I'm awaiting delivery of the 30" Generac snowblower and would like to have replacement belts on hand in case I run into the same belt issues also. The Gates 4LXP945 number on the belts indeed, have no apparent cross reference numbers. However, from looking at the manual for that machine, the auger belt part number is 40265, which is a 30" belt, but the belts you purchased (4L380) are 38" belts. Can you possibly shed a bit of light on that discrepancy for me? Also wondering if you've run into any other issues of concern with your machine or how you like it in general. Thanks.