Description

Liugong CLG904C Parts Catalog – Factory Documentation for the 67510-Up Machines

If you’re ordering parts for a CLG904C and relying on a third-party parts list, you’re asking for mismatched threads and expensive return shipping. I’ve seen it happen. A guy orders a hydraulic cylinder seal kit from some online parts house, gets it in, and the bore is 0.020″ off. Now the machine sits. That’s wasted billable time. The factory Liugong CLG904C Parts Catalog kills that problem cold. 323 pages of OEM part numbers, supersession codes, and exploded views that match what came off the assembly line. No guesswork, no callbacks.

Let me walk you through what this document actually does on your bench. I’m Mike Callahan, and I’ve been wrenching on heavy equipment long enough to know that the only parts catalog worth a damn is the one the factory printed. Aftermarket catalogs? They flip drawings from the original, leave out revision letters, and often list part numbers that were obsolete ten years ago. This Liugong publication is the real deal – direct from the manufacturer.

Serial Number Range and Machine Coverage

This manual covers CLG904C hydraulic excavators with serial number 67510 and up. That’s a specific production run. If your machine’s plate shows a lower number, you need a different edition. The title page states “S/N 67510-Up” and includes two separate machine identification codes: 04F00130012B000 and 04F00130016B000. Before you order, verify your PIN against those numbers. One wrong digit and the boom cylinder you need might have a different port thread. Page 1 shows the full header – check it before you go further.

323 Pages of Factory Exploded Views

Every assembly in this catalog is laid out in exploded-view format. Engine, hydraulic pumps, swing gearbox, final drives, undercarriage, bucket linkage – it’s all there. Each illustration has numbered callouts that tie directly to the parts list on the facing page. The part numbers are formatted as alphanumeric codes (e.g., 45E0575 004 DECAL). The “VER” column starts at 000 and increments to 001, 002 if the part was revised. That’s how you catch supersessions before you order. If you don’t check VER numbers, you could order a part that was replaced ten upgrades ago. Automotive Industry Overview

Decode the Service Codes

The manual includes a full legend of Service Codes (S.C.) on page 3. This is where most DIYers trip up. You see a “W” next to a part and think it’s a regular bolt. Wrong. W means machining required before installation. “H” means an accurate part – consult a dealer before removing or repairing it. “D” means the part is not sold separately – it’s an assembly only. “K” means the part is in the spare parts box. I’ve watched guys throw away a “K”-code part because they didn’t know it was supposed to be with the machine. Read that legend. It’s three pages of explanation, and it’ll save you a trip to the dealer. Automotive Industry Overview

Part Number System: What the Codes Mean

Liugong uses a standard numeric prefix followed by a four-digit suffix. The part name column tells you exactly what it is – no fuzzy descriptions. The Qty column shows the total number of that part used in the illustration – not per machine, per assembly. If a part is optional (OP), oversized (OS), or undersized (US), those are listed below the standard part. This is critical when rebuilding a hydraulic cylinder that’s been honed oversize. You need that OS piston ring, not the standard one. The manual marks those clearly.

Interchangeability and Supersession Data

The IA column on each page tells you if a part can be swapped with another. “I” means the replaceable part can be used instead of the listed part (but not vice versa). “J” is the reverse – the listed part can replace the other. “P” means do NOT use this part; use the one in the replaceable column instead. Miss that, and you’ll bolt on a cylinder that doesn’t stroke correctly. This kind of detail is why you buy factory documentation, not a pirated PDF with watermarked scans.

Who Should Buy This Catalog?

If you own a Liugong CLG904C and you do your own maintenance, this is the only parts book you need. Home garage guys, small fleet operators, even dealer parts counter staff – everyone benefits from having the official document on screen or paper. The exploded views are clean, the part numbers are verified, and the service codes remove ambiguity. I’ve used factory parts catalogs for twenty-eight years. Aftermarket versions cause more problems than they solve. Period.

Frequently Asked Questions

Does this catalog cover the entire machine, including engine and hydraulics?

Yes. It covers every assembly on the CLG904C excavator.

How do I find a part number if I don’t know the assembly name?

Use the index at the back. The index lists every part name alphabetically and gives you the page number. Once you’re on the right page, cross-reference the item number with the illustration. If the part has been updated, the VER column will show the latest revision. Also check the IA column – if there’s a “J” or “I” code, you can use a different version of the part. But pay attention to the direction of interchangeability. Ignore that, and you might buy a part that cannot be installed without machining.

Are dimensions provided for each part?

No. This is a parts identification catalog, not a service manual. It gives you part numbers, quantities, and service codes. For dimensions or torque values, you need the service repair manual. Those are listed separately on AutoRepairManuals.

Can I use this for an older serial number than 67510?

No. The catalog is specific to S/N 67510-Up. Older machines may have different part numbers for the same assembly. Using this catalog on an earlier machine risks ordering the wrong components. Check your machine’s PIN before purchasing.

This catalog doesn’t sit on a shelf and collect dust. It’s a working document that keeps your CLG904C running with the right parts the first time. Access the factory manual and get the exploded views, part numbers, and service codes that match your machine’s build sheet.