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Manufacturer-sourced values side by side. No performance equivalence or ranking is applied across different machine classes.

FeatureJohn Deere 6403TractorJohn Deere 6105DTractor
Tractor TypeUtility TractorUtility Tractor
Horsepower76.1 kW78.3 kW
Weight4080.0 kg4150.0 kg
Lift Capacity2190.0 kg3310.0 kg
Transmission TypePartially synchronized with cerametalic dry disc clutchPartially synchronized with wet disc clutch
Length414.0 cm421.0 cm
Pump Flow45.8 LPM75.7 LPM
Years Made2002-20082013-2016
Engine ModelJohn DeereJohn Deere PowerTech PWX
Engine Type4-stroke, liquid-cooled, inline4-stroke, liquid-cooled, inline
Fuel TypeDieselDiesel
Cylinders44
Displacement4523 cc4506 cc
Bore10.59 cm10.59 cm
Stroke12.70 cm12.70 cm
Rear PTO TypeIndependent with dry disc clutchIndependent
Rear PTO Speed540 /1000 RPM540 /1000 RPM
Rated RPM2100 RPM2200 RPM
Compression Ratio17.0:119.0:1
Battery12 V, CCA 925A12 V
StarterElectricElectric
Height276.0 cm274.0 cm
Wheelbase230.0 cm245.0 cm
Fuel Tank Capacity157.8 l157.8 l
Oil Capacity12.3 l15.0 l
Coolant Capacity13.5 l17.7 l
Transmission ModelTop Shaft SynchronizedHi-Lo PowrReverser
Final DriveInboard planetaryInboard planetary
Gears9 forward and 3 reverse24 forward and 12 reverse
Chassis4×2 2WD or 4×4 MFWD 4WD4×2 2WD or 4×4 MFWD 4WD
Max. Travel Speed27.8 km/h29.3 km/h
BrakesMechanical wet discHydraulic wet disc
Differential LockMechanical rearMechanical rear
Drawbar CategoryIIII
Cabin TypeTwo-post folding ROPS or ComfortVantage CabTwo-post foldable ROPS or Cab
Hitch TypeMechanical lower-link draft sensingPosition control, draft-control
Steering TypePowerPower
Front TiresAg: 10.00-16, 13.6-24Ag: 10.00-16 , 18.4-34
Rear TiresAg: 18.4-34Ag: 13.6-24 , 18.4-34
Hydraulic TypeOpen centerOpen center
Total Flow56.8 LPM—
Working Pressure189.6 bar195.0 bar
Valves2 or 32 or 3
Torque Power—1600 RPM
Torque Speed—423.1 N·m
Ground Clearance—45.0 cm
SCV Flow—75.7 LPM
Sourceheavyequipments.net archive (imported 2026-10)heavyequipments.net archive (imported 2026-10)
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Side-by-side specification comparisons generated from the manufacturer-sourced model files. · 7,051