
Shibaura SX21
Power
21 hp
Production
unknown
Engine
Diesel, 3-cylinder
Transmission
Hydrostatic
Weight
1530 lbs [694 kg]
Drive
4WD
From the same series:
Introduction
Shibaura SX21 Compact Utility Tractor
The Shibaura SX21 is a compact utility tractor manufactured in Matsumoto, Japan. Designed for versatility in property maintenance and light agricultural operations, this model integrates a 21-horsepower diesel engine within a compact frame suitable for varied terrain.
Engine and Performance
The tractor is powered by the Shibaura S753, a 3-cylinder, liquid-cooled diesel engine with a displacement of 58.2 cubic inches (1.0 L). It delivers 21 horsepower (15.7 kW) at a rated speed of 3000 RPM. The engine features a 24:1 compression ratio and utilizes a 12-volt starter system.
Transmission and Drivetrain
The SX21 is equipped with a hydrostatic transmission, providing infinite forward and reverse gears for smooth speed control without manual shifting. It features a four-wheel-drive system to enhance traction, supported by wet disc brakes for reliable stopping power and power steering for maneuverability.
Hydraulics and PTO
The hydraulic system utilizes an open-center design with a pump flow of 3.75 gpm (14.2 lpm) and a system pressure of 1885 psi (130.0 bar). The tractor is equipped with a live rear PTO (540 RPM) and a standard mid-PTO (2200 RPM), allowing for the simultaneous or independent operation of rear and mid-mounted implements.
Dimensions and Capacity
With a wheelbase of 55.1 inches (139 cm) and a total width of 43.3 inches (109 cm), the machine is designed for compact spaces. It has a ground clearance of 9.1 inches (23 cm) and a base weight of 1530 lbs (694 kg). The Category I rear hitch provides a lift capacity of 701 lbs (317 kg) measured at 24 inches behind the lift point.
Conclusion
The Shibaura SX21 is a specialized compact utility tractor suited for operators requiring a maneuverable machine for landscaping, groundskeeping, and light-duty farming tasks. Its combination of hydrostatic drive and dual PTO configuration offers consistent performance for small-scale implement work.
Production Information of Shibaura, SX21
- Compact Utility tractor
- Built in Matsumoto, Japan
| Manufacturer | Shibaura |
|---|
Dimension and Tires Information of Shibaura, SX21
| Rear tread | 35.8 inches [90 cm] |
|---|---|
| Wheelbase | 55.1 inches [139 cm] |
| Ground clearance | 9.1 inches [23 cm] |
| Weight | 1530 lbs [694 kg] |
| Length | 98 inches [248 cm] |
| Front tread | 35.8 inches [90 cm] |
| Width | 43.3 inches [109 cm] |
| Ag front | 4.00-9 |
|---|---|
| Lawn/turf rear | 26x12.00-12 |
| Ag rear | 7-14 |
| Lawn/turf front | 18x8.50-8 |
Engine Specifications of Shibaura, SX21
- Shibaura S753
- Liquid-cooled
- Diesel
- 3-cylinder
| Intake valve clearance | 0.008 inches [0.203 mm] |
|---|---|
| Coolant capacity | 3.7 qts [3.5 L] |
| Compression | 24:1 |
| Exhaust valve clearance | 0.008 inches [0.203 mm] |
| Idle RPM | 1300-3200 |
| Firing order | 1-2-3 |
| Rated RPM | 3000 |
| Displacement | 58.2 ci [1.0 L] |
| Power | 21 hp [15.7 kW] |
| Bore/Stroke | 2.953x2.835 inches [75 x 72 mm] |
| Oil capacity | 3.5 qts [3.3 L] |
| Starter power | 1.6 hp [1.2 kW] |
| Starter volts | 12 |
Transmission Information of Shibaura, SX21
Transmission variants 1
| Type | Hydrostatic |
|---|---|
| Gears | Infinite forward and reverse |
| Oil capacity | 13.75 qts [13.0 L] |
Mechanical Specs of Shibaura, SX21
- Four-wheel drive
- Wet disc brakes
| Steering | Power |
|---|
Power Information of Shibaura, SX21
| Rear PTO | Live |
|---|---|
| Mid PTO Type | 2200 |
| Mid PTO | Standard |
| Rear PTO Type | 540 (1.375) |
| Engine RPM | 2200@3020 |
| Engine RPM | 540@2992 |
Hydraulics Specifications of Shibaura, SX21
| Type | Open center |
|---|---|
| Steering flow | 1.85 gpm [7.0 lpm] |
| Pump flow | 3.75 gpm [14.2 lpm] |
| Pressure | 1885 psi [130.0 bar] |
| Valves | 1 |
Three-Point Hitch of Shibaura, SX21
| Rear Type | I |
|---|---|
| Rear lift (at 24"/610mm) | 701 lbs [317 kg] |
Electrical System of Shibaura, SX21
| Ground | Negative |
|---|---|
| Battery volts | 12 |
| Charging system | Alternator |
| Charging amps | 40 |
Where it sits
With 21 HP, the Shibaura SX21 sits just below SX24 (24 HP) in Shibaura's range.
Frequently asked questions
How much horsepower does the Shibaura SX21 have?
The Shibaura SX21 delivers 21 HP.
What years was the Shibaura SX21 produced?
The Shibaura SX21 was produced in unknown.
What engine does the Shibaura SX21 have?
The Shibaura SX21 is powered by a Diesel, 3-cylinder engine.
What transmission does the Shibaura SX21 use?
The Shibaura SX21 uses a Hydrostatic transmission.
How much does the Shibaura SX21 weigh?
The Shibaura SX21 weighs 1530 lbs [694 kg].
Is the Shibaura SX21 4WD?
The Shibaura SX21 is available in 4WD.