Diesel engine manuals and specifications at Barrington Diesel Club

Mack MP7 Manuals, Engine Specifications & Bolt Torques

 
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Mack MP7 Essential Bolt Tightening Torques

 

Mack MP7 Engine
Connecting Rod Nuts


Step 1 30 ±3 Nm (22 ±2 lb-ft)
Step 2 180 degrees ±6 degrees

Mack MP7 Engine
Main Bearing Bolts


Step 1 150 ±20 Nm (111 ±15 lb-ft)
Step 2 120 degrees ±5 degrees

Mack MP7 Engine
Cylinder Head Bolts


Step 1 (bolts 1-4 on figure A) 25 Nm 18 lb-ft
Step 2 (figure B Bolts 1-26) 65 N•m (48 lb-ft)
Step 3 (figure B Bolts 1-26) 65 N•m (48 lb-ft) (Repeat of Step 2)
Step 4 (figure B Bolts 1-26) 120 degrees ±5 degrees
Step 5 (figure B Bolts 1-26) 90 degrees ±5 degrees

Mack MP7 Engine Specifications

 

Mack MP7 Engine
Displacement, Bore, Stroke,
and Compression Ratio


Displacement
659 CID, 10.8 liter

Bore
4.84 inches 123 mm

Stroke
5.98 inches 152 mm

Compression Ratio
16.0:1

Mack MP7 Engine
Power and Torque


Power
MP7 Different Power Ratings
From 242 kW, 325 hp
to 302 kW, 405 hp
@2000 rpm

Torque
MP7 Different Torque Ratings
From 1200 lb.ft, 1700 Nm
To 1560 lb.ft, 2115 Nm
@1500 rpm

Mack MP7 Engine
Weight and Dimensions


Weight approx:
2280 lb, 1034 kg

Dimensions approx:
Length - 1364 mm, 53.7 in.
Width - 810 mm, 31.9 in.
Height - 1113 mm, 43.8 in.


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Page Revision #1.0 BL 06-08-2025