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| [[The Fifty Fund]] || || || Support organisation for Class 50 Alliance.
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| [[Somerset & Dorset Loco Company]] || [[BR Class 20 20177|20177]] || || In June 2017 the Company's locomotives were described as "operational, although no longer used by the SVR" and in September 2017 the Chinnor and Princes Risborough Railway announced then-SVR residents [[BR Class 20 D8059|D8059]] and [[BR Class 20 D8188|D8188]] had joined their fleet. 20177 is retained for spares.
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| [[50031 Consortium Limited]] || [[BR Class 50 50031 Hood|50031 Hood]] || ||
