John Deere 990

John Deere 990The John Deere 990 is a 2WD or 4WD compact utility tractor manufactured by the John Deere from 2000 to 2007. The JD 990 is equipped with a 2.0 L four-cylinder diesel engine and partially synchronized transmission with 9 forward and 3 reverse gears.

The John Deere 990 compact utility tractor used the Yanmar 4TNE84 engine. It is a 2 L, 1,995 cm2, (121.7 cu·in) four-cylinder natural aspirated diesel engine with 84.0 mm (3.31 in) of the cylinder bore and 90.0 mm (3.54 in) of the piston stroke. This engine produced 40.9 PS (30.1 kW; 40.4 HP) at 2,700 rpm of maximum output power.

The John Deere 990 is equipped with power steering, wet disc brakes, open operator station with two-post ROPS and 32.2 liters (8.5 US gal.; 7.1 Imp. gal) fuel tank.

Following attachments are available for the JD 990 compact utility tractor:

  • John Deere 430 loader
  • John Deere 8B backhoe

John Deere 990 Specifications

General Specifications
Model John Deere 990
Length 3,120 mm (122.8 in)
Width 2,130 mm (83.9 in)
Height
Wheel base 1,750 mm (68.9 in)
Weight 1,180 kg (2,601 lbs)
Fuel tank capacity 32.2 liters (8.5 US gal.; 7.1 Imp. gal)
Battery 12V, CCA 650A
Cabin type Open operator station with two-post ROPS
Engine
Engine model Yanmar 4TNE84
Engine type Four-stroke, liquid-cooled, inline
Cylinders 4
Fuel type Diesel
Displacement 2.0 L, 1,995 cm2, (121.7 cu·in)
Bore and stroke 84.0 mm X 90.0 mm (3.31 in X 3.54 in)
Compression ratio 18.0:1
Horsepower 40.9 PS (30.1 kW; 40.4 HP) at 2,700 rpm
Starter Electric
Oil capacity: 5.3 L (5.6 US. qt, 4.7 Imp. qt.)
Coolant capacity: 5.8 L (6.1 US. qt, 5.1 Imp. qt.)
Transmission and chassis
Chassis 4×2 2WD or 4×4 MFWD 4WD
Steering type Power
Brakes Wet disc
Transmission model Collar Shift
Transmission type Partially synchronized
Gears 9 forward and 3 reverse
Speed Forward: 19.0 kmh (11.8 mph) Reverse: 12.4 (7.7 mph)
Transmission oil capacity 20.8 L (5.5 US. gal, 4.6 Imp. gal.)
Tires
Front tires Ag: 6.5-16 (2WD), 8-16 (4WD)
Rear tires Ag: 14.9-24
Three-Point Hitch
Caterogy I
Control type
Lift capacity (at 610 mm/24 in) 713 kg (1,572 lbs)
PTO (Power take-off shaft)
Rear PTO type Live with two stage clutch
Rear PTO spped 540 rpm
Hydraulic system
Hydraulic type Open center
Hydraulic capacity 20.8 L (21.98 US. qt, 18.3 Imp. qt.)
Pressure 2262 psi (156 bar)
Pump flow 8.5 gpm (32.2 lpm)
Steering flow 4.5 gpm (17 lpm)
Total flow 13.0 gpm (49.2 lpm)