Out for a test drive. Utah Railway is trying out MK's 5000 hp Caterpillar power plants in the model called a MK5000C. After being tried out and rejected by UP, SP, and BCR. MPI/MK finally found a ... (more)

Trying out their future investments. Two of the MK5000C's with 5000 horse power caterpillar engines. Are on the head end of a Utah Railway coal train ,with a couple Utah SD40's trailing.

MK5000C MPEX 9902 and SP 503 meet D&RGW 5354 in the Price River canyon. The original intention for the 5000 horse powered MK locomotives was for the three demo unit to go to Union Pacific. With th... (more)