SPECS / COMPARISON

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

Feature	John Deere 6403Tractor	Kubota M105STractor
Tractor Type	Utility Tractor	Utility Tractor
Horsepower	76.1 kW	78.3 kW
Weight	4080.0 kg	3920.0 kg
Lift Capacity	2190.0 kg	2100.0 kg
Transmission Type	Partially synchronized with cerametalic dry disc clutch	Partially synchronized
Length	414.0 cm	411.0 cm
Pump Flow	45.8 LPM	65.1 LPM
Years Made	2002-2008	2005-2007
Engine Model	John Deere	Kubota V3800-DI-TI
Engine Type	4-stroke, liquid-cooled, inline	4-stroke, liquid-cooled, inline
Fuel Type	Diesel	Diesel
Cylinders	4	4
Displacement	4523 cc	3769 cc
Bore	10.59 cm	10.01 cm
Stroke	12.70 cm	11.99 cm
Rear PTO Type	Independent with dry disc clutch	Independent
Rear PTO Speed	540 /1000 RPM	540, 540/1.000 RPM
Rated RPM	2100 RPM	2600 RPM
Compression Ratio	17.0:1	—
Battery	12 V, CCA 925A	12 V
Starter	Electric	Electric
Height	276.0 cm	269.0 cm
Wheelbase	230.0 cm	243.0 cm
Fuel Tank Capacity	157.8 l	175.0 l
Oil Capacity	12.3 l	—
Coolant Capacity	13.5 l	—
Transmission Model	Top Shaft Synchronized	Swing Shift
Final Drive	Inboard planetary	—
Gears	9 forward and 3 reverse	16 forward and 16 reverse
Chassis	4×2 2WD or 4×4 MFWD 4WD	4×2 2WD or 4×4 MFWD 4WD
Max. Travel Speed	27.8 km/h	—
Brakes	Mechanical wet disc	Hydraulic wet disc
Differential Lock	Mechanical rear	—
Drawbar Category	II	II
Cabin Type	Two-post folding ROPS or ComfortVantage Cab	ROPS or Cab with heat and air-conditioning
Hitch Type	Mechanical lower-link draft sensing	—
Steering Type	Power	Hydrostatic power
Front Tires	Ag: 10.00-16, 13.6-24	Ag: 10.00-16 , 13.6-24
Rear Tires	Ag: 18.4-34	Ag: 18.4-34
Hydraulic Type	Open center	Open center
Total Flow	56.8 LPM	—
Working Pressure	189.6 bar	196.1 bar
Valves	2 or 3	1 to 3
Width	—	200.0 cm
Ground Clearance	—	43.0 cm
Source	heavyequipments.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