From what i gather from another forum is there is there is a button on the left lower rear of the mower on the transmission that has to be held to move the mower. Can be hard to locate and is in a depressed area
This link to a sister site to this forum may help
Most lawn tractors with a hydrostatic drive have a control rod that you pull on at the rear of the tractor in order to make pushing the tractor easy. The GR2100 does not have one & it can be very tough to move when it won't or you don't have it running. The manual says not to tow it, but...
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