The Massey Ferguson 6445 is a utility tractor from the 6400 Series produced from 2003 to 2013. It features a Perkins 4.4L 4-cylinder turbocharged diesel engine delivering 90 hp (67.1 kW). The tractor offers a 24-speed partial power shift Dyna-6 transmission with a 32-speed creeper option. It has two- or four-wheel drive, power steering, wet disc brakes, and optional hydraulic trailer brakes. The cab comes standard with air-conditioning. Hydraulics include an open center system with optional closed center load-sensing, providing up to 29.1 gpm pump flow. The PTO is independent with rear and front options. Dimensions include a 96.9 inch wheelbase, 166.5 inch length, and 78 inch width. Standard tires are 13.6R24 front and 16.9R34 rear.