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MTU 183 engine specifications and manuals - amp

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MTU 183 series engines are the Mercedes OM442, OM443, OM444 industrial range of engines

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dimensions and weight, 
essential bolt tightening torques, 

characteristics of the engine 
e.g. its power and torque. 

Essential bolt tightening torques are
 main bearing cap bolt torque, 
 connecting rod cap bolt torque 
 and the cylinder head bolt torques.
 


 
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Workshop manuals, specs and bolt torques for MTU 183 engines - amp

 
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MTU 183 Essential Diesel Engine Bolt Tightening Torques

 
MTU183 
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

Main Bearing Cap Screws
Lateral
step 1 = 80 Nm

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engine manuals and specs 
 
MTU183
Connecting Rod Bolts

step 1 = 100 Nm
step 2 = + 90-100 degrees

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engine manuals and specs  
 
MTU183
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

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engine manuals and specs
 

MTU183 Diesel engine workshop repair manuals and other literature

 
MTU 183 series 
om440 off-highway workshop and maintenance manual 
596 pages

MTU 183 series 
om440 off-highway specifications manual 
66 pages

ADE/Mercedes om442, om443 & om444 engine 
performance curves collection 
9 pages, Click to download

Mercedes om444 engine 
Spec Sheet 
4 pages, Click to download

MTU183 (om442, om443 & om444)Diesel Engine Specs

 
MTU183
Arrangement

om442
v8 engine
4-stroke cycle
Naturally aspirated

om442A
v8 engine
4-stroke cycle
Turbocharged

om442LA
v8 engine
4-stroke cycle
Turbocharged
Intercooled

om443
v10 engine
4-stroke cycle
Naturally aspirated

om443A
v10 engine
4-stroke cycle
Turbocharged

om443LA
v10 engine
4-stroke cycle
Turbocharged
Intercooled

om444
v12 engine
4-stroke cycle
Naturally aspirated

om444A
v12 engine
4-stroke cycle
Turbocharged

om444LA
v12 engine
4-stroke cycle
Turbocharged
Intercooled

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engine manuals and specs 
 
MTU183
Designations,
bore and stroke

Designations
German - English
A = Turbocharger = T
L = Intercooler = I
OM = Diesel engine = ADE 

e.g 
om442LA = ADE442TI

Bore
ADE 
Naturally aspirated
 = 130 mm

Other
Turbo models
 = 128.00 mm

Stroke
142.00 mm

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engine manuals and specs  
 
MTU183
Displacement, Compression ratio
and weight

Displacement
om442 - 15.080 liter
om443 - 18.267 liter
om444 - 22.618 liter

Compression ratio
Naturally aspirated = 16.9:1
Turbocharged = 16.25:1

Weight approx
om442 - 815 kg
om442A - 865 kg
om443 - 965 kg
om443A - 1020 kg
om444 - 1115 kg
om444A - 1165 kg
om444LA - 1220 kg

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engine manuals and specs  
 
MTU183
Designations, power
and torque

Designations
German - English
A = Turbocharger = T
L = Intercooler = I
OM = Diesel engine = ADE

Power
om442 - 213 kW @ 2100 rpm
om442A - 260 kW @ 2100 rpm
om442LA - 320 kW @ 2100 rpm

om443 - 266 kW @ 2100 rpm
om443A - 325 kW @ 2100 rpm
om443LA - 400 kW @ 2100 rpm

om444 - 320 kW @ 2100 rpm
om444A - 390 kW @ 2100 rpm
om444LA - 480 kW @ 2100 rpm

Torque
om442 - 1100 Nm @ 1200 rpm
om442A - 1600 Nm @ 1200 rpm
om442LA - 1765 Nm @ 1200 rpm

om443 - 1375 Nm @ 1200 rpm
om443A - 2000 Nm @ 1200 rpm
om443LA - 2200 Nm @ 1200 rpm

om444 - 1650 Nm @ 1200 rpm
om444A - 2400 Nm @ 1200 rpm
om444LA - 2650 Nm @ 1200 rpm

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engine manuals and specs  
 

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