Detailed & Repainted Lima OO Gauge Class 47 47901 "Testbed" Locomotive - Boxed The Locomotive: Key Modifications & Condition: Custom Roof Detail: Repaint & Detailing: Running: Boxed: A History of the Class 47 & 47901 The Backbone of British Rail: 47901: The "Super Duff" Testbed: Class 56 Testing: Class 58 Testing: Because of its non-standard engine, it had a unique sound and distinct physical differences—most notably a modified roof, both of which set it apart from its 511 classmates.
