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John Deere 990

John Deere 990 tractor
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The John Deere 990 is a compact utility tractor produced from 2000 to 2007. It features a Yanmar 2.0L 4-cylinder diesel engine delivering 40.4 hp gross and 38.5 hp net power. The tractor has a 9-speed partially synchronized collar shift transmission with 9 forward and 3 reverse gears. It offers two- or four-wheel drive options with planetary final drives and mechanical rear differential lock. The hydraulic system is open center with a capacity of 5.5 gallons and a pressure of 2262 psi. The tractor includes a live 540 RPM rear PTO with a two-stage clutch. Dimensions include a 68.9 inch wheelbase, 123 inch length, and weight ranging from 2594 lbs (2WD) to 3175 lbs (4WD). Attachments available include a 430 front-end loader and John Deere 8B backhoe. Electrical system features a 12-volt battery with 650 CCA and a 20 amp alternator.
John Deere 990compact utility tractorYanmar 4TNE84 engine40 hp tractor9-speed transmission2WD4WDfront-end loaderbackhoe
Power40 hp
Founded2000 - 2007
Model990

Technical Specifications

Detailed specifications and technical data for John Deere 990

Power

Engine (net):38.5 hp (28.7 kW)
PTO (claimed):35 hp (26.1 kW)
Engine (gross):40.4 hp (30.1 kW)

Engine

Type:diesel, 4-cylinder, liquid-cooled
Model:Yanmar 4TNE84
Idle RPM:925-2875
Rated RPM:2700
Air cleaner:dry
Bore/Stroke:3.31x3.54 inches (84 x 90 mm)
Compression:18:1
Power (net):38.5 hp (28.7 kW)
Displacement:121.7 ci (2.0 L)
Oil capacity:5.6 qts (5.3 L)
Power (gross):40.4 hp (30.1 kW)
Starter power:2.7 hp (2.0 kW)
Starter volts:12
Coolant capacity:6.1 qts (5.8 L)

Capacity

Fuel:8.5 gal (32.2 L)
Hydraulic system:5.5 gal (20.8 L)

Electrical

Ground:negative
Battery CCA:650
Battery volts:12
Charging amps:20
Charging system:alternator

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)

Mechanical

ROPS:Two-post ROPS
Drive:Two- or four-wheel drive
Brakes:Wet disc brakes
Steering:power
Final drives:planetary
Differential lock:mechanical rear

Production

Category:Compact Utility tractor
Manufacturer:John Deere
Years produced:2000 - 2007

Attachments

Backhoe:John Deere 8B Backhoe
Backhoe weight:1260 lbs (571 kg)
Front-end loader:430 Loader
Backhoe swing arc:180°
430 Loader dump time:1.8s
Backhoe bucket force:2213 lbs (1003 kg)
Backhoe bucket width:12 inches (30 cm)
430 Loader dump angle:45°
430 Loader lower time:3.0s
430 Loader raise time:3.9s
Backhoe bucket widths:18 inches (45 cm), 24 inches (60 cm), 36 inches (91 cm)
Backhoe digging depth:102 inches (259 cm)
Backhoe loading height:82 inches (208 cm)
430 Loader bucket width:61 inches (154 cm)
Backhoe bucket rotation:180°
430 Loader rollback time:2.2s
Backhoe reach from pivot:133 inches (337 cm)
Backhoe transport height:81 inches (205 cm)
430 Loader reach (dumped):25.3 inches (64 cm)
430 Loader reach (ground):51.2 inches (130 cm)
Backhoe dipperstick force:2213 lbs (1003 kg)
430 Loader height (at pin):101.9 inches (258 cm)
430 Loader breakout (at pin):3,285 lbs (1490 kg)
430 Loader rollback (raised):64°
430 Loader clearance (dumped):78.3 inches (198 cm)
430 Loader lift (1.5m at pin):1,943 lbs (881 kg)
430 Loader lift (full at pin):1,102 lbs (499 kg)
430 Loader breakout (at 500mm):2,306 lbs (1046 kg)
430 Loader lift (1.5m at 500mm):1,724 lbs (782 kg)
430 Loader lift (full at 500mm):915 lbs (415 kg)
430 Loader rollback (ground line):30°

Transmission

Type:Collar Shift, partially synchronized
Gears:9 forward and 3 reverse
Notes: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.
Oil capacity:22 qts (20.8 L)

Tractor hitch

Rear Type:I
Rear lift (at 24"/610mm):1,573 lbs (713 kg)

Dimensions & Tires

Length:123 inches (312 cm)
Wheelbase:68.9 inches (175 cm)
Front tire:6.5-16
Rear tread:46.2 inches (117 cm)
Weight 2WD:2594 lbs (1176 kg)
Weight 4WD:3175 lbs (1440 kg)
Max Drawbar:825 lbs (374 kg)
2WD Rear tire:14.9-24
Height (ROPS):84.2 inches (213 cm)
Height (hood):54 inches (137 cm)
Max rear axle:5292 lbs (2400 kg)
Max front axle:5513 lbs (2500 kg)
2WD Front tread:48.2 inches (122 cm)
4WD Front tread:53.6 inches (136 cm)
4WD Standard tires (ag):Front: 8-16. Rear: 14.9-24

Power Take-off (PTO)

Rear PTO:live (two-stage clutch)
Rear PTO Type:540

Related Models

John Deere 4005

Model:4005

John Deere 790

Model:790