John Deere 990 Specifications - John Deere 990 Specs

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2000 - 2007, Compact Utility tractor
Next model: John Deere 4005
Series back: John Deere 790
Production
Manufacturer: John Deere
Capacity
Fuel: 8.5 gal [32.2 L]
Hydraulic system: 5.5 gal [20.8 L]
3-Point 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.
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]
Mechanical
Chassis: 4x2 2WD, 4x4 MFWD 4WD
Steering: power
Brakes: wet disc
Cab: Two-post ROPS.
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]
Electrical
Ground: negative
Charging system: alternator
Charging amps: 20
Battery
Number: 1
Cold-cranking amps: 650
Volts: 12
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Bore/Stroke: 3.31x3.54 inches [84 x 90 mm]
Power (gross): 40.4 hp [30.1 kW]
Air cleaner: dry
Compression: 18:1
Rated RPM: 2700
Idle RPM: 925-2875
Starter volts: 12
Starter power: 2.7 hp [2.0 kW]
Oil capacity: 5.6 qts [5.3 L]
Coolant capacity: 6.1 qts [5.8 L]
Engine Detail
Yanmar 4TNE84, diesel, 4-cylinder, liquid-cooled, 121.7 ci [2.0 L]
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Speeds: With 14.9-24 rear tires.
Transmission
Transmission: Collar Shift
Type: partially synchronized
Gears: 9 forward and 3 reverse
Oil capacity: 22 qts [20.8 L]
Three gears (1-3) plus reverse in three ranges (A-C). Gears may be shifting on the move by using the clutch. The tractor must be stopped to shift ranges.
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Next model: John Deere 4005
Series back: John Deere 790
Dimensions
2WD Weight: 2594 lbs [1176 kg]
4WD Weight: 3175 lbs [1440 kg]
Drawbar capacity: 825 lbs [374 kg]
Front axle load: 5513 lbs [2500 kg]
Rear axle load: 5292 lbs [2400 kg]
Wheelbase: 68.9 inches [175 cm]
Length: 123 inches [312 cm]
Height (hood): 54 inches [137 cm]
Height (ROPS): 84.2 inches [213 cm]
2WD53.6 inches [136 cm] 4WD} Front tread: 48.2 inches [122 cm]
Rear tread: 46.2 inches [117 cm]
John Deere 990 Tires
2WD Standard tires (ag): Front: 6.5-16. Rear: 14.9-24
4WD Standard tires (ag): Front: 8-16. Rear: 14.9-24
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Next model: John Deere 4005
Series back: John Deere 790
Loader
Loader type: John Deere 430
Height (to pin): 101.9 inches [258 cm]
Clearance, dumped bucket: 78.3 inches [198 cm]
Dump reach: 25.3 inches [64 cm]
Dump angle: 45
Reach at ground: 51.2 inches [130 cm]
Rollback at ground: 30
Rollback, raised: 64
Breakout force (at pin): 3,285 lbs [1490 kg]
Breakout force (at 500mm): 2,306 lbs [1046 kg]
Lift to full height (at pin): 1,102 lbs [499 kg]
Lift to full height (at 500mm): 915 lbs [415 kg]
Lift to 1.5m (at pin): 1,943 lbs [881 kg]
Lift to 1.5m (at 500mm): 1,724 lbs [782 kg]
Bucket width: 61 inches [154 cm]
Raise time to height: 3.9 s
Bucket dump time: 1.8 s
Lowering time: 3.0 s
Rollback time: 2.2 s
Backhoe
Backhoe type: John Deere 8B