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

FeatureKubota B6100HSTTractorKubota B5100Tractor
Tractor TypeSub-Compact Utility TractorSub-Compact Utility Tractor
Horsepower10.3 kW8.8 kW
Weight522.0 kg405.0 kg
Lift Capacity180.0 kg140.0 kg
Transmission TypeHydrostatic transmissionGear shift with dry single plate type clutch
Length210.0 cm182.0 cm
Years Made1977-19971978-1984
Engine ModelD650-AZ500-A1
Engine Type4-stroke, liquid-cooled, inline4-stroke, liquid-cooled, inline
Fuel TypeDieselDiesel
Cylinders32
Displacement675 cc508 cc
Bore6.40 cm6.81 cm
Stroke7.01 cm7.01 cm
Rear PTO Speed540 /850 RPM540 /1000 RPM
Middle PTO Speed2.450 rpm—
Rated RPM2800 RPM3000 RPM
Battery12 V 45Ah12 V 35Ah
StarterElectricElectric
Height116.0 cm112.0 cm
Width98.0 cm92.0 cm
Wheelbase140.0 cm118.0 cm
Fuel Tank Capacity13.0 l8.0 l
Oil Capacity3.1 l2.3 l
Coolant Capacity4.6 l3.0 l
Transmission Oil Capacity13.5 l8.5 l
Gears2 forward and 2 reverse6 forward and 2 reverse
ChassisB6100HST-E: 4×2 2WDB6100HST-D: 4×4 MFWD 4WDB5100E: 4×2 2WDB5100DT: 4×4 MFWD 4WD
Max. Travel Speed10.0 km/h6.4 km/h
BrakesInternal-expanding type, right and left independent with interlock deviceInternal-expanding type, right and left independent with interlock device
Differential TypeB6100HST-E: Bevel gear type B6100HST-D: Bevel gear type—
Drawbar CategoryII
Cabin TypeOpen operator station with two-post ROPSOpen operator station with two-post ROPS
Steering TypeBall screw typeBall screw type
Front TiresB6100HST-E: Ag: 4.00-9; Lawn/turf: 20×8.00-10B6100HST-D: Ag: 5-12, 6-12; Lawn/turf: 20.5×8.00-10B5100E: Ag: 4.00-9 Lawn/turf: 18×8.50-8B5100DT: Ag: 4.50-10 Lawn/turf: 18×6.50-8
Rear TiresB6100HST-E: Ag: 7-16, 8-16; Lawn/turf: 29-12.00-15B6100HST-D: Ag: 7-16, 8-16; Lawn/turf: 29×12.0-15Ag: 7.00-16 Lawn/turf: 27×8.50-15
Rear PTO Type—Transmission
Front PTO Speed—3.000 rpm
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