Caterpillar EC25EN Forklift Service Manual (99759-6K110)

This Cat electric counterbalanced truck is the sort of lift you'll find moving pallets around a warehouse, loading area, or plant floor. In my shop, a technician reaches for the service manual when the truck needs diagnosis, adjustment, or repair rather than routine operation. It's for getting an EC25EN back to work without guessing at the system or tearing into parts blindly.

What this manual helps you do

• Trace wiring, switches, sensors, and electrical faults through the truck circuits.
• Diagnose the traction motor, controller, charging system, and drive functions.
• Follow procedures for hydraulic components, steering, brakes, mast, and forks.
• Adjust and troubleshoot lift, tilt, travel, and control systems.
• Verify service data while repairing or rebuilding major truck assemblies.

Who this is for

This suits a warehouse maintenance technician, dealer technician, rental fleet mechanic, plant maintenance team, or independent forklift repair shop. It is a workshop service manual for the Cat electric counterbalanced trade. The operator handbook is the companion volume for daily controls and operation, and is also available.

FAQ

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

A: You receive 2 separate Cat publications in a set, delivered as 16 PDF files split by section, with 427 pages total. The PDFs have a real text layer, so you can search and copy text, then print or zoom sections at the bench.

Q: Which trucks does it fit?

A: The manual identifies EC15N, EC18N, EC20N, EC25N, EC25EN, EC25LN, and EC30N models. That puts your EC25EN inside the stated model coverage.

Q: How does it fit the repair job?

A: Use it for workshop diagnosis, electrical troubleshooting, hydraulic and mast work, steering, braking, and drive-system repairs. The matching engine-related material is supplied as part of the two-publication set where applicable.

If your truck is an EC25EN or one of the listed related models, this is the service set to keep beside the toolbox for in-house repairs and fault finding.

Models covered by this manual

Caterpillar publication 99759-6K110 is the factory service manual for the EC25EN. The same publication covers 6 further forklift models: EC15N, EC18N, EC20N, EC25LN, EC25N, EC30N. Check the model and serial number on your data plate before ordering.

Table of Contents:

• N·m
• V, 48 V
• Turning on key switch in RUN mode
• Setting SUO #1 (checking and changing data)
• N-m (3.5 kgf-m) 34.8 ft-lb
• N-m (7.1 kgf-m) 51.4 ft-lb
• N·m for UVW
• Pump Motor Over-current (Transistor Control Type Only) …. 2 – 31
• Pump Contactor Fault (Contactor Control Type Only) ………. 2 – 40
• Pump Motor Open (Transistor Control Type Only) …………….. 2 – 45

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