Historic 1956 Vintage E.R.F. Heavy Commercial Trucks Master Factory Catalogue Portfolio (Including 200 BHP Rolls-Royce Diesel Engine Section & Period Turkish Stamp) ​1956 ERF Sandbach Export Archive: ERF 44GE, 54GE, 64GA, 66 RA Tractor (200 BHP), 66 TSGA Twin Steer & 68 GA Eight-Wheeler ​Museum Grade / Complete Rolls-Royce Powered British Heavy Transport Literature for Classic Truck Archivists! ​Attention Classic British Truck Collectors, Commercial Transport Historians, and Heavy Equipment Archivists: An extraordinary, archive-quality factory literature portfolio documenting post-war heavy commercial vehicles manufactured by E.R.F. Ltd. (Sun Works, Sandbach, Cheshire, England). Official Sandbach factory print code dated July 1956 (7/56). ​Highlights of the ERF Master Portfolio: ​200 BHP Rolls-Royce Diesel Engine Feature: Dedicated technical spreads covering the Rolls-Royce Model C6NFR / C4NFR oil engines developing up to 200 B.H.P., complete with heavy chassis cutaways, dimensions, and torque curve charts. ​Comprehensive Multi-Axle & Export Model Range: Features the official "1956-7 Export Production Models" coverage including: ​Model 44GE, 54GE & 64GA: Heavy commercial chassis with Gardner oil engines and End Tipper variants. ​Model 66 RA Tractor: Six-wheeled heavy tractor unit with Rolls-Royce engine (110,000 lbs. Gross Weight). ​Model 66 TSGA: 6-Cylinder Twin Steer heavy commercial truck. ​Model 68 GA: 8-Wheeler heavy transport truck (56,800 lbs. Gross Weight). ​Proven Provenance: Features authentic period Turkish revenue/tax stamps (Motorlu Vasıtalar) pasted on the rear cover. ​Condition Report: Very Good to Fine Vintage Condition. Crisp paper, clean interior spreads with bright blue/red accent printing, sharp fold lines, 100% original July 1956 Sandbach print.