Adoption of 135 series heavy-duty diesel engine manufactured by Shangchai for driving power,and Surirella TFW brushless or SLX phase compound excitation generator as supporting device;compact in struri,convenient to operate,stable in running,low in fuel consumption and in emission,and low in noise.All indexes are up to national standard JE/T8981-1999;also in compliance with IEC34-1 standard