Shibaura SD4643
The Shibaura SD4643 is a tractor produced by Shibaura. It is equipped with a 130.2 ci 2.1 L engine. The listed engine power is Diesel (listed): 46 hp / 34.3 kW. Transmission: 24 forward and 8 reverse. Operating weight: 4151 lbs 1882 kg.
Engine Power
Diesel (listed): 46 hp / 34.3 kW
Transmission
24 forward and 8 reverse
Operating Weight
4151 lbs
1882 kg
Overview
 | 1980 - 1985
SD 3 SeriesCompact Utility tractor
SD 3 Series
Compact Utility tractor |
|---|
Production | |
|---|---|
Manufacturer | Shibaura |
Compact Utility tractor | |
Built in Matsumoto, Japan | |
Shibaura SD4643 Engine | |
|---|---|
Shibaura 2.1L 4-cyl diesel | |
Engine details ...  |
Shibaura SD4643 Power | |
|---|---|
Engine | 46 hp
34.3 kW |
Mechanical | |
|---|---|
Four-wheel drive | |
Open operator station. |
Dimensions & Tires | |
|---|---|
Weight | 4151 lbs
1882 kg |
Front tire | 8-18 |
Rear tire | 12.4/11-28 |
Full dimensions and tires ...  | |
Engine
Engine Detail — 130.2 ci / 2.1 L Diesel
Manufacturer | Shibaura LEP854AT |
Configuration | turbocharged diesel, 4-cylinder, liquid-cooled inline |
Displacement | 130.2 ci
2.1 L |
Bore/Stroke | 3.35x3.70 inches
85 x 94 mm |
Power | 46 hp
34.3 kW |
Starter | electric |
Starter volts | 12 |
Transmission
Transmission options | |
|---|---|
12-speed gear | |
24-speed creeper |
Transmission — 12 forward and 4 reverse gear
Type | gear |
Gears | 12 forward and 4 reverse |
Transmission | |
Type | creeper |
Gears | 24 forward and 8 reverse |
Dimensions
Shibaura SD4643 Tires | |
|---|---|
Standard tires (ag) | Front: 8-18. Rear: 12.4/11-28 |
Dimensions | |
|---|---|
Length | 133 inches
337 cm |
Width | 60 inches
152 cm |
Height | 78 inches
198 cm |
Weight | 4151 lbs
1882 kg |
Recommended Implements & Sizing Guide
Engineering recommendations for Shibaura SD4643 based on its 46 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 SD4643.
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 SD4643 Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for Shibaura SD4643.
Converted Equivalents:
Horsepower (HP)46 hp
Kilowatts (kW)34.3 kW
Metric Horsepower (PS / CV)46.6 PS
Direct Competitor Comparison
Compare Shibaura SD4643 against same-era industry alternatives in the same horsepower class.
Current Model
Shibaura
Shibaura SD4643
Engine Power:Diesel (listed): 46 hp / 34.3 kW
★ Baseline Reference
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