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Popular Diesel Engine Specs


OM447 Essential Diesel Engine Bolt Tightening Torques

 
Mercedes OM447
Main Bearing Bolts

12pt bolts:
 300 Nm + 90-100° 
Hex bolts: 
 80-90 Nm + 90-100°

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engine manuals and specs 
 
Mercedes OM447
Connecting Rod Bolts

step 1 = 100 Nm 
step 2 + 90-100°

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engine manuals and specs
 
Mercedes OM447
Cylinder head Bolts

step 1 =  10 Nm
step 2 =  60 Nm
step 3 = 120 Nm
step 4 = 180 Nm
final step + 90-100°

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engine manuals and specs
 

OM447 Diesel Engine workshop repair Manuals

 
Mercedes OM447 Dimensions approx Mercedes multi engine dimensions image

OM447 Diesel Engine Specs

 
Mercedes OM447
Arrangement

447N - OM447
6 Cylinder In-Line
4-stroke cycle
Naturally aspirated

447C
6 Cylinder In-Line
4-stroke cycle
Compensated

447T - OM447A
6 Cylinder In-Line
4-stroke cycle
Turbocharged

447TI - OM447LA
6 Cylinder In-Line
4-stroke cycle
turbocharged
intercooled

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engine manuals and specs
 
Mercedes OM447
Designations,
Displacement,
Compression ratio
and weight

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

Displacement
11.97 liter, 730 CID


Compression ratio
447N 16.5:1
447C 16.25:1
447T 16.25:1
447TI 16.25:1

Weight approx
447N 815 kg, 1793 lb

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engine manuals and specs
 
Mercedes OM447
Designations,
and power

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

Power
 447N
235 hp, 175 kW @ 2200 rpm

 447C
241 hp, 180 kW @ 2200 rpm

 447T
298 hp, 222 kW @ 2200 rpm

 447TI
355 hp, 265 kW @ 2100 rpm

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engine manuals and specs
 
Mercedes OM447
Designations,
and torque

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

Torque
 447N
629 lb.ft, 853 Nm @ 1400 rpm

 447C
664 lb.ft, 900 Nm @ 1300 rpm

 447T
937 lb.ft, 1270 Nm @ 1300 rpm

 447TI
1123 lb.ft, 1523 Nm @ 1100-1500 rpm

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engine manuals and specs
 



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