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OM447 engine specifications and manuals - amp

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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 OM447 engines - amp

 
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OM447 Essential Diesel Engine Bolt Tightening Torques

 
OM447 Mercedes
Main Bearing Bolts 

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

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engine manuals and specs 
 
OM447 Mercedes
Connecting Rod Bolts

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

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engine manuals and specs 
 
OM447 Mercedes
Cylinder Head Bolts

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

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engine manuals and specs  
 

OM447 Diesel Engine workshop repair Manuals

 
ADE447 - Mercedes OM447 engine 
workshop manual 
164 pages, Click to download
Mercedes OM447 engines 
performance data sheets 
6 pages, Click to download

Mercedes OM447 Dimensions approx

OM447 Diesel Engine Specs

 
OM447 Mercedes
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 
 
OM447 Mercedes
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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