John Deere 3640

The John Deere 3640 is a utility tractor produced from 1984 to 1987 in Mannheim, Germany. It features a 5.9L 6-cylinder liquid-cooled diesel engine producing 117 hp gross power. The tractor has a 16-speed partial power shift transmission with 8 reverse gears and a hydraulic cerametallic dry disc clutch. It includes four-wheel drive with planetary final drives, rear differential lock, power steering, and hydraulic wet disc brakes. The hydraulic system is closed center constant pressure with a capacity of 11.1 gallons and optional higher pump flow. The tractor hitch supports category II/III with draft sensing control and optional front hitch. PTO options include independent rear PTO with 540/1000 rpm and optional front PTO. Dimensions include a 102-inch wheelbase, 189-inch length, and 85-inch width. Standard tires are 12.4-28 front and 16.9-38 rear with several other tire options available. The tractor weighs between 10,564 and 12,929 pounds operating weight and has a max capacity of 17,680 pounds.