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Kubota FT21 vs Kubota KB21X-PC
Verdict: Kubota FT21 vs Kubota KB21X-PC
The Kubota FT21 and the Kubota KB21X-PC are both tractors — here is how they stack up on the figures that matter. Both are rated at the same 21 hp. Kubota KB21X-PC is the lighter machine (1,940 kg vs 1,995 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Kubota FT21 holds more fuel (29.9 L vs 26.9 L) for longer stints between fills. Kubota FT21 is the newer design (2012 vs 2009). Use the full side-by-side spec tables below to weigh the details against your own operation, and confirm with a dealer demo.
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Fit & specs
Kubota
71
Fit score
Best match
Clear
Kubota
71
Fit score
Best match
Clear
Rated power
21 hp
21 hp
Confidence
98%
98%
Guide price
—
—
Overview
Manufacturer
KubotaReference
KubotaReference
Sixteen gears (10 in reverse) with three ranges. Gears may be shifted sequentially while moving, without using the clutch. Tractor must be stopped, and clutch used, to shift ranges.Reference
Sequential hydraulically-shifted transmission. Twelve forward gears with three ranges. Tractor must be stopped, and clutch used, to shift ranges.Reference
Drive
—
half-trackReference
Variants
FT21
wheeledReference
—
FT21-PC
half-trackReference
—
KB21X
—
wheeledReference
KB21X-PC
—
half-trackReference
Engine
Fuel tank
29.9 LReference
—
Engine
15.4 kWReference
15.4 kWReference
Displacement
1.5 LReference
1.1 LReference
Bore/Stroke
83 x 92 mmReference
78 x 78 mmReference
Power
15.4 kWReference
15.4 kWReference
Rated RPM
2500Reference
2600Reference
Starter
electricReference
electricReference
Starter volts
12Reference
12Reference
Fuel Type
dieselReference
—
No of Cylinders
3 CylinderReference
—
Rated engine speed
2,500 RPMReference
—
Bore and stroke
3.27x3.64 inchesReference
—
Cooling system
liquid-cooledReference
—
ROPS Fuel tank
—
26.9 LReference
Cab Fuel tank
—
21.2 LReference
Transmission
ROPS gear
904 kgReference
879 kgReference
Cab gear
1025 kgReference
1035 kgReference
Gears
48 forward and 30 reverseReference
36 forward and 24 reverseReference
Clutch
dry discReference
dry discReference
Transmission
GlideshiftReference
GlideshiftReference
Type
power shiftReference
power shiftReference
Transmission Type
PowershiftReference
—
forward and reverse options
12F and 12R |Glideshift : Powershift- 48F and 30RReference
—
Wheel Drive
4WDReference
—
PTO & Hydraulics
Rear Type
IReference
0Reference
Rear PTO Type
540 (1.375)Reference
540 (1.375)Reference
Engine RPM
-649@2500Reference
-662@2600Reference
Dimensions
Wheelbase
150 cmReference
—
Weight
1995 to 2304 poundsReference
1940 to 2304 poundsReference
Front tire
6-14Reference
7-16Reference
Rear tire
8.3-24Reference
tracksReference
Standard tires (ag)
Front: 6-14. Rear: 8.3-24Reference
—
Optional tires (ag)
Front: 6-14. Rear: 9.5-22Reference
—
Length
290 cmReference
236 cmReference
ROPS Width
117 cmReference
—
Cab Width
131 cmReference
—
Height (ROPS)
190 cmReference
197 cmReference
Height (cab)
193 cmReference
202 cmReference
Ground clearance
32 cmReference
37 cmReference
Front tread
97 cmReference
94 cmReference
Rear tread
94/106 cmReference
92 cmReference
ROPS Glideshift
924 kgReference
889 kgReference
Cab Glideshift
1045 kgReference
1045 kgReference
ROPS Wheelbase
—
135 cmReference
Cab Wheelbase
—
136 cmReference
Ag front
—
7-16Reference
Ag rear
—
330mm trackReference
Width
—
125 cmReference
Electrical
Ground
negativeReference
negativeReference
Battery volts
12Reference
12Reference
General
Make & Model
KubotaReference
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Rollover protective structure
Two-post folding ROPSReference
—
Capacities
Capacity
91.5 ciReference
—
Power
Max Power
20.7 hpReference
—
PTO
Rear PTO Power
AvailableReference
—
Rear PTO RPM
540 RPMReference
—
Engine Speed on Rear PTO speed
553@2,500 |Reference
—
Steering & brakes
Brakes
wet discReference
—
Steering type
powerReference
—
Hydraulics
Rear Hitch category (SAE designation)
Category IReference
—
Dimensions & weight
Height Over Cab
193 cmReference
—
Height Over ROPS
190.5 cmReference
—
Overall Length
290.1 cmReference
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Overall Width
131.1 cmReference
—
Overall weight
924.9 kgReference
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Wheels & tyres
Rear Wheel Type
8.3-24 agReference
—
Rear wheel tread range
37.4/42.1 inchesReference
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Front Wheel Type
6-14. agReference
—
Front Wheel tread range
97 cmReference
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Operator station
Cab Availability
AvailableReference
—
Fit score weighs budget, operation size, crop match and data confidence against the details above. It’s guidance, not advice — always confirm with a dealer demo.