The Caterpillar D5N is a bulldozer manufactured by Caterpillar from 2003 to 2006. It features a 115 hp turbocharged aftercooled 7.2L 6-cylinder diesel engine, a 3-speed power shift transmission, and crawler drive. The machine includes a two-post ROPS with an optional air-conditioned cab. It has a fuel capacity of 67.9 gallons and a hydraulic system capacity of 7.7 gallons. The D5N is equipped with 22-inch XL tracks or optional 30-inch LGP tracks, with detailed dimensions and operating weight of 28,258 lbs. Attachments include a 121-inch front-mount blade with hydraulic lift and angle capabilities.