John Deere 990

The John Deere 990 is a compact utility tractor that was manufactured from 2000 to 2007. It is equipped with a Yanmar 4TNE84 four-cylinder diesel engine with a displacement of 121.7 cubic inches, generating 40.4 horsepower at 2700 RPM. The engine is liquid-cooled and operates with a 6.1-quart cooling capacity. The tractor features a partially synchronized transmission with 9 forward and 3 reverse gears. It has a wet disc brake system and an open operator station with two-post ROPS. The tractor has a three-point hitch with category I and boasts a rear hitch lift capacity of 1,572 pounds. The steering system is powered, contributing to easier maneuverability. The operating weight of the tractor ranges from 2,594 to 3,175 pounds, with potential alterations depending on whether it is a 2WD or 4WD model, which is not clearly indicated. The specified lengths of 122.8 inches, a width of 83.9 inches, and wheelbase of 68.9 inches provide stability during operations. Additional features include electric starting, an open-center hydraulic system, and a live PTO with a speed rating of 540 RPM.