Compare/Kubota B2231 vs Kubota ST-30

Kubota B2231 vs Kubota ST-30

Verdict: Kubota B2231 vs Kubota ST-30

The Kubota B2231 and the Kubota ST-30 are both tractors — here is how they stack up on the figures that matter. Both are rated at the same 23 hp. Kubota B2231 is the lighter machine (1,874 kg vs 1,962 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Kubota B2231 is the newer design (2018 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

23 hp

Confidence

98%

Guide price

—

Overview

Manufacturer

KubotaReference

liquid-cooledReference

With 9.5-22 rear tires.Reference

Differential lock

mechanical rearReference

—

Engine

Fuel tank

26.9 LReference

Engine (gross)

16.9 kWReference

—

Engine (net)

15.2 kWReference

—

Displacement

1.1 LReference

1.5 LReference

Bore/Stroke

78 x 78 mmReference

Rated Power (net)

15.2 kWReference

—

Power (gross)

16.9 kWReference

—

Air cleaner

dry elementReference

—

Rated RPM

2500Reference

2600Reference

Starter

electricReference

Starter volts

12Reference

Engine

—

21.4 kWReference

Power

—

21.4 kWReference

Transmission

Type

hydrostaticReference

Gears

infinite forward and reverse (3-range)Reference

PTO & Hydraulics

PTO (claimed)

12.5 kWReference

17.3 kWReference

Pressure

161.8 barReference

—

Total flow

32.9 lpmReference

—

Rear Type

IReference

Control

position controlReference

Rear lift (at ends)

969 kgReference

—

Rear PTO

independentReference

Rear PTO Type

540 (1.375)Reference

540/800Reference

Mid PTO

optionalReference

—

Mid PTO Type

2500 (Kubota 10-tooth #5)Reference

1720/2490Reference

Pump flow

—

21.2 lpmReference

Rear lift (at 24"/610mm)

—

830 kgReference

Dimensions

ROPS Wheelbase

150 cmReference

—

Cab Wheelbase

155 cmReference

—

Weight

1874 to 2381 poundsReference

1962 to 2475 poundsReference

ROPS Length

273 cmReference

—

Cab Length

288 cmReference

—

Width

123 cmReference

119 cmReference

Height (ROPS)

232 cmReference

229 cmReference

Height (cab)

208 cmReference

214 cmReference

ROPS Weight

850 kgReference

—

Cab Weight

1080 kgReference

—

Ground clearance

26 cmReference

23 cmReference

Front tread

83 to 97 cmReference

102 cmReference

Rear tread

98 to 108 cmReference

94 to 106 cmReference

Wheelbase

—

160 cmReference

Front tire

—

6.00-12Reference

Rear tire

—

9.5-22Reference

Standard tires (ag)

—

Front: 6.00-12. Rear: 9.5-22Reference

Lawn/turf front

—

24x8.50-14Reference

Lawn/turf rear

—

13.6-16Reference

Length

—

272 cmReference

ROPS Shipping weight

—

889 kgReference

Cab Shipping weight

—

1122 kgReference

Kubota B2231 attachments

Electrical

Ground

negativeReference

Charging system

alternatorReference

Battery volts

12Reference

Attachment overview

Speeds

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.