Description

Allis-Chalmers 650, 652, 653, 655 1982 Parts Catalog – Factory OEM

If you are trying to rebuild an Allis-Chalmers 650 series crawler without the factory Parts Catalog, you are throwing time and money into a hole. Aftermarket part numbers get swapped, superseded wrong, or just plain invented. I have seen guys order a brake band based on a third-party list and end up with something that fits a Deere. That is a half-day wasted and a core charge burned. The 1982 OEM catalog for the 650, 652, 653, and 655 ends that guessing. You get the exact part number, the exact illustration, and the exact hardware list that came off the assembly line in Milwaukee.

Air Intake & Exhaust – Section Breakdown

This catalog splits the tractor into logical groups. Under “Air Intake & Exhaust” you find the air cleaner, hoses, heater switch, and exhaust extension. Each component has an item number tied to a left-page illustration. On page 51, the air cleaner assembly is drawn with every clamp and gasket called out. Need the muffler? Page 105 shows the extension and mounting hardware. Common bolts and lockwashers are listed indented beneath the parent part – read the note about ordering hardware separately. Miss that detail and you will be short a cotter pin mid-job.

How to Order Parts Correctly

Look at the foreword. It tells you to reference both the text and the illustration. The alphabetical index at the front locates major groups. Then the numerical index lists every part number with a grid location and page number. That is how you cross-check. Say you need a steering clutch component for the 652 dozer. Find “Steering Clutch” in the alphabetical index, note the page range, then flip to that section. The left page shows the exploded view. The right page gives the part number, quantity, and description. Write down the number – that is what your dealer or supplier needs. Nothing else.

287 Pages of Factory Specs

That is 287 pages of pure factory data. No condensation, no interpretation, no aftermarket reprint. Allis-Chalmers printed this in June 1982 under part number 9006632-5. The book covers the 650 Series Tractors, the 652 and 653 dozer configurations, the 655 loader, and the 650 Series Backhoe attachments. You get everything from the cooling system fan drive shaft to the final drive housing to the dozer C-frame angling arms. Every page is scanned from the original lithograph. The resolution is good enough to read the 8-point part numbers without a magnifier.

Get the Right Part Number Every Time

Do not rely on a parts guy who pulls up a generic list. With this catalog in hand – digital or printed – you verify before you order. For example, the dozer section breaks down the inside push beam (page 251) separate from the outside push beam (page 249). The grading shoe is on page 253. Ordering the wrong beam means the mounting holes do not line up. Then you are back to square one. The catalog also flags common hardware that is “NOT included unless specified” – that little detail saves a return trip to the fastener aisle.

Index Navigation: Alphabetical and Numerical

The table of contents in the scan is fully bookmarked per page. You can jump directly to any of the 287 pages. The alphabetical index runs from “Air Intake & Exhaust” to “Winch Drive.” The numerical index lists every part number in alphanumeric order. That is your safety net. If you have a part number from an old packing slip, look it up in the numerical index and it tells you exactly where it appears in the book. No flipping back and forth.

Period.
That is the whole point. You are not paying for fluff. You are paying for the original factory spec sheet that the assembly line used. Allis-Chalmers HD-6EP Parts Catalog – Factory OEM 374 Pages covers the larger HD-6 series. Allis-chalmers HD21A 1965 Parts Catalog – Factory OEM gets you into the older big iron. Allis-chalmers HD16D, HD16DC 1970 Parts Catalog – OEM Factory Specs is another essential for the mid-size crawlers. For background on why factory documentation matters, the Automotive Industry Overview explains how parts standardization evolved. Automotive Industry Overview puts the Allis-Chalmers contribution in perspective.

Does this catalog include torque specifications for assembly?

No. It is a parts catalog, not a service manual. Torque values are not listed. You need the corresponding service manual for fastener tightening specs.

How do I find the part number for a 653 dozer blade moldboard?

Open the alphabetical index and locate “Moldboards – Dozer.” That entry points to page 277. On that page, the left-hand illustration shows the moldboard assembly with item numbers. The right-hand text page lists the part number, quantity, and description for each item. Cross-check the serial number range for your dozer – the catalog may list different moldboard part numbers for early vs. late production. Always verify with the illustration, because the hardware kit (bolts, lockwashers) is listed indented and may not be included in the base assembly. Order the moldboard itself as a separate line item, then decide whether to buy the fastener kit based on your existing hardware condition. If you are unsure, call your Allis-Chalmers dealer with the part number from the catalog and your machine serial number. That is the fastest path to a correct order.

• Allis-Chalmers HD-6EP Parts Catalog – Factory OEM 374 Pages
• Allis-chalmers HD21A 1965 Parts Catalog – Factory OEM
• Allis-chalmers HD16D, HD16DC 1970 Parts Catalog – OEM Factory Specs

Stop chasing parts through forum posts and photocopied binders. Access the Factory Manual now and get the exact data that built these tractors.