Kohler 20-100RZ Ford Fast-Response2 Industrial Generator Sets Wiring Diagrams (tp5719)

These Kohler 20–100RZ Ford Fast-Response2 industrial generator sets usually sit in plants, hospitals, or commercial sites where they pick up the load when the utility drops. This wiring diagram set is what I grab when I need to trace circuits, confirm connector locations, or verify a harness after a repair. If, for example, the unit cranks but never gets an “allow-to-start” signal from the control, this is the document that lets me follow that signal wire from the controller, through every plug, right to the engine hardware.

Applications & Use Cases

• Track wire routing so you can re-pin or replace a damaged harness without guessing.
• Identify connector IDs and terminal positions before probing, to avoid back-feeding or shorting a control board.
• Plan and verify retrofits like remote start/stop or monitoring by finding the correct tie-in points.
• Isolate intermittent faults by continuity-testing each leg of a suspect circuit end-to-end.
• Confirm proper ground and power feeds after major repairs, repainting, or frame work.

FAQ

Q: Can I use this on a tablet at the generator?

A: Yes, it’s readable on a tablet; zooming helps when following individual wires at the machine.

Q: Is it worth printing parts of this diagram?

A: Many techs print the relevant sheets so they can mark test results, notes, and wire colors right at the unit.

Safety Note

Always de-energize and lock out the generator before opening panels or testing wiring.

Kohler 20-100RZ Ford Fast-Response2 Industrial Generator Sets Index:

Generator Set
Model No. Hz
Generator Set
Spec No.
Wiring Diagram
Version No.
20RZ 50/60 PA-185030, 33, 36, 39–42 1
50/60 PA-185037, 38 2
50/60 PA-185068–89 (2, 3)*
50/60 PA-185112– 4
30RZ 50/60 PA-185050, 53, 54, 57, 60–63 1
50/60 PA-185058, 59 2
50/60 PA-185072– (2, 4)*
33RZ 50/60 PA-183030, 33, 36, 39–41 1
35RZ 50/60 PA-183037, 38 2
50/60 PA-183042– (2, 4)*
40RZ 50/60 PA-187139 3
45RZ 50/60 PA-183230, 33, 36, 37, 40–43 1
45RZ 50/60 PA-183238, 39 2
50/60 PA-183244– (2, 4)*
50RZ 50/60 PA-187130, 31, 33, 36–38 1
50/60 PA-187139– (2, 4)*
60RZ 50/60 PA-187060, 63, 66–68, 71, 75 1
50/60 PA-187076– (2, 4)*
70RZ 50/60 PA-187260, 63, 66, 69–71 1
50/60 PA-187272– (2, 4)*
80RZ 50/60 PA-187334, 35, 39–40 1
50/60 PA-187341– (2, 4)*
100RZ 50/60 PA-187435, 38 1
50/60 PA-187441– (2, 4)*

Kohler