The Transmission Magicians - Over 30 years of experience specialising in automatic transmissions. Does your automatic transmission show signs of (transmission technicians) need props to succeed. Marshall Transmissions have the best props - modern equipment that is vital to repair today's modern computer controlled automatic transmissions properly, where CVT, DSG, and 8 speed transmissions are now common. Marshall Transmissions have over 25 highly trained staff, experienced in using their latest electronic code readers, computer scanners, and hydraulic diagnostic testers. Marshall Transmissions are the only transmission company in the central North Island that has AA approved licensed repairer status! Marshall Transmissions are MTA members, and members of the transmission specific ATRA, and ATSG, organisations in the USA. These affiliations are an invaluable source of information, and staff are sent for training at their Expos and seminars.