john deere 4840

1978 - 1982

Iron Horses Series

Row-Crop tractor

Iron Horses Series

Row-Crop tractor

Manufacturer

John Deere

Row-Crop tractor

Built in Waterloo, Iowa, USA

Original price was $57,648 in 1982

John Deere 7.6L 6-cyl diesel

8-speed full power shift

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

Two-wheel drive

Differential lock

pedal-actuated hydraulic

Power steering

Differential hydraulic wet disc brakes

Sound-Gard cab.

Fuel

103 gal 389.9 L

Hydraulic system

16.5 gal 62.5 L

Type

closed center

Capacity

16.5 gal 62.5 L

Valves

2 or 3

Pump flow

23 gpm 87.1 lpm

Rear Type

III/IIIN

Rear lift

8295 lbs 3762 kg

Rear PTO

independent

Rear PTO Type

1000 (1.75)

Wheelbase

118.5 inches 300 cm

Weight

14900 to 18000 pounds

Front tire

11.00-16

Rear tire

18.4-38

Serial number plate on the rear of the 4840, above the PTO shaft.

1978

1000

1979

4233

1980

7539

1981

11042

1982

14933

FAQ: How to read a serial number table.

Ground

negative

Charging system

alternator

Batteries

2

Battery volts

6

The New Iron Horses published in 1978, by John Deere

Tractors 90 to 180 HP published in 1979, by John Deere

Tractors 90, 110, 130, 155, 180 HP published in 1979, by John Deere

Row-Crop Tractors Product Information Handbook published in 1977, by John Deere

40 Series Row-Crop Tractors Product Information Handbook published in 1982, by John Deere