Case Vestrum 120 ActiveDrive 4 Tractor Service Manual (91734350) (September 2021)

Out in the field or around the yard, this Vestrum 120’s usually on loader work, mowing, hauling, maybe a bit of tillage—dust, mud, cold starts, the whole mix. This service manual helps you trace faults step by step so you don’t just throw parts at a problem. Say the tractor won’t move right after you shift; instead of guessing at the transmission, you’ll follow a sequence: check linkages, verify pressures, test sensors, and only then decide what’s actually bad.

Applications & Use Cases

• Track down hydraulic issues by following the test sequence, so you can isolate if it’s a valve, pump, or just a bad coupler.
• Chase electrical gremlins by learning where to probe, how to route checks through connectors, and when to suspect a controller.
• Verify transmission and ActiveDrive 4 concerns with proper pressure tests before you split the tractor or order big-ticket parts.
• Inspect and align steering, 4WD, and axle components using the same steps a dealer tech would typically follow.
• Bleed brake and clutch circuits correctly, then re-check operation so you don’t have a soft pedal come back on you.

FAQ

Q: Is this a PDF I can search on my laptop or phone?

A: It’s usually a searchable PDF; you can jump to sections and use keywords to find systems fast.

Q: Can I print just the pages I need for the shop?

A: Yes, most folks print the current job’s procedures and wiring so they can mark them up and not wreck their device.

Safety Note

Always support the tractor securely and bleed off hydraulic pressure before you inspect or remove any under-carriage or loader components.

Case Vestrum 120 ActiveDrive 4 Tractor Index:

• Contents
• INTRODUCTION
• Engine – 10
• Clutch – 18
• Transmission – 21
• Four-Wheel Drive (4WD) system – 23
• Front axle system – 25
• Rear axle system – 27
• Power Take-Off (PTO) – 31
• Brakes and controls – 33
• Hydraulic systems – 35
• Hitches, drawbars, and implement couplings – 37
• Frames and ballasting – 39
• Steering – 41
• Wheels – 44
• Cab climate control – 50
• Electrical systems – 55
• Front loader and bucket – 82
• Platform, cab, bodywork, and decals – 90
• SPECIAL TOOL INDEX

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