The 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) |