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Rudge machine dating

Guide to dating using frame/engine nos– 1926 to 1939

Rudge frame & engine numbers by MODEL year. Note that MODEL years run from the end of July in the previous calendar year - e.g. A 1937 specification model could have left the factory between the 1st August 1936 and July 31st 1937.

Rudge Engine & Frame numbering 1926-1939          
  Model Frame Number from Frame Number to Engine From Engine to Gearbox from Gearbox to Notes
                 
1926 Standard 9600 18456 31500 39499      
  Sports 9600 18456 31500 39499      
                 
1927 Standard 18457 24375 39500 46000      
  Special 18457 24375 39500 46000      
  Sports 18457 24375 39500 46000      
                 
1928 Standard 24376 30939 46000 52000      
  Special 24376 30939 46000 52000      
  Sports 24376 30939 46000 52000      
  Dirt Track              
                 
1929 250 SV 30940 36641 B/S        
  250 OHV 30940 36641 POY/S        
  350cc 30940 36641 52000 57000      
  Ulster grand Prix 30940 36641 52000 57000      
  Special 30940 36641 52000 57000      
  Dirt Track              
                 
1930 250 SV 36642 42995 B/W        
  250 OHV 36642 42995 POY/W        
  350cc 36642 42995 1 5100      
  Ulster grand Prix 36642 42995 1 5100      
  Special 36642 42995 1 5100      
  Dirt Track              
                 
1931 250cc 42996 46500 1 600      
  350cc 42996 46500 1 4900      
  Ulster 42996 46500 1 4900      
  Special 42996 46500 1 4900      
  350 TT-Rep 42996 46500          
  500 TT-Rep 42996 46500          
  Dirt Track              
                 
1932 250cc 46501 49600 601 1300      
  350cc 46501 49600 4901 7400      
  Ulster 46501 49600 4901 7400      
  Special 46501 49600 4901 7400      
  250 TT-rep 46501 49600   RL60      
  350 TT-Rep 46501 49600          
  500 TT-Rep 46501 49600          
  Dirt Track              
                 
1933 250cc 49601 52195 1 700      
  350cc 49601 52195 7401 9500      
  Ulster 49601 52195 1 450      
  Silver Vase Special 49601 52195 7401 9500      
  250 TT-rep 49601 52195 RL60        
  350 TT-Rep 49601 52195          
  500 TT-Rep 49601 52195          
  Dirt Track              
                 
1934 250cc Sports 52196 53960 T1 T750      
  250cc Standard 52196 53960 T1 T750      
  Ulster 52196 53960 U1 U600      
  Special 52196 53960 S1 S1150      
                 
1935 250cc Sports 53961 55700 T751 T1050      
  250cc Tourist 53961 55700 T751 T1050      
  Ulster 53961 55700 U601 U1000      
  Special 53961 55700 S1151 S2300      
  Competition 53961 55700          
                 
1936 250cc Sports 55701 58075 T1051 T1400      
  250cc Rapid 55701 58075 A1 A600      
  Ulster 55701 58075 U1001 U1615      
  Special 55701 58075 S2300 S3100      
  Competition 55701 58075          
                 
1937 250cc Rapid 58076 61400 A601 A1250      
  Ulster 58076 61400 U1616 U2300      
  Special 58076 61400 S3100 S5000      
  Sports Special 58076 61400 S3100 S5000      
                 
1938 250cc Sports 61401 64300 Z1 Z500      
  250cc Rapid 61401 64300 A1251 A1800      
  Ulster 61401 64300 U2301 U2900      
  Special 61401 64300 S5001 S6300      
  Sports Special 61401 64300 S5001 S6300      
                 
1939 250cc Sports 64301 65745 Z501 Z750      
  250cc Rapid 64301 65745 A1801 A2200      
  WD 250cc 64533 64544 A1871 A1882     12 Produced
  Ulster 64301 65745 U2901 U3200      
  Special 64301 65745 S6301 S7100      
  Sports Special 64301 65745 S6301 S7100      

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