Cummins engine electrical circuits and wiring diagrams
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About the Hyundai Construction Equipment Engines
Engine manuals for the engines fitted to Hyundai construction equipment: 98 manuals for Cummins, Perkins, Yanmar, Kubota, Mitsubishi, Deutz, Scania, Weichai, Iveco, Nissan, Kirloskar, Yuchai and Hyundai engines.
Cummins engine electrical circuits and wiring diagrams
This is the Cummins engine electrical circuits and wiring diagrams, as a PDF. It runs to 63 pages in 8 parts.
It is the factory schematic set, as used by dealer technicians.
About these schematics
Electrical and hydraulic schematics are what a technician needs to trace a fault through the machine: every circuit, connector and component on the drawing, with its identification.
What is inside
Its chapters cover the engine and troubleshooting and fault codes. The largest sections are T4 Interim QSB6.7 more than 174hp (R260LC-9A, R300LC-9A) (9 pages), TIER 2 (9 pages) and T4 Interim QSB6.7 below 174hp (R140W-9A, R160W-9A, R220LC-9A) (5 pages).
- QSB6.7 CM2350 B105 (1 page)
- QSF3.8 CM2350 F107 (1 page)
- QSL9 CM2350 L102 (1 page)
- T4 Interim QSB6.7 below 174hp (R140W-9A, R160W-9A, R220LC-9A) (5 pages)
- T4 Interim QSB6.7 more than 174hp (R260LC-9A, R300LC-9A) (9 pages)
- TIER 2 (9 pages)
- TIER 3(QSB~QSL) (2 pages)
- TIER 3(QSM11) (4 pages)
What you can do with it
- Trace a circuit from the switch or sensor to the component
- Identify wires, connectors and hydraulic lines
- Find where a fault sits in the circuit
Who it is for
Owners and operators who maintain their own machines, contractors' and rental workshops, independent repair shops and dealers.
Make sure it is your engine
This manual covers Cummins engines. Check the engine nameplate (model and serial number) before ordering.
Questions about this manual
Is it the original manufacturer manual?
Yes. It is Cummins's own schematic, not a third-party reprint or a summary.
How many pages does it have?
63 pages, in 8 parts listed above.
How do I receive it?
It is a PDF. After payment it is available to download from your account, and you can read it on a computer, tablet or phone or print the pages you need. No printed book is shipped.
