Kubota KL31 tractor

Kubota KL31

Power

30 hp

Production

1999-2005

Engine

Diesel, 3-cylinder

Weight

3285 lbs [1490 kg]

Drive

4WD

From the same series:

KL28
KL34

Introduction

Kubota KL31 Compact Utility Tractor

The Kubota KL31 is a compact utility tractor produced between 1999 and 2005. Designed for versatility in agricultural and maintenance applications, this model belongs to the Kubota KL series and is engineered to balance compact dimensions with effective mechanical performance.

Engine and Power

The tractor is powered by the Kubota D1703 diesel engine, a 1.6-liter, 3-cylinder liquid-cooled unit. It delivers a power output of 30.6 hp (22.8 kW) at a rated speed of 2700 RPM. The engine configuration provides stable power for implements requiring consistent torque during operation.

Transmission and Drivetrain

The drivetrain features a four-wheel drive system combined with power steering for improved traction and operator control. Transmission options include a 20-speed configuration or a more versatile 30-speed forward and 20-speed reverse arrangement, which incorporates a shuttle shift mechanism for easier directional changes. The tractor utilizes mechanical wet disc brakes to ensure reliable stopping power.

Hydraulics and PTO

The rear power take-off (PTO) operates at 540 RPM at a rated engine speed of 2700 RPM. It features a standard 1.375-inch shaft diameter. The rear hitch is configured as Category I, allowing compatibility with a wide range of standard light-duty agricultural implements.

Dimensions and Build

With a wheelbase of 68.7 inches (174 cm) and a total length of 125.5 inches (318 cm), the KL31 maintains a compact footprint suitable for confined workspaces. The ROPS-equipped version weighs 2,888 lbs (1,309 kg), providing a stable base for its size, while an optional cab configuration is available for operator comfort.

Conclusion

The Kubota KL31 is a well-balanced compact utility tractor suited for small-to-medium agricultural tasks. Its variety of transmission options and robust 3-cylinder diesel engine make it an appropriate choice for operators requiring a maneuverable machine capable of handling diverse implement-based work.

Production Information of Kubota, KL31

  • Compact Utility tractor
ManufacturerKubota

Dimension and Tires Information of Kubota, KL31

Cab Weight3285 lbs [1490 kg]
Wheelbase68.7 inches [174 cm]
Height (cab)82.7 inches [210 cm]
Height (ROPS)78 inches [198 cm]
Length125.5 inches [318 cm]
Ground clearance14.2 inches [36 cm]
ROPS Weight2888 lbs [1309 kg]
Width55.9 inches [141 cm]
Rear tread42.9 to 58.3 inches [108 to 148 cm]
Front tread44.5 inches [113 cm]
Standard tires (ag)Front: 8-16. Rear: 12.4-26

Engine Specifications of Kubota, KL31

  • Kubota D1703
  • Liquid-cooled
  • Diesel
  • 3-cylinder
Power30.6 hp [22.8 kW]
Displacement100.5 ci [1.6 L]
Rated RPM2700
Bore/Stroke3.43x3.64 inches [87 x 92 mm]
Starter volts12
StarterElectric

Transmission Information of Kubota, KL31

Transmission variants 1

  • Four gears (1-4) in two ranges with three-range shift (creeper, medium, and high-speed).
Gears20 forward and reverse

Transmission variants 2

  • Twelve gears in three ranges (creeper, medium, and high-speed) with shuttle shift. Only gears 1-8 available in reverse. In high-speed range only gears six forward and four reverse gears available.
Gears30 forward and 20 reverse
  • 20-speed
  • 30-speed

Mechanical Specs of Kubota, KL31

  • Four-wheel drive
  • Two-post ROPS. Cab optional.
  • Power steering
  • Mechanical wet disc brakes

Power Information of Kubota, KL31

Rear PTO Type540 (1.375)
Rear PTO Type(optional)1260@2700
Rear PTO Type(optional)945@2700
Engine RPM540@2700
Engine RPM(optional)-945@2700
Engine RPM(optional)763@2700

Three-Point Hitch of Kubota, KL31

Rear TypeI

Electrical System of Kubota, KL31

GroundNegative
Battery volts12

Where it sits

With 30 HP, the Kubota KL31 sits between KL28 (27 HP) and KL34 (33 HP) in Kubota's range. Its power puts it in the 18th percentile of 1990s models in our database (2097 machines).

Frequently asked questions

How much horsepower does the Kubota KL31 have?

The Kubota KL31 delivers 30 HP.

What years was the Kubota KL31 produced?

The Kubota KL31 was produced in 1999-2005.

What engine does the Kubota KL31 have?

The Kubota KL31 is powered by a Diesel, 3-cylinder engine.

How much does the Kubota KL31 weigh?

The Kubota KL31 weighs 3285 lbs [1490 kg].

Is the Kubota KL31 4WD?

The Kubota KL31 is available in 4WD.

Compare the Kubota KL31 with another model