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Kohler 4S11 Generator Set

The Kohler 4S11 is a generator set.

4
Document types

How to read your Kohler serial & model number →

Specifications

AlternatorKohler 4S11 (4-pole)

Filters & service parts

model family
ItemSpecCapacityPart #Interval
Air filter find
Fuel filter find
Oil filter find
Belt find
Coolant filter find
Oil

Compiled from this model's family documentation — may include parts for closely-related variants. Confirm the exact part for your serial number.

Common questions

What alternator does the Kohler 4S11 use?

The Kohler 4S11 uses a Kohler 4S11 alternator. It has 4 poles.

Parts

37model family
Part #DescriptionQtySystem
241481Switch, high temperature 268298 Sender, water temperatureHigh coolant temperature switch PartsGeek
249872Exhaust Temperature Switch (Isolated Ground Close, Open 102°C±15°C (215°F±5°F))Exhaust temperature switch PartsGeek
264390Oil Pressure Sender (Decision-Maker 3+)Oil pressure sender PartsGeek
268298Water Temperature Sender (Decision-Maker 3+)Water temperature sender PartsGeek
328309Switch assembly, pressure (oil pressure)Low oil pressure switch PartsGeek
GM29290Oil Pressure Sender (Decision-Maker 550)Oil pressure sender PartsGeek
GM30263Low Seawater Pressure SwitchLow seawater pressure switch PartsGeek
GM31045-1Coolant Temperature Sender (Decision-Maker 550)Coolant temperature sender PartsGeek
GM39458Coolant Temperature Sender (Decision-Maker 3+)Coolant temperature sender PartsGeek
GM47208Water Temperature Sender (Decision-Maker 550)Water temperature sender PartsGeek
RDO-24Speed Sensor Fault RDO-2410Sensor PartsGeek
RDO-01Overspeed Shutdown RDO-01 (lead 39)10Service part / kit PartsGeek
RDO-03High Cool Temp Shutdown RDO-03 (lead 36)10Service part / kit PartsGeek
RDO-04High Oil Temp Shutdown RDO-04 (lead 38)10Service part / kit PartsGeek
RDO-05Low Coolant Temp Warning RDO-05 (lead 35)10Service part / kit PartsGeek
RDO-06High Cool Temp Warning RDO-06 (lead 40)10Service part / kit PartsGeek
RDO-07High Oil Temp Warning RDO-07 (lead 41)10Service part / kit PartsGeek
RDO-08Low Fuel Warning RDO-08 (lead 63)9Service part / kit PartsGeek
RDO-09Master Switch Error RDO-09 (lead 80)10Service part / kit PartsGeek
RDO-10NFPA 110 Fault RDO-10 (lead 32)10Service part / kit PartsGeek
RDO-12Low Battery Voltage RDO-12 (lead 62)10Service part / kit PartsGeek
RDO-14Emergency Stop RDO-14 (lead 48)10Service part / kit PartsGeek
RDO-15Generator Set Running RDO-15 (lead 70R)10Service part / kit PartsGeek
RDO-16Time Delay Engine Start RDO-16 (lead 70C)10Service part / kit PartsGeek
RDO-17System Ready RDO-17 (lead 60)10Service part / kit PartsGeek
RDO-18Defined Common Fault10Service part / kit PartsGeek
RDO-19Low Coolant Level Shutdown RDO-1910Service part / kit PartsGeek
RDO-20Over Voltage Shutdown RDO-20 (lead 26)7Service part / kit PartsGeek
RDO-22EPS Supplying Load RDO-2210Service part / kit PartsGeek
RDO-23Fuel Valve Relay10Service part / kit PartsGeek
RDO-25Weak Battery Off Warning RDO-25Service part / kit PartsGeek
RDO-26Loss of Field Shutdown SD Loss of Field4Service part / kit PartsGeek
RDO-27Undervoltage Shutdown RDO-2710Service part / kit PartsGeek
RDO-28Over Speed Shutdown RDO-287Service part / kit PartsGeek
RDO-29Time Delay Starting Aid RDO-298Service part / kit PartsGeek
RDO-30Load Shed KW Overload RDO-3010Service part / kit PartsGeek
RDO-31Load Shed Underfrequency RDO-3110Service part / kit PartsGeek

Compiled from this model's family documentation — may include parts for closely-related variants. Confirm the exact part for your serial number. See the full parts catalog to search and cross-reference.

Available documents

Alternator spec — g18227 (Kohler)Reference — adv8763 (Kohler)Service manual — tp6442 eng bg9k (Kohler)Wiring diagram — adv8735 (Kohler)