John Deere 4840

Last Updated: June 2024

Overview

The John Deere 4840 is a large, powerful, two-wheel drive row-crop tractor, part of the Iron Horses series produced between 1978 and 1982 in Waterloo, Iowa. With a durable 466 ci liquid-cooled, six-cylinder, turbocharged and intercooled diesel engine, it delivers 200 horsepower and a maximum RPM of 2200. This tractor is equipped with a dependable John Deere PowerShift transmission, providing 8 forward and 4 reverse gears, and it has key features like power steering, differential hydraulic wet disc brakes, and a Sound-Gard Cab for operator comfort. The 4840 model also includes a three-point hitch with a lift capacity of 8,290 lbs and an independent 1000 RPM PTO. Sitting on a 4x2 chassis with a wheelbase of 118.5 inches, the John Deere 4840 has significant capabilities both in the field and for other heavy-lifting jobs on a farm, making it a versatile asset to the era's agricultural industry.
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Key Specifications

Category: Row Crop

Power Output: 200

Transmission: Full power shift

Drive Type: 2WD

Operating Weight: 18,000

Fuel Type: Diesel

John Deere 4840 vs. Similar Tractors

Power Output
Above Average
Greater than 73% of similar tractors.
Hitch Capacity
Below Average
Greater than 12% of similar tractors.
Operating Weight
Below Average
Greater than 11% of similar tractors.

Technical Specifications

Engine

Manufacturer
John Deere
Model
-
Cooling Type
Liquid-cooled
Cylinder Orientation
Inline
Valve Configuration
-
Fuel Type
Diesel
Induction Type
Turbocharged intercooled
Cylinders
6
Displacement (ci)
466
Bore (in)
4.57
Stroke (in)
4.76
Rated RPM
2200
Power Output (hp)
200

Transmission

Type
Full power shift
Forward Gears
8
Reverse Gears
4
Total Gears
-

Dimensions

Length (in)
177
Width (in)
96
Height (in)
117
Operating Weight (lb)
18,000

Power Take-Off (PTO)

PTO Type
Independent
PTO Speed 1 (rpm)
1,000
PTO Speed 2 (rpm)
-
PTO Speed 3 (rpm)
-

Miscellaneous

Chassis
4x2 2WD
Drive Type
2WD
Steering Type
Power
Coolant Capacity (qts)
40
Front Tire Diameter (in)
16
Front Tire Width (in)
-
Rear Tire Diameter (in)
38
Rear Tire Width (in)
-
Front/Rear Rim Diameter (in)
-
Tire Type
Ag
Manufacture - End Year
1982
Hitch Type
III/IIIN
Hitch Category
III
Hitch Position
Rear
Hitch Capacity (lb)
8,290 lbs
Operator Station Type
Sound-Gard Cab
Starter Type
Electric
Brake Type
Differential hydraulic wet disc
Hydraulic System Type
Closed center