Compare/Kubota B3030 vs Kubota GL321

Kubota B3030 vs Kubota GL321

Verdict: Kubota B3030 vs Kubota GL321

The Kubota B3030 and the Kubota GL321 are both tractors — here is how they stack up on the figures that matter. Both are rated at the same 30 hp. Kubota B3030 is the lighter machine (1,852 kg vs 2,822 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Kubota GL321 holds more fuel (35.0 L vs 30.7 L) for longer stints between fills. Kubota B3030 is the newer design (2006 vs 1996). 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

30 hp

Confidence

98%

Guide price

—

Overview

Manufacturer

KubotaReference

liquid-cooledReference

Eight power-shift gears in two ranges with shuttle.Reference

Original price

$22,516 (2011 Cab)Reference

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Final drives

spur gearReference

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Differential lock

mechanical rearReference

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Variants

B3030HSD

ROPSReference

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B3030HSDC

cabReference

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GL321

—

utilityReference

GL321E

—

narrowReference

Engine

Engine (gross)

22.4 kWReference

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Displacement

1.5 LReference

Bore/Stroke

78 x 78 mmReference

83 x 92 mmReference

Emissions

Interim Tier IVReference

—

Power (gross)

22.4 kWReference

—

Air cleaner

dual paper elementReference

—

Rated RPM

2600Reference

2800Reference

Starter

electricReference

Starter volts

12Reference

Oil capacity

15.1 LReference

—

ROPS Coolant capacity

4.4 LReference

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Cab Coolant capacity

5.2 LReference

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Fuel Type

dieselReference

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No of Cylinders

4 CylinderReference

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Rated engine speed

2,600 RPMReference

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Emissions compliance

Interim Tier IVReference

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Bore and stroke

3.071x3.087 inchesReference

—

Cooling system

liquid-cooledReference

—

Engine

—

24.3 kWReference

Power

—

24.3 kWReference

Transmission

Gears

infinite forward and reverse (3-range)Reference

16 forward and reverseReference

Transmission Type

HSTReference

—

forward and reverse options

hydrostatic - infinite (3-range)F and infinite (3-range)RReference

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Wheel Drive

4WDReference

—

Clutch

—

dry discReference

Transmission

—

U-ShiftReference

PTO & Hydraulics

PTO (claimed)

17.2 kWReference

22.1 kWReference

Hydraulic system

15.1 LReference

—

Type

hydrostaticReference

power shiftReference

Capacity

15.1 LReference

—

Rear valves

1Reference

—

Front valves

1Reference

—

Pump flow

19.7 lpmReference

23.8 lpmReference

Total flow

34.4 lpmReference

—

Steering flow

14.8 lpmReference

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Rear Type

IReference

JIS1Reference

Control

position controlReference

—

Rear lift (at ends)

970 kgReference

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Rear lift (at 24"/610mm)

760 kgReference

—

Rear PTO

independentReference

—

Rear PTO Type

540 (1.375)Reference

Engine RPM

2500@2600Reference

-783@2800Reference

Mid PTO

independentReference

—

Mid PTO Type

2500Reference

—

Rear lift

—

904 kgReference

Capacities

Fuel

30.7 LReference

—

Fuel tank

30.7 LReference

35.0 LReference

Crankcase oil volume

4.3 qtsReference

—

Dimensions

Wheelbase

166 cmReference

175 cmReference

Weight

1852 to 2271 poundsReference

2822 to 3186 poundsReference

Front tire

7-12Reference

8-16Reference

Rear tire

12.4-16Reference

13.6-24Reference

Ag front

7-12Reference

—

Ag rear

12.4-16Reference

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Lawn/turf front

24x8.50-14Reference

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Lawn/turf rear

13.6-16Reference

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Industrial front

23x8.50-14Reference

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Industrial rear

12.4-16Reference

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ROPS Length

251 cmReference

—

Cab Length

263 cmReference

—

Width

136 cmReference

145 cmReference

ROPS Weight

840 kgReference

1280 kgReference

Cab Weight

1030 kgReference

1445 kgReference

Ground clearance

37 cmReference

36 cmReference

Standard tires (ag)

—

Front: 8-16. Rear: 13.6-24Reference

Length

—

318 cmReference

Height (ROPS)

—

198 cmReference

Height (cab)

—

199 cmReference

Front tread

—

113 cmReference

Rear tread

—

110 to 157 cmReference

Kubota B3030 attachments

Electrical

Ground

negativeReference

Charging system

alternatorReference

—

Charging amps

14.5Reference

—

Battery volts

12Reference

Battery AH

36Reference

—

Attachment overview

Kubota BH76 Backhoe

Backhoe type

Kubota BH76 BackhoeReference

—

Transport height

204 cmReference

—

Digging depth

234 cmReference

—

2-Foot flat digging depth

231 cmReference

—

8-Foot flat digging depth

176 cmReference

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Reach from pivot

306 cmReference

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Loading height

163 cmReference

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General

Make & Model

KubotaReference

—

Cruise control

AvailableReference

—

Rollover protective structure

Two-post fixed ROPS. Foldable ROPS optional.Reference

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Power

Max Power

30 hpReference

—

PTO

PTO Power

23 hpReference

—

Rear PTO Power

AvailableReference

—

Rear PTO RPM

540 RPMReference

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Mid PTO RPM

2,500 RPMReference

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Engine Speed on Rear PTO speed

540@2,592 RPMReference

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Engine Speed on Mid PTO speed

2,500@2,600 RPMReference

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Steering & brakes

Brakes

Wet disc brakesReference

—

Steering type

powerReference

—

Hydraulics

Pump Rated Output (total)

9.1 gpmReference

—

Hydraulics Type

open centerReference

—

Steering & Implements flow

3.9 gpm (5.2 gpm)Reference

—

Rear Hitch category (SAE designation)

Category IReference

—

Rear Hitch maximum lift capacity

970.2 kgReference

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Dimensions & weight

Overall Length

263.9 cmReference

—

Overall Width

136.4 cmReference

—

Overall weight

840.1 kgReference

—

Wheels & tyres

Rear Wheel Type

12.4-16Reference

—

Front Wheel Type

45,485Reference

—

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.