John Deere 6403

Last Updated: September 2024

Overview

The John Deere 6403 is a powerful utility tractor built from 2002 to 2008. It has a strong 4-cylinder diesel engine that makes 102 horsepower. This engine power is above average compared to other tractors. The tractor has a 4-wheel drive system, which helps it work well in tough conditions.

The 6403 has a three-point hitch at the back that can lift up to 4,830 pounds. This lifting power is very high compared to many other tractors. It also has two PTO speeds, 540 and 1000 rpm, which let it work with different tools. The tractor weighs 8,987 pounds, which is above average for its class. It has a partially synchronized transmission with 9 forward gears and 3 reverse gears, giving the driver good control.

This John Deere model has some handy features like mechanical lower-link draft sensing and a differential lock for the rear wheels. It has a two-post folding ROPS for safety and uses an open center hydraulic system. The 6403 is a bit bigger than some tractors, measuring 163.1 inches long, 73 inches wide, and 108.7 inches tall. Overall, it's a strong and capable tractor for many farm jobs.
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Key Specifications

Category: Utility

Power Output: 102 hp (76.1 kW)

Transmission: Partially synchronized

Drive Type: MFWD 4WD

Operating Weight: 8987 lb (4076 kg)

Fuel Type: Diesel

John Deere 6403 vs. Similar Tractors

Power Output

The Power Output for the John Deere 6403 is Above Average. It is greater than 84% of similar Utility tractors in our database.

Horsepower distribution of Utility tractors

(across 4.7K+ tractors in our database)

Operating Weight

The Operating Weight for the John Deere 6403 is Above Average. It is greater than 82% of similar Utility tractors in our database.

Operating weight distribution of Utility tractors

(across 4.4K+ tractors in our database)

Engine Displacement

The Engine Displacement for the John Deere 6403 is Above Average. It is greater than 82% of similar Utility tractors in our database.

Engine displacement distribution of Utility tractors

(across 1K+ tractors in our database)

Engine Rated RPM

The Engine Rated RPM for the John Deere 6403 is Below Average. It is greater than 15% of similar Utility tractors in our database.

Engine rated RPM distribution of Utility tractors

(across 1K+ tractors in our database)

Technical Specifications

Engine

Manufacturer
John Deere
Cooling Type
Liquid-cooled
Cylinder Orientation
Inline
Fuel Type
Diesel
Induction Type
Turbocharged
Cylinders
4
Displacement
276 ci (4.5 L)
Bore
4.19 in (106.4 mm)
Stroke
5.00 in (127.0 mm)
Rated RPM
2100
Power Output
102 hp (76.1 kW)

Transmission

Type
Partially synchronized
Forward Gears
9
Reverse Gears
3

Drivetrain

Chassis
4x4 MFWD 4WD
Drive Type
MFWD 4WD
Steering Type
Power
Brake Type
Mechanical wet disc