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Kubota KB21X

Kubota KB21X tractor
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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.
Kubota KB21XKubota KB21X specificationsKubota sub-compact tractorKB Kingbull Extra SeriesKubota D1105 engine20.7 hp tractor9-speed transmission36-speed power shifttractor dimensionstractor weight
Power20 hp
Founded2009 - 2014
ModelKB21X

Technical Specifications

Detailed specifications and technical data for Kubota KB21X

Power

Engine power:20.7 hp (15.4 kW)

Tires

Standard tires (ag):Front: 6.00-12. Rear: 9.5-20

Engine

Type:diesel
Model:Kubota D1105
Power:20.7 hp (15.4 kW)
Cooling:liquid-cooled
Starter:electric
Cylinders:3-cylinder
Rated RPM:2600
Bore/Stroke:3.07x3.09 inches (78 x 78 mm)
Displacement:68.5 ci (1.1 L)
Starter volts:12

Weight

Cab gear:1896 lbs (860 kg)
ROPS gear:1554 lbs (704 kg)
Cab Glideshift:1951 lbs (884 kg)
ROPS Glideshift:1609 lbs (729 kg)

Variants

KB21X:wheeled
KB21X-PC:half-track

Fuel tank

Cab Fuel tank:5.6 gal (21.2 L)
ROPS Fuel tank:7.1 gal (26.9 L)

Dimensions

Cab Width:47.6 inches (120 cm)
Cab Length:97.6 inches (247 cm)
ROPS Width:44.5 inches (113 cm)
Front tread:33.5 inches (85 cm)
ROPS Length:92.3 inches (234 cm)
Height (cab):77.2 inches (196 cm)
Cab Wheelbase:53.7 inches (136 cm)
Height (ROPS):74.8 inches (189 cm)
Cab Rear tread:38.2 inches (97 cm)
ROPS Wheelbase:53.2 inches (135 cm)
ROPS Rear tread:35 inches (88 cm)
Ground clearance:13.8 inches (35 cm)

Electrical

Ground:negative
Battery volts:12

Mechanical

ROPS:Two-post ROPS. Cab optional with air-conditioning.
Drive:Four-wheel drive
Brakes:Mechanical wet disc brakes
Steering:Power steering

Production

Series:KB Kingbull Extra Series
Category:Sub-Compact Utility tractor
Manufacturer:Kubota
Years produced:2009 - 2014

Transmission

9-speed:9 forward and reverse gears, dry disc clutch, three gears (1-3) in three ranges with shuttle shift
Options:9-speed, 36-speed power shift
Glideshift:power 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 Type:0

Power Take-off (PTO)

Engine RPM:530@2600, 799@2600, 1182@2600, -662@2600
Rear PTO Type:540 (1.375)

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