Kubota KL21 tractor

Kubota KL21

Power

20 hp

Production

1999-2005

Engine

Diesel, 3-cylinder

Weight

2840 lbs [1288 kg]

Drive

4WD

From the same series:

KL23

Introduction

Kubota KL21 Compact Utility Tractor

The Kubota KL21 is a compact utility tractor produced between 1999 and 2005. Designed for versatility in agricultural and maintenance tasks, this machine is built on a robust 3-cylinder diesel platform.

Engine and Performance

The tractor is powered by the Kubota D1403 engine, a 3-cylinder liquid-cooled diesel unit with a 1.4-liter displacement. It delivers 20.7 horsepower at a rated engine speed of 2600 RPM. This engine configuration is designed to provide consistent torque for standard utility applications.

Drivetrain and Transmission

The KL21 is equipped with a four-wheel-drive system and power steering to enhance maneuverability. The transmission options vary by configuration, offering a 16-speed arrangement with a creeper range and shuttle shift, or a 24-speed version for models equipped with a factory cabin. Mechanical wet disc brakes are utilized to ensure reliable stopping power.

Hydraulics and PTO

The rear power take-off (PTO) operates at a standard 540 RPM at a rated engine speed of 2600 RPM. The tractor utilizes a Category I rear hitch, allowing compatibility with a wide range of light-duty agricultural implements.

Dimensions and Operator Environment

The tractor features a ground clearance of 13.2 inches and rides on standard agricultural tires sized 6-14 at the front and 8.3-24 at the rear. It is available with a two-post ROPS (Roll-Over Protective Structure) with an optional cabin. The ROPS-equipped model weighs approximately 2,840 lbs, while the cabin model weighs 2,877 lbs.

Conclusion

The Kubota KL21 is a compact and durable utility tractor suitable for small-scale farming, landscaping, and property maintenance. Its combination of multiple transmission choices, four-wheel drive, and standard PTO makes it a flexible tool for operators requiring a reliable machine in a compact footprint.

Production Information of Kubota, KL21

  • Compact Utility tractor
ManufacturerKubota

Dimension and Tires Information of Kubota, KL21

Front tread37.4 inches [94 cm]
ROPS Wheelbase61 inches [154 cm]
Width48 inches [121 cm]
Cab Length118.7 inches [301 cm]
Cab Wheelbase63 inches [160 cm]
ROPS Weight2840 lbs [1288 kg]
Height (ROPS)77 inches [195 cm]
ROPS Length116.7 inches [296 cm]
Rear tread39.8/44.5 inches [101/113 cm]
Ground clearance13.2 inches [33 cm]
Cab Weight2877 lbs [1305 kg]
Height (cab)77.6 inches [197 cm]
Standard tires (ag)Front: 6-14. Rear: 8.3-24

Engine Specifications of Kubota, KL21

  • Kubota D1403
  • Liquid-cooled
  • Diesel
  • 3-cylinder
Power20.7 hp [15.4 kW]
Displacement85 ci [1.4 L]
Rated RPM2600
Bore/Stroke3.1x3.6 inches [79 x 91 mm]
Starter volts12
StarterElectric

Transmission Information of Kubota, KL21

Transmission variants 1

  • Four gears (1-4) in two ranges with additional creeper range and shuttle shift.
Gears16 forward and reverse

Transmission variants 2

  • Eight gears in two ranges (creeper and high) with shuttle shift.
Gears16 forward and reverse

Transmission variants 3

  • Twelve gears in two ranges (creeper and high) with shuttle shift. Only eight gears available in reverse. 24-speed transmission only on tractors with cabin.
Gears24 forward and 16 reverse
  • 16-speed
  • 24-speed

Mechanical Specs of Kubota, KL21

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

Power Information of Kubota, KL21

Rear PTO Type540 (1.375)
Rear PTO Type(optional)1313@2600
Rear PTO Type(optional)985@2600
Engine RPM564@2600
Engine RPM(optional)-985@2600
Engine RPM(optional)795@2600

Three-Point Hitch of Kubota, KL21

Rear TypeI

Electrical System of Kubota, KL21

GroundNegative
Battery volts12

Where it sits

With 20 HP, the Kubota KL21 sits just below KL23 (22 HP) in Kubota's range. Its power puts it in the 7th percentile of 1990s models in our database (2097 machines).

Frequently asked questions

How much horsepower does the Kubota KL21 have?

The Kubota KL21 delivers 20 HP.

What years was the Kubota KL21 produced?

The Kubota KL21 was produced in 1999-2005.

What engine does the Kubota KL21 have?

The Kubota KL21 is powered by a Diesel, 3-cylinder engine.

How much does the Kubota KL21 weigh?

The Kubota KL21 weighs 2840 lbs [1288 kg].

Is the Kubota KL21 4WD?

The Kubota KL21 is available in 4WD.

Compare the Kubota KL21 with another model