Caterpillar GP30K MC Forklift Service and Schematic Manual (99719-61120)

If your truck is a Caterpillar GP30K MC and its serial falls within ET13D-55001-up, ET14C-55001-up, ET31A-50001-up, ET16B-55001-up, ET31A-75001-up, or ET16B-75001-up, yes, this is the manual set to buy. This is the counterbalanced truck manual used when a GP30K is earning its keep on a warehouse floor or yard. Around my shop, technicians reach for this kind of book when they need to find a fault, set an adjustment, or tear into a truck instead of guessing.

What this manual helps you do

• Trace electrical circuits and schematic connections during fault finding.
• Diagnose hydraulic, steering, brake, and power-train problems.
• Follow removal, inspection, adjustment, and installation procedures.
• Rebuild truck systems, including the mast, axle, transmission, and hydraulic components.
• Verify service data while repairing the GP30K MC and its related engine systems.

Who this is for

This suits an independent forklift shop, dealer technician, rental fleet mechanic, or plant maintenance tech who repairs Cat counterbalanced trucks. The operator handbook and companion chassis or engine publications are also available for the related day-to-day operating and engine-specific work.

FAQ

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

A: You receive 16 PDF files totaling 349 pages, split by section. The set contains two separate Cat publications, and sections can be printed or viewed at different zoom levels.

Q: Will it fit my truck variant?

A: It fits the GP30K MC serial coverage listed above and is part of the GP/DP15K through GP/DP35K family shown on the manual cover. Match the truck model and serial before opening the repair job.

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

A: It is a workshop service and schematic set for diagnosis, adjustment, repair, and rebuilding. That makes it the right working reference for keeping a GP30K MC in service.

For a matching GP30K MC, this gives your shop the repair procedures, schematics, and service data needed to get through real jobs.

Models covered by this manual

Caterpillar publication 99719-61120 is the factory service and schematic manual for the GP30K MC. The same publication covers 9 further forklift models: DP15K MC, DP18K MC, DP20K MC, DP30K MC, GP15K MC, GP18K MC, GP20K MC, GP25K MC, GP35K MC. The cover also lists GP35K, DP35K, GP15K, DP15K, GP18K, DP18K, GP20K, DP20K, GP25K, DP25K, GP30K, DP30K, GP15K,, GP18K,, GP20K,, GP25K,. Check the model and serial number on your data plate before ordering.

Table of Contents:

• 99719-61120 – Chassis, Mast & Options Service Manual
  • Foreword
  • General Information
  • Cooling System
  • Electrical System
  • Power Train
  • Powershift Transmission
  • Front Axle and Reduction Differential
  • Rear Axle
  • Brake System
  • Steering System
  • Hydraulic System
  • Mast and Fork
  • Service Data
  • Options

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