John Deere 4320 (1971-1972)

Last Updated: June 2024

Overview

The John Deere 4320 is a 2WD or 4WD row-crop tractor manufactured by John Deere from 1971 to 1972. Designed to meet the needs of mid to large-sized farming operations, the tractor is powered by a robust John Deere 6.6 L six-cylinder turbocharged diesel engine and offers a partially synchronized transmission with eight forward and two reverse gears. The tractor features a cooling system capacity of 17.4 quarts and a fuel tank capacity of 44 US gallons. In addition, it is equipped with power steering, differential hydraulic wet disc brakes, and an open operator station that allows for optional canopy or cab installations. With a rear hitch category II and a lift capacity of 3,749 pounds, this tractor delivers reliable performance and versatility for various agricultural tasks.
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Key Specifications

Category: Row Crop

Power Output: 115

Transmission: Partially synchronized with dry disc clutch

Drive Type: 2WD / 4WD

Operating Weight: 10,675

Fuel Type: Diesel

John Deere 4320 (1971-1972) vs. Similar Tractors

Power Output
Average
Greater than 32% of similar tractors.
Hitch Capacity
Poor
Greater than 2% of similar tractors.
Operating Weight
Poor
Greater than 3% of similar tractors.

Technical Specifications

Engine

Manufacturer
John Deere
Model
John Deere
Cooling Type
Liquid-cooled
Cylinder Orientation
Inline
Valve Configuration
-
Fuel Type
Diesel
Induction Type
-
Cylinders
6
Displacement (ci)
404
Bore (in)
4.25
Stroke (in)
4.76
Rated RPM
-
Power Output (hp)
115

Transmission

Type
Partially synchronized with dry disc clutch
Forward Gears
8
Reverse Gears
2
Total Gears
-

Dimensions

Length (in)
159.1
Width (in)
89.4 (standard axle)
Height (in)
106.7
Operating Weight (lb)
10,675

Power Take-Off (PTO)

PTO Type
Independent
PTO Speed 1 (rpm)
540 / 1000
PTO Speed 2 (rpm)
1000
PTO Speed 3 (rpm)
-

Miscellaneous

Chassis
4x2 2WD / 4x4 MFWD 4WD
Drive Type
2WD / 4WD
Steering Type
Power
Coolant Capacity (qts)
17.4
Front Tire Diameter (in)
-
Front Tire Width (in)
-
Rear Tire Diameter (in)
-
Rear Tire Width (in)
-
Front/Rear Rim Diameter (in)
-
Tire Type
Ag
Manufacture - End Year
1972
Hitch Type
-
Hitch Category
Category II
Hitch Position
Rear
Hitch Capacity (lb)
3,749
Operator Station Type
Open operator station, Two-post ROPS, Cab (optional)
Starter Type
Electric
Brake Type
Differential hydraulic wet disc
Hydraulic System Type
Closed center

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