Complex sentence: The excitation system was not allowing the two motors to share the same load-also the cooling system layout did not allow multiple locomotives to work due to the radiator heat passing from the leading 41 class loco to the trailing locos.
Split into simpler sentences: The excitation system was not allowing the two motors to share the same load. The cooling system layout did not allow multiple locomotives to work due to the radiator heat passing from the leading 41 class loco to the trailing locos.