You’ve got a Clark-hurth 180 III Michigan Tractor Dozer from 1966 sitting in the yard, and you need parts. Not “close enough” parts. Not “this might fit” parts. You need the exact piece that keeps this machine running without a half-day of return calls to the supplier. That’s what this Parts Catalog delivers – 386 pages of factory-sourced numbers, diagrams, and specs that Clark Equipment Company printed in 1966. It’s the same binder the dealer’s parts counter used.
Page 1 lists the machine serial numbers this manual covers: Cummins 3LC101→3LC999, G.M. 3LG101→4035B101 FSC. If your dozer falls in those ranges, this catalog applies. If it doesn’t, you need a different book.
What the 386 Pages Cover
This is a parts catalog, not a service manual. Every page breaks down assemblies – engine, transmission, final drive, undercarriage, hydraulics – with part numbers, quantities per machine, and illustrations. You won’t find torque specs or rebuild procedures here. You get the exact factory part number for that seal, gear, bearing, or hose that’s leaking or broken. When you call the distributor, you read them the number from this book.
Verify Your Serial Number on Page 1
Page 1 includes a blank line for recording your machine serial number. The manual already specifies which serial ranges it covers. If you skip this step, you risk buying parts for a different engine or configuration. I’ve seen guys order a water pump for a Cummins when their machine had a GM 3LG – that’s a wasted week.
Check the serial number first. Page 1 is your starting point.
3 Reasons to Choose OEM Parts Catalogs
First, aftermarket parts catalogs often contain photocopied or redrawn illustrations that lose resolution, making part numbers hard to read or misaligned. I’ve seen counterfeit catalogs where a “5” looks like a “3” – that’s a $200 mistake. Second, the original 1966 print includes the warranty and improvement notes on page 3 – Clark’s policy on defects and design changes (revised May 1, 1966). That information is critical when you’re trying to determine if a later supersession applies to your machine’s serial number range. Without it, you might order a part that was redesigned three years later and doesn’t fit your early 180 III. Third, the layout is consistent: every illustration has a figure number, reference numbers, and a table of part numbers with descriptions. You don’t waste time cross-referencing guesswork – the numbers are right there next to the drawing.
Warranty and Improvement Notes: Page 3
Page 3 contains the full warranty statement from Clark Equipment Company. It covers six months or 1,000 hours, whichever comes first. It also states that Clark reserves the right to make design changes without obligation to update machines already in service. If you’re trying to determine whether a later part will fit your early 180 III, those improvement notes are critical. They’re not in any third-party reprint.
Who Needs This Clark-hurth 180 III Parts Catalog?
DIY mechanics rebuilding an old Michigan dozer. Small equipment rental yards maintaining their fleet. Wrench turners who’ve been burned by aftermarket catalogs with wrong numbers. If you own a 180 III and want to order parts without calling the dealer every time, this book saves you money. It’s also useful for verifying that a used part you found is the correct one.
Related manuals you might need:
- Clark Model 180 III Michigan Tractor Dozer Parts Manual
- Clark-hurth L320 1991 Parts Catalog – 690 Pages OEM Specs
- Clark-hurth 85III 1965 Parts Catalog – Factory OEM Specs
For broader context on heavy equipment, see the Automotive Industry Overview and the engineering behind Internal Combustion Engine power in these machines.
Frequently Asked Questions
- Does this parts catalog include torque specs?
- No. It’s a parts catalog, not a service manual. You need the service manual for torque values and procedures.
- Can I use this catalog to rebuild the transmission?
- No. The catalog only lists part numbers and exploded views. You’ll need the service manual for disassembly and assembly steps. However, the exploded views help identify every part inside the transmission before you order seals and bearings.
- What if my serial number is outside the ranges listed on page 1?
- If your machine serial number falls outside the ranges listed on page 1 (Cummins 3LC101→3LC999, G.M. 3LG101→4035B101 FSC), this catalog does not apply. You will need to locate the correct parts catalog for your specific serial number range. Using the wrong catalog can lead to ordering incorrect parts – for example, a different final drive ratio or engine configuration might use different bearings, seals, or gears. The only way to be sure is to get the factory manual that matches your machine. Clark-hurth produced many variations of the 180 III, and the parts catalogs are serial-number-specific. Don’t assume all 180 III machines share the same parts. That assumption will cost you time and money. Check the serial number plate on your machine, often located on the left side of the frame or near the engine block, and compare it to the list on page 1. If there’s no match, this is not your manual.
- Is this a digital download?
- Yes. You receive a high-resolution PDF of the original 1966 factory print. It is the direct OEM file, not a reprint or copy.
Don’t tie up your machine waiting for the wrong part. Download the Factory Manual and get the exact part numbers from the source Clark Equipment Company printed in 1966.
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