Compare/Kubota GB20 vs Kubota KB20

Kubota GB20 vs Kubota KB20

Verdict: Kubota GB20 vs Kubota KB20

The Kubota GB20 and the Kubota KB20 are both tractors — here is how they stack up on the figures that matter. Both are rated at the same 20 hp. Kubota GB20 is the lighter machine (1,543 kg vs 1,554 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Kubota KB20 holds more fuel (26.9 L vs 20.1 L) for longer stints between fills. Kubota KB20 is the newer design (2005 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.

Tune the fit score

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

20 hp

Confidence

98%

Guide price

—

Overview

Manufacturer

KubotaReference

Six forward and three reverse gears in three ranges.Reference

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

Variants

GB20F

GlideshiftReference

—

Engine

Fuel tank

20.1 LReference

—

Engine

14.7 kWReference

Displacement

1.1 LReference

Bore/Stroke

78 x 78 mmReference

Power

14.7 kWReference

Rated RPM

2600Reference

Starter

negativeReference

electricReference

Starter volts

12Reference

ROPS Fuel tank

—

26.9 LReference

Cab Fuel tank

—

21.2 LReference

Transmission

Gear Weight

699 kgReference

—

Type

gearReference

power shiftReference

Gears

18 forward and 9 reverseReference

36 forward and 24 reverseReference

Transmission

GlideshiftReference

ROPS gear

—

704 kgReference

Cab gear

—

860 kgReference

Clutch

—

dry discReference

PTO & Hydraulics

Rear Type

0Reference

Control

position controlReference

—

Rear PTO Type

451/769/1207 (1.375)Reference

540 (1.375)Reference

Engine RPM

—

-662@2600Reference

Dimensions

Wheelbase

135 cmReference

—

Weight

1543 to 1587 poundsReference

1554 to 1951 poundsReference

Front tire

6.00-12Reference

Rear tire

8.3-22Reference

9.5-20Reference

Standard tires (ag)

Front: 6.00-12. Rear: 8.3-22Reference

Front: 6.00-12. Rear: 9.5-20Reference

Length

234 cmReference

—

Width

104 cmReference

—

Height (ROPS)

187 cmReference

189 cmReference

Glideshift Weight

719 kgReference

—

Ground clearance

33 cmReference

35 cmReference

Front tread

84 cmReference

Rear tread

81/89 cmReference

—

ROPS Wheelbase

—

135 cmReference

Cab Wheelbase

—

136 cmReference

ROPS Length

—

234 cmReference

Cab Length

—

247 cmReference

ROPS Width

—

107 cmReference

Cab Width

—

119 cmReference

Height (cab)

—

196 cmReference

ROPS Rear tread

—

87 cmReference

Cab Rear tread

—

94 cmReference

ROPS Glideshift

—

729 kgReference

Cab Glideshift

—

884 kgReference

GB20 Serial Number Location

Electrical

Ground

electricReference

negativeReference

Battery volts

12Reference

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.