SPECS / COMPARISON

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

Feature	Kubota A-19Tractor	Kubota B1830Tractor
Tractor Type	Sub-Compact Utility Tractor	Compact Utility Tractor
Horsepower	13.6 kW	13.2 kW
Weight	670.0 kg	705.0 kg
Length	253.0 cm	273.5 cm
Years Made	1988-1992	2007-2013
Engine Model	D1105	Kubota D905-E2-D21-EU
Engine Type	4-stroke, liquid-cooled, inline	4-stroke, liquid-cooled, inline
Fuel Type	Diesel	Diesel
Cylinders	3	3
Displacement	1123 cc	898 cc
Bore	7.80 cm	7.19 cm
Stroke	7.85 cm	7.37 cm
Rear PTO Speed	540 RPM	540 RPM
Rated RPM	2600 RPM	—
Battery	12 V	12 V, CCA: 430A
Starter	Electric	Electric
Height	127.0 cm	224.0 cm
Width	104.0 cm	102.5 cm
Wheelbase	135.0 cm	150.0 cm
Fuel Tank Capacity	17.0 l	28.0 l
Gears	6 forward and 2 reverse	9 forward and 9 reverse
Chassis	4×4 4WD	4×4 MFWD 4WD
Max. Travel Speed	6.4 km/h	17.3 km/h
Drawbar Category	0	I
Cabin Type	Open operator station with two-post ROPS	Open operator station with two-post ROPS
Front Tires	Ag: 6-12	Ag: 6-12B, 6-12
Rear Tires	Ag: 8.3-20	Ag: 8-16, 9.5-16
Lift Capacity	—	970.0 kg
Transmission Type	—	Gear shift with dry single plate type clutch
Pump Flow	—	20.4 LPM
Rear PTO Type	—	Transmission
Middle PTO Speed	—	2500 RPM
Torque Speed	—	54.0 N·m
Compression Ratio	—	23.0:1
Oil Capacity	—	3.0 l
Coolant Capacity	—	4.5 l
Transmission Oil Capacity	—	16.5 l
Front Hubs Capacity	—	3.7 l
Brakes	—	Wet disc type
Differential Lock	—	Mechanical rear
Hitch Type	—	Position control
Steering Type	—	Hydrostatic power
Total Flow	—	36.0 LPM
Steering Flow	—	15.5 LPM
Working Pressure	—	151.7 bar
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