Electrical, PTO, Hydraulic Pump, Parameter Logic, Programming and more

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  • Latest Mack Heavy Duty Manual Updates
  • Check regularly for updates to the Mack Body Builder Manual to learn of new features and updates.
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  • Body Builder General Information
  • Vehicle Certification, Body Installation, Hood/Cab Opening Angles, Vehicle Configuration Applications, Back of Cab and Fuel Tank Dimensions
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  • Oil + Filters
  • Approved Oils, Engine Oil Type, Transmission, Lubrication, Biodiesel Fuel, Coolant Requirements
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  • Engine
  • Engine Overview, Exhaust Aftertreatment System, Heated Dump Bodies, In-Transit Heat Cooling System
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  • Electrical / VECU5 / Model Year 2022 / VIN’s 10th digit = N
  • VECU5 / Routing and Clipping Guidelines, Body Builder Connectors, Remote Start n Stop. Adding Aux Pedal, Aux Switches, LR Work Brake, Diagnostic Connectors, Multiplexing Body Builder J1939 CAN
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  • Electrical / VECU4 / pre-Model Year 2022
  • Legacy VECU4 / Routing and Clipping Guidelines, Body Builder Connectors, Remote Start n Stop. Adding Aux Pedal, Aux Switches, LR Work Brake, Diagnostic Connectors, Multiplexing Body Builder J1939 CAN
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  • Transmission
  • MDRIVE Transmission, Adding Neutral Switch to T300 Series Transmission, Transmission Gear Ratios
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  • Brakes
  • Air Brake System, Air Solenoid Valves, Liftable Axle Air System, Air Brake Routing Schematics
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  • Suspension & Steering
  • Liftable Axles, Rear Suspension, Air Suspension Height, Adjustment, Pinion Angle Specifications
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  • Frame
  • Body Mounting, Bolt Hole Patterns, Wheelbase Changes, Fasteners, Frame Welding and Cutting, LR Bumper Designs, Fifth Wheel
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  • Cab / Body
  • Instrument Panel, Instrument Panel Layout, Guages, Switches
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  • VECU5 / PTO & Pumps / Model Year 2022 / VIN’s 10th digit = N
  • VECU5, Overview, Transmission-Mounted PTO, Rear-Mounted Engine PTO, Front-Mounted Engine PTO , PTO Programming, Parameter Programming
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  • VECU4 Legacy / PTO & Pumps / pre-Model Year 2022
  • Legacy VECU4, Overview, Transmission-Mounted PTO, Rear-Mounted Engine PTO, Front-Mounted Engine PTO , PTO Programming, Parameter Programming

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News & Events


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New GR/Granite Improvements

Mack Trucks Center Console for PTO Tower

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New Buffered Road Speed Signal at X156 Connector

Road speed signal for devices used in spreader applications. Conventional Cabs for Mack Trucks built starting week 37 2023 and after.

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Mack MD Pumper
Mack Medium Duty PTO Options

A comprehensive guide to wire and set up PTO option for medium duty truck application.

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