TN ( Full form transit mixers ) carry 6 cum of concrete. However , at a few projects a special purpose TM carrying 8.5 Cum of concrete have also been seen. For road projects where small lots of concrete need to be transferred to various locations, baby TM of about 3.5 Cum have also been used.
In general the TM shall carry 6 cum of concrete which is almost 211 cft or 2.11 Brass. The weight of concrete of normal density ( 2400 Kg /Cum) in a TM shall be 14.4MT.