John Deere 9R 640

Last Updated: June 2024

Overview

The John Deere 9R 640 is a powerful, large-scale tractor designed for demanding agricultural tasks. It features a John Deere JD14 6-cylinder 24-valve turbocharged aftercooled diesel engine with a spectacular power output of up to 631.6 horsepower and a peak torque of 2,179 lb-ft. This engine, coupled with an e18 full power shift transmission offering 18 forward and 6 reverse gears, allows for a broad range of speeds and precise control over the machine. The tractor has a substantial wheelbase of 154 inches, supporting stability and better weight distribution. The operating weight of the machine is 46,680 pounds. Its dimensions are also quite notable, with a length of 312.8 inches and a width of 173.3 inches, providing a significant presence in the field. The tractor comes equipped with a closed center pressure/flow compensated hydraulic system and runs on large 800/70R38 tires. The high-capacity cab offers comfort and protection for the operator during extended periods of use.
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Key Specifications

Power Output: 631.6

Transmission: Full power shift

Operating Weight: 46680

Fuel Type: Diesel

Technical Specifications

Engine

Manufacturer
John Deere
Model
JD14
Cooling Type
Liquid-cooled
Cylinder Orientation
Inline
Valve Configuration
24-valve
Fuel Type
Diesel
Induction Type
Turbocharged aftercooled
Cylinders
6
Displacement (ci)
826.9
Bore (in)
5.2
Stroke (in)
6.5
Rated RPM
2100
Power Output (hp)
631.6

Transmission

Type
Full power shift
Forward Gears
18
Reverse Gears
6
Total Gears
-

Dimensions

Length (in)
312.8
Width (in)
173.3*
Height (in)
147.3 (cab), 147.1 (exhaust)
Operating Weight (lb)
46680

Power Take-Off (PTO)

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

Miscellaneous

Chassis
-
Drive Type
-
Steering Type
-
Coolant Capacity (qts)
59.7
Front Tire Diameter (in)
-
Front Tire Width (in)
-
Rear Tire Diameter (in)
-
Rear Tire Width (in)
-
Front/Rear Rim Diameter (in)
-
Tire Type
-
Manufacture - End Year
-
Hitch Type
IVN/IV (Assumed to be Typo for IV/IVN)
Hitch Category
Category 3
Hitch Position
Rear
Hitch Capacity (lb)
-
Operator Station Type
Cab
Starter Type
Electric
Brake Type
-
Hydraulic System Type
Closed center pressure/flow compensated

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