Gol Gumbaz Express (PT) runs with an LHB Rake and has a total of 21 coaches. It has 4 second seating unreserved coaches, 9 sleeper coaches, 4 third ac coaches, 1 second ac coach and 1 first ac cum second ac coach. The engine of the train reverses at Gadag Jn and Hubli Jn stations. The full coach composition is:
Engine--SLR--GS--GS--S9--S8--S7--S6--S5--S4--S3--S2--S1--B4--B3--B2--B1--A1--HA1--GS--GS--EOG