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Kohler 35 REOZT4 Generator Set

The Kohler 35 REOZT4 is a 30 kW (37.5 kVA) Diesel standby generator set powered by a Kohler 1.9 L engine. It is available at 120/208 V, 120/240 V, 277/480 V and 347/600 V, Single/Three-phase and 60 Hz. It holds about 8.7 L (2.3 gal) of oil and 17.2 L (4.5 gal) of coolant, with a maximum ambient rating of 50 °C. Starting uses 1 battery rated 925 CCA at 12 V. The set measures 2184×1016×1622 mm (86.0×40.0×63.9 in), weighs about 1397 kg (3080 lb) and produces 67 dBA at 7 m. An integrated tank holds 293 L (77.4 gal), roughly 24 hours of runtime.

30 kW
Standby
1.9 L
Displacement
8.7 L
Oil capacity
7
Document types

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Specifications

FuelDiesel
Frequency60.0 Hz
Standby power30 kW
Standby kVA37
Prime power28 kW
EmissionsTier 4 Final
ControllerDecision-Maker 3500
Oil capacity8.7 L
Voltage options115 V, 200 V
PhaseSingle/Three
Battery cranking925 CCA
Battery voltage12 V
Battery quantity1
Coolant capacity17.2 L
Max ambient50 °C
Dimensions (L×W×H)2184×1016×1622 mm
Dry weight1397 kg
Sound level67.0 dBA @ 7 m
Fuel tank293.0 L
Tank runtime24 hr

Engine

Kohler 1.9 L
Displacement1.9 L

Maintenance & consumables

for the Kohler 1.9 L
ItemSpecCapacityPart #Interval
Air filterReplace cartridges B and G when dirty, clean the inside components A and D with a damp cloth.—1000 hr find
Fuel filterstandby—250 hr find
Oil filterstandby—1000 hr find
Beltstandby—1000 hr find
Coolantstandby—10 hr
Oilstandby—50 hr

Common questions

What is the power rating of the Kohler 35 REOZT4?

The Kohler 35 REOZT4 is rated 30 kW standby (37.5 kVA).

What engine does the Kohler 35 REOZT4 use?

The Kohler 35 REOZT4 is powered by the Kohler 1.9 L engine.

What fuel does the Kohler 35 REOZT4 use?

The Kohler 35 REOZT4 runs on Diesel.

Parts

63
Part #DescriptionQtySystem
100-025-000Oil Filter Cartridge1Oil filter hdturbo $3199.00
100-030-000Air Filter Cartridge1Air filter buy
100-045-000Fuel Filter Cartridge1Fuel filter hdturbo $2099.00
100-060-000Oil Dipstick1Oil filter hdturbo $2099.00
100-075-000Oil Drain Plug1Oil filter hdturbo $3299.00
100-090-000Water Presence Sensor1Sensor buy
401-2567Cartridge dry-type air filter1Air filter buy
401-2568Intake manifold hose (air filter - intake manifold)1Hose buy
401-2569Coolant hoses1Hose buy
401-2570Fuel line hose1Hose buy
401-2571Alternator belt (standard alternator)1Belt buy
401-2572Poly-V alternator belt (heavy environmental condition)1Belt buy
401-2573Poly-V alternator belt (standard condition)1Belt buy
401-2574Coolant (OAT)1Fluid buy
401-2575Coolant (HOAT)1Fluid buy
GM84564Gasket, Acc Panel1Gasket buy
GM84565Gasket, E-Stop Box1Gasket buy
GM88850Hose, Air Intake1Hose buy
GM88856Tube, Turbo1Turbocharger buy
GM88857Guard, Belt Upper (LS)1Belt buy
X-6380-10Hose, Charge Air Cooler1Hose buy
292364Switch, emergency stop1Service part / kit buy
324562Cap, Rain 2.5” (fits 2.50” tube)1Service part / kit buy
358384Breaker, Circuit3Service part / kit buy
401-2576ATS (Engine)1Service part / kit buy
GB31311173101Decal, Emergency Stop1Service part / kit buy
GC31594Exciter Field Assy1Service part / kit buy
GC87110-4Stator Assy1Service part / kit buy
GC87121-4Rotor Assy1Service part / kit buy
GC87128Exciter Armature Assy1Service part / kit buy
GM33904Receptacle, GFCI Duplex2Service part / kit buy
GM33906Breaker, Circuit 15A2Service part / kit buy
GM49151Inlet, Flanged1Service part / kit buy
GM79886Case, Literature, Plastic (case only; no literature)1Service part / kit buy
GM84566Receptacle, 50A 125V/250V3Service part / kit buy
GM84567Cover, 50A Waterproof3Service part / kit buy
GM85981--1Engine, Lombardini KDI2504TCR1Service part / kit buy
GM86447Silencer1Service part / kit buy
GM86770-14Insulation, Acoustic Foam1Service part / kit buy
GM87122Disc, Drive1Service part / kit buy
GM88858Bracket, Tube Support1Service part / kit buy
GM89314-1Insulation, Acoustic Foam1Service part / kit buy
GM89314-2Insulation, Acoustic Foam1Service part / kit buy
GM89314-3Insulation, Acoustic Foam1Service part / kit buy
GM89314-4Insulation, Acoustic Foam1Service part / kit buy
GM89355Eyebolt1Service part / kit buy
GM90375Cover, GFCI Receptacle2Service part / kit buy
GM90379-1Connector, Cam Lock Black1Service part / kit buy
GM90379-2Connector, Cam Lock White1Service part / kit buy
GM90379-3Connector, Cam Lock Red1Service part / kit buy
GM90379-4Connector, Cam Lock Blue1Service part / kit buy
GM90379-5Connector, Cam Lock Green1Service part / kit buy
GM90380-1Cover, Cam Lock Black1Service part / kit buy
GM90380-2Cover, Cam Lock White1Service part / kit buy
GM90380-3Cover, Cam Lock Red1Service part / kit buy
GM90380-4Cover, Cam Lock Blue1Service part / kit buy
GM90380-5Cover, Cam Lock Green1Service part / kit buy
GM90398Decal, Lifting Point2Service part / kit buy
GM90463Lead, Camlock GND1Service part / kit buy
GM90464Lead, Camlock L01Service part / kit buy
GM90465Lead, Camlock L11Service part / kit buy
GM90466Lead, Camlock L21Service part / kit buy
GM90467Lead, Camlock L31Service part / kit buy

Service, wear & replacement parts referenced for this model and its engine — confirm the exact part for your serial number. See the full parts catalog to search and cross-reference.

Fuel consumption

RatingLoadL/hgal/h
Prime0.70.2
Prime25%2.90.8
Prime50%18.54.9
Prime75%23.56.2
Prime100%9.82.6
Standby0.80.2
Standby25%3.10.8
Standby50%5.41.4
Standby75%7.82.1
Standby100%10.52.8

Available documents

BrochureSpec sheetInstallation manualReferenceOwner's manualParts manualService manual

Other sets with this engine

Kohler 175REOZT4