	The first eleven CBH class locomotives from batch 1 and the three locomotives from batch 2, road numbers CBH001 to CBH011 and CBH023 to CBH025, are designated as type MP27CN (27 means 2,700 hp, C means three driven axles per bogie, and N means narrow gauge). These units are equipped with a Cummins V-16 QSK60 prime mover rated at , and ride on narrow gauge bogies fitted with six GE 761 traction motors.