New Holland E37C Mini Excavator Service Manual

Running an E37C, you’re usually in tight sites—trenching around utilities, grading next to buildings, loading trucks in mud or dust. This service manual is what I’d pull out when a job-stopper shows up and I need a clear path from symptom to fix. For example, if the boom starts drifting down under load, this book guides you through checking the hydraulic side step by step instead of just throwing parts at it. It’s laid out so you can strip, inspect, and reassemble systems in a logical order and verify your work before you send the machine back in the trench.

Applications & Use Cases

• Track a hydraulic fault from slow functions to a specific valve, line, or actuator using systematic test procedures.
• Plan a teardown of components like travel motors or swing gearboxes so nothing extra has to come back off.
• Adjust controls and linkages after replacing pedals, joysticks, or cylinders to get smooth, predictable response.
• Diagnose starting or power complaints by following structured checks instead of guessing at electrical or fuel issues.
• Verify undercarriage work, including track tension and alignment, after replacing rollers or tracks.

FAQ

Q: Can I use this manual on a tablet in the field?

A: Yes, it works well digitally; you can zoom diagrams and use search, which is handy when you’re beside the machine.

Q: Is it worth printing sections of this manual?

A: I often print the pages for the job I’m doing, mark them up with test results, and keep them with the work order.

Safety Note

Always lock out the machine, support raised components securely, and bleed pressure before opening any hydraulic or fuel lines.

New Holland E37C Mini Excavator Index:

Contents
INTRODUCTION
Engine – 10
Hydraulic systems – 35
Frames and ballasting – 39
Tracks and track suspension – 48
Cab climate control – 50
Electrical systems – 55
Booms, dippers, and buckets – 84
Dozer blade and arm – 86
Platform, cab, bodywork, and decals – 90
E37C EXCAVATOR HYDRAULIC SCHEMATIC
E37C EXCAVATOR ELECTRICAL SCHEMATIC

CNH