The 646B or 646P were computing pumps, there was no 646, they were either a B or a P. B was with ad panels, P was without ad panels.

The T646B or T646P were twin computing pumps.

647 models were non-computing pumps, both single and twin.

Jack Sim


Last edited by Jack Sim; Tue Aug 04 2009 08:32 PM.
Author, 1st & 2nd editions of Gas Pump ID book, 3rd edition is now available at www.gaspumpbible.com
Air Meter ID book also available