Embed

Paste on your site — shows live UK/US specs and links back here. Free to use.

<iframe src="https://farmfleetspecs.com/embed/kubota-kb21x" width="100%" height="430" loading="lazy" style="border:1px solid #e6e8e4;border-radius:14px;max-width:560px" title="Kubota KB21X specs — FarmFleetSpecs"></iframe>

Tractor · 2009Unverified

Kubota KB21X

Name: Kubota KB21X
Brand: Kubota

Kubota KB21X — KB Kingbull Extra Series · 21 hp. Reference specifications; pending source verification.

The Kubota KB21X is a tractor with a power output of approximately 21 hp, positioning it within the lighter end of its class. It was manufactured from 2009 to 2014. The model features a 3-cylinder diesel liquid-cooled engine and four-wheel drive with a powershift transmission. It has a listed operating weight of 1554 to 1951 pounds and is suitable for operations covering up to 200 acres.

Provisional listing — the headline figure is shown; full specifications are auto-generated and pending verification against published sources.

Rated power

21 hp

Max power

20.7 hp

Weight

1554 to 1951 pounds

Catalogue coverage

Variants represented

Richest spec table

88 rows

Recorded power

21 hp

Transmissions

9-speed

Production years

2009-2014

Verified variants

1 linked source document displayed

Hover a source tag to verify

Overview

ManufacturerKubotaReference

Sub-Compact Utility tractorReference

Four-wheel driveReference

Power steeringReference

Mechanical wet disc brakesReference

Two-post ROPS. Cab optional with air-conditioning.Reference

Variants

KB21XwheeledReference

KB21X-PChalf-trackReference

Engine

Kubota 1.1L 3-cyl dieselReference

ROPS Fuel tank26.9 LReference

Cab Fuel tank21.2 LReference

Engine15.4 kWReference

Kubota D1105Reference

dieselReference

3-cylinderReference

liquid-cooledReference

Displacement1.1 LReference

Bore/Stroke78 x 78 mmReference

Power15.4 kWReference

Rated RPM2600Reference

StarterelectricReference

Starter volts12Reference

Fuel TypedieselReference

No of Cylinders3 cylinderReference

Rated engine speed2,600 RPMReference

Bore and stroke3.07x3.09 inchesReference

Cooling systemliquid-cooledReference

Transmission

9-speedReference

36-speed power shiftReference

ROPS gear704 kgReference

Cab gear860 kgReference

Gears9 forward and reverseReference

Clutchdry discReference

Three gears (1-3) in three ranges with shuttle shift.Reference

TransmissionGlideshiftReference

Typepower shiftReference

Gears36 forward and 24 reverseReference

Sequential hydraulically-shifted transmission. Twelve forward gears with three ranges. Tractor must be stopped, and clutch used, to shift ranges.Reference

Transmission TypePowershiftReference

forward and reverse options9 F and 9 R | Power Shift : 36 F and 24 RReference

Wheel Drive4WDReference

PTO & Hydraulics

Rear Type0Reference

Rear PTO Type540 (1.375)Reference

Engine RPM530@2600Reference

Engine RPM799@2600Reference

Engine RPM1182@2600Reference

Engine RPM-662@2600Reference

Dimensions

ROPS Wheelbase135 cmReference

Cab Wheelbase136 cmReference

Weight1554 to 1951 poundsReference

Front tire6.00-12Reference

Rear tire9.5-20Reference

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

ROPS Length234 cmReference

Cab Length247 cmReference

ROPS Width113 cmReference

Cab Width120 cmReference

Height (ROPS)189 cmReference

Height (cab)196 cmReference

Ground clearance35 cmReference

Front tread85 cmReference

ROPS Rear tread88 cmReference

Cab Rear tread97 cmReference

ROPS Glideshift729 kgReference

Cab Glideshift884 kgReference

Electrical

GroundnegativeReference

Battery volts12Reference

General

Make & ModelKubotaReference

Rollover protective structureTwo-post ROPS.Reference

Capacities

Capacity68.5 ciReference

Fuel tank26.9 LReference

Power

Max Power20.7 hpReference

PTO

Rear PTO RPM540 RPMReference

Engine Speed on Rear PTO speed1,182@2,600 RPMReference

Steering & brakes

Brakesmechanical wet discReference

Steering typepowerReference

Hydraulics

Rear Hitch category (SAE designation)Category 0Reference

Dimensions & weight

Wheelbase136.4 cmReference

Height Over Cab196.1 cmReference

Height Over ROPS190 cmReference

Overall Length247.9 cmReference

Overall Width120.9 cmReference

Overall weight704.9 kgReference

Wheels & tyres

Rear Wheel TypeAg: 9.5-20Reference

Rear wheel tread range97 cmReference

Front Wheel TypeAg: 6.00-12Reference

Front Wheel tread range85.1 cmReference

Operator station

Cab AvailabilityAvailableReference

Values normalized to UK metric units. Every figure is traced to at least one source; verified specs are cross-checked against two or more.

Partner tool · Free

Working out if you can afford this tractor?

YourIncomeCalculator.com — free, HMRC-aligned take-home pay, self-employment & VAT calculators. No sign-up.

Calculate your take-home pay

Recommended kit

Handy kit for owners

Popular tractor and farm accessories owners pick up for machines like this.

Disclosure: some links on this page are affiliate links. If you buy through them we may earn a small commission — at no extra cost to you. Learn more.