i saw 1 DM3500 using TransCold a/c. on sv32 today.
but whether it's 2838 or not i cannot recall.
SBS2810S and SBS2838M are the only 2 buses that has the Carrier
Transicold aircon.SBS2810S is AMDEP 21 and SBS2838M is BBDEP SP.so
of course it is SBS2838M which cameoed on 32.