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John Deere 6403 Technical Data

John Deere 6403 Engine Specifications

Engine Model ................ John Deere 4045T PowerTech
Engine Type ................ 4-Stroke, 4-cylinder turbocharged diesel
Number of Cylinders ................ 4, in-line
Displacement, cu in (L) ................ 275.0 (4.50)
Engine Bore, in (mm) ................ 4.15 (105.0)
Engine Stroke, in (mm) ................ 5.00 (127.0)
Aspiration ................ Turbocharged
Rated Engine Power, hp (kW) ................ 98.0 (73.1)
Rated Engine Speed, rpm ................ 2100
Operating Speed Range, rpm ................ 850-2275
Maximum Torque, Nm (lb-ft) ................ 331 (244)
Torque Speed, rpm ................ 1500
Compression ................ 17.0:1
Firing Order ................ 1-3-4-2
Fuel System ................ Injection pump
Valve Clearance (Intake), in (mm) ................ 0.012-0.015 (0.31-0.38)
Valve Clearance (Exhaust), in (mm) ................ 0.016-0.019 (0.41-0.48)
Fuel Tank Capacity, gal (L) ................ 40.0 (152.0)
Oil Capacity, qts (L) ................ 13.0 (12.0)
Coolant Capacity, qts (L) ................ 14.3 (13.5)
Electrical System Rating, Volts ................ 12
Charging System ................ Alternator
Alternator Rating, Amps ................ 65

JD 6403 Power Take-Off

PTO Operational Type ................ Independent
PTO Horsepower, hp (kW) ................ 85.0 (63.0)
PTO Shaft Size, in (mm) ................ 1.4 (35.0)
PTO Speed, rpm ................ 540/1000
PTO / Engine Speed, rpm ................ 540/2100
PTO / Engine Speed, rpm ................ 1000/2100

Transmission Configuration

Transmission Type ................ Top Shaft Synchronizer
Gearbox Type ................ 9F/3R
Number of Forward Gears ................ 9
Number of Reverse Gears ................ 3
Oil Capacity, qts (L) ................ 63.6 (60.0)
Maximum Forward Speed, mph (kph) ................ 18.3 (29.5)
Maximum Reverse Speed, mph (kph) ................ 17.3 (27.8)

John Deere 6403 Wheels and Tires

Drive Wheels ................ 2WD/4WD
Steering Configuration ................ Front Steer
Steering System ................ Hydrostatic power
Brakes Type ................ Differential wet disc
Front Tire Size (2WD) ................ 10.0-16
Rear Tire Size (2WD) ................ 16.9-34
Front Tire Size (4WD) ................ 12.4-24
Rear Tire Size (4WD) ................ 18.4-34
Front Tread, in (mm) ................ 58.7-80.6 (1490-2040)
RearTread, in (mm) ................ 60.1-79.8 (1520-2020)

JD 6403 Hydraulics and Hitch

Hydraulic System Type ................ Open Center
Implement Pump Type ................ Dual Gear
Implement Pump Flow, gpm (Lpm) ................ 12.0 (45.4)
Hydraulic Pressure, bar (psi) ................ 190 (2755)
Hydraulic Capacity, qts (L) ................ 15.8 (60.0)
Number of Standard Remote Valves ................ 2/3
3-Point Hitch Category ................ 2
Fixed Draft Links ................ Standard
Standard Lift Capacity at lift pin, lb (kg) ................ 4830 (2190)
Standard Lift Capacity 24" (0.6m) behind pin, lb (kg) ................ 3150 (6945)

John Deere 6403 Dimensions and Weight

Wheelbase (2WD), in (mm) ................ 91.3 (2120)
Wheelbase (4WD), in (mm) ................ 91 (2310)
Length (2WD), in (mm) ................ 149.2 (3860)
Length (4WD), in (mm) ................ 157.9 (4010)
Overall Width, in (mm) ................ 65 (1650)
Height, in (mm) ................ 113 (2880)
Ground Clearance (2WD), in (mm) ................ 23.5 (600)
Ground Clearance (4WD), in (mm) ................ 17 (430)
Weight (ROPS, 2WD), lb (kg) ................ 7915 (3590)
Weight (Cab, 2WD), lb (kg) ................ 8220 (3730)
Weight (ROPS, 4WD), lb (kg) ................ 8540 (3875)
Weight (Cab, 4WD), lb (kg) ................ 8850 (4015)

JOHN DEERE TRACTORS ATTACHMENTS
1023E	2025R	2210	2520	3032E
3046R	3520	4066R	4105	4200
4320	4400	4520	4600	4720
430	420	455	X300	X350
X485	X500	X590	X700	X738

JOHN DEERE TRACTORS TROUBLESHOOTING
2640	3040	3310	3650	4100
5050D	5090R	5410	6105R	7200R
E130	L111	LA110	LT155	X300R