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Magnum MMG45FHKCAN6 Generator Set

The Magnum MMG45FHKCAN6 is a 43 kW (58 kVA) standby generator set powered by a Kubota V3600-T-E3BG engine. It is available at 600 V, 480 V, 208 V and 240 V, 3-phase and 60 Hz. It holds about 13.2 L (3.5 gal) of oil and 16.6 L (4.4 gal) of coolant. Starting uses 1 group-24 battery rated 720 CCA at 12 V. The set weighs about 952 kg (2099 lb) and produces 68 dBA at 23 m. An integrated tank holds 401 L (105.9 gal). The same V3600-T-E3BG engine also powers generator sets from Generac.

43 kW
Standby
3.6 L
Displacement
13.2 L
Oil capacity
1
Document types

Service parts for the MMG45FHKCAN6

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

Fuel system

1 required

Oil system

1 required

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

Specifications

Frequency60.0 Hz
Standby power43 kW
Standby kVA58
Prime power42 kW
ControllerMagnum Digital (MDC)
Oil capacity13.2 L
AlternatorMarathon 284PSL5258
Voltage options600 V, 480 V, 208 V, 240 V
Phase3
Power factor{'1': 1, '3': 0.8}
Battery group24
Battery cranking720 CCA
Battery voltage12 V
Battery quantity1
Dry weight952 kg
Sound level68.0 dBA @ 23 m
Fuel tank401.0 L

Engine

Kubota V3600-T-E3BG
Oil capacity13.2 L
Coolant capacity16.6 L
Displacement3.6 L
Aspirationturbocharged
Rated speed1800 rpm

Filters & service parts

model family
ItemSpecCapacityPart #Interval
Air filter250 hr
Fuel filterAPI SL or better8944015310500 hr Amazon eBay $86.33
Oil filterAPI SL or better58761000801000 hr Amazon eBay $16.89 PartsGeek $7.98
Battery500 hr
Belt1000 hr
Coolant1000 hr
Oil500 hr
Spark plug1000 hr

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 is the power rating of the Magnum MMG45FHKCAN6?

The Magnum MMG45FHKCAN6 is rated 43 kW standby (58.0 kVA).

Which engine powers the Magnum MMG45FHKCAN6?

The Magnum MMG45FHKCAN6 is powered by the Kubota V3600-T-E3BG engine.

What's the oil capacity on a Magnum MMG45FHKCAN6?

The Kubota V3600-T-E3BG engine in the Magnum MMG45FHKCAN6 has an oil capacity of 13.2 liters.

Which alternator is fitted to the Magnum MMG45FHKCAN6?

The Magnum MMG45FHKCAN6 uses a Marathon 284PSL5258 alternator.

Which oil filter part number does the Magnum MMG45FHKCAN6 take?

The Magnum MMG45FHKCAN6 uses oil filter part number 5876100080.

What fuel filter fits the Magnum MMG45FHKCAN6?

The Magnum MMG45FHKCAN6 uses fuel filter part number 8944015310.

Troubleshooting

6

Symptoms & remedies

SymptomCauseRemedy
LOW FUEL LEVEL SHUTDOWNFuel level is low, fuel tank has leaks, or fuel level sender and wiring are damaged.Check the fuel level, check for leaks, inspect the fuel level sender and wiring.
LOW OIL PRESSURE SHUTDOWNOil level is low or engine has oil leaks.Check the oil level, visually inspect the engine for leaks, check the oil pressure sender.
LOW COOLANT LEVEL SHUTDOWNCoolant level is low or coolant has mixed with oil.Check the coolant level, inspect hoses and engine for leaks, check the engine oil.
HIGH COOLANT TEMPERATURE SHUTDOWNCoolant temperature is too high.Check the coolant level, add coolant if necessary, inspect hoses and engine for leaks, check serpentine drive belt tension.
OVERCRANK SHUTDOWNEngine will not start.Check fuel level, check fuel pump operation, clean air filter.
OVERSPEED OR UNDERSPEED SHUTDOWNEngine speed is above or below 60.0 Hz.Disconnect all loads and check engine speed with no load, adjust throttle as needed.

Fault codes and symptom→remedy steps extracted from this model’s service/owner documentation; verify against the official manual before servicing. Full Magnum MMG45FHKCAN6 troubleshooting guide (9 entries) →

Parts

44
Part #DescriptionQtySystem
01458Control door assembly1Control door assembly Amazon eBay
014603 Pos Phase Switch1Phase switch Amazon eBay
01481CHECK DAILY1Check daily Amazon eBay
01482CHECK DAILY1Check daily Amazon eBay
13515Filter, fuel element, Kubota1Filter Amazon eBay
13682Heater, fuel filter1Heater Amazon eBay $118.99
13834Gasket, heated fuel filter1Gasket Amazon eBay
18085Washer, .510 snub 2.00/.1302Washer Amazon eBay
21261Generator, 284PSL1508 MMG45FHK & CAN1Generator Amazon eBay
22788Isolator, rubber 350lbs2Isolator Amazon eBay FridayParts $66.80
29998Hub, fan clutch mount - V36001Hub Amazon eBay
32019BBracket, clutch fan1Bracket Amazon eBay
32334Harness, heated fuel filter - inside1Harness Amazon eBay
34238Generator, 284PSL5258 MMG45FHKCAN61Generator Amazon eBay
34424Decal Set, Voltage Selector Switch (x2)1Voltage selector switch decal set Amazon eBay
34550Decal, 600V Circuit Breakers (MMG45FHKCAN6 only)1Circuit breakers 600v decal Amazon eBay
60113Screw, M8-1.25 x 16 sflg hex G8.8 ZC2Screw Amazon eBay
60412Nut, .312-18 hex G5 ZC1Nut Amazon eBay
60717Screw, .375-16 x .750 soc hex8Screw Amazon eBay
61094Screw, .500-13 x 3.50 std hex, G82Screw Amazon eBay
65519BLOCK, TERMINAL - 4 POLE STUD TYPE1Block Amazon eBay
65788Strain relief - 2.00 Romex1Strain relief Amazon eBay
20568Assembly, engine-Service part / kit Amazon eBay KuduParts $73.00
21259Decal, Battery Charger (Optional)1Service part / kit Amazon eBay
23827Decal, Controller Switches1Service part / kit Amazon eBay
26286Decal, Hood Service1Service part / kit Amazon eBay FridayParts $229.95
26386Decal, pinch point1Service part / kit Amazon eBay
26387Decal Set, Rear Hood Latch1Service part / kit Amazon eBay FridayParts $18.23
27433Decal, Ultra Low Sulfur Fuel Only1Service part / kit Amazon eBay
27473Cap, oil fill1Service part / kit Amazon eBay
27658Actuator, governor1Service part / kit Amazon eBay
28964Decal, Engine Block Heater (Optional)1Service part / kit Amazon eBay
31024Decal, Fan Clutch (Optional)1Service part / kit Amazon eBay
34275Decal, Caution - 120 & 240 Outlets: 600V (MMG100CAN6 Only)1Service part / kit Amazon eBay
34425Decal, Terminal Connections - 600V1Service part / kit Amazon eBay
60012Washer, M12 flat10Service part / kit Amazon eBay
60119Washer, .312 flat .875/.07010Service part / kit Amazon $24.95 eBay
60168Screw, .312-18X.750 hx hd2Service part / kit Amazon eBay
60271Washer, .312 split lock1Service part / kit Amazon eBay KuduParts $41.00
60352Screw, .375-16 x 1.25 hex2Service part / kit Amazon eBay
60416Washer, .500 flat 1.375/.0902Service part / kit Amazon eBay
60703WASHER, .375 SPLIT LOCK, SS12Service part / kit Amazon eBay
62221Nut, .500-13 nylock, G52Service part / kit Amazon eBay
MMG45KGenerator Make: _______________________________________ Generator Model Number:________________________________ Generator Serial Number: ________________________________Service part / kit Amazon eBay

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
Prime3.613.6
Prime100%6.81.8
Standby100%4.53.6

Available documents

Service manual — 34423 (Magnum)
Full service, cheapest listings

Priced items from this model's own parts manual.

Fuel filter 8944015310$86.33
Oil filter 5876100080$7.98
2 priced items$94.31
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