|9622 in 2006 (Photo Aidan Stell)|
|9622 Date ? (Photo unknown source)|
There are two others similar to 7109 in existence in Brazil (works no's. 8398, 8399); they are still in use at the Amsted-Maxion Steel Works in Cruzeiro. No other double-engined Sentinels are known to remain.
January 2013: Some more video of the Cruzeiro Sentinel loco has become available with further background information kindly provided by James Waite via the Sentinel Drivers' Club.
The following video courtesy of Andreas Illert and International Steam was taken in 2009 (also on YouTube):
International Steam have a web-page describing the locos.