Description

Case 2510 Cruz-Crane 1977 Parts Catalog – OEM Factory Part Numbers for the 362-Page Manual

You’re rebuilding a Case 2510 Cruz-Crane 1977 Parts Catalog machine, and you need the correct part number for a hydraulic pump disconnect shaft. You can call the dealer and hope somebody reads the right microfiche, or you can have the factory manual open on your workbench. I’ve been turning wrenches for 28 years, and I’ve seen too many guys order the wrong pin because they trusted an aftermarket parts list. This 362-page catalog is the real deal – original OEM Case documentation from 1977. It covers the 2510 Cruz-Crane with both engine options: the CUMMINS NH-230 and the DETROIT DIESEL 6-71. No reprints, no third-party edits. Just factory line drawings and part numbers that match what Case shipped.

What This Catalog Covers – From Chassis to Upper Structure

Open the Table of Contents on page 1 and you see the thing is organized like a real shop tool. The GENERAL section runs pages 1 through 5 and includes nomenclature – so you learn what Case called every part. Then CHASSIS AND ATTACHING PARTS (pages 6–14) digs into the carrier platform, splash guards, spare tire mounting. The hydraulic pump disconnect drive shafts are listed separately for the CUMMINS and DETROIT engines. That matters because the Detroit 6-71 uses a different shaft than the Cummins. Page 104 shows the main hydraulic pump assembly. If you’re chasing a leak or swapping a pump, you need the page reference because the parts are keyed to the illustrations.

Engine Options: Cummins NH-230 and Detroit Diesel 6-71

The 2510 Cruz-Crane came with two engine choices. This catalog breaks down the accelerator linkage, shut-off controls, and mounting parts for each. For example, the accelerator hydraulics for the Cummins are on pages 79–81; the Detroit setup is on pages 82–83. I’ve helped a buddy retrofit a junkyard Detroit into a 2510 that originally had a Cummins, and the catalog made it clear which brackets and bellhousings were different. Without this, you’re guessing – and that costs time and money. The Engine section also covers the air shut-off solenoid on page 89.

3 Reasons to Use an OEM Parts Catalog Instead of Aftermarket

First, the illustrations. Aftermarket parts catalogs often redraw the diagrams and lose detail. This OEM version shows every washer, seal, and retaining ring in the correct orientation. Second, the part numbers are the genuine Case numbers – no cross-reference that may have changed. Third, the page references are keyed to the actual machine build. For example, the swing reducer identification page (70) and the swing reducer parts (70A–70G) are unique to the 2510. Aftermarket catalogs sometimes skip those supplements. You want the original.

Boom and Winch Components – Pages 15 Through 78

This section covers the 32-foot to 80-foot main boom, jib sections, boom head block, and all the winch controls. Functional controls for auxiliary winch (pages 46–48), crowd (30–33), hoist (34–37), main winch (42–45), swing (38–41), and winch freefall (49–50). If you’re rebuilding a winch brake, the parts breakdown shows the friction discs, springs, and seals by part number. The boom angle indicator is on pages 77–78. The cab section (22–28) includes insulation, window frames, and wiper motor parts. One guy I know ordered a windshield gasket from a generic supplier and it didn’t fit the 2510’s curved glass. Factory catalog shows the correct gasket profile.

Hydraulic Circuits and Fittings – Pages 99 Through 123F

Hydraulics on the 2510 are split into lower and upper circuits. Lower hydraulics cover pump-to-swivel and reservoir lines (pages 99–105). Upper hydraulics go into crowd, hoist, swing, dual flow, and freefall circuits. Page 117 covers the dual flow valve – critical if you’re retrofitting or troubleshooting a sluggish function. The catalog shows each fitting and o-ring part number. Aftermarket diagrams often combine fittings into generic groups; this one lists the exact thread and seat type. When you’re working with 3000-psi oil, the wrong o-ring blows out fast. Don’t chance it.

Frequently Asked Questions

Does this parts catalog include torque specs for bolts?

No. This is a parts catalog, not a service manual. It lists part numbers and exploded views. For torque values you need the factory service manual.

Can I use this catalog to identify parts for a 1978 or 1979 2510 Cruz-Crane?

Case made running changes. This 1977 catalog covers the S406183M2 revision. Some parts carry over, but if the machine has a later serial number you may need a later supplement. Check the serial number against the model year.

What engine options are covered in the catalog?

Two engines: the CUMMINS NH-230 Diesel and the DETROIT DIESEL 6-71. Each has separate sections for the hydraulic pump disconnect drive shafts, accelerator linkage, and shut-off controls. The Detroit page references are marked with an asterisk in the TOC.

How do I read the part number index if I only know the description?

Flip to the Parts Section Introduction on page 4. It explains the numbering system and how to cross-reference the illustration callouts with the master parts list. Every numbered item in the drawing has a corresponding entry with the part number, quantity, and usage code.

You’ve got a 2510 Cruz-Crane sitting in the yard with a bad swing motor seal. You could tear it down, measure the old seal, and hope the local hydraulic shop has something close. Or you could have the factory catalog open to page 118, read the part number for the swing motor seal kit, and order the exact Case part. That’s the difference between one job and two. Whether you’re a home garage enthusiast or running a six-bay shop like mine, the right documentation keeps the machine running and the customers happy. Access the Factory Manual from AutoRepairManuals and put the guesswork on the shelf where it belongs.

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