All below info taken from Six Bells Junction, If visited branch (Branch visit) will be next to loco or unit!
Steam Locos
6372 8th July 1956's R.C.T.S. (London Branch) - The Wessex Wyvern
30718 14th August 1960's R.C.T.S. (London Branch) - The Greyhound Rail Tour
34050 'Royal Observer Corps' 22nd September 1962's Ian Allan - The Western Sunset
41284 (Branch visit) & 41301 (Branch visit) 27th February 1966's L.C.G.B. - The Dorset Belle Rail Tour
34013, 35030, 41295 (Branch visit) & 41320 (Branch visit) 2nd January 1967's L.C.G.B.- The Bridport Belle Rail Tour
2968 & 7325 15th November 1997's Pathfinder Tours -The Hardy Flyer
30718 14th August 1960's R.C.T.S. (London Branch) - The Greyhound Rail Tour
34050 'Royal Observer Corps' 22nd September 1962's Ian Allan - The Western Sunset
41284 (Branch visit) & 41301 (Branch visit) 27th February 1966's L.C.G.B. - The Dorset Belle Rail Tour
34013, 35030, 41295 (Branch visit) & 41320 (Branch visit) 2nd January 1967's L.C.G.B.- The Bridport Belle Rail Tour
2968 & 7325 15th November 1997's Pathfinder Tours -The Hardy Flyer
Diesel & Electric Locos
D6541 (Branch visit) 22nd January 1967's L.C.G.B. - The Bridport Belle Rail Tour
31135 & 31304 13th May 1979's Hertfordshire Railtours -The Pines Express Rerun
33113, 33118 & 40001 21st May 1983's Severn Valley Railway Association - The Wessex Whistler
33008 29th June 1985's Hertfordshire Rail Tours - The Pines Pullman
33108 29th November 1986's Branch Line Society - The Intrinsic Treacle Eater
47766 15th November 1997's Pathfinder Tours -The Hardy Flyer
37250, 73106 & 73138 2nd May 1999's Pathfinder Tours - The Way-Farer Trains
D9000 Royal Scots Grey 16th June 2001's Fragonset Charters - The Weymouth Wanderer
31135 & 31304 13th May 1979's Hertfordshire Railtours -The Pines Express Rerun
33113, 33118 & 40001 21st May 1983's Severn Valley Railway Association - The Wessex Whistler
33008 29th June 1985's Hertfordshire Rail Tours - The Pines Pullman
33108 29th November 1986's Branch Line Society - The Intrinsic Treacle Eater
47766 15th November 1997's Pathfinder Tours -The Hardy Flyer
37250, 73106 & 73138 2nd May 1999's Pathfinder Tours - The Way-Farer Trains
D9000 Royal Scots Grey 16th June 2001's Fragonset Charters - The Weymouth Wanderer
Units
1130 (Branch visit) 1st June 1974's Swanage Railway Society - Wessex Wanderer (Also worked 12:00 Bridport to Maiden Newton & 12:52 Maiden Newton to Bridport service trains as well as railtour on the same day)
202001+203001 8th August 1987's The Hastings Diesel Group / Southern Electric Group - The Hastings Diesel Swansong
202001+203001 8th August 1987's The Hastings Diesel Group / Southern Electric Group - The Hastings Diesel Swansong