| AB locomotives and shunters |
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| Class | Axle Formula | Number | Year in Service | Power [kW] | Tractive Effort [kN] | Max.Speed [km/h] | Traction Type | Voltage | 1st class | 2nd class | |
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Ge4/4-I | Bo'Bo' | 1 | 1994 | 1000 | 75 | E | 1500 V= | --- | --- | |
| Modern electric locomotive, nr. 1 | |||||||||||
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Xm1/2 | 1A | 1 | 1962 | 75 | 45 | DM | Diesel | --- | --- | |
| Old diesel departmental motor car nr. 89, originally built 1912 (old number 51) | |||||||||||
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Tm | B | 1 | 1969 | 67 | 63 | DM | Diesel | --- | --- | |
| Small diesel shunter (tractor) bought second-hand from WSB, nr. 91 | |||||||||||
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Tm2/2 | B | 1 | 1959 | 150 | 30 | DM | Diesel | --- | --- | |
| Diesel shunter built by O&K in Germany, nr. 97 | |||||||||||
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Tm2/2 | B | 1 | 1972 | DM | Diesel | --- | --- | |||
| Diesel shunter built by Schöma, originally 900mm gauge for Arlberg tunnel construction, nr. 98 | |||||||||||
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Xrotm2/2 | B | 1 | 1974 | 150 | 30 | DM | Diesel | --- | --- | |
| Rotary snow plow, nr. 99 | |||||||||||
AB electric motor cars
| Class | Axle Formula | Number | Year in Service | Power [kW] | Tractive Effort [kN] | Max.Speed [km/h] | Traction Type | Voltage | 1st class | 2nd class | |
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BDeh4/4 | EMU-1 | 7 | 1981 | 820 | 40/65 | E | 1500 V= | 0 | 40 | |
| Modern rack-and-adhesion EMUs used on St. Gallen-Gais-Appenzell and Gais-Altstätten Stadt, nrs. 11-17 | |||||||||||
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BDe4/4 | EMU-1 | 5 | 1986 | 820 | 75 | E | 1500 V= | 0 | 39 | |
| Modern EMUs used on Gossau-Appenzell-Wasserauen, same as CJ class BDe4/4, nrs. 41-45 (originally numbered 31-35) | |||||||||||
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BDe4/4 | EMU-1 | 2 | 1968 | 510 | 65 | E | 1500 V= | 0 | 32 | |
| Adhesion-only EMUs used as spare units on Gossau-Appenzell-Wasserauen, 46+47 | |||||||||||
AB historic stock
| Class | Axle Formula | Number | Year in Service | Power [kW] | Tractive Effort [kN] | Max.Speed [km/h] | Traction Type | Voltage | 1st class | 2nd class | |
| |
G 3/4 | 1'Ct | 1 | 1903 | 220 | 45 | S | Steam | --- | --- | |
| Steam locomotive for historic trains, nr. 14 (stored) | |||||||||||
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Te2/2 | B | 1 | 1912 | 100 | 45 | E | 1500 V= | --- | --- | |
| Historic small electric locomotive, nr. 49, rebuilt in 1955 from an electric railcar | |||||||||||
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BCFeh4/4 | EMU-1 | 1 | 1931 | 440 | 24/40 | E | 1500 V= | 6 | 39 | |
| Old rack-and-adhesion EMU nr. 5, originally 5 built (nrs. 1-5) | |||||||||||
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BCe4/4 | EMU-1 | 1 | 1933 | 450 | 65 | E | 1500 V= | 12 | 40 | |
| Historic EMU nr. 30, repainted/renumbered from ABe4/4 43 (originally nr. 30!) | |||||||||||
AB withdrawn classes
| Class | Axle Formula | Number | Year in Service | Power [kW] | Tractive Effort [kN] | Max.Speed [km/h] | Traction Type | Voltage | 1st class | 2nd class | |
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De4/4 | Bo'Bo' | 1 | 1966 | 455 | 65 | E | 1500 V= | --- | --- | |
| Motor luggage car nr. 50, rebuilt in 1988 (withdrawn 2011) | |||||||||||
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Tm2/2 | B | 1 | 1957 | 105 | 18 | DM | Diesel | --- | --- | |
| Small diesel shunter (tractor), nr. 501 (sold to German museum railway in 2009) | |||||||||||
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Xeh4/4 | Bo'Bo' | 1 | 1931 | 40 | E | 1500 V= | --- | --- | ||
| Electric departmental car, nr. 91, former ABDeh4/4 1 | |||||||||||
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CFe3/3 | EMU-1 | 1 | 1911 | 147 | 22 | E | 1500 V= | 0 | 24 | |
| Historic (former rack-and-adhesion) EMU Altstätten-Gais nr. 2 (actually owned by society AG2, still active) | |||||||||||
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ABDeh4/4 | EMU-1 | 3 | 1953 | 470 | 30/55 | E | 1500 V= | 6 | 32 | |
| Old rack-and-adhesion EMUs, nrs. 6-8 (withdrawn 2007) | |||||||||||
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ABe4/4 | EMU-1 | 3 | 1933 | 452 | 65 | E | 1500 V= | 12 | 40 | |
| Old (adhesion-only) EMUs nrs. 40-43, 43 rebuilt into historic EMU ABe4/4 30 | |||||||||||
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BCFm2/4 | DMU-1 | 1 | 1929 | 136 | 45 | DM | Diesel | 6 | 24 | |
| Old diesel motor car nr. 56, rebuilt in 1996 (owned by society AG2, restored in 2011) | |||||||||||