| Applicable Manufacturer | Domestic Japan , General |
| Engine Model | YPU20A |
| Equipment Type | Power Unit |
| Engine Type | Vertical In-line 4-cycle Water-cooled Diesel Engine |
| Combustion Chamber | Special Swirl Engine Type |
| Air Intake System | Natural Aspiration |
| Bore | 2.9 in. |
| Stroke | 3.1 in. |
| Displacement | 61.4 cu in. |
| Rated Speed | 2800 RPM |
| Specific Fuel Consumption | <= 286 ( 210) |
| Compression Ratio | 23.0 (effective 21.0) |
| Fuel Injection Timing | Fic(air 14+1/-1 |
| Fuel Injection Pressure | 11.8 +0.98/ 0 ( 120 +10/ 0) |
| Rotation Direction | Viewed From Flywheel Side Left |
| Governor | Centrifugal All Speed Engine Type |
| Cooling System | Radiator Cooling |
| Lubricating System | Forcible Lubrication By Trochoid Pump |
| Starter | Electric Startin(starting Motor 12vdc-0.9kw) |
| Charger | Ic Regulator Built-in Engine Type (dc12v -40a) |
| Oil Capacity | 0.8 gal. 0.4 gal. |
| Coolant Capacity | 0.2 gal. |
| Flywheel | 276ID mark WC19 |
| Oil Press Switch | 7.3 psi |
| Fuel Filter | Water Separator |
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