Compare/Kubota GB15 vs Kubota JB15X

Kubota GB15 vs Kubota JB15X

Verdict: Kubota GB15 vs Kubota JB15X

The Kubota GB15 and the Kubota JB15X are both tractors — here is how they stack up on the figures that matter. Both are rated at the same 15 hp. Kubota GB15 is the lighter machine (570 kg vs 575 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Kubota JB15X holds more fuel (14.0 L vs 12.9 L) for longer stints between fills. Kubota JB15X is the newer design (2009 vs 1997). 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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Tell us about your operation

Acreage600 acBudgetMain crop / use

Fit & specs

Kubota

Fit score

Best match

Clear

Kubota

Fit score

Best match

Clear

Rated power

15 hp

Confidence

98%

Guide price

—

Overview

Manufacturer

KubotaReference

Three gears, plus reverse, in two ranges.Reference

Steering

powerReference

—

Engine

Fuel tank

12.9 LReference

14.0 LReference

Engine

11.0 kWReference

Displacement

0.9 LReference

0.8 LReference

Bore/Stroke

72 x 74 mmReference

67 x 74 mmReference

Power

11.0 kWReference

Rated RPM

2500Reference

2600Reference

Starter

negativeReference

electricReference

Starter volts

12Reference

Fuel Type

—

dieselReference

No of Cylinders

—

3 CylinderReference

Rated engine speed

—

2,600 RPMReference

Bore and stroke

—

2.64x2.90 inchesReference

Cooling system

—

liquid-cooledReference

Transmission

Type

gearReference

—

Gears

6 forward and 2 reverseReference

Clutch

—

dry discReference

forward and reverse options

—

6F and 2RReference

Wheel Drive

—

4WDReference

PTO & Hydraulics

Rear Type

0Reference

Control

position controlReference

—

Rear PTO Type

540/1000 (1.375)Reference

967:2600Reference

Rear PTO

—

540 (1.375)Reference

Dimensions

Wheelbase

127 cmReference

Weight

570 kgReference

575 kgReference

Front tire

5.00-12Reference

Rear tire

8-18Reference

Standard tires (ag)

Front: 5.00-12. Rear: 8-18Reference

Length

204 cmReference

Width

97 cmReference

Height (ROPS)

183 cmReference

—

Ground clearance

29 cmReference

28 cmReference

Front tread

74 cmReference

Rear tread

72 to 87 cmReference

72/76 cmReference

Optional tires (ag)

—

Front: 5-12. Rear: 130/90-21Reference

Height

—

183 cmReference

Electrical

Ground

electricReference

negativeReference

Battery volts

12Reference

Variants

JB15X

—

wheeledReference

JB15X-PC

—

half-trackReference

General

Make & Model

—

KubotaReference

Rollover protective structure

—

Two-post ROPS.Reference

Capacities

Capacity

—

47.5 ciReference

Power

Max Power

—

14.8 hpReference

PTO

Rear PTO Power

—

AvailableReference

Rear PTO RPM

—

540 RPMReference

Steering & brakes

Brakes

—

wet discReference

Steering type

—

powerReference

Hydraulics

Rear Hitch category (SAE designation)

—

Category 0Reference

Dimensions & weight

Overall Height

—

183.9 cmReference

Overall Length

—

204.5 cmReference

Overall Width

—

97 cmReference

Overall weight

—

575.2 kgReference

Wheels & tyres

Rear Wheel Type

—

45,522Reference

Rear wheel tread range

—

28.4/30.3 inchesReference

Front Wheel Type

—

5.00-12Reference

Front Wheel tread range

—

74.9 cmReference

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.