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MTU 183 engine manuals and specs
The Mercedes OM442, OM443, OM444 industrial range of engines
MTU183 Essential Diesel Engine Bolt Tightening Torques
Main Bearing Cap Screws
Center 156 mm max
step 1 = 100 Nm
step 2 = 200 Nm
step 3 = 330 Nm
step 4 = + 90-100 degrees
Lateral bolts
step 1 = 80 Nm
Connecting Rod Bolts
step 1 = 100 Nm
step 2 = + 90-100 degrees
Cylinder head Bolts
step 1 = 10 Nm
step 2 = 50 Nm
step 3 = 100 Nm
step 4 = 140-150 Nm
step 5 = 180-190 Nm
step 6 = + 90-100 degrees
MTU183 series diesel engine specs
bore and stroke 442
Bore
ADE - Naturally aspirated = 130 mm
Other = 128.00 mm
Stroke
142.00 mm
Arrangement
om442
v8 engine
4-stroke cycle
Naturally aspirated
om442A
v8 engine
4-stroke cycle
Turbocharged
om442LA
v8 engine
4-stroke cycle
Turbocharged
Intercooled
Displacement
om442 - 15.080 liter
Compression ratio
Naturally aspirated = 16.9:1
Turbocharged = 16.25:1
Weight approx
om442 - 815 kg
om442A - 865 kg
power
om442 - 213 kW @ 2100 rpm
om442A - 260 kW @ 2100 rpm
om442LA - 320 kW @ 2100 rpm
torque
om442 - 1100 Nm @ 1200 rpm
om442A - 1600 Nm @ 1200 rpm
om442LA - 1765 Nm @ 1200 rpm
bore and stroke 443
Bore
ADE - Naturally aspirated = 130 mm
Other = 128.00 mm
Stroke
142.00 mm
Arrangement
om443
v10 engine
4-stroke cycle
Naturally aspirated
om443A
v10 engine
4-stroke cycle
Turbocharged
om443LA
v10 engine
4-stroke cycle
Turbocharged
Intercooled
Displacement
om443 - 18.267 liter
Compression ratio
Naturally aspirated = 16.9:1
Turbocharged = 16.25:1
Weight approx
om443 - 965 kg
om443A - 1020 kg
power
om443 - 266 kW @ 2100 rpm
om443A - 325 kW @ 2100 rpm
om443LA - 400 kW @ 2100 rpm
torque
om443 - 1375 Nm @ 1200 rpm
om443A - 2000 Nm @ 1200 rpm
om443LA - 2200 Nm @ 1200 rpm
bore and stroke 444
Bore
ADE - Naturally aspirated = 130 mm
Other = 128.00 mm
Stroke
142.00 mm
Arrangement
om444
v12 engine
4-stroke cycle
Naturally aspirated
om444A
v12 engine
4-stroke cycle
Turbocharged
om444LA
v12 engine
4-stroke cycle
Turbocharged
Intercooled
Displacement
om444 - 22.618 liter
Compression ratio
Naturally aspirated = 16.9:1
Turbocharged = 16.25:1
Weight approx
om444A - 1165 kg
om444LA - 1220 kg
power
om444 - 320 kW @ 2100 rpm
om444A - 390 kW @ 2100 rpm
om444LA - 480 kW @ 2100 rpm
torque
om444 - 1650 Nm @ 1200 rpm
om444A - 2400 Nm @ 1200 rpm
om444LA - 2650 Nm @ 1200 rpm
Diesel Engine Specs
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