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John Deere MLG15M Generator Set

The John Deere MLG15M is a 14 kW (14 kVA) Natural standby generator set powered by a Mitsubishi S4L2-W461ML engine. It is available at 120/240 V, single-phase, 60 Hz and rated 58 A. It holds about 5.4 L (1.4 gal) of oil and 11 L (2.9 gal) of coolant. Starting uses 1 battery rated 440 CCA at 12 V. The set measures 1676×1727×1422 mm (66.0×68.0×56.0 in), weighs about 646 kg (1424 lb) and produces 68 dBA at 7 m. An integrated tank holds 212 L (56.0 gal), roughly 43 hours of runtime. The same S4L2-W461ML engine also powers generator sets from Generac, Magnum and Mitsubishi.

14 kW
Standby
1.76 L
Displacement
5.4 L
Oil capacity
1
Document types

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Typical fuel consumption for 10–15 kW Natural Gas generators →

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Service parts for the MLG15M

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

Fuel system

1 required
12262Fuel filter$61.69eBay

Oil system

1 required

Belts

1 required

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

Specifications

FuelNatural
Frequency60.0 Hz
Standby power14 kW
Standby kVA14
Prime power13 kW
EmissionsTier 4
Oil capacity5.4 L
AlternatorMarathon Brushless/F
Voltage options120/240 V
Phase1
Rated current58 A
Power factor1.0
Battery cranking440 CCA
Battery voltage12 V
Battery quantity1
Dimensions (L×W×H)1676×1727×1422 mm
Dry weight646 kg
Wet weight827 kg
Sound level68.0 dBA @ 7 m
Fuel tank212.0 L
Tank runtime43 hr

Engine

Mitsubishi S4L2-W461ML
Oil capacity5.4 L
Coolant capacity11.0 L
Displacement1.76 L
Aspirationnaturally aspirated
Rated speed1800 rpm

Maintenance & consumables

for the Mitsubishi S4L2-W461ML
ItemSpecCapacityPart #Interval
Air filterAir filter element1000 hr
Fuel filterOptional heated fuel filter122621000 hr Amazon eBay $61.69
Oil filter0A453102441000 hr Amazon $12.99 eBay $24.99
Battery500 hr
BeltAlternator belt12141250 hr Amazon eBay $13.60
Coolant11.6 qt1000 hr
Oil5.7 qt250 hr
Spark plug1000 hr

Compatible filters for the Mitsubishi S4L2-W461ML — cross-referenced via Donaldson. Options to verify against your serial number, not confirmed for this exact unit.

  • Air filter: Generac OE3557 Generac OE3656 Mitsubishi MD623028 Mitsubishi 91B6100800 Donaldson P821575

Common questions

What size generator is the John Deere MLG15M?

The John Deere MLG15M is rated 14 kW standby (14.0 kVA).

Which engine powers the John Deere MLG15M?

The John Deere MLG15M is powered by the Mitsubishi S4L2-W461ML engine.

What kind of fuel does the John Deere MLG15M run on?

The John Deere MLG15M runs on Natural.

How much oil does the John Deere MLG15M take?

The Mitsubishi S4L2-W461ML engine in the John Deere MLG15M has an oil capacity of 5.4 liters.

Which alternator is fitted to the John Deere MLG15M?

The John Deere MLG15M uses a Marathon Brushless/F alternator.

What oil filter fits the John Deere MLG15M?

The John Deere MLG15M uses oil filter part number 0A45310244.

Which fuel filter part number does the John Deere MLG15M take?

The John Deere MLG15M uses fuel filter part number 12262.

What air filter does the John Deere MLG15M use?

The John Deere MLG15M uses air filter part numbers GENERAC OE3557, GENERAC OE3656.

Available documents

Reference — MMG330 Brochure (John Deere)
Full service, cheapest listings

Priced items from this model's own parts manual.

Fuel filter 12262$61.69
Oil filter 0A45310244$12.99
Belt 12141$13.60
3 priced items$88.28
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