Shibaura S445
The Shibaura S445 is a tractor produced by Shibaura. It is equipped with a 138.5 ci 2.3 L engine. The listed engine power is Diesel (listed): 45 hp / 33.6 kW. Transmission: 12 forward and reverse. Operating weight: 3516 to 3803 pounds.
Engine Power
Diesel (listed): 45 hp / 33.6 kW
Fuel & Capacities
11.1 gal
42.0 L
Transmission
12 forward and reverse
Operating Weight
3516 to 3803 pounds
Overview
 | S SeriesCompact Utility tractor |
|---|---|
S Series | |
Compact Utility tractor | |
Production | |
|---|---|
Manufacturer | Shibaura |
Compact Utility tractor | |
Shibaura S445 Engine | |
|---|---|
Shibaura 2.3L 4-cyl diesel | |
Fuel tank | 11.1 gal
42.0 L |
Engine details ...  | |
Shibaura S445 Power | |
|---|---|
Engine | 45 hp
33.6 kW |
Mechanical | |
|---|---|
Two- or four-wheel drive | |
Power steering | |
Wet disc brakes | |
Open operator station. |
Tractor hitch | |
|---|---|
Rear Type | I |
Control | position and draft control |
Power Take-off (PTO) | |
|---|---|
Rear PTO Type | 540 |
Dimensions & Tires | |
|---|---|
Wheelbase | 74.8 inches
189 cm |
Weight | 3516 to 3803 pounds |
Front tire | 6.00-16 |
2WD Rear tire | 13.6-28 |
Full dimensions and tires ...  | |
Electrical | |
|---|---|
Ground | negative |
Battery volts | 12 |
References | |
|---|---|
 | |
S-Series Tractor published by Shibaura | |
U.K. Shibaura Catalog published in 1988, by BV Techno-Import |
Engine
Engine Detail — 138.5 ci / 2.3 L Diesel
Manufacturer | Shibaura T854B |
Configuration | intercooled turbocharged diesel, 4-cylinder, liquid-cooled |
Displacement | 138.5 ci
2.3 L |
Bore/Stroke | 3.35x3.94 inches
85 x 100 mm |
Power | 45 hp
33.6 kW |
Starter | electric |
Starter volts | 12 |
Transmission
Transmission options | |
|---|---|
12-speed | |
12-speed hydraulic shuttle |
Transmission — 12 forward and 4 reverse
Gears | 12 forward and 4 reverse |
Transmission — 12 forward and reverse hydraulic shuttle
Type | hydraulic shuttle |
Gears | 12 forward and reverse |
Dimensions
Shibaura S445 Tires | |
|---|---|
2WD Standard tires (ag) | Front: 6.00-16. Rear: 13.6-28 |
4WD Standard tires (ag) | Front: 8.3-20. Rear: 13.6-28 |
Dimensions | |
|---|---|
Wheelbase | 74.8 inches
189 cm |
Length | 137.2 inches
348 cm |
Width | 66.5 inches
168 cm |
Height | 83.3 inches
211 cm |
2WD Weight | 3516 lbs
1594 kg |
4WD Weight | 3803 lbs
1725 kg |
2WD Ground clearance | 14.6 inches
37 cm |
4WD Ground clearance | 14 inches
35 cm |
2WD Front tread | 48 inches
121 cm |
4WD Front tread | 49.6 inches
125 cm |
Rear tread | 52.6 inches
133 cm |
Photos
Shibaura S445 tractor photo
Recommended Implements & Sizing Guide
Engineering recommendations for Shibaura S445 based on its 45 HP power envelope and ASAE agricultural standards.
| Implement & Operation | Recommended Size | Workload Rating | Engineering Notes |
|---|---|---|---|
Moldboard PlowPrimary Tillage | 2 to 3 Bottom (14-16")2 - 3 铧 (35-40 cm) | Medium Duty | Standard utility farm tillage. |
Rotary Cutter / MowerMowing & Clearing | 6 ft (72 in)1.8 m | Medium Duty | Medium pasture clearing; rear slip-clutch recommended. |
Rotary TillerSeedbed Prep | 66 to 72 in165 - 180 cm | Medium Duty | Standard utility tiller; slip clutch protection required. |
Disc HarrowSecondary Tillage | 7 to 8 ft Tandem Disc2.1 - 2.4 m 对开双排耙 | Medium Duty | Field leveling and clod breaking behind plows. |
Hay BalerHay & Forage | Small Square Baler (14x18")小方捆打捆机 (36x46 cm) | Medium Duty | Classic 2-string baler for horse and small livestock hay. |
Sizing & Soil Condition NoteActual implement sizing varies depending on local soil conditions (heavy clay vs sandy loam), field slope, and operating speed. Heavy tillage implements may require front ballast weights and wheel weights.
Fluids, Capacities & Working Autonomy
Standard fluid requirements, service intervals, and continuous runtime estimates for Shibaura S445.
Estimated Continuous Field Runtime: 4.7 hrs
Approximately 4.7 hours of continuous field operation at ~75% rated power on a full tank (11.1 gal / 42 L).
Estimated 75% Load Fuel Burn~2.3 gal/hr (8.9 L/hr)
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 S445 Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for Shibaura S445.
Converted Equivalents:
Horsepower (HP)45 hp
Kilowatts (kW)33.6 kW
Metric Horsepower (PS / CV)45.6 PS
Direct Competitor Comparison
Compare Shibaura S445 against same-era industry alternatives in the same horsepower class.
Current Model
Shibaura
Shibaura S445
Engine Power:Diesel (listed): 45 hp / 33.6 kW
★ Baseline Reference
International HarvesterMarket Competitor
International Harvester 404
Engine Power:40.8
Production Years:1961 - 1968
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