Compare/Shibaura S445 vs Shibaura SD4603

Shibaura S445 vs Shibaura SD4603

Verdict: Shibaura S445 vs Shibaura SD4603

The Shibaura S445 and the Shibaura SD4603 are both tractors — here is how they stack up on the figures that matter. Shibaura SD4603 leads on rated power with 46 hp against 45 hp. Shibaura SD4603 is the lighter machine (1,696 kg vs 3,516 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. In short: choose the Shibaura SD4603 for outright pulling power, or the Shibaura S445 if a tighter budget and lighter footprint matter more. Compare the full spec tables below before booking a demo.

Tune the fit score

Tell us about your operation

Acreage600 acBudgetMain crop / use

Fit & specs

Shibaura

Fit score

Best match

Clear

Shibaura

Fit score

Best match

Clear

Rated power

45 hp

46 hp

Confidence

40%

Guide price

—

Overview

Manufacturer

ShibauraReference

liquid-cooledReference

liquid-cooled inlineReference

Engine

Fuel tank

42.0 LReference

—

Engine

33.6 kWReference

34.3 kWReference

Displacement

2.3 LReference

2.1 LReference

Bore/Stroke

85 x 100 mmReference

85 x 94 mmReference

Power

33.6 kWReference

34.3 kWReference

Starter

electricReference

Starter volts

12Reference

Transmission

Gears

12 forward and reverseReference

24 forward and 8 reverseReference

Type

hydraulic shuttleReference

creeperReference

PTO & Hydraulics

Rear Type

IReference

Control

position and draft controlReference

—

Rear PTO Type

540Reference

540 (1.375)Reference

Dimensions

Wheelbase

189 cmReference

—

Weight

3516 to 3803 poundsReference

1696 kgReference

Front tire

6.00-16Reference

2WD Rear tire

13.6-28Reference

—

2WD Standard tires (ag)

Front: 6.00-16. Rear: 13.6-28Reference

—

4WD Standard tires (ag)

Front: 8.3-20. Rear: 13.6-28Reference

—

Length

348 cmReference

337 cmReference

Width

168 cmReference

152 cmReference

Height

211 cmReference

193 cmReference

2WD Weight

1594 kgReference

—

4WD Weight

1725 kgReference

—

2WD Ground clearance

37 cmReference

—

4WD Ground clearance

35 cmReference

—

2WD Front tread

121 cmReference

—

4WD Front tread

125 cmReference

—

Rear tread

133 cmReference

—

Rear tire

—

12.4/11-28Reference

Standard tires (ag)

—

Front: 6.00-16. Rear: 12.4/11-28Reference

Electrical

Ground

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.