Kubota F3990 vs Sears lawn tractors GT/18 Hydro

Side-by-side specs comparison

Kubota F3990

Kubota F3990

39 HP · 2014–2024

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Sears lawn tractors GT/18 Hydro

Sears lawn tractors GT/18 Hydro

18 HP · 1978

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Verdict by the numbers

  • The Kubota F3990 is more powerful than the Sears lawn tractors GT/18 Hydro: 39 HP versus 18 HP (+21 HP, +117%).
  • The Kubota F3990 is the more recent model: production started in 2014, versus 1978 for the Sears lawn tractors GT/18 Hydro.
  • The Kubota F3990 is heavier: 778 kg versus 312 kg for the Sears lawn tractors GT/18 Hydro.
  • The Kubota F3990 has the wider mower deck: 60" versus 42".

Full specs comparison

Kubota F3990Sears lawn tractors GT/18 Hydro
Power39 HP18 HP
Production years2014–20241978
FuelDieselElectric
Cylinders4—
Weight778 kg312 kg
Drive4WD2WD
TransmissionHydrostaticHydrostatic
Wheelbase130 cm—
Length251 cm173 cm
Mower deck60"42"

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