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SDMO R120UC Generator Set

The SDMO R120UC is a 106 kW (132 kVA) standby generator set powered by a John Deere 4045HF275 engine. It is available at 480/277 V, 220/127 V and 208/120 V, 3-phase and 60 Hz. It holds about 3.6 L (1.0 gal) of oil and 5.3 L (1.4 gal) of coolant. The set measures 2602×1170×1900 mm (102.4×46.1×74.8 in), weighs about 2100 kg (4630 lb) and produces 69.6 dBA at 23 m. The same 4045HF275 engine also powers generator sets from Kohler.

106 kW
Standby
4.48 L
Displacement
3.6 L
Oil capacity
1
Document types

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Specifications

Frequency60.0 Hz
Standby power106 kW
Standby kVA132
Prime power96 kW
ControllerNexys
Oil capacity3.6 L
AlternatorLeroy-Somer LSA442S7 (4-pole, Class IP23 insulation)
Voltage options480/277 V, 440/254 V, 220/127 V, 240/139 V, 208/120 V
Phase3
Power factor0.8
Dimensions (L×W×H)2602×1170×1900 mm
Dry weight2100 kg
Sound level69.6 dBA @ 23 m
Tank runtime505 hr

Engine

John Deere 4045HF275
Oil capacity3.6 L
Coolant capacity5.3 L
Displacement4.48 L
AspirationTurbocharged, Charge Air-Cooled
Rated speed1800 rpm

Filters for the John Deere 4045HF275

6

Engine-mounted filters the filter manufacturers list for this engine family. These come from the engine, not from this generator set’s own parts list, so confirm against your serial number before ordering.

SystemFilterDescriptionCross-references
Oil filterP551352Lube Filter, Spin-On Full FlowJOHN DEERE DZ118286, JOHN DEERE PMLF3703, NAPA 401062, BALDWIN B40168 buy
Oil filterP550020Lube Filter, Spin-On Full FlowJOHN DEERE AR58956, JOHN DEERE AT19044T, NAPA 1243, RENAULT VI 0003132302 KuduParts $23.00 FridayParts $25.67
Fuel filterP551130Fuel Filter, BoxJOHN DEERE AR50041, JOHN DEERE R16951, NAPA 3370, BALDWIN BF909 KuduParts $37.00
Fuel filterP550090Fuel Filter, In-LineJOHN DEERE AE20952, JOHN DEERE AT101565, ASV INCORPORATED 0201914, LOESING 025125 FridayParts $45.66
Fuel / water separatorP551423Fuel Filter, Water Separator Spin-OnJOHN DEERE RE503254, JOHN DEERE RE50455, NAPA 3531, NAPA 600091 KuduParts $18.00 FridayParts $20.00
Fuel / water separatorP551424Fuel Filter, Water Separator Spin-OnJOHN DEERE RE503198, JOHN DEERE RE522868, NAPA 3532, NAPA 600094 KuduParts $16.00 FridayParts $18.50

Same engine, other brands

1 brand

The John Deere 4045HF275 in this set also powers 1 generator set sold under 1 other brand. Service parts and maintenance intervals for the engine are shared; enclosure, alternator, controller and ratings are not.

BrandModels
Kohler100REOZJC

Maintenance & consumables

for the John Deere 4045HF275
ItemSpecCapacityPart #Interval
Air filter—
Fuel filter—
Oil filter—500 hr
Battery—
Belt—
Coolant—
Oil3.6—500 hr
Spark plug—

Compatible filters for the John Deere 4045HF275 — cross-referenced via Donaldson. Options to verify against your serial number, not confirmed for this exact unit.

  • Air filter: Sdmo 330570116 Sdmo 330570115 John Deere AL204809 John Deere AT390262 John Deere AT390261
  • Fuel filter: Sdmo 330560651 Sdmo 330560552 Sdmo 330560611 John Deere AE20952 John Deere AT274723
  • Oil filter: Sdmo 330510062 Sdmo 330560546 Sdmo 330560553 John Deere RE519987 John Deere MIU800650

Common questions

What is the power rating of the SDMO R120UC?

The SDMO R120UC is rated 106 kW standby (132.0 kVA).

Which engine powers the SDMO R120UC?

The SDMO R120UC is powered by the John Deere 4045HF275 engine.

How much oil does the SDMO R120UC take?

The John Deere 4045HF275 engine in the SDMO R120UC has an oil capacity of 3.6 liters.

What is the cooling system capacity of the SDMO R120UC?

The SDMO R120UC cooling system holds 5.3 liters (1.4 US gallons) for the engine, per the manufacturer specification sheet.

What is the prime power rating of the SDMO R120UC?

The SDMO R120UC is rated 96 kW prime (120 kVA), against 106 kW standby.

What is the sound level of the SDMO R120UC?

The SDMO R120UC is rated at 69.6 dBA at 23 m, per the manufacturer specification sheet.

What is the dry weight of the SDMO R120UC?

The SDMO R120UC has a dry weight of 2100 kg (4629 lb).

What voltages is the SDMO R120UC available in?

The SDMO R120UC is offered in 480/277 V, 440/254 V, 220/127 V, 240/139 V, 208/120 V, 3-phase.

What alternator does the SDMO R120UC use?

The SDMO R120UC uses a Leroy-Somer LSA442S7 alternator. It has 4 poles. Insulation class IP23.

What oil filter fits the SDMO R120UC?

The SDMO R120UC uses oil filter part numbers SDMO 330510062, SDMO 330560546.

Which fuel filter part number does the SDMO R120UC take?

The SDMO R120UC uses fuel filter part numbers SDMO 330560651, SDMO 330560552.

Which air filter part number does the SDMO R120UC take?

The SDMO R120UC uses air filter part numbers SDMO 330570116, SDMO 330570115.

Parts

1
Part #DescriptionQtySystem
GM32386-KP1Exhaust Silencer, HospitalService 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.

Available documents

Spec sheet — R120UC

This page was generated from the 1 manufacturer document above by automated extraction; every figure shown is copied from one of them. How the data is compiled.

Other sets with this engine