HomeFG WilsonFG Wilson MJB 200 SB4

FG Wilson MJB 200 SB4 Generator Set

The FG Wilson MJB 200 SB4 is a 40 kW (50 kVA) standby generator set powered by a Perkins 1104C-44TG2/3 engine. It is available at 480 V and 400 V, 3-phase and 50 Hz. It holds about 17.4 L (4.6 gal) of oil and 125 L (33.0 gal) of coolant, with a maximum ambient rating of 50 °C. The set measures 1870×840×1336 mm (73.6×33.1×52.6 in) and weighs about 851 kg (1876 lb). An integrated tank holds 1870 L (494.0 gal).

40 kW
Standby
4.4 L
Displacement
17.4 L
Oil capacity
1
Document types

How to read your FG Wilson serial & model number →

Specifications

Frequency50.0 Hz
Standby power40 kW
Standby kVA50
Oil capacity17.4 L
AlternatorMarelli Mark V SHUNT
Voltage options480 V, 400 V
Phase3
Power factor0.8
Circuit breaker[17.4, 4.6] A
Coolant capacity125.0 L
Max ambient50.0 °C
Dimensions (L×W×H)1870×840×1336 mm
Dry weight851 kg
Wet weight964 kg
Fuel tank1870.0 L

Engine

Perkins 1104C-44TG2/3
Oil capacity8.0 L
Coolant capacity12.6 L
Displacement4.4 L
AspirationTurbocharged
Rated speed1500 rpm

Maintenance & consumables

for the Perkins 1104C-44TG2/3
ItemSpecCapacityPart #Interval
Air filterReplaceable Element9010471020 hr PartsGeek dieselpartscenter $32.62
Fuel filterReplaceable Element1020 hr find
Oil filterT741050211020 hr PartsGeek
Belt1500 hr find
Coolant1500 hr
Coolant filter find
Oil800 hr

Compatible filters for the Perkins 1104C-44TG2/3 — cross-referenced via Donaldson. Options to verify against your serial number, not confirmed for this exact unit.

  • Fuel filter: Fg Wilson 901214 Fg Wilson 1000063247 Fg Wilson 1000051232 Perkins T64102003 Perkins 2656F823

Common questions

What is the power rating of the FG Wilson MJB 200 SB4?

The FG Wilson MJB 200 SB4 is rated 40 kW standby (50.0 kVA).

What engine does the FG Wilson MJB 200 SB4 use?

The FG Wilson MJB 200 SB4 is powered by the Perkins 1104C-44TG2/3 engine.

What is the oil capacity of the FG Wilson MJB 200 SB4?

The Perkins 1104C-44TG2/3 engine in the FG Wilson MJB 200 SB4 has an oil capacity of 8.0 liters.

What alternator does the FG Wilson MJB 200 SB4 use?

The FG Wilson MJB 200 SB4 uses a Marelli Mark V SHUNT alternator.

Fuel consumption

RatingLoadL/hgal/h
Prime100%
Standby
Standby50%

Available documents

Spec sheet — P50-4(4PP)GB(0514) (FG Wilson)Spec sheet — P55-3(4PP)GB(0514) (FG Wilson)Spec sheet — P55-4(4PP)GB(0514) (FG Wilson)Spec sheet — P55-4(4PP)GB(0813) (FG Wilson)