John Deere PowerShift: Clutchless shift-on-the-move power shift between all eight forward and four reverse gears. Inching pedal provided for hooking up implements and other precision work.
Weight
Weight specifications
Weight
18,000 lb operating
Shipping
14,900 lb
Ballasted
20,370 lb
Dimensions
Dimensions specifications
Wheelbase
118.5 in
Length
177 in
Width
96 in
Front axle clearance
26 in
Rear axle clearance
28 in
Front tread, narrowest
58 in
Front tread, widest
100 in
Rear tread, narrowest
60 in
Rear tread, widest
131.5 in
Capacities
Capacities specifications
Fuel tank
103 gal
Hydraulic system
16.5 gal
Hydraulics
Hydraulics specifications
System
closed center
Pump flow
23 gpm
Remote valves
2 or 3
Hitch
Hitch specifications
Rear hitch category
III/IIIN
Rear lift capacity
8,295 lb
PTO
PTO specifications
Rear PTO
independent
Rear PTO speeds
1000 (1.75)
Chassis
Chassis specifications
Drive
2WD
Steering
Power steering
Brakes
Differential hydraulic wet disc brakes
Differential lock
pedal-actuated hydraulic
Cab
Sound-Gard cab
Tires
Tires specifications
Front
11.00-16
Rear
18.4-38
Electrical
Electrical specifications
System voltage
6 V
Batteries
2
Charging
alternator
Ground
negative
Production
Production specifications
Price new
$57,648 (1982)
Factories
Waterloo, Iowa, USA
Built by
John Deere
Serial numbers
Serial number plate on the rear of the 4840, above the PTO shaft.
First serial number by year
Year
First serial
1978
1000
1979
4233
1980
7539
1981
11042
1982
14933
Literature
The New Iron Horses John Deere, 1978
Tractors 90 to 180 HP John Deere, 1979
Tractors 90, 110, 130, 155, 180 HP John Deere, 1979
Row-Crop Tractors Product Information Handbook John Deere, 1977
40 Series Row-Crop Tractors Product Information Handbook John Deere, 1982