Power: 40 hp Date of manufacture : 2000 - 2007
Production Manufacturer: John Deere Type: Compact Utility tractor John Deere 990 Power Engine (gross): 40.4 hp 30.1 kW Engine (net): 38.5 hp 28.7 kW PTO (claimed): 35 hp 26.1 kW John Deere 990 Engine Mechanical Chassis: 4x2 2WD   4x4 MFWD 4WD Steering: power Brakes: wet disc Cab: Two-post ROPS. Transmission: 9-speed partially synchronized Photos John Deere 990 photos... Capacity Fuel: 8.5 gal 32.2 L Hydraulic system: 5.5 gal 20.8 L Hydraulics Type: open center Capacity: 5.5 gal 20.8 L Pressure: 2262 psi 156.0 bar Pump flow: 8.5 gpm 32.2 lpm Total flow: 13 gpm 49.2 lpm Steering flow: 4.5 gpm 17.0 lpm Tractor hitch Rear Type: I Rear lift (at 24"/610mm): 1,573 lbs 713 kg Power Take-off (PTO) Rear PTO: live (two-stage clutch) Rear RPM: 540 Dimensions & Tires Wheelbase: 68.9 inches 175 cm Weight: 2594 to 3175 pounds Front tire: 6.5-16 2WD Rear tire: 14.9-24 990 Serial Numbers Location: Serial number plate on the rear of the 990, below the PTO. 2000: 190001 2001: 290002 2002: 291001 2003: 391001 2004: 590001 2005: 690001 2006: 790001 2007: 890001 how to read serial numbers... Electrical Ground: negative Charging system: alternator Charging amps: 20 Battery CCA: 650 Battery volts: 12

John Deere 946	Power: 30 hp	Date of manufacture : 1996 - 2003

John Deere 950	Power: 31 hp	Date of manufacture : 1978 - 1989

John Deere 955	Power: 33 hp	Date of manufacture : 1989 - 1998

John Deere 970	Power: 33 hp	Date of manufacture : 1989 - 1998

John Deere 990	Power: 40 hp	Date of manufacture : 2000 - 2007

John Deere 1010	Power: 40 hp[P]	Date of manufacture : 1960 - 1965

John Deere 1010C	Power: 38 hp[P]	Date of manufacture : 1960 - 1964

John Deere 1020	Power: 43 hp[P]	Date of manufacture : 1965 - 1973

John Deere 1020 VU	Power: 44 hp	Date of manufacture : 1967 - 1972