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Caterpillar GEP150 Generator Set

The Caterpillar GEP150 is a 120 kW (150 kVA) Diesel standby generator set powered by a Perkins 1106C-E66TAG2 engine. It is available at 220/127 V and 380 V, 3-phase, 50 Hz and rated 135 A. It holds about 16.5 L (4.4 gal) of oil and 21 L (5.5 gal) of coolant, with a maximum ambient rating of 50 °C. Starting uses 1 group-12 battery at Negative V. The set measures 2701×900×1545 mm (106.3×35.4×60.8 in), weighs about 1528 kg (3369 lb) and produces 10.5 dBA at 1 m. An integrated tank holds 279 L (73.7 gal), roughly 33.2 hours of runtime. The same 1106C-E66TAG2 engine also powers generator sets from FG Wilson, Olympian and Perkins.

120 kW
Standby
6.6 L
Displacement
16.5 L
Oil capacity
2
Document types

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Typical fuel consumption for 120–125 kW Diesel generators →

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Service parts for the GEP150

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

Oil system

1 required

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Specifications

FuelDiesel
Frequency50.0 Hz
Standby power120 kW
Standby kVA150
Prime power108 kW
EmissionsEU Stage II
ControllerElectronic
Oil capacity16.5 L
AlternatorLeroy-Somer LL3014F
Voltage options220/127 V, 60 V, 380 V, 415 V, 50 V
Phase3
Rated current135.0 A
Power factor0.8
Circuit breaker3 Pole MCCB A
Battery group12
Battery voltageNegative V
Battery quantity1
Coolant capacity21.0 L
Max ambient50.0 °C
Dimensions (L×W×H)2701×900×1545 mm
Dry weight1528 kg
Fuel tank279.0 L
Tank runtime33.2 hr

Engine

Perkins 1106C-E66TAG2
Oil capacity15.5 L
Coolant capacity21.0 L
Displacement6.6 L
AspirationDiesel 4-Stroke / water
Rated speed1500 rpm

Maintenance & consumables

for the Perkins 1106C-E66TAG2
ItemSpecCapacityPart #Interval
Air filterPaper Element1000 hr
Fuel filterReplaceable Element1000 hr
Oil filterSpin-On, Full Flow2654A1111000 hr Amazon $25.11 eBay $23.99 FridayParts $28.06
BatteryAZF starter - Battery must not exceed 2400 CCA.×11000 hr
BeltM IS 64 HBM IS1000 hr
OilAPI CG4 15W-40
Spark plug12/Negativo1800 hr

Common questions

What is the power rating of the Caterpillar GEP150?

The Caterpillar GEP150 is rated 120 kW standby (150.0 kVA).

What engine does the Caterpillar GEP150 use?

The Caterpillar GEP150 is powered by the Perkins 1106C-E66TAG2 engine.

Is the Caterpillar GEP150 diesel or gas?

The Caterpillar GEP150 runs on Diesel.

How much oil does the Caterpillar GEP150 take?

The Perkins 1106C-E66TAG2 engine in the Caterpillar GEP150 has an oil capacity of 15.5 liters.

What alternator comes on the Caterpillar GEP150?

The Caterpillar GEP150 uses a Leroy-Somer LL3014F alternator.

Which oil filter part number does the Caterpillar GEP150 take?

The Caterpillar GEP150 uses oil filter part number 2654A111.

Fuel consumption

RatingLoadL/hgal/h
Prime75%26.47.0
Prime100%30.78.1
Standby75%18.54.9
Standby100%33.28.8

Available documents

Spec sheet — GEP150-2 (Caterpillar)Reference — LECW2462-01 (Caterpillar)
Full service, cheapest listings

Priced items from this model's own parts manual.

Oil filter 2654A111$23.99
1 priced item$23.99