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

FeatureAllis Chalmers 620TractorKubota A-19Tractor
Tractor TypeSub-Compact Utility TractorSub-Compact Utility Tractor
Horsepower14.5 kW13.6 kW
Weight680.0 kg670.0 kg
Transmission TypeHydrostatic—
Length210.0 cm253.0 cm
Pump Flow8.5 LPM—
Years Made1973-19751988-1992
Engine ModelOnan CCKBD1105
Engine Type4-stroke, air-cooled, inline4-stroke, liquid-cooled, inline
Fuel TypeGasolineDiesel
Cylinders23
Displacement816 cc1123 cc
Bore8.31 cm7.80 cm
Stroke7.59 cm7.85 cm
Rear PTO Speed2.000 RPM540 RPM
Front PTO Speed2.000 RPM—
Rated RPM3600 RPM2600 RPM
Compression Ratio7.0:1—
Battery12 V12 V
StarterElectricElectric
Height109.0 cm127.0 cm
Width121.0 cm104.0 cm
Ground Clearance38.0 cm—
Fuel Tank Capacity14.5 l17.0 l
Oil Capacity3.3 l—
Hydraulic Capacity4.7 l—
GearsInfinite forward and reverse6 forward and 2 reverse
Chassis4×2 2WD4×4 4WD
Drawbar Category00
Cabin TypeOpen operator stationOpen operator station with two-post ROPS
Front TiresAg: 4.00×12Lawn/turf: 20-8×10Ag: 6-12
Rear TiresAg: 8×16Lawn/turf: 29-12.5×15Ag: 8.3-20
Working Pressure34.5 bar—
Wheelbase—135.0 cm
Max. Travel Speed—6.4 km/h
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