Kubota

Kubota KB21X

The Kubota KB21X is a sub-compact utility tractor produced from 2009 to 2014 as part of the KB Kingbull Extra Series. It features a Kubota D1105 1.1L 3-cylinder liquid-cooled diesel engine producing 20.7 hp (15.4 kW) at 2600 RPM. The tractor offers two transmission options: a 9-speed manual with dry disc clutch and a 36-speed Glideshift power shift transmission. It has four-wheel drive, power steering, mechanical wet disc brakes, and a two-post ROPS with an optional cab featuring air-conditioning. Fuel tank capacity varies with configuration, 7.1 gallons for ROPS and 5.6 gallons for cab models. The tractor's dimensions and weight vary depending on ROPS or cab and transmission type. Standard tires are 6.00-12 front and 9.5-20 rear. The PTO is a rear 540 RPM type. Electrical system is 12 volts with negative ground.
Power20 hp
Founded2009 - 2014
ModelKB21X

Technical Specifications

Detailed specifications and technical data for Kubota KB21X

Power
Engine power20.7 hp (15.4 kW)
Tires
Standard tires (ag)Front: 6.00-12. Rear: 9.5-20
Engine
Typediesel
ModelKubota D1105
Power20.7 hp (15.4 kW)
Coolingliquid-cooled
Starterelectric
Cylinders3-cylinder
Rated RPM2600
Bore/Stroke3.07x3.09 inches (78 x 78 mm)
Displacement68.5 ci (1.1 L)
Starter volts12
Weight
Cab gear1896 lbs (860 kg)
ROPS gear1554 lbs (704 kg)
Cab Glideshift1951 lbs (884 kg)
ROPS Glideshift1609 lbs (729 kg)
Variants
KB21Xwheeled
KB21X-PChalf-track
Fuel tank
Cab Fuel tank5.6 gal (21.2 L)
ROPS Fuel tank7.1 gal (26.9 L)
Dimensions
Cab Width47.6 inches (120 cm)
Cab Length97.6 inches (247 cm)
ROPS Width44.5 inches (113 cm)
Front tread33.5 inches (85 cm)
ROPS Length92.3 inches (234 cm)
Height (cab)77.2 inches (196 cm)
Cab Wheelbase53.7 inches (136 cm)
Height (ROPS)74.8 inches (189 cm)
Cab Rear tread38.2 inches (97 cm)
ROPS Wheelbase53.2 inches (135 cm)
ROPS Rear tread35 inches (88 cm)
Ground clearance13.8 inches (35 cm)
Electrical
Groundnegative
Battery volts12
Mechanical
ROPSTwo-post ROPS. Cab optional with air-conditioning.
DriveFour-wheel drive
BrakesMechanical wet disc brakes
SteeringPower steering
Production
SeriesKB Kingbull Extra Series
CategorySub-Compact Utility tractor
ManufacturerKubota
Years produced2009 - 2014
Transmission
9-speed9 forward and reverse gears, dry disc clutch, three gears (1-3) in three ranges with shuttle shift
Options9-speed, 36-speed power shift
Glideshiftpower shift, 36 forward and 24 reverse gears, sequential hydraulically-shifted transmission with twelve forward gears in three ranges; tractor must be stopped and clutch used to shift ranges
Tractor hitch
Rear Type0
Power Take-off (PTO)
Engine RPM530@2600, 799@2600, 1182@2600, -662@2600
Rear PTO Type540 (1.375)