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Tractor · 2002Unverified

John Deere 6403

Name: John Deere 6403
Brand: John Deere

John Deere 6403 — Utility tractor · 87 hp. Reference specifications; pending source verification.

The John Deere 6403 is a tractor model with a rated power output of 87 hp, a mid-range figure for its class. It was manufactured from 2002 to 2008. The 6403 is equipped with a 4-cylinder turbocharged diesel liquid-cooled engine, paired with a 4-wheel drive system and a 9-speed gearbox. Its operating weight is listed as 7695 to 8987 pounds.

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

Catalogue coverage

Variants represented

Richest spec table

96 rows

Recorded power

87 hp

Transmissions

9-speed partially synchronized

Production years

2002-2008

Verified variants

1 linked source document displayed

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.

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