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

FeatureHonda HT-R3811TractorGravely 812Tractor
Tractor Main CategoryGarden and Lawn Care TractorsGarden and Lawn Care Tractors
Tractor TypeRiding Mower TractorGarden Tractor
Horsepower8.2 kW8.9 kW
Weight390.0 kg408.0 kg
Transmission TypeBelt-driven gear typeShaft-driven gear
Length153.0 cm191.0 cm
Years Made1985-19881973-1978
Engine ModelHonda GXV340Kohler K301
Engine Type4-stroke, air-cooled, inline4-stroke, air-cooled
Fuel TypeGasolineGasoline
Cylinders11
Displacement337 cc476 cc
Bore8.20 cm8.56 cm
Stroke6.40 cm8.26 cm
Middle PTO TypeIndependent with manual clutch—
Rated RPM3600 RPM3600 RPM
Spark PlugNGK BPR5ESChampion RH10
Battery12 V12 V, 43Ah, Group 22F
StarterElectricElectric
Height100.0 cm109.0 cm
Wheelbase109.0 cm—
Fuel Tank Capacity1.9 l20.1 l
Oil Capacity1.1 l2.4 l
Engine Oil TypeSAE 10W-30, 10W-40SF or SG
Gears5 forward and 1 reverse8 forward and 4 reverse
Chassis4×2 2WD4×2 2WD
Max. Travel Speed2.7 km/h6.0 km/h
Cabin TypeOpen operator stationOpen operator station
Steering TypeManualManual
Front TiresLawn/turf: 11×4.00-5Lawn/turf: 16×6.50-8
Rear TiresLawn/turf: 16×6.50-8Lawn/turf: 23×8.50-12
Transmission Oil Capacity—5.7 l
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