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Kubota B40 vs Kubota JB14
Verdict: Kubota B40 vs Kubota JB14
The Kubota B40 and the Kubota JB14 are both tractors — here is how they stack up on the figures that matter. Both are rated at the same 14 hp. Kubota B40 is the lighter machine (550 kg vs 570 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Kubota B40 holds more fuel (17.0 L vs 14.0 L) for longer stints between fills. Kubota JB14 is the newer design (2006 vs 1988). 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
14 hp
14 hp
Confidence
98%
98%
Guide price
—
—
Overview
Manufacturer
KubotaReference
KubotaReference
liquid-cooledReference
Three gears, plus reverse, in two ranges.Reference
Steering
—
powerReference
Engine
Fuel tank
17.0 LReference
14.0 LReference
Engine
10.4 kWReference
10.7 kWReference
Displacement
0.9 LReference
0.8 LReference
Bore/Stroke
72 x 70 mmReference
67 x 74 mmReference
Power
10.4 kWReference
10.7 kWReference
Rated RPM
2600Reference
2600Reference
Starter
electricReference
electricReference
Starter volts
12Reference
12Reference
Transmission
Type
gearReference
—
Gears
6 forward and 2 reverseReference
6 forward and 2 reverseReference
Clutch
—
dry discReference
PTO & Hydraulics
Rear Type
JIS0Reference
0Reference
Rear PTO Type
540 (1.375)Reference
967:2600Reference
Engine RPM
1228@2600Reference
—
Rear PTO
—
540 (1.375)Reference
Dimensions
Wheelbase
124 cmReference
127 cmReference
Weight
550 kgReference
570 kgReference
Front tire
5.00-12Reference
5-12Reference
Rear tire
8-16Reference
8-16Reference
Standard tires (ag)
Front: 5.00-12. Rear: 8-16Reference
Front: 5-12. Rear: 8-16Reference
Length
215 cmReference
201 cmReference
Width
105 cmReference
96 cmReference
Height
124 cmReference
181 cmReference
Ground clearance
23 cmReference
26 cmReference
Front tread
76 cmReference
74 cmReference
Rear tread
81/89 cmReference
72/76 cmReference
Electrical
Ground
negativeReference
negativeReference
Battery volts
12Reference
12Reference
Variants
JB14
—
wheeledReference
JB14-PC
—
half-trackReference
JB14 Serial Numbers
Location:
—
Serial number decal on the right side of the tractor frame, above the front axle.Reference
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.