John Deere SoundGard Cab
Late style steering with AR89199 metering pump and RE48044 steering valve.
4030 (Tractor SN 008840 -)
4230 (Tractor SN 019559 -)
4430 (Tractor SN 027365 -)
4630 (Tractor SN 010647 -)
You can upgrade to a 40 series cab and get the hydraulic suspension. You just have to plumb it into your tractor.
