1
L / M . . 10.98
Type 2L31 2L40 3L31 3L40 4L31 4L40
2M31 2M40 3M31 3M40 4M31 4M40
Operating cycle 4-stroke
Combustion system Direct injection
Number of cylinders 2 3 4
Bore / stroke mm 102/90 102/105 102/90 102/105 102/90 102/105
Displacemen cm
3
1470 1716 2205 2574 2940 3432
Compression ratio 18:1
Firing order, cyl.1: timing end 2-1 1-3-2 1-3-4-2
Direction of rotation anti-clockwise (looking at flywheel)
Kühlluftbedarf bei
n = 3000 min
-1
m
3
/min 25 29 35 39 46 49
Combustion air requirement
at n = 3000 rpm m
3
/min 2.1 2.6 3.2 3.9 4.2 5.2
Net weight approx. kg
L 31 S, L 40 S, M 40 223 255 291
L 31 Z, L 40 Z, M 40 Z 228 262 306
L 31 C / K, L 40 C / K 276 331 396/386
Lubricating oil pressure at n = 800 rpm min.: 0,9 bar
Lubricating oil consumption max.: 1 % of fuel consumption, at full load
Starter motor 12 V, 2,7 kW or 24 V, 4,0 kW
Alternator 14 V, 50 A or 28 V, 40 A
Battery 12 V, 88 / 143 Ah or 24 V, 55 / 110 Ah
Max. continuous inclination with and without with without only with
towards oil sump oil sump oil sump
Operating side 30° 30° 25° 25°
Flywheel side 30° 22° 25° 18°
Air outlet/starter side 30° 30° 30° 30°
Governor side 30° 25° 25° 15°
Technical data L 31, M 31, L 40, M 40
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