Collar Shift: 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.
Weight
Weight specifications
Weight
2,594 lb unspecified
Dimensions
Dimensions specifications
Wheelbase
68.9 in
Length
123 in
Rear tread, narrowest
46.2 in
Rear tread, widest
46.2 in
Capacities
Capacities specifications
Fuel tank
8.5 gal
Hydraulic system
5.5 gal
Hydraulics
Hydraulics specifications
System
open center
Pump flow
8.5 gpm
Total flow
13 gpm
Steering flow
4.5 gpm
Pressure
2,262 psi
Hitch
Hitch specifications
Rear hitch category
I
Rear lift capacity
no record
Rear lift at 24 in (610 mm)
1,573 lb
PTO
PTO specifications
Rear PTO
live (two-stage clutch)
Rear PTO speeds
540
Chassis
Chassis specifications
Drive
2WD/4WD
Steering
power
Brakes
Wet disc brakes
Differential lock
mechanical rear
Final drives
planetary
Cab
Two-post ROPS
Tires
Tires specifications
Front
6.5-16
Rear
14.9-24
Electrical
Electrical specifications
System voltage
12 V
Cold cranking
650 CCA
Charging
alternator
Charging output
20 A
Ground
negative
Production
Production specifications
Built by
John Deere
Serial numbers
Serial number plate on the rear of the 990, below the PTO.
First serial number by year
Year
First serial
2000
190001
2001
290002
2002
291001
2003
391001
2004
590001
2005
690001
2006
790001
2007
890001
Literature
Grounds Care Equipment Purchasing Guide John Deere, 2001
Commercial & Consumer Equipment Purchasing Guide John Deere, 2007
4000 Series Product Information Handbook John Deere, 2000
4000 TEN Series Product Information Handbook John Deere, 2003
990 Advantage Series Utility Tractor Kioti, 2000
Commercial & Consumer Equipment Purchase Guide John Deere, 2005