05-29-2017, 10:00 AM
The pneumatic wipers on my 83 are not working either. Mine are air powered Trico units. Through research on the web I believe rebuild parts, or rebuilt motors could be purchased from Rome Truck Parts, in Rome GA. I have not pulled the motors out but plan to rebuild them soon.
http://www.rometruckparts.com
http://www.rometruckparts.com
Marcus
Former caretaker of 1983 Newell, Cummins VT903, Allison 654CR