John Deere 6403

Last Updated: June 2024

Overview

The John Deere 6403 is a versatile utility tractor that was manufactured in Saltillo, Mexico from 2002 to 2008. It is equipped with a 4.5 L four-cylinder turbocharged diesel engine and comes in either a 2WD or 4WD configuration. With a power output of 102 hp and a rated RPM of 2100, this tractor can handle a multitude of tasks with ease. A two-post folding ROPS is standard, with an optional ComfortVantage Cab for operator comfort. The John Deere 6403 has a partially synchronized transmission with 9 forward and 3 reverse gears and power steering, contributing to its ease of use. This model also benefits from a mechanically actuated wet disc braking system, which ensures reliable stopping power. It offers an operational weight range between 7695 and 8987 pounds, depending on the configuration, which provides stability and traction for various applications. The tractor's hydraulics system includes an open center setup with a pump flow of 12.1 gpm, providing sufficient hydraulic power for a range of implements.
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Key Specifications

Category: Utility

Power Output: 102 hp

Transmission: Partially synchronized

Drive Type: 2WD or MFWD 4WD

Operating Weight: 2WD ROPS: 7695, 4WD ROPS: 8130, 2WD Cab: 8580, 4WD Cab: 8987

Fuel Type: Diesel

John Deere 6403 vs. Similar Tractors

Power Output
Above Average
Greater than 82% of similar tractors.
Hitch Capacity
Above Average
Greater than 75% 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
4
Displacement (ci)
276 ci
Bore (in)
4.19
Stroke (in)
5
Rated RPM
2100
Power Output (hp)
102 hp

Transmission

Type
Partially synchronized
Forward Gears
9
Reverse Gears
3
Total Gears
-

Dimensions

Length (in)
2WD: 162.4 or 4WD: 163.1
Width (in)
73 (across rear fenders)
Height (in)
ROPS: 108.7
Operating Weight (lb)
2WD ROPS: 7695, 4WD ROPS: 8130, 2WD Cab: 8580, 4WD Cab: 8987

Power Take-Off (PTO)

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

Miscellaneous

Chassis
4x2 2WD or 4x4 MFWD 4WD
Drive Type
2WD or MFWD 4WD
Steering Type
Power
Coolant Capacity (qts)
14.3
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
2008
Hitch Type
II
Hitch Category
-
Hitch Position
Rear
Hitch Capacity (lb)
4830 lbs
Operator Station Type
Two-post folding ROPS or ComfortVantage Cab (optional)
Starter Type
Electric
Brake Type
Mechanical wet disc
Hydraulic System Type
Open center