8 Technical data Model M4.55 General Make : Vetus Mitsubishi Number of cylinders : 4 Based on : S4L2-T Type : 4-stroke diesel, in-line Injection : Indirect Aspiration : Turbo-charged Bore : 78 mm Stroke : 92 mm Total displacement : 1758 cm3 (107 cu.inch) Compression ratio : 22 : 1 Idling speed : 900 rpm Max. no. of revolutions at no load : 3350 rpm Valve Clearances (cold) : Inlet 0.25 mm (0.010”) Exhaust 0.25 mm (0.010”) Weight (with standard gearbox) : 192 kg (423 lbs)
Engine installation Max. installation angle : 15 degrees backwards Max. athwartships angle : 25 degrees continuously, 30 degrees intermittent
80
Engine specifications Maximum Output at the flywheel (ISO 3046-1) at the prop shaft (ISO 3046-1) at no. of revolutions of Torque, at no. of revolutions
: : : : :
Fuel consumption
: 244 g/kW.h (179 g/hp.h) (8.6 oz/hp.h) : 1800 rpm
at no. of revolutions
38.3 kW (52 hp) 37.1 kW (50.4 hp) 3000 rpm 127 Nm (13 kgm, 93.7 ft.lb) 3000 rpm
Fuel System (Self-bleeding) Injection pump Injectors Opening pressure Firing order Injection timing Fuel filter element Fuel lift pump Suction height max. Fuel supply connection Fuel return connection
: Bosch model M (Nippon Denso) : Plug injector : 140 bar (kgf/cm3) (2030 psi) : 1- 3 - 4 - 2 : 14° BTDC : STM3690 : max. 1,5 m (5 ft) : for hose 8 mm (5/16”) I.D. : for hose 8 mm (5/16”) I.D.
