Kubota F3990 vs Simplicity SunRunner 12G

Side-by-side specs comparison

Kubota F3990

Kubota F3990

39 HP · 2014–2024

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Simplicity SunRunner 12G

Simplicity SunRunner 12G

12 HP · 1987–1989

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Verdict by the numbers

  • The Kubota F3990 is more powerful than the Simplicity SunRunner 12G: 39 HP versus 12 HP (+27 HP, +225%).
  • The Kubota F3990 is the more recent model: production started in 2014, versus 1987 for the Simplicity SunRunner 12G.
  • The Kubota F3990 is heavier: 778 kg versus 222 kg for the Simplicity SunRunner 12G.
  • The Kubota F3990 has the wider mower deck: 60" versus 36".

Full specs comparison

Kubota F3990Simplicity SunRunner 12G
Power39 HP12 HP
Production years2014–20241987–1989
FuelDieselGasoline
Cylinders41
Weight778 kg222 kg
Drive4WD2WD
TransmissionHydrostaticGear
Gears (fwd/rev)5 / 1
Wheelbase130 cm101 cm
Length251 cm162 cm
Mower deck60"36"

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