
60
Model
M4.15 M4.17
General
Make
Vetus Mitsubishi
Number of cylinders
4
4
Based on
S4L-61DM
S4L2-61DM
Type
4-stroke diesel, in-line
Injection Indirect
Aspiration Natural
Bore
78 mm
78 mm
Stroke
78.5 mm
92 mm
Total displacement
1500 cm
3
1758 cm
3
Compression ratio
22 : 1
22 : 1
Idle speed
840 rpm
840 rpm
Max. no. of revolutions at
no load
3200 rpm
3200 rpm
Valve clearance (cold)
Inlet 0.25 mm
Exhaust 0.25 mm
Weight
185 kg (408 lbs)
(with standard gearbox)
Engine installation
Max. installation angle
15 degrees backwards
Max. athwartships angle
25 degrees continuously,
30 degrees intermittent
Model
M4.15 M4.17
Maximum output
at the flywheel (ISO 3046-1)
24.3 kW (33 hp) 30.9 kW (42 hp)
at the prop shaft (ISO 3046-1) 23.6 kW (32.1 hp) 30 kW (40.8 hp)
at no. of revolutions of
3000 rpm
3000 rpm
Torque,
77.4 Nm
98 Nm
(7.9 kgm,
(10 kgm,
57.1 ft.lb)
72.3 ft.lb)
at no. of revolutions
3000 rpm
3000 rpm
Fuel consumption
at no. of revolutions
252 g/kW.h
252 g/kW.h
of 1800 rpm
(185 g/hp.h)
(185 g/hp.h)
Fuel System (Self-bleeding)
Injection pump
Bosch model M (Nippon Denso)
Injectors
Plug injector
Opening pressure 140 bar (kgf/cm
2
) (2030 psi)
Firing order
1 - 3 - 4 - 2
Injection timing
21° BTDC
17° BTDC
Fuel filter element STM3690
Fuel lift pump
Suction height max.
max. 1.5 m (5 ft)
Fuel supply connection
for hose 8 mm (5/16”) I.D.
Fuel return connection
for hose 8 mm (5/16”) I.D.
Technical data
Engine specifications