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Home›Kohler›Kohler 40EORZD

Kohler 40EORZD Generator Set

The Kohler 40EORZD is a 40 kW (40 kVA) Diesel standby generator set powered by a Yanmar 4TNV98T engine. It operates at 60 Hz. It holds about 10.2 L (2.7 gal) of oil and 15.8 L (4.2 gal) of coolant. The same 4TNV98T engine also powers generator sets from Himoinsa, Westquip and diador.

40 kW
Standby
3.319 L
Displacement
10.2 L
Oil capacity
3
Document types

How to read your Kohler serial & model number →

Specifications

FuelDiesel
Frequency60.0 Hz
Standby power40 kW
Standby kVA40
EmissionsTier 2
ControllerADC 2100
Oil capacity10.2 L

Engine

Yanmar 4TNV98T
Oil capacity10.2 L
Coolant capacity15.8 L
Displacement3.319 L
Aspirationturbocharged
Rated speed1800 rpm

Maintenance & consumables

for the Yanmar 4TNV98T
ItemSpecCapacityPart #Interval
Oil filterFull flow, cartridge229678 Amazon eBay $21.99 PartsGeek
Oil10.2 L—

Common questions

What is the power rating of the Kohler 40EORZD?

The Kohler 40EORZD is rated 40 kW standby (40.0 kVA).

What engine does the Kohler 40EORZD use?

The Kohler 40EORZD is powered by the Yanmar 4TNV98T engine.

What fuel does the Kohler 40EORZD use?

The Kohler 40EORZD runs on Diesel.

What is the oil capacity of the Kohler 40EORZD?

The Yanmar 4TNV98T engine in the Kohler 40EORZD has an oil capacity of 10.2 liters.

Parts

250
Part #DescriptionQtySystem
105025-59750HOSE, FUEL2Hose PartsGeek
114250-53080NUT, NOZZLE2Injector PartsGeek
114250-53120SPRING, NOZZLE2Injector PartsGeek
119000-39650NOZZLE, COOLING1Injector PartsGeek
119006-03090HOSE, BREATHER1Hose PartsGeek
119129-77020GASKET, AIR HEATER1Gasket PartsGeek
119225-52102PUMP, FUEL FEED1Pump PartsGeek FridayParts $18.80
119625-11880SEAT, NOZZLE4Injector PartsGeek woodline $3.20
119802-11870PROTECTOR, NOZZLE4Injector PartsGeek woodline $6.86
119802-51690O-RING, 10163Seal PartsGeek
119802-55710ELEMENT, FUEL2Fuel filter Amazon eBay $20.99 PartsGeek
119803-11340SEAL, VALVE STEM8Seal PartsGeek
121023-26070COVER, PUMP1Pump PartsGeek
121850-49540GASKET, THERMOSTAT2Gasket PartsGeek woodline $4.12
121850-49550GASKET, THERMOSTAT2Gasket PartsGeek woodline $3.14
121850-49810Thermostat, 712Thermostat PartsGeek kuduparts $20.80
121850-77021GASKET, AIR HEATER1Gasket PartsGeek woodline $6.68
123901-03240FILTER2Fuel filter PartsGeek
123901-18080GASKET, TURBINE OUT1Gasket PartsGeek woodline $4.76
123901-39820HOSE, OIL RETURN1Hose PartsGeek
123907-11601SEAL, PIPE1Seal PartsGeek kuduparts $47.00
123907-25909GEAR, PUMP1Pump PartsGeek yemparts $137.01
123907-55800FILTER, FUEL1Fuel filter Amazon eBay $42.00 PartsGeek
123907-59550GASKET, FUEL RETURN1Gasket PartsGeek
123907-59560JOINT, HOSE1Hose PartsGeek
123910-49600HOSE ASSY, WATER1Hose PartsGeek
124160-11340SEAL, VALVE STEM8Seal PartsGeek woodline $2.10
124160-11360Gasket1Gasket PartsGeek
124240-01871COVER,HYDRAULIC PUMP1Pump PartsGeek
124240-01883GASKET, PUMP1Gasket PartsGeek
124411-01780SEAL, HTC95X115X121Seal PartsGeek FridayParts $52.45
124465-44950GASKET, 161Gasket PartsGeek
124722-59050CLAMP, HOSE 92Hose PartsGeek
124766-59050CLAMP, HOSE 11.52Hose PartsGeek
124950-11340SEAL, VALVE STEM2Seal PartsGeek woodline $3.27
128300-77920TIMER, GLOW PLUG1Glow plug PartsGeek FridayParts $16.99
129004-55610BRACKET, FILTER1Fuel filter PartsGeek
129052-42290V-BELT, A40.51Belt PartsGeek
129150-35153Filter, Oil1Oil filter eBay $27.55 PartsGeek
129150-35170FILTER ASSY, D80X80L1Fuel filter PartsGeek
129155-51280O-RING, S62Seal PartsGeek
129242-55730ELEMENT, FUEL FILTER2Fuel filter Amazon eBay $14.50 PartsGeek
129242-55760GASKET, PLUG2Gasket PartsGeek
129410-03990CLAMP, HOSE 21.51Hose PartsGeek
129457-59010HOSE ASSY, FUEL1Hose PartsGeek
129472-18090GASKET, TURBINE IN1Gasket PartsGeek FridayParts $35.00
129486-59551HOSE ASSY, RETURN1Hose PartsGeek
129900-01740COVER, PUMP TIMING1Pump PartsGeek
129900-01780SEAL, OIL2Seal PartsGeek FridayParts $35.99
129900-13251GASKET, MANIFOLD1Gasket PartsGeek
129900-32030O-Ring, P201Seal PartsGeek
129900-32040O-Ring, P141Seal PartsGeek
129900-42020GASKET, WATER PUMP1Gasket PartsGeek woodline $5.73
129900-42450V-PULLEY, PUMP1Pump PartsGeek
129900-42461V-PULLEY, PUMP1Pump PartsGeek
129900-49870GASKET, THERMOSTAT1Gasket PartsGeek
129900-77010STARTER, 12V 2.3KW1Starter PartsGeek FridayParts $134.26
129900-77040STARTER, 12V 2.3KW1Starter PartsGeek FridayParts $134.30
129900-77330ADJUSTER, BELT1Belt PartsGeek
129906-51580GASKET, BARREL PLUG2Gasket PartsGeek
129907-01331GASKET, HEAD1Gasket PartsGeek yemparts $55.88
129907-01950RETAINER, PUMP UPPER1Pump PartsGeek
129907-01960RETAINER, PUMP LOWER1Pump PartsGeek
129907-11310GASKET, BONNET2Gasket PartsGeek woodline $15.16
129907-11910RETAINER, NOZZLE4Injector PartsGeek
129907-11920RETAINER, NOZZLE2Injector PartsGeek
129907-12110GASKET, MANIFOLD1Gasket PartsGeek woodline $26.26
129907-42000PUMP ASSY, WATER1Pump PartsGeek FridayParts $75.50
129907-49610HOSE ASSY, WATER A1Hose PartsGeek
129907-49620HOSE ASSY, WATER B1Hose PartsGeek
129907-49710HOSE, WATER A2Hose PartsGeek
129907-49720HOSE, WATER B2Hose PartsGeek
129907-49800CASE ASSY,THERMOSTAT1Thermostat PartsGeek FridayParts $81.99
129908-03099HOSE, BREATHER1Hose PartsGeek
129908-32060Pump Assy, Oil1Pump PartsGeek FridayParts $67.50
129908-39690GASKET, RETURN PIPE1Gasket PartsGeek
129908-49060HOSE, WATER1Hose PartsGeek
129916-01800Seal, Oil1Seal PartsGeek woodline $7.81
129916-49530COVER, THERMOSTAT2Thermostat PartsGeek
129927-42000Pump Assy, Water1Pump PartsGeek
129927-42140GASKET, PUMP OUTLET1Gasket PartsGeek
129930-39050PIPE, HO PUMP1Pump PartsGeek
129935-03260HOSE ASSY, RETURN1Hose PartsGeek
129953-25300BOLT, PUMP BODY1Pump PartsGeek
129960-03990CLAMP, HOSE 19.81Hose PartsGeek
129960-21930GASKET, WASHER1Gasket PartsGeek
129980-26200GEAR, PUMP1Pump PartsGeek
129980-59510HOSE, FUEL2Hose PartsGeek
129981-59010HOSE ASSY, FUEL1Hose PartsGeek
158552-51570GASKET, BARREL PLUG2Gasket PartsGeek yemparts $132.69
158552-52100PUMP ASSY, FUEL FEED2Pump PartsGeek yemparts $152.50
158552-52310Ref. No.94Pump PartsGeek
158552-52400O-RING, 4E S422Seal PartsGeek
158552-61900O-RING2Seal PartsGeek
158553-51640ELEMENT, THERMOSTAT2Fuel filter PartsGeek
158553-51660O-RING, P142Seal PartsGeek
158553-51670O-RING, PUMP TIMER3Pump PartsGeek
158553-51680GASKET, TIMER2Gasket PartsGeek
158560-51600GASKET, HEAD2Gasket PartsGeek
158560-61050GASKET, CASE2Gasket PartsGeek
158560-61071GASKET, CASE2Gasket PartsGeek
158563-51281O-RING, 4D S62Seal PartsGeek
22190-220002WASHER, SEAL 221Seal PartsGeek
24311-000070O-RING, 1AP7.01Seal PartsGeek
24311-000120O-RING, 1AP12.04Seal PartsGeek
24311-000320O-RING, 1AP32.01Seal PartsGeek
24351-030750O-RING, 1A30751Seal PartsGeek
25132-004100V-Belt, A411Belt PartsGeek
729595-51390FUEL INJECTION PUMP1Injector PartsGeek
729595-51391FUEL INJECTION PUMP1Injector PartsGeek
729907-92770GASKET SET1Gasket PartsGeek
729908-51310PUMP ASSY, INJECTION1Pump PartsGeek
729937-51390PUMP ASSY, INJECTION1Pump PartsGeek
977770-01212GASKET, LIQUID1Gasket PartsGeek
106500-44810COLLAR, PULLEY1Service part / kit PartsGeek
114250-39450TERMINAL1Service part / kit PartsGeek FridayParts $11.50
114250-53130SEAT, SPRING2Service part / kit PartsGeek
114250-53140SPACER, VALVE STOP2Service part / kit PartsGeek
114250-53210PIN, POSITIONING2Service part / kit PartsGeek
114250-53400SHIM SET2Service part / kit PartsGeek
119000-01840PLUG, RUBBER 251Service part / kit PartsGeek
119005-77050HEATER, AIR1Service part / kit PartsGeek
119100-11330ELBOW, BREATHER2Service part / kit PartsGeek
119130-44760SPACER, FAN1Service part / kit PartsGeek
119131-18320STUD, M8X221Service part / kit PartsGeek
119141-44760SPACER, FAN1Service part / kit PartsGeek
119305-59120RETAINER, PIPE1Service part / kit PartsGeek
119593-11301STUD, M8X801Service part / kit PartsGeek
119620-01750CAP, WHEEL COVER1Service part / kit PartsGeek
119620-11180RETAINER, SPRING2Service part / kit PartsGeek
119620-77380ROTOR ASSY2Service part / kit PartsGeek
119620-77421FRAME ASSY, DRIVE2Service part / kit PartsGeek
119620-77440FRAME ASSY, REAR2Service part / kit PartsGeek
119620-77461PULLEY, GENERATOR2Service part / kit PartsGeek
119620-77480BRUSH ASSY, SUB3Service part / kit PartsGeek
119620-77490COLLAR2Service part / kit PartsGeek
119620-79200BEARING, BALL3Service part / kit PartsGeek
119620-79210PLATE, RETAINER3Service part / kit PartsGeek
119620-79230STUD3Service part / kit PartsGeek
119620-79240BEARING, BALL3Service part / kit PartsGeek
119620-79250COVER, BEARING3Service part / kit PartsGeek
119620-79260HOLDER ASSY2Service part / kit PartsGeek
119620-79270HOLDER ASSY, BRUSH2Service part / kit PartsGeek
119620-79280SPRING3Service part / kit PartsGeek
119620-79340BUSH, INSULATION2Service part / kit PartsGeek
119640-01640PLUG, DRAIN M222Service part / kit PartsGeek
119643-66900DIODE1Service part / kit PartsGeek yemparts $38.15
119650-77910RELAY ASSY, GLOW1Service part / kit PartsGeek FridayParts $12.80
119653-77950SOLENOID, STOP2Service part / kit PartsGeek FridayParts $21.04
119660-61901STOPPER, SHAFT2Service part / kit PartsGeek
119802-51590TIMER ASSY2Service part / kit PartsGeek
119802-51600TIMER ASSY3Service part / kit PartsGeek
119802-51680RING, BACKUP3Service part / kit PartsGeek
119802-55700SEPARATOR ASSY,WATER1Service part / kit PartsGeek kuduparts $15.00
119802-55730CUP ASSY, SEPARATOR2Service part / kit PartsGeek
119807-61420SPRING, RETURN2Service part / kit PartsGeek
120130-22301PIN, PISTON1Service part / kit PartsGeek
121250-44901SWITCH, TEMPERATURE1Service part / kit PartsGeek FridayParts $13.50
121450-42450PLUG, M161Service part / kit PartsGeek
121520-34810GUIDE, DIPSTICK1Service part / kit PartsGeek
121750-59890BAND, NYLON1Service part / kit PartsGeek
121850-21290PIN, CRANK GEAR2Service part / kit PartsGeek
121850-21920PIN, PARALLEL 10X222Service part / kit PartsGeek
122710-51050BEARING, ROLLER2Service part / kit PartsGeek
122780-59100RETAINER, PIPE1Service part / kit PartsGeek
123900-25060SHAFT, IDLE GEAR1Service part / kit PartsGeek
123901-03280ELBOW, PT3/8-101Service part / kit PartsGeek
123907-11550SEAT, VALVE BRIDGE8Service part / kit PartsGeek
123907-11820GUIDE, BRIDGE8Service part / kit PartsGeek
123907-11830ADJUSTER, BRIDGE8Service part / kit PartsGeek
123907-39500RETAINER, PIPE2Service part / kit PartsGeek
123910-39850RETAINER2Service part / kit PartsGeek
123910-49610TUBE, CORRUGATED2Service part / kit PartsGeek
123951-18220JOINT, RUBBER B1Service part / kit PartsGeek
124070-13300ELBOW, PT3/81Service part / kit PartsGeek
124160-01751CAP, FILLER1Service part / kit PartsGeek kuduparts $6.00
124223-39900RETAINER2Service part / kit PartsGeek
127410-21480GEAR, RING Z=1292Service part / kit PartsGeek FridayParts $73.50
129001-91810BOLT, M8X706Service part / kit PartsGeek
129006-44480JOINT, R021Service part / kit PartsGeek
129100-01580PIN, PARALLEL 8X164Service part / kit PartsGeek
129150-02450METAL, THRUST2Service part / kit PartsGeek
129150-03100RETAINER, PIPE1Service part / kit PartsGeek
129150-11750NUT, M88Service part / kit PartsGeek
129150-14200TAPPET1Service part / kit PartsGeek woodline $8.30
129150-25920BUSH, IDLE GEAR2Service part / kit PartsGeek
129150-91400GEAR, TACHOMETER1Service part / kit PartsGeek
129211-77920TIMER, SECTION 11Service part / kit PartsGeek sinocmp $45.00
129240-79300COVER2Service part / kit PartsGeek
129242-55700SEPARATOR ASSY,WATER1Service part / kit PartsGeek kuduparts $78.00
129242-55720CUP, SEPARATOR2Service part / kit PartsGeek
129242-55740PLUG, DRAIN2Service part / kit PartsGeek
129242-55750VALVE, AIR VENT2Service part / kit PartsGeek
129242-55770FLOAT2Service part / kit PartsGeek
129400-92450HONE, FLEX1Service part / kit PartsGeek
129418-18320STUD, M8X201Service part / kit PartsGeek
129423-77200GENERATOR, 12V-40A1Service part / kit PartsGeek yemparts $191.26
129423-77710REGULATOR ASSY2Service part / kit PartsGeek
129466-49300ELBOW, PT3/81Service part / kit PartsGeek
129470-51040CAMSHAFT2Service part / kit PartsGeek
129470-51060RETAINER2Service part / kit PartsGeek
129550-59120Ref. No.35Service part / kit PartsGeek
129900-01250PLUG, 552Service part / kit PartsGeek
129900-01620HOUSING, FLYWHEEL1Service part / kit PartsGeek
129900-01850COVER ASSY,GEAR CASE1Service part / kit PartsGeek
129900-01870SPONGE, GEAR CASE1Service part / kit PartsGeek
129900-02340METAL ASSY, MAIN .251Service part / kit PartsGeek
129900-02410Bush, Camshaft2Service part / kit PartsGeek woodline $13.20
129900-02930METAL ASSY, THRUST2Service part / kit PartsGeek
129900-02940METAL ASSY, 0.25 OS1Service part / kit PartsGeek
129900-14100GEAR, CAMSHAFT2Service part / kit PartsGeek
129900-14140BEARING, BALL 62051Service part / kit PartsGeek
129900-21200GEAR, CRANKSHAFT2Service part / kit PartsGeek yemparts $195.83
129900-21600GEAR, RING2Service part / kit PartsGeek
129900-21660V-PULLEY, CRANKSHAFT1Service part / kit PartsGeek
129900-23000ROD ASSY, CONNECTING1Service part / kit PartsGeek FridayParts $62.48
129900-23600METAL ASSY,CRANK PIN2Service part / kit PartsGeek
129900-23601Bearing, Crank Pin4Service part / kit PartsGeek woodline $43.09
129900-23610METAL ASSY, PIN .251Service part / kit PartsGeek
129900-23910BEARING, PISTON PIN2Service part / kit PartsGeek
129900-25100GEAR ASSY, IDLE1Service part / kit PartsGeek kuduparts $88.00
129900-26250BEARING, BALL 6206C31Service part / kit PartsGeek
129900-35000PIPE ASSY, OIL INLET1Service part / kit PartsGeek
129900-77120ARMATURE ASSY2Service part / kit PartsGeek
129900-77130YOKE ASSY2Service part / kit PartsGeek
129900-77140COIL ASSY, FIELD3Service part / kit PartsGeek
129900-77150COVER, REAR2Service part / kit PartsGeek
129900-77160HOLDER ASSY, BRUSH2Service part / kit PartsGeek
129900-77170CLUTCH ASSY, PINION2Service part / kit PartsGeek
129900-77180CLUTCH ASSY3Service part / kit PartsGeek
129900-77190BEARING, BALL 44Service part / kit PartsGeek
129900-77270SHAFT, PINION3Service part / kit PartsGeek
129900-77280SWITCH ASSY, MAGNET2Service part / kit PartsGeek
129900-77290CASE, GEAR2Service part / kit PartsGeek
129900-77380RETAINER, BEARING2Service part / kit PartsGeek
129900-77390LEVER ASSY, SHIFT2Service part / kit PartsGeek
129900-77400ARMATURE ASSY2Service part / kit PartsGeek
129900-77420COVER KIT, DUST2Service part / kit PartsGeek
129900-77440COIL ASSY, FIELD2Service part / kit PartsGeek
129900-77450BRUSH, +3Service part / kit PartsGeek
129900-77460COVER, REAR2Service part / kit PartsGeek
129900-77480HOLDER ASSY, BRUSH2Service part / kit PartsGeek
129900-77510PINION ASSY,W/CLUTCH3Service part / kit PartsGeek
129900-77520CLUTCH ASSY4Service part / kit PartsGeek
129900-77540SHAFT, PINION4Service part / kit PartsGeek
129900-77550STOPPER SET, PINION4Service part / kit PartsGeek
129900-77591SWITCH ASSY, MAGNET2Service part / kit PartsGeek
129900-77610RETAINER, BEARING4Service part / kit PartsGeek
129900-77620LEVER SET, SHIFT2Service part / kit PartsGeek
129900-77650COVER KIT, DUST2Service 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
25%4.91.3
50%7.62.0
75%10.32.7
100%13.63.6
Standby25%4.91.3
Standby50%7.62.0
Standby75%10.32.7
Standby100%13.63.6

Available documents

Brochure (Kohler)Spec sheet (Kohler)Installation manual — tt1364 (Kohler)

Other sets with this engine

Kohler 33EFORZDWestquip WQ40-STATdiador HYW-41 T5