The Cameco 505 is a four-wheel drive (4WD) tractor built by Cameco in Thibodaux, Louisiana, USA starting in 1980. It is powered by a Caterpillar 3406T turbocharged 6-cylinder diesel engine producing 325 hp (242.4 kW). The tractor features a 10-speed power shift Allison HT 754 transmission with 10 forward and 2 reverse gears, and a five-speed Allison transmission with torque converter and two-speed Cameco transfer case. It has a fuel tank capacity of 130 gallons (492.1 L) and weighs 28050 lbs (12723 kg). The tractor rides on 24.5x32 tires front and rear and includes a standard cab.