Kubota KB21X

Last Updated: June 2024

Overview

The Kubota KB21X is a sub-compact utility tractor that was manufactured by Kubota between the years 2009 and 2014. It features a 20.7 hp Kubota D1105 three-cylinder diesel engine with a displacement of 68.5 cubic inches and a liquid-cooling system. This model is particularly suited for varied utility tasks around a property, such as mowing, light grading, and hauling. It operates with a Glideshift transmission, which provides 36 forward gears and 24 reverse gears, allowing for a range of speed choices. The KB21X is designed with a four-wheel drive (4WD) chassis and offers power steering for easier navigation. It comes with Standard agricultural tires, sized 6.00-12 at the front and 9.5-20 at the rear. The tractor is available in two configurations: ROPS (roll-over protection structure) and an enclosed cab, with the weight and dimensions varying slightly between them. The Kubota KB21X is equipped with an electric starter, a Category 3 hitch, and it presents significant ground clearance at 13.8 inches which facilitates operation on uneven terrain.
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Key Specifications

Category: Utility, Sub-Compact

Power Output: 20.7

Transmission: Power shift

Drive Type: 4WD

Operating Weight: 1951 (Cab Glideshift), 1609 (ROPS Glideshift)

Fuel Type: Diesel

Kubota KB21X vs. Similar Tractors

Power Output
Below Average
Greater than 10% of similar tractors.
Operating Weight
Below Average
Greater than 16% of similar tractors.

Technical Specifications

Engine

Manufacturer
Kubota
Model
D1105
Cooling Type
Liquid-cooled
Cylinder Orientation
-
Valve Configuration
-
Fuel Type
Diesel
Induction Type
Naturally aspirated
Cylinders
3
Displacement (ci)
68.5
Bore (in)
3.07
Stroke (in)
3.09
Rated RPM
2600
Power Output (hp)
20.7

Transmission

Type
Power shift
Forward Gears
36
Reverse Gears
24
Total Gears
-

Dimensions

Length (in)
97.6 (Cab), 92.3 (ROPS)
Width (in)
47.6 (Cab), 44.5 (ROPS)
Height (in)
77.2 (Cab), 74.8 (ROPS)
Operating Weight (lb)
1951 (Cab Glideshift), 1609 (ROPS Glideshift)

Power Take-Off (PTO)

PTO Type
-
PTO Speed 1 (rpm)
-
PTO Speed 2 (rpm)
-
PTO Speed 3 (rpm)
-

Miscellaneous

Chassis
4x4 MFWD 4WD
Drive Type
4WD
Steering Type
Power
Coolant Capacity (qts)
-
Front Tire Diameter (in)
12
Front Tire Width (in)
6
Rear Tire Diameter (in)
20
Rear Tire Width (in)
9.5
Front/Rear Rim Diameter (in)
-
Tire Type
Agricultural
Manufacture - End Year
2014
Hitch Type
Category 0
Hitch Category
Category 3
Hitch Position
Rear
Hitch Capacity (lb)
-
Operator Station Type
ROPS/Cab
Starter Type
Electric
Brake Type
-
Hydraulic System Type
-