Description

Dynapac CA 25 1985 Parts Catalog

If you’ve ever ordered a part for a Dynapac roller only to find it doesn’t fit because the part number was wrong – or worse, had a new part fail because it wasn’t the right revision – you know the headache. This is the factory spare parts catalog, not some aftermarket PDF that renumbers everything and leaves you guessing. 240 pages of OEM exploded views and part numbers, direct from Dynapac, for the CA 25 Series 2 vibratory roller. Covers serial numbers 4143 to 4310. Three engine families: Caterpillar D320B, Deutz F6L 912, and Detroit 3-53 (also Detroit 4-53). If you’re tearing down a CA 25 to rebuild it, you need this catalog on the bench next to the service manual. Ordering the wrong bearing or seal wastes a day – and your customer’s machine stays down.

Frame Group: Frames, Scrapers, and Steering Link

Everything starts with the frame. The catalog breaks down the frame into subassemblies: frames, tractor upper section, scrapers, and steering link. Each exploded drawing shows every bolt, bracket, and bushing with a reference number. Cross that reference to the parts table, and you get the exact OEM part number. No generic substitution. You need a scraper blade for a CA 25 with Detroit 3-53? The drawing shows which one fits. The sections are organized by group – group number appears in the top-right corner of each page. Dynapac CA 25 Parts Catalog will walk you through the group system.

Engine Group: Caterpillar D320B, Deutz F6L 912, Detroit 3-53

Three different engine options are covered separately. The Engine section includes the long block, then branches out into cooling, air cleaner, fuel system, exhaust system, and hydraulic pump gearing. Each engine gets its own subsection. You won’t mistake a Caterpillar water pump for a Deutz pump – the drawings and part numbers are unique. The Cooling system pages list radiators, fan drives, and hoses per engine model. Same for Fuel system: injection lines, filters, lift pumps. The manual doesn’t assume one size fits all. Dynapac CA 25 Spare Parts Catalogue includes the same breakdown in multiple languages (English, German, French, Spanish) – useful if you’re swapping parts with a shop that speaks a different language.

3 Transmission Subassemblies Detailed

The Transmission group covers wheel end, rear box and wheel axle, plus three-speed gearbox options: Funk, Renondin, and the Renondin disc brake version. Also included: differential carrier and brake assembly. Each subassembly has its own exploded view and parts list. If you’re rebuilding the rear axle, you’ll find the planetary gearing section with every gear, shim, and bearing spelled out. The catalog uses a quantity column that tells you exactly how many of each part you need per machine type. No guesswork. Dynapac CA 25 Series Spare Parts Catalog – Section: Group 9 Equipment covers the additional attachments if your machine has them.

How the Group System Saves You Time

This isn’t a pile of random pages. Dynapac uses a group system common across all their spare parts catalogs. The table of contents lists every group with a picture of the machine. Each group starts with its own contents. The parts tables show reference numbers that match the exploded drawing. An asterisk (*) next to a reference number means that item was changed in this issue (revised June 1, 1985). When you order a part, you quote the part number from the table – not the reference number. The numerical index at the back of the catalog lists every part number with the group and page where it appears. If you have a part number from a previous order, you can look it up in seconds.

Why Factory OEM Documentation Beats Aftermarket Reprints

Aftermarket catalogs often redraw the illustrations, renumber the references, and drop the Dynapac-specific part numbers. You end up with a diagram that looks similar but the part number you order is wrong. This is a direct scan of the original Dynapac spare parts catalogue, order number 829020. The images are clear, the text is legible, and the part numbers are the ones Dynapac stamped on the parts. Dynapac built the CA 25; they know what fits. Don’t trust a third-party compilation that hasn’t been verified against a real machine. I’ve seen too many mechanics order a seal kit that doesn’t match the bore because the aftermarket catalog grouped all CA models together. Use the factory source. For more on why factory specifications matter across the industry, see this Automotive Industry Overview – same principle applies to heavy equipment.

Does this parts catalog include torque specs?

No. This is a parts catalog, not a service manual. Torque values and repair procedures are in the Dynapac CA 25 service manual.

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

Start by confirming your serial number falls within 4143 to 4310. Then locate the assembly group (e.g., Engine, Cooling). Find the exploded drawing for your specific engine model. Note the reference number on the drawing, then read across the table to get the part number. Use the numerical index in the back if you already have a part number and need to know where it goes. Pay attention to asterisks – they mark revisions. If your machine has an updated part, the asterisk tells you the catalog reflects that change.

Will this work for a CA 25 Series 1?

No. This catalog is for Series 2, serial numbers 4143 to 4310. Earlier series have different frames, engines, and transmission setups. Order the correct catalog for your series.

Are aftermarket equivalent part numbers listed?

Only OEM Dynapac part numbers appear. If you need a cross-reference to aftermarket brands, you’ll have to look elsewhere. This catalog is for ordering genuine Dynapac parts directly.

240 pages of factory-correct part numbers, exploded drawings, and a numerical index. If you’re rebuilding a CA 25, you’re wasting time every time you guess the part. Access the Factory Manual and get the right part the first time.