7-6D49
![7-6D49](/upload/iblock/e7a/e7a417e44a144d87bae6cb28bd0d3d75.jpg)
Engine 7-6D49 (8ChN26/26) is an up-to-date 4-cycle diesel engine of D49 series. It is intended for replacement of obsolete engines 3АE-6D49, 3А-6D49 of shunting and industrial locomotives of series ТGМ8, ТGМ6 operated in climatic conditions T2.
While retaining the main parameters (power, design speed and tangential tractive force) the locomotive has:- lower fuel and oil consumption;
- lower exhaust toxicity;
- lower smoke;
- longer overhaul intervals and lower maintenance costs.
Locomotives of TGM6 series equipped with diesel engines 7-6D49 are operated on railways and at industrial enterprises of the Russian Federation and countries of the Union of Independent States.
Replacement of engine can be carried out on site as the work does not require special equipment.
Environmental compatibilityInstallation of diesel engines 7-6D49 in locomotives ТGМ8, ТGМ6 permitted to considerably improve locomotive characteristics (exhaust toxicity, smoke, sound pressure).
Technical characteristics
Parameter | Value |
Engine full power, kW (hp) | 588 (800) - 882 (1200) |
Engine speed, rpm | 860 |
Weight of diesel-generator, kg | 10500 |
Overall dimensions of diesel-generator (LxBxH), mm | 3370х1685х2420 |
Specific fuel consumption at full power, g/kW∙h | 201,3 - 215 |
Hourly fuel consumption at idling, kg/h | 5,7 |
Specific oil consumption at full power, g/kW∙h | 1,1 |
Top end first overhaul interval, h | 20000 |
Major overhaul interval, h | 70000 |