Description

Komatsu D61PX-15E0 Parts Catalog

If you’re ordering parts for a Komatsu D61PX-15E0, you need the official factory parts catalog. I’ve been turning wrenches for 28 years, and I’ve seen more wrecked jobs from wrong parts than from bad torque wrenches. Aftermarket catalogs guess. This 607-page Komatsu D61PX-15E0 Parts Catalog doesn’t guess—it lists every nut, bolt, and seal with the correct part number and your machine’s serial number range. That’s the difference between a job that stays fixed and one that comes back on a hook.

That’s the only way to order parts.

Komatsu D61PX-15E0 Parts Catalog: Index and Part Numbers

Open this catalog and you’ll see left-page illustrations with index numbers. Right page lists part number, description, quantity per machine, and applicable serial number. The index number matches the illustration. Part numbers are the code you order by. Miss one digit and you get the wrong part. That’s why Komatsu put serial number ranges in every section. Page 1 says engine serial number 30909615 and up for the SAA6D107E-1KB-W diesel. If you’re working on a different engine, this catalog won’t apply. That’s a feature, not a bug. When you call your distributor, they’ll ask for the part number from this book—don’t try to describe the part; give them the 8-digit code. I keep a Maglite handy to read the fine print on the illustration pages.

Page 2: The Foreword – Don’t Skip This

Page 2 tells you exactly what to have ready when you call your distributor: machine serial number, engine serial number, service meter reading. I’ve had parts counter guys chew me out because I showed up with just the model number. This foreword also explains how the parts are grouped—figure numbers, assembly breakdowns with dots for subassemblies. If you skip this page, you’ll be flipping back and forth wondering why the catalog shows a part that doesn’t exist on your machine. Read it. I’ve seen mechanics burn an hour trying to find an air cleaner element because they didn’t understand the index numbering. This page saves that time.

Symbols on Page 3: Interchangeability and Discontinued Parts

Page 3 has the symbol key. Arrows pointing up mean you can substitute with the part above. Dots with slashes mean discontinued. A star (or whatever Komatsu uses) means the part is only sold as an assembly. I’ve seen guys order a single seal from a hydraulic cylinder because they didn’t see the symbol, then get stuck with a $300 assembly. You need to understand these symbols before you order anything. That page is worth the price of the manual. Using the wrong part number for a hydraulic hose could cause a burst line. I’ve seen it. The symbols on page 3 prevent that.

That page alone prevents ordering mistakes.

Why OEM Documentation Beats Aftermarket Catalogs?

Aftermarket catalogs often merge multiple models into one list. They might show a part that fits a D61PX-15 but not the -15E0, because the hydraulic system changed. This OEM parts catalog is specific to your machine. It’s from Komatsu, not a third party who scanned a copy and ran OCR over it. The part numbers are verified against factory drawings. When I need a steering clutch piston for a D61PX-15E0, I don’t rely on a generic book. I use this. If you want to understand the diesel engine itself, you can read this Wikipedia article on diesel engines, but for parts ordering, stick to factory data. Here’s another Wikipedia link if you prefer: this Wikipedia article on diesel engines.

607 Pages – How to Navigate Efficiently

You get 607 pages. That’s a lot of paper, but it’s organized by system groups. You don’t flip randomly. Each section starts with a figure number. Find the system (engine, transmission, undercarriage) then look for the illustration. The index numbers go sequentially. You can cross-reference part numbers across sections—some parts appear in multiple assemblies. The catalog also lists optional equipment and attachments. If your machine has a blade control option, you’ll find those parts here too. Don’t lose this manual; you’ll need it every time you order parts for this dozer. I keep mine in a weatherproof binder on the shop shelf.

Related Manuals for Other Komatsu Models

• FAI Komatsu 67-80DT Parts Catalog – OEM Hydraulic Steering Piston List
• Komatsu WH609-1 WH613-1 Parts Catalog | 347 Pages OEM
• Komatsu PC14R Parts Catalog – Order Correct Parts Fast

Can I use this catalog for a D61PX-15 (non-E0)?

No. The E0 suffix means different transmission and undercarriage parts.

What engine does this cover?

This covers the SAA6D107E-1KB-W diesel engine, serial number 30909615 and up. It’s a 6.7-liter turbocharged diesel.

Are part numbers in this catalog still current?

Komatsu updates part numbers over time. This catalog may have superseded parts indicated by symbols. If you see a part marked with an arrow pointing up, the line above is the current part. If you see a line with a dot, that part is discontinued and the description line shows the replacement. Always check with your Komatsu dealer for the latest supersession. The catalog also shows interchangeability—some parts can be used in place of others. This is why you need the factory catalog and not a reprint. I’ve seen too many guys order a part number that was superseded three years ago because they used a photocopy.

Does the catalog include torque specs?

No. This is a parts catalog, not a service manual. It lists what to order, not how to install. You need the service manual for torque values and procedures.

If you’re serious about keeping your D61PX-15E0 running without downtime, you need the factory parts numbers. Guessing costs time and money. Access the Factory Manual and keep it on the bench next to your torque wrench.