Tires Are R4 tires much lower than ag tires?

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I am looking at the gl 4630 and 5030 with a cab and would like to be able to put it in my garage which has a 7ft high overhead door.I was wondering if any of you have done this with the R4 tires.with the ag tires the spec sheet has the 4630 at 87",and 5030 at 89.4".