SOUTHERN PACIFIC ROTARY SNOW PLOW
SPMW 207 AND 209 were originally steam powered. First rotary converted to electric
power 1957. They are not self-propelled. They are usually pushed by 2 or more
SP Locomotives SD45T 2S or SD9E's. Power B unit supplies the electricity for the
4 traction motors in the rotary to turn the fan. There are no traction motors
connected to the B unit.
