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OM457 engine specifications and manuals - amp

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engine images, displacement, 
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 OM457 engines - amp

 
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OM457 Essential Diesel Engine Bolt Tightening Torques

 
OM457 Mercedes
Main Bearing Bolts 

step 1 = 100 Nm
step 2 = 200 Nm
step 3 = + 30 degrees
step 4 = + 90-100 degrees

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engine manuals and specs 
 
OM457 Mercedes
Connecting Rod Bolts

Step 1	100 - 110 Nm	
Step 2	 90 - 100 degrees	

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engine manuals and specs  
 
OM457 Mercedes
Cylinder Head Bolts

Step 1	10 Nm	
Step 2	50 Nm	
Step 3	100 Nm	
Step 4	200 Nm	
Step 5	90 degrees	
Step 6	90 degrees	

*Check data sheet if new
 bolts are fitted.

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engine manuals and specs 
 

OM457 Diesel Engine workshop repair Manuals

 
Mercedes om457 om501 om502 om900 
maintenance and repair manual 
174 pages, Click to download
Mercedes om457 
data sheet snip 
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Mercedes om457 
21 page - Spanish specs booklet 
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Mercedes om457 
138 page - Parts book 
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Mercedes om457 
1 page - Spec Sheet 
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OM457 Diesel Engine Specs

 
OM457 Mercedes
Arrangement and dimensions

Arrangement
OM457LA
6 Cylinder In-Line
4-stroke cycle
turbocharged
intercooled

Dimensions
length - 1365 mm
width - 830 mm
heitht - 1110 mm

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OM457 Mercedes
Designations, displacement,
compression ratio and weight

Designations
German - English
A = 
Abgasturboaufgeladen 
- Turbocharged = T

L = 
ladeluftgekahlt 
- Intercooled = I

OM = Diesel engine = ADE

Displacement
11.97 liter, 730 CID

Compression ratio
457LA 17.25:1

Weight
approx
920 kg, 2028 lb

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engine manuals and specs  
 
OM457 Mercedes
Power and torque

Power
OM457LA
265 kW @ 2100 rpm
242 kW @ 1800 rpm

Torque
OM457LA
1600 Nm @ 1200 rpm

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