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OM442 engine specifications and manuals - amp

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essential bolt tightening torques, 
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e.g. its power and torque. 

Essential bolt torques are:
 main bearing cap bolts 
 connecting rod cap bolts
cylinder head bolt torques
 


 
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OM442, OM443 & OM444 Diesel Engine Specs

 
OM442 Mercedes
Designations, bore, 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 
 
OM442 Mercedes
Arrangement

om442
v8 engine
4-stroke cycle
Naturally aspirated

om442A
v8 engine
4-stroke cycle
Turbocharged

om442LA
v8 engine
4-stroke cycle
Turbocharged
Intercooled

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engine manuals and specs 
 
OM443 Mercedes
Arrangement

om443
v10 engine
4-stroke cycle
Naturally aspirated

om443A
v10 engine
4-stroke cycle
Turbocharged

om443LA
v10 engine
4-stroke cycle
Turbocharged
Intercooled

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engine manuals and specs 
 
OM444 Mercedes
Arrangement
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
 
OM442 OM443 OM444 Mercedes
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

Click for OM442,OM443, OM444 
engine manuals and specs
 
Mercedes
Designations and power

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

Click for OM442,OM443, OM444 
engine manuals and specs 

 
Mercedes
Designations and torque

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

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

Click for OM442,OM443, OM444 
engine manuals and specs 
 

More Diesel Engine Specs, Bolt torques and manuals

Click for Index to More Diesel Engine Manuals, bolt torques, specs

More Mercedes Diesel engine Specs, Bolt torques and manuals

Click for More Mercedes Diesel Engine Manuals, bolt torques, specs

ADE Diesel Engine Specs, Bolt torques and manuals

Many ADE Engines were made under licence to Mercedes, and are mostly identical engines that enjoy the same parts and procedures as Mercedes OM engines

Click for Index to ADE Diesel Engine Manuals, bolt torques, specs



 
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