Motorsaazan complete gas genset with 4 cylinders and 3.99 L displacement. Specifications per supplied catalog.

Printed model code	27.33M
Engine model	MN440A-40GN
Fuel type	Natural gas
Fuel consumption basis	At 0.25 psi; load percentages vs standby power (EN datasheet)
Number of cylinders	4
Engine displacement	3.99 L
Engine displacement	244 in3
Bore	100 mm
Bore	3.935 inch
Stroke	127 mm
Stroke	5 inch
Compression ratio	9.5:1
Total oil system capacity	6.5 L
Coolant capacity (incl. radiator)	16 L
Length	1920 mm
Width	720 mm
Height	1500 mm
Fan diameter	20 inch
Alternator rating	33 kVA
Output circuit breaker	50 A
Cylinder arrangement	Vertical, inline
Air intake system	Naturally aspirated
Rotation direction	Clockwise viewed from the front of the engine
Cooling	Water-cooled with radiator and hoses
Engine cycle	Four-stroke
Firing order	1-3-4-2
Air filter	Dry dual-stage air filter fitted
Fuel pump	Single-diaphragm gas/air mixer / carburetor
Fuel filter	Gas filter and gas shut-off valve
Governor	Electronic with ECU control
Oil sump	Cast iron with oil drain and dipstick
Lubrication	Full-flow spin-on oil filter
Water pump drive	Belt-driven
Fan	Belt-driven; radiator and hoses fitted
Combustion system	ECU-controlled spark ignition
Output voltage	380 V
Frequency	50 Hz
Alternator specifications	Single-bearing, four-pole, three-phase
Chassis	5 mm steel sheet; engine and alternator on rubber mounts
Control panel	Separate control and power compartments in 1.5 mm sheet with vibration mounts; hour meter; auto shutdown on low oil pressure or high water temperature; ammeter, voltmeter, frequency meter, water-temp gauge and charge ammeter; emergency-stop button; output breaker; 7-position voltmeter
Optional equipment	12 V maintenance-free battery (optional per FA datasheet)

Fuel consumption at 1500 rpm

Standby: 13 m3/h
Prime: None m3/h
75% standby: 10.6 m3/h
50% standby: 8.3 m3/h
25% standby: 6 m3/h

Performance

Standby — 33 kVA — 50 A — @ 1500 rpm

Gas gensets

Motorsaazan Complete gas genset 27.33M