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Mack E7 engine Manuals and Specs - amp

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They usually include:
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 bolts 
 connecting rod cap bolts
 cylinder head bolts
 


 
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Mack E7 engine bolt torques, specifications and manuals - amp

 
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Mack E7 engine, Bolt Tightening Torques

 
Mack E7 engine
Connecting Rod Nut torque
60-65 lb.ft, 82-88 Nm


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 specs and manuals
 
Mack E7 engine,
Main Bearing Bolt torque
115-125 lb.ft, 156-170 Nm


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 specs and manuals
 
Mack E7 engine, 
Cylinder Head Bolt torque
Step 1 = 90 lb.ft, 122 Nm
Step 2 = 100 lb.ft, 136 Nm
Final step = 110 lb.ft, 150 Nm


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Mack E7 engine cylinder head bolt torque sequence - click for engine specs and manuals
 

Mack E7 PDF workshop repair manuals

 
Mack E7 PDF workshop repair manual 5.101, 174 pages, Click to download

Mack E7 engine Specifications

 
Mack E7 engine,
Displacement, Bore, Stroke, 
Compression Ratio
Bore
4.875 inches 123.83 mm

Stroke
6.5 inches 165.1 mm

Displacement
728 CID, 12.0 liter

Compression Ratio
 up 375 hp = 16.5:1
 above 375 hp = 15.3:1

 
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 specs and manuals
 
Mack E7 engine,
Power, Torque, Weight
Power
E7-250
250 hp, 186 kW @1950 rpm

E7-350
350 hp, 261 kW @1800 rpm

E7-460
460 hp, 343 kW @1950 rpm

Torque
E7-250
975 lb.ft, 1306 Nm @1200 rpm

E7-350
1277 lb.ft, 1711 Nm @1250 rpm

E7-460
1660 lb.ft, 2224 Nm @1200 rpm

Weight
2210 lb, 1003 kg

 
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