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Kubota GB145 vs Kubota JB14
Verdict: Kubota GB145 vs Kubota JB14
The Kubota GB145 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 GB145 is the lighter machine (539 kg vs 570 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Kubota JB14 holds more fuel (14.0 L vs 12.9 L) for longer stints between fills. Kubota JB14 is the newer design (2006 vs 2004). 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
Three gears, plus reverse, in two ranges.Reference
Three gears, plus reverse, in two ranges.Reference
Steering
—
powerReference
Engine
Fuel tank
12.9 LReference
14.0 LReference
Engine
10.3 kWReference
10.7 kWReference
Displacement
0.7 LReference
0.8 LReference
Bore/Stroke
67 x 68 mmReference
67 x 74 mmReference
Power
10.3 kWReference
10.7 kWReference
Rated RPM
2800Reference
2600Reference
Starter
negativeReference
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
0Reference
0Reference
Control
position controlReference
—
Rear PTO Type
540/1000 (1.375)Reference
967:2600Reference
Rear PTO
—
540 (1.375)Reference
Dimensions
Wheelbase
127 cmReference
127 cmReference
Weight
539 kgReference
570 kgReference
Front tire
5-12Reference
5-12Reference
Rear tire
8-16Reference
8-16Reference
Standard tires (ag)
Front: 5-12. Rear: 8-16Reference
Front: 5-12. Rear: 8-16Reference
Length
201 cmReference
201 cmReference
Width
105 cmReference
96 cmReference
Height (ROPS)
181 cmReference
—
Ground clearance
27 cmReference
26 cmReference
Front tread
74 cmReference
74 cmReference
Rear tread
72 to 87 cmReference
72/76 cmReference
Height
—
181 cmReference
Electrical
Ground
electricReference
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.