The Waltanna 4-325 is a four-wheel drive (4WD) tractor produced by Waltanna from 1978 to 1981. It is part of the 4 Series and was built in Tarrington, Victoria, Australia. The tractor is powered by a Caterpillar 3406 turbocharged 6-cylinder diesel engine with 325 hp (242.4 kW) output. It features a Spicer 14-speed gear transmission with 14 forward and 2 reverse gears. The tractor has articulated power steering and a standard cab with air-conditioning. Hydraulic system capacity is 21.1 gallons (79.9 L) with a pump flow of 30.4 gpm (115.1 lpm). Dimensions include a length of 239.4 inches (608 cm), width of 165.4 inches (420 cm), height of 128 inches (325 cm), and weight of 27,558 lbs (12,500 kg). It rides on 23.1x34 tires front and rear. Related models include the Waltanna 4-250 and 4-360.