Caterpillar EP20K PAC Forklift Service Manual (99759-6A110)

An EP20K PAC is an electric counterbalanced forklift for moving pallets and loads around a plant, warehouse, or yard. I'd reach for this service manual during a weekend repair window when the truck has to go back into service and the shop needs proper test and adjustment procedures. It is written for technicians working on the truck, not for daily operator training.

What this manual helps you do

• Trace electrical circuits, switches, sensors, and controller wiring.
• Diagnose traction motor, controller, brake, steering, and hydraulic faults.
• Follow procedures for removing and installing major truck assemblies.
• Adjust and verify mast, fork, steering, brake, and hydraulic systems.
• Troubleshoot the power train and use service data during repairs.

Who this is for

This suits a plant maintenance technician, warehouse maintenance tech, dealer technician, independent forklift repair shop, or rental fleet mechanic working on Cat electric trucks. The operator handbook is the companion volume for driving and daily checks, while this manual is the workshop repair reference.

FAQ

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

A: You receive a set of 2 Cat publications delivered as 18 PDF files split by section, with 486 pages total. The files have a real text layer, so you can search and copy text, as well as print or zoom the pages.

Q: Which trucks and serial ranges does it cover?

A: It covers Cat EP20K, EP25K, EP30K, and EP35K models, including ETB8C and ETB9C trucks in the listed production ranges. That gives you a clear match for the EP20K PAC family.

Q: How does it fit the repair job?

A: This is the workshop-level manual for diagnosing and repairing the truck's electrical, traction, steering, brake, hydraulic, mast, and fork systems. It gives the plant shop a practical reference when nobody else knows the truck.

For the listed Cat EP20K PAC family, this is the service-manual set to use for in-house fault finding, adjustment, and repair work.

Models covered by this manual

Caterpillar publication 99759-6A110 is the factory service manual for the EP20K PAC. The same publication covers 3 further forklift models: EP25K PAC, EP30K PAC, EP35K PAC. The cover also lists EP20K, EP25K, EP30K, EP35K. Check the model and serial number on your data plate before ordering.

Table of Contents:

• N·m
• Parking brake switch
• Brake fluid level sensor
• FC armrest (FC only)
• Controller cooling fan
• Controller assembly
• Contactor assembly
• Traction motor
• Traction motor thermal and speed sensor
• Pump motor
• Pump motor thermal and speed sensor
• Steering pump motor
• Differential assembly
• Output gear
• Ball bearing
• Ton Class and 2.5 Ton Class
• Ton Class and 3.5 Ton Class

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