Mercedes OM442 Manuals, Engine Specifications & Bolt Torques

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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

OM442 Mercedes
Designations
German - English

A = Turbocharger = T
L = Intercooler = I
OM = Diesel engine = ADE

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

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