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OM407 - OM409 engine specifications and manuals - amp

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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 OM407-OM409 engines - amp

 
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OM407 - OM409 Essential Diesel Engine Bolt Tightening Torques

 
OM407 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
 
OM407 Mercedes
Connecting Rod Bolts

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

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engine manuals and specs
 
OM407 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
 

OM407-OM409 Diesel Engine workshop repair Manuals

 
ADE/Mercedes OM407 & OM409 engine 
workshop manual 
151 pages, Click to download
ADE 407 engines 
performance data sheets 
6 pages, Click to download

Dimensions approx

OM407 Diesel Engine Specs

 
OM407 Mercedes
Arrangement

OM407 -ADE407N
6 Cylinder In-Line
4-stroke cycle
Naturally aspirated

ADE407C
6 Cylinder In-Line
4-stroke cycle
Compensated

OM407A - ADE407T
6 Cylinder In-Line
4-stroke cycle
Turbocharged

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engine manuals and specs
 
OM407 Mercedes
Designations,
displacement,
Compression ratio 
and weight

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

Displacement
11.41 liter

Compression ratio
407N 16.5:1
407C 16.0:1
407T 16.0:1

Weight approx
407N 795 kg, 1749 lb

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engine manuals and specs
 
OM407 Mercedes 
Designation and Power

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

Power
407N
233 hp, 174 kW @ 2200 rpm

407C
234 hp, 175 kW @ 2200 rpm

407T
276 hp, 206 kW @ 2200 rpm

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engine manuals and specs
 
OM407 Mercedes
Designations 
and Torque

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

Torque
407N
614 lb.ft, 823 Nm @ 1400 rpm

407C
727 lb.ft, 975 Nm @ 1300 rpm

407T
868 lb.ft, 1177 Nm @ 1300 rpm

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engine manuals and specs
 

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