well George, you can always make a 567 into a turbocharged one ala GP35...

Bill Maltby Wrote:
-------------------------------------------------------
> They forgot to drop in a 645...
>
> This was done in 1955 in the 567 era.
>
> Extra 2200 South in Issue 130 says "EMD tried very
> hard to convince the Santa Fe they should
> re-engine their PA1/PB1 fleet with General Motors
> engines, and the railroad tried it out by having
> the 51, 51A and 63 re-engined with 567C engines.
> The Santa Fe found out all too quickly that they
> now had three 1750 HP locomotives rather that
> three 2000 HP locomotives, and the reduction in
> horsepower had a significant impact on their
> performance. At 5250 HP the 51-set could not
> maintain the schedules with the same trains. As a
> result no more PA1/PB1 locomotives were
> re-engined. The only way around the problem was to
> try and restrict the three units in the 51 set to
> lighter trains, or not run them together so the
> loss of horsepower had less effect. They spent a
> lot of time in California on Los Angeles - San
> Diego trains."
>
> The three units kept their GE 746 traction motors
> and the GE 5GT566 main generator.
>
> The 51C (ex 63) was retired in 1966 after a wreck.
> The other two were retired in June 1968 about the
> same time as most other PA's.