The Caterpillar 257-D is a multi-terrain loader produced with the ASV undercarriage. The 257D track loader features a 73.2 hp Caterpillar C3.3B-DIT engine that gives it the power and reliability that you would expect of Caterpillar product. The Caterpillar 257 D features a vertical lift design and has an operating weight of 8,048 lbs . A tipping load of 5,600 lbs, gives it an operating capacity at 50% of 2,800 lbs. These machines started production in 2014 and are the last machine still in production equipped with the ASV undercarriage. They feature a 2-speed transmission with a ground speed up to 6.3 mph in low speed and 9.9 mph in high range. The ASV undercarriage features a 15 inch wide rubber track allowing the 257 D a ground pressure of just 4.5 psi. This Caterpillar has a low flow auxiliary hydraulic system that produces 20 gpm @ 3,335 psi and a high flow option of 30 gpm @ 3335 psi.