| Applicable Manufacturer | Komatsu Za |
| Engine Model | 2TNE68-EN3CB |
| Equipment Type | Excavator |
| Engine Type | Vertical In-line 4-cycle Water-cooled Diesel Engine |
| Combustion Chamber | Special Swirl Engine Type |
| Air Intake System | Natural Aspiration |
| Bore | 2.7 in. |
| Stroke | 2.8 in. |
| Displacement | 31.9 cu in. |
| Rated Speed | 2200 RPM |
| Specific Fuel Consumption | <= 299 ( 220) |
| Compression Ratio | 23.5 |
| Fuel Injection Timing | Fic(air 12+2.0/-2.0 Fid 13+2.0/-2.0 |
| 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 | Flywheel Magnet Engine Type (dc12v -20a) |
| Oil Capacity | 0.4 gal. 0.2 gal. |
| Coolant Capacity | 0.2 gal. |
| Flywheel | 256ID mark XB05 |
| Oil Press Switch | 7.3 psi |
| Fuel Filter | Water Separator None |
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