Fuel economy rating wasn't listed at the EPA so I put in rough estimates.
Has a block heater.
Fluids & Filters:
Engine Oil & Filter: Amsoil 10w40 Diesel
Amsoil Dual-Bypass Oil Filter System (Using 2 Amsoil filters)
Transmission flushed and rebuilt in early April 2015 at about 401,500 miles;
Gear Oil: Amsoil 75w90 Severe Gear;
P.S. Fluid: Amsoil. System flushed prior to use.
Fuel Cap Drilled (To prevent a vacuum in the tank and give the lift pump greater ease.)