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S4S and S6S engines belong to SS series. They received good reviews by worldwide customers
due to low-noise and low-emission engines which are perfect qualities for urban areas.

  S4S S4S-DT
Type 4-cycle water-cooled diesel engine
Aspiration Natural-aspirated Turbocharged
Number of cylinders 4
Bore and stroke mm 94x120
Displacement cc 3331
Combustion system Swirl chamber Direct injection
Maximum gross output kW/min-1 47 / 2500 55 / 2500
Fuel /Fuel system Diesel fuel (ASTM No.2-D) / Distributor Type
Charging alternator V-A 12-50
Starting system V-kW 12-2.2
Engine oil capacity liter 10
Dry weight(1500/1800 min-1.spec) kg 245 250
Flywheel SAE#11.5
Flywheel Housing SAE #3
  Performance Curve Dimensions(Unit:mm)
S4S Performance Curve
S4S Dimensions(Unit:mm)
S4S-DT Performance Curve
S4S-DT Dimensions(Unit:mm)