HomeSDMOSDMO JM30U

SDMO JM30U Generator Set

The SDMO JM30U is a 28 kW (35 kVA) Diesel standby generator set powered by a John Deere 3029DF120 engine. It is available at 480/277 V, 440/254 V, 240/120 V, 230/115 V, 220/127 V and 208/120 V, 3-phase, 60 Hz and rated 97 A. It holds about 5.3 L (1.4 gal) of oil and 5.3 L (1.4 gal) of coolant, with a maximum ambient rating of 50 °C. Starting uses 1 group-12 battery at 12 V. The set measures 1480×780×1180 mm (58.3×30.7×46.5 in), weighs about 710 kg (1565 lb) and produces 73 dBA at 23 m. An integrated tank holds 108 L (28.5 gal). The same 3029DF120 engine also powers generator sets from AKSA.

28 kW
Standby
2.9 L
Displacement
5.3 L
Oil capacity
2
Document types

How to read your SDMO serial & model number →

Typical fuel consumption for 25–30 kW Diesel generators →

Compare with other 25–30 kW Diesel generators →

Service parts for the JM30U

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

FuelDiesel
Frequency60.0 Hz
Standby power28 kW
Standby kVA35
Prime power25 kW
ControllerMicroprocessor
Oil capacity5.3 L
AlternatorMecc Alte ECO28VL (4-pole, Class H insulation)
Voltage options480/277 V, 440/254 V, 240/120 V, 230/115 V, 220/127 V, 208/120 V
Phase3
Rated current97 A
Power factor0.8
Circuit breaker97 A
Battery group12 V
Battery voltage12 V
Battery quantity1
Coolant capacity5.3 L
Max ambient50 °C
Dimensions (L×W×H)1480×780×1180 mm
Dry weight710 kg
Sound level73.0 dBA @ 23 m
Fuel tank108.0 L

Engine

John Deere 3029DF120
Oil capacity6.0 L
Coolant capacity5.3 L
Displacement2.9 L
AspirationAthmo
Rated speed1800 rpm

Maintenance & consumables

for the John Deere 3029DF120
ItemSpecCapacityPart #Interval
Air filterMax. intake restriction
Fuel filterFuel System330560552 Amazon eBay $17.99 PartsGeek $11.97
Oil filterOil Pressure low idleFHU554 Amazon eBay $15.95
Battery12 V battery, rack and cable
BeltAvailable restriction on air flow300 hr
CoolantGencool16.1 L
Oil6.0 L
Spark plugCharge alternator 12 V

Compatible filters for the John Deere 3029DF120 — cross-referenced via Donaldson. Options to verify against your serial number, not confirmed for this exact unit.

  • Air filter: Sdmo 330560087 Sdmo 330560064 Sdmo 330570162 Sdmo 802290300112 John Deere AP3330

Common questions

What size generator is the SDMO JM30U?

The SDMO JM30U is rated 28 kW standby (35.0 kVA).

Which engine powers the SDMO JM30U?

The SDMO JM30U is powered by the John Deere 3029DF120 engine.

What fuel does the SDMO JM30U use?

The SDMO JM30U runs on Diesel.

What is the oil capacity of the SDMO JM30U?

The John Deere 3029DF120 engine in the SDMO JM30U has an oil capacity of 6.0 liters.

What alternator comes on the SDMO JM30U?

The SDMO JM30U uses a Mecc Alte ECO28VL alternator. It has 4 poles. Insulation class H.

What oil filter fits the SDMO JM30U?

The SDMO JM30U uses oil filter part number FHU554.

What fuel filter fits the SDMO JM30U?

The SDMO JM30U uses fuel filter part number 330560552.

What air filter does the SDMO JM30U use?

The SDMO JM30U uses air filter part numbers SDMO 330560087, SDMO 330560064.

Fuel consumption

RatingLoadL/hgal/h
Prime50%4.51.2
Prime75%6.31.7
Prime100%108.028.5
Standby100%108.028.5
Standby110%9.02.4

Available documents

Spec sheet — J30UM (SDMO)Spec sheet — JM30UM (SDMO)Parts manual — JM30U (SDMO)
Full service, cheapest listings

Priced items from this model's own parts manual.

Fuel filter 330560552$11.97
Oil filter FHU554$15.95
2 priced items$27.92