TRUE, LOCOS ARE DESIGNED TO RUN AT VARIOIUS SPEEDS, SOMETIMES CONTINUOUSLY. HOWEVER, WHEN A LOCO RATED FOR A MAXIMUM TRAILING TONNAGE (MY EXAMPLE WAS 5000, MAY OR MAY NOT BE ACCURATE) IS EXCEEDED, BY ALMOST DOUBLE THE AMOUNT IT CAN HAUL, DAMAGE WILL OCCUR.
SHORT TIME RATINGS ARE AN EXAMPLE OF THIS. IF THE LOCO PULLS 5000 TONS, BY ITSELF, AT 20 MPH AT 800 AMPS, THEN YOU CAN BELIEVE THAT THE SAME LOCO, PULLING 8000-10,000 TONS AT THE SAME SPEED WILL BE PULLING AT A MUCH HIGHER RATING. AN ENGINE WITH A 70 MPH MAX SPEED IS NOT DESIGNED, NOR INTENDED TO PULL TRAINS AROUND THE COUNTRY ALL DAY LONG, IN THE 8TH NOTCH, AT SPEEDS WELL UNDER 20 MPH. MY FIRST POST INDICATED "SOMETIMES REACHING SPEEDS OF 20 MPH". THESE TRAINS WERE PULLED TO STALL, DAILY, SEVERAL TIMES PER TRIP. THE MISSABE PULLS HEAVY TRAINS, AT LOW SPEED, BY RE-GEARING LOCOS TO A MAX OF 35 MPH, THEREBY ALLOWING SPEEDS OF 15-20 MPH TO BE RUN ALL DAY, WITH LOWER AMPERAGE READINGS. I PERSONALLY HELPED BURN-UP MORE THAN 1 LOCO, PULLING THOSE DRAGS ON THE I&O. THIS WAS DONE (AND IS STILL BEING DONE) UNDER DIRECT ORDER OF THE MIDDLE MANAGEMENT.
THE SUZY 70'S ARE BEING MECHANICALLY AND COSMETICALLY DAMAGED BY THE CURRENT LESSORS. OPERATING WITH BURNT TRACTION MOTORS (CUT-OUT, THOUGH), DEFECTIVE FILTERS, BAD WHEELS, BURNT BRUSHES, ETC., IS NOT HOW THESE LOCOS WERE EVER INTENDED TO BE RUN, CONTRARY TO WHAT YOU MIGHT BELIEVE. IF YOU WANT PICTURES OF THOSE ENGINES, I WOULD "GET 'EM NOW", AS THE CHANCES OF THEM BEING RETURNED, IN ANY CONDITION RESEMBLING A SUZY LOCO WOULD PROBABLY BE SLIM TO NONE. REGARDS