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Home›Kohler›Kohler 50EFOZD

Kohler 50EFOZD Generator Set

The Kohler 50EFOZD is a 50 kW (62.5 kVA) diesel standby generator set. It is available at 115/230 V, 110/190 V, 110/220 V, 220/380 V, 230/400 V and 240/416 V, single-phase, 50 Hz and rated 196 A. It holds about 14 L (3.7 gal) of oil and 14 L (3.7 gal) of coolant. Starting uses battery rated 625 CCA at 12 V. The set measures 1690×767×1015 mm (66.5×30.2×40.0 in) and weighs about 1087 kg (2396 lb).

50 kW
Standby
14.0 L
Oil capacity
4
Document types

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Typical fuel consumption for 50–55 kW Diesel generators →

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On this pageService partsSpecsMaintenanceFuel consumptionDocumentsFAQ

Service parts for the 50EFOZD

Grouped by system, with how many of each the parts manual calls for.

Air intake

1 required
226915Air filter$43.43eBay

Fuel system

2 required
GM48727Fuel filter (primary)$21.88Amazon
GM48728Fuel filter (secondary)$100.76eBay

Oil system

1 required
GM32809Oil filter$26.25eBay

Belts

1 required
GM15402Belt$34.50eBay

Prices captured from merchant listings; some links are affiliate links. Confirm against your serial number before ordering.

Specifications

Fueldiesel
Frequency50.0 Hz
Standby power50 kW
Prime power50 kW
EmissionsEPA Tier II compliant
ControllerDecision-Maker 3500, KOHLER-built microprocessor controls
Oil capacity14.0 L
AlternatorFast-Response X
Voltage options115/230 V, 110/190 V, 110/220 V, 220/380 V, 230/400 V, 240/416 V
Phase1/3
Rated current196 A
Battery cranking625 CCA
Battery voltage12- or 24-volt V
Coolant capacity14 L
Dimensions (L×W×H)1690×767×1015 mm
Dry weight1087 kg

Filters & service parts

model family
ItemSpecCapacityPart #Interval
Air filter226915 Amazon $70.01 eBay $43.43
Fuel filterPrimaryGM48727 Amazon $21.88 eBay $24.99
Fuel filterSecondaryGM48728 Amazon eBay $100.76
Oil filterGM32809 Amazon $57.96 eBay $26.25
BeltAlternator and Seawater PumpGM15402 Amazon eBay $34.50

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 size generator is the Kohler 50EFOZD?

The Kohler 50EFOZD is rated 50 kW standby.

Is the Kohler 50EFOZD diesel or gas?

The Kohler 50EFOZD runs on diesel.

What alternator comes on the Kohler 50EFOZD?

The Kohler 50EFOZD uses a Fast-Response X alternator.

What oil filter does the Kohler 50EFOZD use?

The Kohler 50EFOZD uses oil filter part number GM32809.

What fuel filter does the Kohler 50EFOZD use?

The Kohler 50EFOZD uses fuel filter part numbers GM48727, GM48728.

What air filter does the Kohler 50EFOZD use?

The Kohler 50EFOZD uses air filter part number 226915.

Parts

81model family
Part #DescriptionQtySystem
229125V-Belt (Seawater Pump)2Belt Amazon $53.99 eBay $22.07 FridayParts $62.70
229678Filter, oil4Oil filter Amazon $45.56 eBay $24.45 PartsGeek $7.98
229715Element, fuel4Fuel filter element Amazon $12.99 eBay $11.99 KuduParts $11.00
229826Seawater Pump Impeller Kit4Impeller Amazon $27.95 eBay $45.71 FridayParts $33.59
249989BELT1Belt Amazon $26.40 eBay $19.76
250719Breaker amps buy
256503BELT1Belt Amazon $36.99 eBay $18.44
260085ZINC ANODE KIT4Zinc anode kit Amazon eBay $16.99
267987FILTER, PRIMARY FUEL1Fuel filter Amazon $10.64 eBay $14.99 KuduParts $18.00
276148BELT1Belt Amazon eBay
359771FILTER, OIL1Oil filter Amazon $64.99 eBay $22.46 FridayParts $66.23
359978IMPELLER REPAIR KIT1Impeller FridayParts $66.23
363205BELT1Belt Amazon $36.26 eBay $25.11
52 050 02-SFilter, oil8Oil filter Amazon $22.70 eBay
ED0021750010-SOIL FILTER CARTRIDGEOil filter Amazon $8.22 eBay $109.95 FridayParts $19.50
ED0021752800-SOil FilterOil filter Amazon $21.95 eBay $22.90 FridayParts $19.99
ED0021752850-SOil Filter4Oil filter Amazon $23.95 eBay $24.95
ED0021752880-SFuel Filter Element4Fuel filter Amazon $13.88 eBay $49.95 KuduParts $14.00
ED0021753180-SFuel Filter Element (Secondary)4Fuel filter Amazon $79.99 eBay $72.00 KuduParts $34.00
ED0021753200-SFuel Filter ElementFuel filter Amazon $68.80 eBay $17.99 FridayParts $68.86
GM103820Fuel filter buy
GM105310Container buy
GM12310Container buy
GM12314Container buy
GM13660Belt seawater pumpBrush Amazon eBay $23.18
GM15402BELT1Belt Amazon eBay $34.50
GM18704BELT1Belt Amazon eBay
GM18793IMPELLER REPAIR KIT1Impeller Amazon $69.60 eBay $49.95
GM18808FILTER, SECONDARY FUEL1Fuel filter Amazon eBay $20.00
GM18821FILTER, PRIMARY FUEL1Fuel filter Amazon eBay $49.99
GM28351Filter, oil1Oil filter Amazon $25.85 eBay $19.46
GM32359Filter, fuel1Fuel filter Amazon $22.24 eBay $26.87 KuduParts $20.00
GM32809Fuel Filter1Fuel filter Amazon $57.96 eBay $26.25
GM34570Fuel Filter (gasoline)1Fuel filter Amazon $21.55 eBay $34.05
GM35825BELT1Belt Amazon eBay $133.60
GM35826Spark plug4Spark plug Amazon eBay $13.00
GM39266Fuse: Controller, Fuel Pump, and Fuel Shutoff Solenoid (F2) 20 Amp1Fuel pump Amazon eBay $14.88
GM41014Fuel Filter Element (Primary)Fuel filter Amazon eBay $70.50
GM46180SPARK PLUG2Spark plug Amazon eBay $15.14
GM47465Filter, oil1Oil filter Amazon $13.66 eBay $23.52 FridayParts $20.19
GM48014BELT, SEAWATER PUMP1Belt buy
GM48727FILTER, PRIMARY FUELFuel filter Amazon $21.88 eBay $24.99
GM48728FILTER, SECONDARY FUEL1Fuel filter Amazon eBay $100.76
GM48729FILTER, PRIMARY FUEL1Fuel filter Amazon $28.55 eBay $24.99
GM48730FILTER, SECONDARY FUEL4Fuel filter Amazon eBay $25.50
GM48731FILTER, OIL4Fuel filter element Amazon $20.01 eBay $49.99
GM50263FILTER, PRIMARY FUEL (Includes primary and secondary filter elements)1Fuel filter Amazon $148.00 eBay $99.99
GM50644Seawater Pump Impeller KitImpeller Amazon $31.00 eBay $30.00
GM51356Container buy
GM53040BELT, SEAWATER PUMP1Belt Amazon $49.73 eBay $19.94
GM77091BELT, SEAWATER PUMP1Belt buy
GM84053Container buy
GM84054Container buy
GM88686BELT1Belt Amazon eBay $43.03
GM89804Container buy
GM89805Container buy
GM90645V-Belt (Seawater Pump)Belt Amazon eBay $30.30
GM91974FUEL FILTER KIT, PRIMARY/SECONDARY1Fuel filter Amazon eBay
GM95659Container buy
GM95660Container buy
GM98756IMPELLER REPAIR KIT4Spark plug Amazon eBay
GM98801BELT1Belt Amazon eBay
GM99047Container buy
X-6348-6DECAL12Decals Amazon eBay
X-6348-9DECAL1Decals buy
223316Fuse, 10 A, 250 V1Service part / kit Amazon $171.06 eBay $31.37
239282Brush2Service part / kit Amazon eBay $37.28
239298Fuse: Customer Connection (F3) 5 Amp1Service part / kit Amazon eBay $7.74
243273Fuse, 3 amp5Service part / kit Amazon eBay
262389Fuse, 25 amp1Service part / kit Amazon eBay $14.83
267928ZINC ANODE KIT1Service part / kit buy
283645Fuse, 15 amp5Service part / kit Amazon eBay
344835CONTAINER1Service part / kit buy
352142ZINC ANODE KIT1Service part / kit Amazon $38.07 eBay $26.09
358337Fuse: Auxiliary Winding (F1) 10 Amp1Service part / kit Amazon $101.99 eBay $45.17
ED0090802150-SZinc Anode4Service part / kit Amazon eBay $60.67
ED0090802840-SZinc Anode4Service part / kit Amazon eBay $92.76
GM47427FUSE, 20-AMP1Service part / kit buy
GV15402CIRCUIT BREAKER, 10-AMP1Service part / kit buy
GV42337FUSE, 10-AMP5Service part / kit buy
GV42339FUSE, 25-AMP5Service part / kit buy

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.

Fuel consumption

RatingLoadL/hgal/h
Prime25%4.61.2
Prime50%7.62.0
Prime75%10.82.9
Prime100%14.13.7

Available documents

Spec sheet (Kohler)Spec sheet — g2160 (Kohler)Reference (Kohler)Reference — Marine pocket guide (Kohler)Reference — PleasureCraft SpecificationSheet (Kohler)Owner's manual — tp6861 (Kohler)Parts manual (Kohler)Parts manual — 2017-Sea-Spares-Brochure-g12202 (Kohler)Parts manual — G12-202-11-20-Sea-Spares-Kits-brochure (Kohler)
Full service, cheapest listings

Priced items from this model's own parts manual.

Air filter 226915$43.43
Fuel filter (primary) GM48727$21.88
Fuel filter (secondary) GM48728$100.76
Oil filter GM32809$26.25
Belt GM15402$34.50
5 priced items$226.82