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anyone know the specs on a Cub 1330? A buddy of mine just acquired one. the main thing that needs done is the rear end needs servicing. Also, can anyone tell me what rear end came in this mower from the factory?

Thanks for your help.

http://sciencing.com/cub-cadet-model-1330-specifications-7650843.html
The rear end will have numbers on it.

thanks!