Mack MP8 Torque & Engine Specifications

Engine Details & Torque Specs

Engine Make: Mack
Engine Cubic Inches: 680
Engine Model: MP8
Engine Notes: Single Overhead Cam
Other Notes:
Year/Serial: 2007-2020
Fuel: Diesel
Cylinders: 6
Bore: 5.157"
Stroke: 6.220"
Firing Order: 1-5-3-6-2-4
Intake Valve Lash: .008" cold (.200 mm)
Exhaust Valve Lash: .031" cold (.800 mm)
Rod Torque: 13-17 ft/lbs, 42-46 ft/lbs, + 90 Degrees
Head Torque: 70-78 ft/lbs, repeat 70-78 ft/lbs, + 120 degrees, + 90 degrees
Main Torque: 96-126 ft/lbs, + 120 degrees
Rod Journal Diameter: 3.8976" (99.000 mm)
Main Journal Diameter: 4.2511-4.2520" (107.978-108.000 mm)

Intake Manifold Torque: 15-21 ft/lbs

Exhaust Manifold Torque: 35 ft/lbs

Flywheel Torque: 40-48 ft/lbs, + 120 degrees

Damper Torque: 22-30 ft/lbs, 59-73 ft/lbs

Camshaft Gear Bolt Torque: 29-37 ft/lbs, + 90 degrees

Valve Cover Torque: 15-21 ft/lbs

Valve Adjustment Locknut without Brake Torque: Intake & Exhaust 25-31 ft/lbs

Crankshaft Front Seal Cover: 15-21 ft/lbs

Timing Gear to Plate Torque: 19-24 ft/lbs

Timing Gears Torque: Crankshaft: 18 ft/lbs / Intermediate Gear Hub 18 ft/lbs, + 110 degrees / Intermediate Adjustment Gear Hub 26 ft/lbs + 120 degrees

Flywheel Housing Torque: All 18 ft/lbs, M14 Bolts 103 ft/lbs, M10 35 ft/lbs, M8 18 ft/lbs

Recommended Products

Mack MP8 Engine Inframe Overhaul Rebuild Kit, Cylinder Kit 20928630 $3,603.35 Cylinder Kit 20928630	Mack MP8 Engine Inframe Overhaul Rebuild Kit, Cylinder Kit 21209650 $3,276.66 Cylinder Kit 21209650	Mack MP8 Engine Inframe Overhaul Rebuild Kit, Cylinder Kit 21330684 $3,603.35 Cylinder Kit 21330684
Mack MP7, MP8, Volvo D11, D13 Head Bolt, 1547419 $8.45	Mack MP8, Volvo D13 Cylinder Head, Brand New, Loaded From $5,191.95 to $5,291.95	Cummins ISX, Mack MP7, MP8, Volvo D11, D13 Heavy Duty DPF, Diesel Particulate Filter, Redline, 52944 $1,692.00 Includes G22007 gaskets. Requires clamps VB2003 (sold separately).
Mack MP8, Volvo D13 Oil Pan, 21368390 $674.89 Brand New Oil Pan	Mack MP8, Volvo D13 Oil Pan, 21585801 $1,246.48 This front sump engine oil pan is made of steel, finished in black and fits Mack MP8 / D13 engines.	Mack MP7, MP8 Volvo D11, D13 Fuel Pump Kit, 85118917 $349.00 Fuel Pump Kit Mack MP7/MP8 Engines application Volvo D11/D13 Engines application
Mack MP7, MP8, Volvo D11, D13 EGR Valve Kit, 85133799 $4,245.55 EGR Valve Kit Mack MP7/MP8 Engines application Volvo D11/D13 Engines application

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