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Mitsubishi S4S Series (39.5-74 HP) Industrial Engines

Mitsubishi S4S Series (39.5-74 HP) Industrial Engines

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Mitsubishi S4S Series (39.5-74 HP) Industrial Engine


This engine combines low noise and exhaust levels with excellent power capacity. Low noise and low exhaust are becoming increasingly important factors, especially for machines that operate in urban areas, particularly residential areas, during the night and indoors; this is the engine for urban work in the future. Clean emission.

S4S-DT-5

Mitsubishi S4S Series (39.5-74 HP) Industrial Engine


Model


S4S

S4S-DT


Type

4-cycle water-cooled, diesel

Natural-aspirated

Turbocharged

Bore x Stroke (mm)

94 x 120

Cylinder arrangement

Inline 4 Cyl.

Total Displacement

3.331

Combustion System

Swirl Chamber

Direct Injection

Dry Weight kg/lbs.

245/540

250/551

Starting System

12 Volt Electric

Fuel Oil

Diesel fuel oil (ASTM No. 2-D)


Continuous Power Rating Output HP (kWm)

1500 rpm

1800 rpm 2000 rpm 2200 rpm 2500 rpm

42.0 (31.3)

57.0 (42.5)

49.6 (37.0)

67.0 (50.0)

54.8 (40.9)

72.4 (54.0)

57.8 (43.1)

76.7 (57.2)

63.0 (47.0)

83.1 (62.0)


Prime Power Rating Output HP (kWm)

60 Hz 1800 rpm

44.0 (32.8)

57.3 (42.7)

Stand-by
Rating Output HP (kWm)

60 Hz 1800 rpm

46.4 (34.3)

60.3 (45.0)



CONSTRUCTION:

Ribbed thin-wall cast iron crankcase for added strength and durability
Internal crankcase breather for reduced emissions (naturally aspired model only) Extra large bearing surfaces for low bearing loads and long life



LUBRICATION:

Designed to run at up to 25 degrees of inclination

Full flow spin-on cartridge filter
Forced circulation by trochoid gear pump Oil Capacity: 2.64 gal. (10 ltr)


FUEL & COMBUSTION SYSTEMS:


Bosch style fuel injection pump


MOUNTING:


Standard crankcase side mounting pads for flexible mounting arrangements Rear engine support available from side mounting pads on SAE 3 housing



COOLING:


Forced circulation by centrifugal pump
Cooling packages available for ambient temperatures up to 108 F (42 C)

Cooling Fan (Std. Eqt.) :

Variable Speed (VS)--Suction Generator Drive (GD)--Pusher



ELECTRIC SYSTEM:


Starter: 12V, 2.2kW
Alternator: 12V, 50 amp with integral regulator
Glow Plugs: 12V
High water temperature and low oil pressure switches Stop Solenoid: 12V, energized to run (ETR) solenoid



GOVERNING:
Mechanical governing is provided for either variable or constant speeds


DRIVES:
SAE 3 flywheel housing and 11.5in flywheel (GD & VS models)

Rotation direction: counter-clockwise, facing the flywheel Side PTO drives are available for mounting at the gear end

Hiersun Group have been serving industrial, Construction, mining, oil & gas industry for over decades. We acquire surplus new Cat & Perkins engines, Mitsubishi and Isuzu from our worldwide network of dealers in order to cater to our customers by supplying engines for literally 20% to 50% of the price for the same engine from the dealer. We mastered the art of building engines according to manufacturer's specs. We have  experienced trained technicians and state-of-the-art machine assembly center to modify the engine to fit your application etc. 

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