CH-47D fire fighting

How big a bambi bucket is this?
Several years ago I had the pleasure of training
with Columbia Helicopters on their Boeing 234s which
I think are the civilian versions of the CH-47.
Back then we were trained using a 3000 gallon
bambi bucket.
We also got to work with their Boeing Vertol 107-II
(CH-46) which used an 1100 gallon bucket.
I will tell you from painfull experiance that you do not
want to be anywhere near the area when either of these
birds make a drop...