53
Technical Data
General
Engine designation .................................................. MD2010-D MD2020-D MD2030-D MD2040-D
No. of cylinders ....................................................... 2 3 3 3
Cylinder bore ............................................................ 67 mm 67 mm 75 mm 84 mm
Cylinder stroke ........................................................ 64 mm 64 mm 72 mm 90 mm
Overall cylinder displacement ................................. 0.45 liters 0.68 liters 0.95 liters 1.50 liters
Power, see sales literature
Idling speed ............................................................. 925 ±25 rpm 850 ±25 rpm 850 ±25 rpm 850 ±25 rpm
Rotation, viewed from in front ................................. Clockwise Clockwise Clockwise Clockwise
Max. permitted rake backwards while running ....... 20
o
20
o
20
o
20
o
Max. list while running ............................................. 30
o
30
o
30
o
30
o
Valve clearance (stopped, cold engine)
inlet and outlet ...................................................... 0.20 mm 0.20 mm 0.20 mm 0.20 mm
Weight, dry engine................................................... 96 kg 112 kg 123 kg 170 kg
Lubrication system
Oil capacity incl. oil filter, approx.:
no engine inclination ............................................. 1.9 liters 2.8 liters 3.5 liters 5.7 liters
Oil quality ................................................................. VDS–2 VDS–2 VDS–2 VDS–2
ACEA E5, ACEA E5, ACEA E5, ACEA E5,
API CH-4 API CH-4 API CH-4 API CH-4
Viscosity at –5
o
- +50
o
C* ......................................... SAE 15W/40, SAE 15W/40, SAE 15W/40, SAE 15W/40,
SAE 20W/50 SAE 20W/50 SAE 20W/50 SAE 20W/50
Oil drain plug tightening torque ............................... 30–40 Nm 30–40 Nm 30–40 Nm 30–40 Nm
(3.0–4.0 kpm) (3.0–4.0 kpm) (3.0–4.0 kpm) (3.0–4.0 kpm)
* Constant ambient air temperature
Cooling system
Thermostats, no. ..................................................... 1 screws 1 screws 1 screws 1 screws
The thermostat starts opening at ............................ 75
o
±2
o
C75
o
±2
o
C82
o
±2
o
C82
o
±2
o
C
fully open at ........................................ 87
o
C87
o
C95
o
C95
o
C
Freshwater system capacity, approx. .................... 2.3 liters 2.9 liters 4.5 liters 7.5 liters
Electrical system
System voltage ....................................................... 12 V 12 V 12 V 12 V
Fuses ....................................................................... 15A 15A 15A 15A
Battery capacity (starter battery) ............................ 70 Ah 70 Ah 70 Ah 70 Ah
AC generator voltage/max. current ....................... 14V/60A 14V/60A 14V/60A 14V/60A
output approx. ................................. 840 W 840 W 840 W 840 W
Starter motor, output approx. .................................. 0.7 kW 0.7 kW 1.2 kW 2.0 kW
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