Hi alprice - welcome to HomemadeTools.net

Here are some links to some build threads for tractor cabs:

Kubota gr2120 cab project - OrangeTractorTalks - Everything Kubota
Home made tractor cab
John Deere 455 Cab Build
Home built cab enclosure for Kubota L2600DT
HOMEMADE SNOW CAB
Home built cab for 2010 Kubota L 2800
BX-23 HOMEMADE CAB PICS
Tractor cab