Shibaura SX21
The Shibaura SX21 is a tractor produced by Shibaura. It is equipped with a 58.2 ci 1.0 L engine. The listed engine power is Diesel (listed): 21 hp / 15.7 kW; Diesel (listed): 1.6 hp / 1.2 kW. Transmission: infinite forward and reverse. Operating weight: 1530 lbs 694 kg.
Engine Power
Diesel (listed): 21 hp / 15.7 kW; Diesel (listed): 1.6 hp / 1.2 kW
Fuel & Capacities
7.8 gal
29.5 L
Transmission
infinite forward and reverse
Operating Weight
1530 lbs
694 kg
Overview
 | Compact Utility tractor | Compact Utility tractor |
|---|
Production | |
|---|---|
Manufacturer | Shibaura |
Compact Utility tractor | |
Built in Matsumoto, Japan | |
Shibaura SX21 Engine | |
|---|---|
Shibaura 1.0L 3-cyl diesel | |
Fuel tank | 7.8 gal
29.5 L |
Engine details ...  | |
Shibaura SX21 Transmission | |
|---|---|
hydrostatic | |
Transmission details ...  |
Shibaura SX21 Power | |
|---|---|
Engine | 21 hp
15.7 kW |
PTO (claimed) | 16 hp
11.9 kW |
Mechanical | |
|---|---|
Four-wheel drive | |
Steering | power |
Wet disc brakes | |
Hydraulics | |
|---|---|
Type | open center |
Pressure | 1885 psi
130.0 bar |
Valves | 1 |
Pump flow | 3.75 gpm
14.2 lpm |
Steering flow | 1.85 gpm
7.0 lpm |
Tractor hitch | |
|---|---|
Rear Type | I |
Rear lift (at 24"/610mm) | 701 lbs
317 kg |
Power Take-off (PTO) | |
|---|---|
Rear PTO | live |
Rear PTO Type | 540 (1.375) |
Engine RPM | 540@2992 |
Mid PTO | standard |
Mid PTO Type | 2200 |
Engine RPM | 2200@3020 |
Dimensions & Tires | |
|---|---|
Wheelbase | 55.1 inches
139 cm |
Weight | 1530 lbs
694 kg |
Front tire | 4.00-9 |
Rear tire | 7-14 |
Full dimensions and tires ...  | |
Electrical | |
|---|---|
Ground | negative |
Charging system | alternator |
Charging amps | 40 |
Battery volts | 12 |
Engine
Engine Detail — 58.2 ci / 1.0 L Diesel
Manufacturer | Shibaura S753 |
Fuel Type | Diesel |
Configuration | 3-cylinder, liquid-cooled |
Displacement | 58.2 ci
1.0 L |
Bore/Stroke | 2.953x2.835 inches
75 x 72 mm |
Power | 21 hp
15.7 kW |
Compression | 24:1 |
Rated RPM | 3000 |
Idle RPM | 1300-3200 |
Firing order | 1-2-3 |
Starter volts | 12 |
Starter power | 1.6 hp
1.2 kW |
Oil capacity | 3.5 qts
3.3 L |
Coolant capacity | 3.7 qts
3.5 L |
Intake valve clearance | 0.008 inches
0.203 mm |
Exhaust valve clearance | 0.008 inches
0.203 mm |
Transmission
Transmission — infinite forward and reverse hydrostatic
Type | hydrostatic |
Gears | infinite forward and reverse |
Oil capacity | 13.75 qts
13.0 L |
With 26x12.00-12 rear tires. | |
 | |
Dimensions
Shibaura SX21 Tires | |
|---|---|
Ag front | 4.00-9 |
Ag rear | 7-14 |
Lawn/turf front | 18x8.50-8 |
Lawn/turf rear | 26x12.00-12 |
Dimensions | |
|---|---|
Wheelbase | 55.1 inches
139 cm |
Length | 98 inches
248 cm |
Width | 43.3 inches
109 cm |
Weight | 1530 lbs
694 kg |
Ground clearance | 9.1 inches
23 cm |
Front tread | 35.8 inches
90 cm |
Rear tread | 35.8 inches
90 cm |
Shibaura SX21 Height | |
|---|---|
Steering wheel | 50.2 inches
127 cm |
Hood | 44.5 inches
113 cm |
ROPS | 90.1 inches
228 cm |
Photos
Shibaura SX21 tractor photo
Fluids, Capacities & Working Autonomy
Standard fluid requirements, service intervals, and continuous runtime estimates for Shibaura SX21.
Engine Crankcase Oil
SAE 15W-40 (Heavy Duty Diesel)
Standard Spec: API CK-4 / CJ-4 Heavy Duty
Service Interval: 150 – 250 Hours
Transmission & Hydraulic System
UTTO (Universal Tractor Transmission Oil)
Standard Spec: ISO VG 46 / 68 (Wet Brake & Trans Compatible)
Service Interval: 600 – 1000 Hours
Engine Cooling System
50/50 Ethylene Glycol Pre-mix
Standard Spec: ASTM D6210 / Heavy-Duty OAT Antifreeze
Service Interval: 2 Years / 1500 Hours
Shibaura SX21 Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for Shibaura SX21.
Converted Equivalents:
Horsepower (HP)0 hp
Kilowatts (kW)0 kW
Metric Horsepower (PS / CV)0 PS
Direct Competitor Comparison
Compare Shibaura SX21 against same-era industry alternatives in the same horsepower class.
Current Model
Shibaura
Shibaura SX21
Engine Power:Diesel (listed): 21 hp / 15.7 kW; Diesel (listed): 1.6 hp / 1.2 kW
★ Baseline Reference
International HarvesterMarket Competitor
International Harvester D-219
Engine Power:19
Production Years:1962 - 1966
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