From 1897 to 1899, Models 1897 were serially numbered with the Model 1893. Model 1897 serial numbers begin at serial number 31609, approximately where the 1893 model serials ended. Total production of the model 1897 reached 1,024,700, when the parts clean-up began, resulting in 2,000 more guns assembled.Serial numbers of the Model 1901 begin where the Model 1887 left off, with some over lapping from 1898 to 1901. Total production approximately 13,500 guns, including the numbers skipped.Additionally, competition from other manufacturers like Marlin with their model 336, lever action, Winchester changed over from a top eject to an angle eject.The reason for this significant changes was now, with the increased popularity of receiver mounted scopes, it was necessary as the older, top eject did not allow for a traditionally mounted scope.Winchester has revived the model 94 and currently produces an 1894 since around 2012Over the years the Winchester Model 94 was available in many different calibers, for example: the .22 magnum, .38 Special/.357 Magnum, .44 Special/.44 Magnum, .45 Colt (or .45 Long Colt), .38-40 Winchester, and .44-40 Winchester, .410 shotgun, 30-30 caliber (30 WCF), and even as large as the .450 Marlin, which the rifle was able to accept due to an extremely strong receiver.There are essentially three Models of the 62 Winchester, with several factory additions possible within those models.Production for years 1950-1952, 65-66, 67-70 and 72-75 were not kept separate for each year and were bulked together by the factory. After World War Two an additional 120,434 rifles were made from 1946 to 1949. Models 255 and 275 discontinued in 1971, models 250 and 270 discontinued in 1974. Total production for all models of the 200 series was over 1,600,000, according to Winchester.Factory records for 1949-1952 were bulked together and average production for the four years was given, as were records for 1953-1954. All figures are from the original old production records. A total of somewhat over 161,412 models 72 and 72-A were made.
The post-64 Winchester model 94 begin with serial number 2,700,000.The 1972-73 production passed 8,250 when the model was again discontinued. Not sure if this will be any help, as all information I have is sketchy, if not contradictory.The first model was the early 'pre-war 62 Model' with a plain walnut straight-grip stock, a flat shotgun-type buttplate, and a smaller ( BEFORE GOING TO STEP #2, if you want to check that your Model 62 identification is correct, click on this link OUTLINE OF FEATURES, that provides a brief outline of features associated with each major variation of the Model 62.
Guy Hubbard, a historian of Windsor, Vermont where Robbins and Lawrence made the Jennings repeater, stated in 1924 that he had been informed by principals of the company that only 1,000 Jennings and Smith Jennings rifles were made between 18 and of this number many were converted to single shots and many more were scrapped for parts.
I hope someone with an extensive 101 knowledge will jump in and clear up the confusion that I am about to relay.