HomeKohlerKohler 48REOZK4

Kohler 48REOZK4 Generator Set

The Kohler 48REOZK4 is a 48 kW (60 kVA) Diesel standby generator set powered by a Kohler KDI 3404 TCR engine. It is available at 120/208 V, 120/240 V, 277/480 V and 347/600 V, 60 Hz. It holds about 15.6 L (4.1 gal) of oil and 12 L (3.2 gal) of coolant, with a maximum ambient rating of 40 °C. Starting uses 1 battery rated 925 CCA at 12 V. The set measures 2504×1120×1895 mm (98.6×44.1×74.6 in), weighs about 1989 kg (4385 lb) and produces 69 dBA at 7 m. An integrated tank holds 386 L (102.0 gal), roughly 24 hours of runtime. The same KDI 3404 TCR engine also powers generator sets from Lombardini and Valdinoci.

48 kW
Standby
3.4 L
Displacement
15.6 L
Oil capacity
5
Document types

How to read your Kohler serial & model number →

Specifications

FuelDiesel
Frequency60.0 Hz
Standby power48 kW
Standby kVA60
Prime power43 kW
EmissionsTier 4 Final
ControllerDecision-Maker 3500
Oil capacity15.6 L
AlternatorKohler 4P8X
Voltage options120/208 V, 120/240 V, 277/480 V, 347/600 V
Circuit breaker250 A
Battery cranking925 CCA
Battery voltage12 V
Battery quantity1
Coolant capacity12 L
Max ambient40 °C
Dimensions (L×W×H)2504×1120×1895 mm
Dry weight1989 kg
Sound level69.0 dBA @ 7 m
Fuel tank386.0 L
Tank runtime24 hr

Engine

Kohler KDI 3404 TCR
Oil capacity15.6 L
Coolant capacity12.0 L
Displacement3.4 L
AspirationTurbocharged, Charge Air Cooled
Rated speed1800 rpm

Maintenance & consumables

for the Kohler KDI 3404 TCR
ItemSpecCapacityPart #Interval
Air filter12000 hr find
Fuel filter12000 hr find
Oil filter12000 hr find
Belt5000 hr find
Coolant40000 hr
Coolant filter500 hr find
Oil15.6 L2000 hr

Common questions

What is the power rating of the Kohler 48REOZK4?

The Kohler 48REOZK4 is rated 48 kW standby (60.0 kVA).

What engine does the Kohler 48REOZK4 use?

The Kohler 48REOZK4 is powered by the Kohler KDI 3404 TCR engine.

What fuel does the Kohler 48REOZK4 use?

The Kohler 48REOZK4 runs on Diesel.

What is the oil capacity of the Kohler 48REOZK4?

The Kohler KDI 3404 TCR engine in the Kohler 48REOZK4 has an oil capacity of 15.6 liters.

What alternator does the Kohler 48REOZK4 use?

The Kohler 48REOZK4 uses a Kohler 4P8X alternator.

Parts

42
Part #DescriptionQtySystem
8010710020CRANKSHAFT1Crankshaft PartsGeek
8011710030PISTON / CONNECTING ROD2Piston connecting rod PartsGeek
8012710050FLYWHEEL1Flywheel PartsGeek
8014710050PULLEYS / BELT2Pulleys belt PartsGeek
8020710090CRANKCASE1Crankcase PartsGeek
8021710070CYLINDER HEAD1Cylinder head PartsGeek
8022710080HEAD COVER1Head cover PartsGeek
8025710010ENGINE MOUNTS8Engine mounts PartsGeek
8030710150INJECTION SYSTEM1Injection system PartsGeek
8035710090CAMSHAFT2Camshaft PartsGeek
8036710070ROCKER ARMS / VALVES16Rocker arms valves PartsGeek
8038710050TIMING GEAR3Timing gear PartsGeek
8040710030OIL PUMP4Oil pump PartsGeek
8041710040OIL PAN1Oil pan PartsGeek
8043710020OIL DIPSTICK1Oil dipstick PartsGeek
8045710050BREATHER SYSTEM2Breather system PartsGeek
8061710010FUEL FILTER1Fuel filter PartsGeek
8061710020FUEL FILTER1Fuel filter PartsGeek
8068710070HOSES FOR WATER COOLER2Hoses water cooler PartsGeek
8074710030THERMOSTAT UNIT1Thermostat unit PartsGeek
8077710030WATER PUMP1Water pump PartsGeek
8079710010FITTING FOR CAB HEATING1Cabin heating fitting PartsGeek
8080710050AIR INLET MANIFOLD / AIR FILTER2Air inlet manifold filter PartsGeek
8083710060TURBOCHARGER1Turbocharger PartsGeek
8085710090EXHAUST GAS MANIFOLD2Exhaust gas manifold PartsGeek
8086710020EXHAUST MUFFLER2Exhaust muffler PartsGeek
ED0053030050Fuel filter cartridgeOil filter PartsGeek
GM93824Air Cleaner Assy1Air filter Amazon eBay PartsGeek
GM93996Element, Air Cleaner Primary1Air filter Amazon eBay PartsGeek
GM93997Element, Air Cleaner Secondary1Air filter Amazon eBay PartsGeek
8011710040PISTON / CONNECTING ROD4Service part / kit PartsGeek
8020710100CRANKCASE1Service part / kit PartsGeek
8021710080CYLINDER HEAD4Service part / kit PartsGeek
8022710070HEAD COVER4Service part / kit PartsGeek
8030710130INJECTION SYSTEM4Service part / kit PartsGeek
8035710120CAMSHAFT1Service part / kit PartsGeek
8036710080ROCKER ARMS / VALVES16Service part / kit PartsGeek
8038710040TIMING GEAR3Service part / kit PartsGeek
8045710070BREATHER SYSTEM2Service part / kit PartsGeek
8047710030OIL COOLER1Service part / kit PartsGeek
8064710030FUEL PIPING1Service part / kit PartsGeek
ED0014603650-SSix Nicks SN8Service part / kit PartsGeek

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
Prime25%3.20.8
Prime50%6.41.7
Prime75%9.62.5
Prime100%12.93.4
Standby25%4.61.2
Standby50%7.72.0
Standby75%10.92.9
Standby100%14.23.8

Available documents

Brochure — GSA Product List (Kohler)Brochure — kdi block heaters g6172 (Kohler)Spec sheet (Kohler)Spec sheet — g5425 (Kohler)Reference — FinalGSAPriceListEffective 3-20-2023 (Kohler)Reference — GSAPriceList (Kohler)Reference — g6172 (Kohler)Parts manual — tp6894 (Kohler)Wiring diagram — tp6924 (Kohler)

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