Caterpillar GP30 MC Forklift Service Manual (99719-34130)

A Cat GP30 MC is a counterbalanced lift truck for moving pallets and materials around warehouse floors, loading areas, and plant yards. When one is down during a shift, the maintenance tech needs the repair steps, checks, and service data to get it back into the aisle. This manual is the workshop reference for that work, including the GP30 MC and the listed GP-series variants.

What this manual helps you do

• Trace electrical circuits, switches, and wiring faults.
• Diagnose power train, transmission, brake, steering, and hydraulic problems.
• Follow removal and installation procedures for truck assemblies.
• Adjust mast, fork, steering, and other service points using the stated procedures.
• Troubleshoot faults and verify repairs before returning the truck to work.

Who this is for

This suits warehouse maintenance techs, plant maintenance staff, dealer technicians, independent forklift shops, and rental fleet mechanics. It is written for the lift-truck repair trade, with the matching engine service manual available as the companion volume for engine work.

FAQ

Q: What do I receive, and how is it organised?

A: You receive 7 PDF files split by section, with 41 pages total. The set has a real text layer, so you can search and copy text, then print or zoom the pages at the bench.

Q: Does it fit my truck variant?

A: The publication is for the Caterpillar GP30 MC and covers the listed GP15-35, GP15K-35K, GP40, GPL40, GC15-30, GC15K-30K, and GC35K-70K models. Check your truck's model plate against that range before starting the repair.

Q: How does it fit the job I'm doing?

A: This is the service manual for in-house repair, second-shift breakdowns, teardown work, adjustments, and fault tracing. Around my shop, this is the book I'd pull when a truck needs more than an operator check.

Use it to trace the fault, carry out the repair, and put the GP30 MC back into service with the workshop procedure in front of you.

Models covered by this manual

Caterpillar publication 99719-34130 is the factory service manual for the GP30 MC. The same publication covers 11 further forklift models: GP15, GP15 MC, GP18, GP18 MC, GP20, GP20 MC, GP25, GP25 MC, GP30, GP35, GP35 MC. The cover also lists 4G15, 4G63, 4G64, 6G72, GP15-35,, GP15K-35K,, GP40,, GPL40,, GC15-30,, GC15K-30K,, GC35K-70K. Check the model and serial number on your data plate before ordering.

Table of Contents:

• Screw
• Secondary cover
• Screw
• Secondary seat lever
• Fulcrum pin
• Spring
• Converter body
• Primary valve seat
• Cover plate
• Spring
• Primary cover
• Screw
• Solenoid valves (electromagnetic valves)
• Switching from [LP-gas] to [gasoline]
• Switching from [gasoline] to [LP-gas]

Caterpillar Software

Caterpillar PDF Manuals