Shibaura ST321

Last Updated: September 2024

Overview

The Shibaura ST321 is a compact utility tractor designed for various farm and landscaping tasks. It features a 4-wheel drive system and power steering, making it easy to maneuver in tight spaces. The tractor has a 9-forward and 3-reverse gear transmission, giving operators good control over speed and power.

Under the hood, the ST321 has a Shibaura S773 diesel engine with 3 cylinders. The engine is liquid-cooled and naturally aspirated, producing 21 horsepower at 2600 RPM. While the engine's power output is below average for its class, its high RPM rating suggests it can handle lighter tasks efficiently. The tractor's compact size, with a length of 107.4 inches and a weight of 1649 pounds, makes it suitable for small to medium-sized farms or properties. It comes equipped with agricultural tires and a Category I hitch, allowing it to work with various attachments. The open center hydraulic system and ROPS (Roll-Over Protective Structure) add to its versatility and safety features.
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Key Specifications

Category: Utility

Power Output: 21 hp (15.7 kW)

Transmission: Gear

Drive Type: 4WD

Operating Weight: 1649 lb (748 kg)

Fuel Type: Diesel

Shibaura ST321 vs. Similar Tractors

Power Output

The Power Output for the Shibaura ST321 is Below Average. It is greater than 10% of similar Utility tractors in our database.

Horsepower distribution of Utility tractors

(across 4.6K+ tractors in our database)

Operating Weight

The Operating Weight for the Shibaura ST321 is Poor. It is greater than 8% of similar Utility tractors in our database.

Operating weight distribution of Utility tractors

(across 4.3K+ tractors in our database)

Engine Displacement

The Engine Displacement for the Shibaura ST321 is Poor. It is greater than 7% of similar Utility tractors in our database.

Engine displacement distribution of Utility tractors

(across 1K+ tractors in our database)

Engine Rated RPM

The Engine Rated RPM for the Shibaura ST321 is Above Average. It is greater than 77% of similar Utility tractors in our database.

Engine rated RPM distribution of Utility tractors

(across 1K+ tractors in our database)

Technical Specifications

Engine

Manufacturer
Shibaura
Model
S773
Cooling Type
Liquid-cooled
Fuel Type
Diesel
Induction Type
Naturally aspirated
Cylinders
3
Displacement
61 ci (1.0 L)
Bore
3.03 in (77.0 mm)
Stroke
2.83 in (71.9 mm)
Rated RPM
2600
Power Output
21 hp (15.7 kW)

Transmission

Type
Gear
Forward Gears
9
Reverse Gears
3

Drivetrain

Chassis
4x4 MFWD 4WD
Drive Type
4WD
Steering Type
Power