John Deere 990

The John Deere 990 is a tractor produced by John Deere. It is equipped with a 121.7 ci 2.0 L engine. The listed engine power is Diesel (net): 38.5 hp / 28.7 kW; Diesel (gross): 40.4 hp / 30.1 kW; Diesel (listed): 2.7 hp / 2.0 kW. Transmission: Collar Shift. Operating weight: 1260 lbs 571 kg.

Overview

	2000 - 2007 Compact Utility tractor

Production
Manufacturer	John Deere
Compact Utility tractor

John Deere 990 Engine
Yanmar 2.0L 4-cyl diesel
Engine details ...

John Deere 990 Transmission
9-speed partially synchronized
Transmission details ...

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

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 PTO Type	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
Full dimensions and tires ...

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

References
Grounds Care Equipment Purchasing Guide published in 2001, by John Deere
Commercial & Consumer Equipment Purchasing Guide published in 2007, by John Deere
4000 Series Product Information Handbook published in 2000, by John Deere
4000 TEN Series Product Information Handbook published in 2003, by John Deere
990 Advantage Series Utility Tractor published in 2000, by Kioti
Commercial & Consumer Equipment Purchase Guide published in 2005, by John Deere

Engine

Engine Detail — 121.7 ci / 2.0 L Diesel

Manufacturer	Yanmar 4TNE84
Fuel Type	Diesel
Configuration	4-cylinder, liquid-cooled
Displacement	121.7 ci 2.0 L
Bore/Stroke	3.31x3.54 inches 84 x 90 mm
Power (net)	38.5 hp 28.7 kW
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

Transmission

Transmission — Collar Shift

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.
With 14.9-24 rear tires.

Dimensions

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

Dimensions
Wheelbase	68.9 inches 175 cm
Length	123 inches 312 cm
Height (hood)	54 inches 137 cm
Height (ROPS)	84.2 inches 213 cm
2WD Front tread	48.2 inches 122 cm
4WD Front tread	53.6 inches 136 cm
Rear tread	46.2 inches 117 cm

John Deere 990 Weight
2WD	2594 lbs 1176 kg
4WD	3175 lbs 1440 kg
Max Drawbar	825 lbs 374 kg
Max front axle	5513 lbs 2500 kg
Max rear axle	5292 lbs 2400 kg

Attachments

Attachment overview
Front-end loader
Backhoe

John Deere 8B Backhoe
Backhoe type	John Deere 8B Backhoe
Weight	1260 lbs 571 kg
Transport height	81 inches 205 cm
Bucket width	12 inches 30 cm
	18 inches 45 cm
	24 inches 60 cm
	36 inches 91 cm
Digging depth	102 inches 259 cm
Reach from pivot	133 inches 337 cm
Loading height	82 inches 208 cm
Bucket Rotation	180°
Swing Arc	180°
Bucket force	2213 lbs 1003 kg
Dipperstick force	2213 lbs 1003 kg