Tractor · 2002Unverified
John Deere 6403
John Deere 6403 — Utility tractor · 87 hp. Reference specifications; pending source verification.
Provisional listing — the headline figure is shown; full specifications are auto-generated and pending verification against published sources.
Rated power
87 hp
Max power
66.7 kW
Weight
7695 to 8987 pounds
Hover a source tag to verify
Overview
ManufacturerJohn DeereReference
Utility tractorReference
Built in Saltillo, MexicoReference
Original price was $30,942 in 2004 with 2WDReference
Two- or four-wheel driveReference
Final drivesinboard planetaryReference
Differential lockmechanical rearReference
Power steeringReference
Mechanical wet disc brakesReference
Two-post folding ROPS. ComfortVantage Cab optional.Reference
Engine
John Deere 4.5L 4-cyl dieselReference
Fuel tank157.8 LReference
Engine76.1 kWReference
Drawbar (tested)54.3 kWReference
John DeereReference
turbocharged dieselReference
4-cylinderReference
liquid-cooledReference
Displacement4.5 LReference
Bore/Stroke106 x 127 mmReference
Power76.1 kWReference
Compression17:1Reference
Rated RPM2100Reference
Firing order1-3-4-2Reference
Starter volts12Reference
Oil capacity12.3 LReference
Coolant capacity13.5 LReference
Max power66.7 kWReference
Power at rated engine speed64.7 kWReference
Max power54.3 kWReference
Transmission
9-speed partially synchronizedReference
TransmissionTop Shaft Synchronized (TSS)Reference
Typepartially synchronizedReference
Gears9 forward and 3 reverseReference
Clutch305mm cerametalic dry discReference
Three gears (1-3), plus reverse, (R) in three ranges (A-C). Gear shifts are synchronized. Tractor must be stopped to shift range.Reference
PTO & Hydraulics
PTO (claimed)63.4 kWReference
PTO (tested)66.7 kWReference
Typeopen centerReference
Pressure189.6 barReference
Rear valves2 or 3Reference
Pump flow45.8 lpmReference
Total flow56.8 lpmReference
Rear TypeIIReference
Controlmechanical lower-link draft sensingReference
Rear lift (at 24"/610mm)2189 kgReference
Rear PTOindependentReference
Clutchdry discReference
Rear PTO Type540/1000Reference
Engine RPM540@2100Reference
Engine RPM1000@2100Reference
Power at rated PTO speed65.7 kWReference
Dimensions
2WD Wheelbase231 cmReference
4WD Wheelbase230 cmReference
Weight7695 to 8987 poundsReference
Front tire10.00-16Reference
Rear tire18.4-34Reference
Standard tires (ag)Front: 10.00-16. Rear: 18.4-34Reference
Standard tires (ag)Front: 13.6-24. Rear: 18.4-34Reference
2WD Length412 cmReference
4WD Length414 cmReference
Width185 cmReference
Flanged rear axle1671 mmReference
2WD Front tread149 to 204 cmReference
4WD Front tread151 to 201 cmReference
Rear tread151 to 201 cmReference
2WD ROPS Shipping3490 kgReference
4WD ROPS Shipping3687 kgReference
2WD Cab Shipping3891 kgReference
4WD Cab Shipping4076 kgReference
4WD ROPS Operating3969 kgReference
Ballasted5223 kgReference
Steering wheel203 cmReference
6403 Serial Number Location
Serial number plate on the right side of the tractor frame, above the front axle.Reference
6403 Serial Numbers
20021339Reference
20031557Reference
20042129Reference
20052621Reference
20063762Reference
20075342Reference
FAQ: How to read a serial number table.Reference
Electrical
GroundnegatveReference
Charging systemalternatorReference
Charging amps65Reference
Battery CCA925Reference
Battery volts12Reference
John Deere 6403 Height
2WD Hood173 cmReference
4WD Hood172 cmReference
ROPS276 cmReference
Height (Folded ROPS)206 cmReference
Exhaust288 cmReference
Test results
Diesel 9-speed 4WDSeptember 10 - 23, 2002Link: OCED Tractor Test 1808 fileReference
PTO performanceReference
Fuel use19.3 l/hourReference
Fuel use19.7 l/hourReference
Drawbar performanceReference
Values normalized to UK metric units. Every figure is traced to at least one source; verified specs are cross-checked against two or more.