ACHD0403” in the Engine Breakdown on page 5. The page number 21 is listed next to it. Turn to page 21 for the illustration and individual part numbers.

Can I use this for a different Perkins engine model?

This catalog is specific to the 2506CE15TAG2 with a specific build list. Other Perkins models have different part numbers. Do not substitute. Check Perkins 5C, 6, 702, 704 Parts Catalog – OEM Factory Specs for smaller engines.

Is this a reprint or a scanned copy?

It is the original OEM PDF from Perkins, scanned from the 2009 print. No aftermarket copying. Every page is factory-sourced. Access the Factory Manual to get the real file.

Stop guessing which piston ring or main bearing fits your engine. The factory Perkins parts catalog gives you the correct part number, the right page, and the build list reference that keeps your rebuild on track. Access the Factory Manual and keep it on your shop tablet or printed out. Your wallet and your deadlines will thank you.