The Business Class M2, encompassing variants such as the 100, 106, 106V, 112, and 112V, represents a highly versatile and robust line of Class 4-7 commercial trucks. Renowned for its forward-control cab-over-engine design, the M2 series offers exceptional maneuverability and driver visibility, making it a preferred choice for a wide array of vocational applications, including delivery, construction, towing, and emergency services. Its modular chassis design allows for flexible upfitting with diverse body styles and specialized equipment, underscoring a legacy of building reliable and innovative commercial vehicles.

This comprehensive Service & Repair Workshop Manual provides essential information for the maintenance and repair of the Business Class M2. It covers all major systems, including detailed diagnostics and repair procedures for powertrain components such as Cummins, Detroit Diesel, Mercedes-Benz, and PACCAR engines, as well as Allison and Eaton Fuller transmissions. The manual also delves into chassis systems, electrical diagnostics, HVAC, fuel, cooling, and exhaust systems, alongside routine maintenance, troubleshooting guides, and technical specifications. This resource is invaluable for professional technicians, fleet maintenance managers, and owner-operators aiming to ensure optimal performance and longevity of their vehicles.