Specifications include, but are not limited to: M - Wheel base: 84-inch cab to axle M - Diesel Engine: Cummins 6.7 Liter, in line six cylinder____ ____ M - Heavy duty dry type air cleaner____ ____ D - Full flow disposable type oil filter____ ____ M -Magnetic oil plug____ ____ M -Low oil pressure and high water temperature alarm system____ ____ M -Stationary elevated engine idle____ ____ M -Permanent type anti-freeze installed to protect -20 degrees below zero M -220 amp or larger alternator ____ ____ M -Dual 730 CCA maintenance free batteries____ ____ M -Electric engine block heater____ ____ M -Smart diesel exhaust brake____ ____ M -Voltage monitoring system with auto idle up control____ ____ M -Cold weather group M - Aisin 6 speed automatic transmission____ ____ M -Manual shift on the fly transfer case____ ____ M -Transmission power take off____ ____ M -Transfer case skid plate M -Truck to be a 19500 GVW____ ____ M -Max tow package____ ____ M -Heavy duty front suspension group