Search
Find your tractor.
Menu ☰
Years in Production / 2002–2008
John Deere
6403
Explore the specifications, hardware, and original references for the John Deere 6403.
102hp
Source index power
MFWD Optional
Drive
2002–2008
Production years
John Deere
Manufacturer
6403 / 01
At a glance
Overview
2002 - 2008
6003 Series
Utility tractor
Production
Utility tractor
Built in Saltillo, Mexico
Original price was $30,942 in 2004 with 2WD
- Manufacturer
- John Deere
Mechanical
Two- or four-wheel drive
Power steering
Mechanical wet disc brakes
Two-post folding ROPS. ComfortVantage Cab optional.
- Final Drives
- inboard planetary
- Differential Lock
- mechanical rear
Hydraulics
- Type
- open center
- Pressure
- 2750 psi189.6 bar
- Rear Valves
- 2 or 3
- Pump Flow
- 12.1 gpm45.8 lpm
- Total Flow
- 15 gpm56.8 lpm
Hitch
- Rear Type
- II
- Control
- mechanical lower-link draft sensing
- Rear Lift At24610mm
- 4828 lbs2189 kg
Pto
- Rear Pto
- independent
- Clutch
- dry disc
- Rear Type
- 540/1000
- Engine Rpm
- 540@2100
- Engine Rpm
- 1000@2100
Serial Numbers
FAQ: How to read a serial number table.
- 2002
- 1339
- 2003
- 1557
- 2004
- 2129
- 2005
- 2621
- 2006
- 3762
- 2007
- 5342
Electrical
- Ground
- negatve
- Charging System
- alternator
- Charging Amps
- 65
- Battery Cca
- 925
- Battery Volts
- 12
6403 / 02
Under the hood
Engine Detail
John Deere
turbocharged diesel
4-cylinder
liquid-cooled
- Displacement
- 276 ci4.5 L
- Bore Stroke
- 4.19x5.00 inches106 x 127 mm
- Power
- 102 hp76.1 kW
- Compression Ratio
- 17:1
- Rated Rpm
- 2100
- Firing Order
- 1-3-4-2
- Starter Volts
- 12
- Oil Capacity
- 13 qts12.3 L
- Coolant Capacity
- 14.3 qts13.5 L
- Cylinders
- 4
- Cooling
- liquid-cooled
Engine Options
John Deere 4.5L 4-cyl diesel
- Fuel Tank
- 41.7 gal157.8 L
6403 / 03
Gears & controls
Transmission
Three gears (1-3), plus reverse, (R) in three ranges (A-C). Gear shifts are synchronized. Tractor must be stopped to shift range.
- Transmission
- Top Shaft Synchronized (TSS)
- Transmission Type
- partially synchronized
- Gears
- 9 forward and 3 reverse
- Clutch
- 305mm cerametalic dry disc
John Deere6403 Transmission
9-speed partially synchronized
6403 / 04
Size. Stance. Footprint.
Dimensions
- Length
- 163.1 in414 cm
- Width
- 73 in185 cm
- Height
- 80.3 in203 cm
- Height (ROPS)
- 108.7 in276 cm
- Wheelbase
- 90.9 in230 cm
- Front tread
- 59.7 in151 cm
- Rear tread
- 59.5 in151 cm
Dimensions And Tires
- 2wd Wheelbase
- 91.3 inches231 cm
- 4wd Wheelbase
- 90.9 inches230 cm
- Weight
- 7695 to 8987 pounds
- Front Tire
- 10.00-16
- Rear Tire
- 18.4-34
Serial Number Location
Serial number plate on the right side of the tractor frame, above the front axle.
Tires And Tracks
- Standard Tires Ag
- Front: 10.00-16. Rear: 18.4-34
- Standard Tires Ag
- Front: 13.6-24. Rear: 18.4-34
See it in action
Videos
Watch John Deere 6403 videos from their original YouTube creators.
6403 / 06
Tests (NTTL)
Oced Tractor Test1808
Diesel 9-speed 4WDSeptember 10 - 23, 2002Link: OCED Tractor Test 1808 file
PTO performance
Drawbar performance
- Max Power
- 89.43 hp66.7 kW
- Max Power
- 72.87 hp54.3 kW
- Fuel Use
- 5.1 gal/hour19.3 l/hour
- Fuel Use
- 5.2 gal/hour19.7 l/hour
- Power At Rated Engine Speed
- 86.77 hp64.7 kW
- Power At Rated Pto Speed
- 88.09 hp65.7 kW