The Allis Chalmers 745B is a wheel loader produced from 1973 to 1974 as part of the 45 Series. Built in Deerfield, Illinois, USA, a total of 619 units were manufactured. It features a powerful 8.5L 6-cylinder turbocharged diesel engine delivering 202 hp (150.6 kW) net power. The transmission is a 4-speed power shift with 2 reverse gears. The tractor has four-wheel drive with planetary final drives and articulated power steering. Hydraulics include a pump flow of 95 gpm (359.6 lpm) and steering flow of 36 gpm (136.3 lpm). The wheelbase measures 130 inches (330 cm). Electrical charging is provided by an alternator. The 745B is equipped with a front-end loader attachment.