All 81 values recorded for this model, as the source lists them and in its units. The spec sheet shows the same data checked, typed and converted.
Overview
Production
Manufacturer
John Deere
(no label)
Row-Crop tractor
(no label)
Built in Waterloo, Iowa, USA
(no label)
Original price was $57,648 in 1982
Engine
(no label)
John Deere 7.6L 6-cyl diesel
Transmission
(no label)
8-speed full power shift
Power
Drawbar (claimed)
157 hp | 117.1 kW
PTO (claimed)
180 hp | 134.2 kW
Drawbar (tested)
151.21 hp | 112.8 kW
PTO (tested)
180.63 hp | 134.7 kW
Mechanical
(no label)
Two-wheel drive
Differential lock
pedal-actuated hydraulic
(no label)
Power steering
(no label)
Differential hydraulic wet disc brakes
(no label)
Sound-Gard cab.
Capacity
Fuel
103 gal | 389.9 L
Hydraulic system
16.5 gal | 62.5 L
Hydraulics
Type
closed center
Capacity
16.5 gal | 62.5 L
Valves
2 or 3
Pump flow
23 gpm | 87.1 lpm
Hitch
Rear Type
III/IIIN
Rear lift
8295 lbs | 3762 kg
Pto
Rear PTO
independent
Rear PTO Type
1000 (1.75)
Dimensions
Wheelbase
118.5 inches | 300 cm
Weight
14900 to 18000 pounds
Front tire
11.00-16
Rear tire
18.4-38
Serial location
(no label)
Serial number plate on the rear of the 4840, above the PTO shaft.
Electrical
Ground
negative
Charging system
alternator
Batteries
2
Battery volts
6
Engine
Engine detail
(no label)
John Deere
(no label)
turbocharged intercooled diesel
(no label)
6-cylinder
(no label)
liquid-cooled
Displacement
466 ci | 7.6 L
Bore/Stroke
4.5625x4.75 inches | 116 x 121 mm
Air cleaner
dual paper elements
Pre-heating
ether injection
Compression
15.5:1
Rated RPM
2200
Idle RPM
800-2400
Operating RPM
1500-2200
Firing order
1-5-3-6-2-4
Starter volts
12
Coolant capacity (Coolant)
40 qts | 37.9 L
Transmission
Transmission
Transmission
John Deere PowerShift
Type
full power shift
Gears
8 forward and 4 reverse
Oil capacity
80 qts | 75.7 L
(no label)
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.