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manual set 183, 442, 443, 444
 

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OM442 Essential Diesel Engine Bolt Tightening Torques

 

OM442 Mercedes 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

OM442 Mercedes Connecting Rod Bolts
step 1 = 100 Nm
step 2 = + 90-100 degrees

OM442 Mercedes 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

Mercedes Designations

 

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

example:
OM366 = ADE366N
OM366A = ADE366T
OM366LA = ADE366TI
OM442LA = ADE442TI

OM442 Diesel Engine Specs

 

Mercedes OM442 Displacement, Bore, Stroke, Compression Ratio, Weight

Displacement
om442 - 15.080 liter

Bore
ADE
Naturally aspirated = 130 mm

Other
Turbo models = 128.00 mm

Stroke
142.00 mm

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

Weight
approx
om442 - 815 kg
om442A - 865 kg

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

OM442 Mercedes Power and torque

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

Mercedes 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

Mercedes Diesel engine manuals and specs
Click for Mercedes Diesel Engine Manuals, bolt torques, specs

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