Anyone know what exactly an EMD D78-TR is?
How does it differ from a normal D78 traction motor?
How does it differ from a normal D78 traction motor?
Railroad Forums
D78-TR traction motor
- Discussion of Electro-Motive locomotive products and technology, past and present. Official web site can be found here: http://www.emdiesels.com/.
Moderator: GOLDEN-ARM
EMD normally uses TR in a traction motor designation to mean tapered roller bearings for the motor support bearings on the axle as opposed to the oil-lubricated plain bearings.
What would be the difference between a D78 TR and D78 BTR motor?
Also, does EMD still manufacture these?
Also, does EMD still manufacture these?
MEC407
Moderator:
Pan Am Railways — Boston & Maine/Maine Central — Delaware & Hudson
Central Maine & Quebec/Montreal, Maine & Atlantic/Bangor & Aroostook
Providence & Worcester — New England — GE Locomotives
Moderator:
Pan Am Railways — Boston & Maine/Maine Central — Delaware & Hudson
Central Maine & Quebec/Montreal, Maine & Atlantic/Bangor & Aroostook
Providence & Worcester — New England — GE Locomotives
Hello everyone,
can anyone provide technical parameters of the d77 and d78 motors, in order to compare both.
thank you in advance
can anyone provide technical parameters of the d77 and d78 motors, in order to compare both.
thank you in advance