John Deere 8440

Last Updated: June 2024

Overview

The John Deere 8440 is a large, four-wheel drive tractor that was part of the John Deere Iron Horses series. Produced between 1979 and 1982, it features a 466 cubic inch, six-cylinder turbocharged diesel engine that delivers 215 horsepower at 2100 rpm. This tractor's chassis is an articulated 4WD configuration, enhancing its robustness for heavy-duty applications. The 8440 model comes equipped with a 16-speed partial power shift transmission, hydraulic wet disc brakes, and articulated power steering. It is designed to be compatible with a Category 3 three-point hitch system and has a rear hitch lift capacity of 8545 pounds. Enclosed within a standard cab, the operator is provided with essential comforts for prolonged use. This model's versatility and power make it suitable for a variety of demanding tasks in large-scale agriculture and construction.
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Key Specifications

Category: Utility, Four-Wheel Drive

Power Output: 215

Transmission: partial power shift

Drive Type: 4WD

Operating Weight: 26,590

Fuel Type: Diesel

John Deere 8440 vs. Similar Tractors

Power Output
Excellent
Greater than 92% of similar tractors.
Hitch Capacity
Above Average
Greater than 84% of similar tractors.
Operating Weight
Poor
Greater than 6% 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
Cylinders
6
Displacement (ci)
466
Bore (in)
4.57
Stroke (in)
4.76
Rated RPM
2100
Power Output (hp)
215

Transmission

Type
partial power shift
Forward Gears
16
Reverse Gears
6
Total Gears
-

Dimensions

Length (in)
223.5
Width (in)
-
Height (in)
126.6 (cab)
Operating Weight (lb)
26,590

Power Take-Off (PTO)

PTO Type
Independent
PTO Speed 1 (rpm)
1000
PTO Speed 2 (rpm)
-
PTO Speed 3 (rpm)
-

Miscellaneous

Chassis
4x4 articulated 4WD
Drive Type
4WD
Steering Type
articulated power
Coolant Capacity (qts)
40
Front Tire Diameter (in)
34
Front Tire Width (in)
-
Rear Tire Diameter (in)
34
Rear Tire Width (in)
-
Front/Rear Rim Diameter (in)
-
Tire Type
Ag
Manufacture - End Year
1982
Hitch Type
III
Hitch Category
Category 3
Hitch Position
Rear
Hitch Capacity (lb)
8545 lbs
Operator Station Type
Cab (standard)
Starter Type
Electric
Brake Type
Hydraulic wet disc
Hydraulic System Type
Closed center