Kubota F3990 vs Simplicity Javelin 20/38

Side-by-side specs comparison

Kubota F3990

Kubota F3990

39 HP · 2014–2024

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Simplicity Javelin 20/38

Simplicity Javelin 20/38

20 HP · 2006–2008

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Verdict by the numbers

  • The Kubota F3990 is more powerful than the Simplicity Javelin 20/38: 39 HP versus 20 HP (+19 HP, +95%).
  • The Kubota F3990 is the more recent model: production started in 2014, versus 2006 for the Simplicity Javelin 20/38.
  • The Kubota F3990 is heavier: 778 kg versus 235 kg for the Simplicity Javelin 20/38.
  • The Kubota F3990 has the wider mower deck: 60" versus 38".

Full specs comparison

Kubota F3990Simplicity Javelin 20/38
Power39 HP20 HP
Production years2014–20242006–2008
FuelDieselElectric
Cylinders41
Weight778 kg235 kg
Drive4WD
TransmissionHydrostaticGear
Wheelbase130 cm121 cm
Length251 cm182 cm
Mower deck60"38"

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