A serial number is basically a record of production of whatever is serial numbered. This number is mostly used to date equipment for parts, repairs, etc. This number can be researched and some information can sometimes be found out, such as where the equipment was shipped and the original equipment installed on the equipment.
In reference to so-called 'serial numbers' on JOHN DEERe pedal tractors, this is most likely just a stock number or part number for the entire pedal tractor. For example, to order a pedal tractor, it would be ordered by this stock number which is stamped on all similar pedal tractors and more than likely on the outside of the box the pedal tractor is packaged in.
By downloading serial numbers I assume you mean a list of years and serial numbers? And for the record, only John Deere dealers have this capability to ensure that serial numbers are not forged or altered.
I think you are missing some numbers...if you mean #7300404, then it's a 1958 tractor. If you mean #7304040, then it's a 1959 tractor. 730 Tractor Beginning Serial Numbers: 1958 7300000 1959 7303761 1960 7322075
edible bean
Serial numbers are used by the factory to keep count on total number of firearms made in any given model.
The serial numbers on the back of a watch are there for the customer to know that the watch is real. The serial numbers can be looked up at the retailers.
The way the question is written you can not determine the mean of tractors John Deer 5233 HMT, 5911 HMT, 59 mean, or its horse power that is a mean of 11. The mean of numbers is found by adding the numbers together and dividing the total by the amount of numbers you added together. An example would be the mean of 2, 4, 6, and 8 is 10.
Oil burning
Most of the numbers are the serial number.
Usually caliber and/or serial numbers.
Serial number
The term John Deere 40 means the particular model, you can always search terms to know. or ask your friend of someone is knows well with those kind of brand.
It can be part of the sn, it can mean experimental, it can mean duplicate.