Description

John Deere 950J 2007 Parts Catalog

If you’re ordering parts for a John Deere 950J 2007 Parts Catalog (PC9550, Feb-07), you need the factory breakdown – not a third-party reprint that guesses part numbers. I’ve seen two shops tie up a dozer for a week because they ordered the wrong track chain carrier roller from a generic catalog. This is 466 pages of OEM data straight from Deere & Company. Each part is keyed to a serial number range, so you don’t waste money on stuff that doesn’t fit. Track frames, chains, rollers, idlers, pivot shafts – it’s all grouped under the same section codes you’d find in the dealer system. No reprints. No copy. Factory original.

Track Frame and Track Chain Tension Adjuster: What’s Here

Section 0131 covers the entire undercarriage frame. The table of contents lists five distinct illustration groups for the track frame and tension adjuster – each with its own key number and part description. Page 3 of the catalog shows the serial number plate locations, which is the first thing you check before ordering any tension adjuster components. If you skip that step, you’ll end up with the wrong adjuster seal kit. I’ve got a 950J in my shop right now that had a blown tensioner because someone used an aftermarket rebuild instead of looking up the correct OEM part number from this catalog.

Track Chain Assembly and Drive Sprockets

Section 0132 breaks down the chains, shoes, and sprockets. Seven sub-groups including LGP (Low Ground Pressure) track chain assemblies. Each assembly is listed with a start and end serial number – don’t ignore those. The drive sprocket illustrations include bolt patterns and part numbers for both standard and LGP configurations. Related manual: John Deere 2130 Parts Catalog – Factory Specs for Correct Part Identification covers a different platform but follows the same serial-number indexing logic. If you’re also working on a smaller Deere, that catalog uses the same part numbering conventions.

Rollers and Carrier Rollers: Don’t Guess the Part Number

Section 0133 lists every track roller and carrier roller with its own key number. There are four separate illustrations for the track roller alone – each one corresponds to a different roller design used over the 950J production run. If you don’t have the machine’s serial number handy, you cannot pick the right part from this section. The catalog tells you exactly which roller goes on which range. I’ve seen guys order a carrier roller from a generic list and then try to hammer it onto a different spool. Don’t do that. For further reading on diesel engine fundamentals that apply to this machine’s powerplant, see this Wikipedia article on diesel engines.

Serial Number Locations: Get This Right First

Page 4 of this John Deere 950J Parts Catalog shows exactly where to find the two serial number plates – one for the PIN on the left side of the frame in front of the engine door, and one for the engine on the intake manifold. The catalog even tells you that left/right/front/rear are defined by the direction of forward travel. Ignore that and you’ll be looking on the wrong side. The serial number listing information on page 5 explains how to read ranges: “000000-” means from that number forward, “-000000” means up to that number. Box-enclosed illustrations in the parts list show service assemblies – order those as a unit, not individual pieces.

Why OEM Parts Catalog Beats Aftermarket Reprints

Aftermarket “parts books” often compress multiple years into one table, changing part numbers without warning. This catalog was published February 2007 and is specific to the 950J crawler dozer manufactured 2006 onward. Every part number was correct at publication. Deere & Company reserves the right to change specifications, so if you’re ordering from a reprint that copies data from five years earlier, you’re gambling with your machine’s downtime. This catalog includes the full 466 pages – no missing sections, no blurred illustrations. For another Deere model with the same indexing system, see John Deere 4500, 4600, 4700 2000 Parts Catalog – OEM Grid Index. And the John Deere 9400, 9100, 9200, 9300 Parts Catalog – OEM Factory covers larger dozers using identical section-number conventions.

Frequently Asked Questions

Does this catalog include engine part numbers?

No. This is a chassis and undercarriage parts catalog only – engine parts are in a separate manual.

How do I find the correct part for my machine’s serial number?

Locate the product identification plate on the left side of the frame in front of the engine door. Write down the full 8-digit PIN. Then find the section for the part you need (e.g., 0132 for track chain). Look at the “SERIAL NUMBER” column in the parts list. If your PIN falls between the start and end numbers listed for a given key number, that’s the correct part. If the column shows “000000-” it fits all machines. If it shows a range like “100000-200000”, only those machines use that part. Always verify – I’ve seen a 950J with a PIN just outside the range get the wrong sprocket because the mechanic assumed it was included.

Can I use this catalog for a 950J manufactured after 2007?

Only if your machine’s serial number falls within the listed ranges. Deere may have updated parts after 2007.

What’s the difference between a parts catalog and a service manual?

A parts catalog lists part numbers and illustrations for ordering. A service manual gives repair procedures. You need both.

You’ve got a 950J that needs parts. Stop chasing down wrong numbers from online forums or reprint sites. this Wikipedia article on diesel engines won’t tell you the part number for your track adjuster seal. This catalog will. Access the Factory Manual, get the OEM part numbers, and keep that dozer moving.