Tractor newbie needs advice about chains

[RedNeckRacin]

I don't think it matters what power source drives your wheels.

Well I guess I had something crossed. I always thought FWA-front wheel assist and was hydraulic and that MFWD-was mechanical front wheel drive and was shaft driven. Hhhmmmm.......

 

[Luke'sScreenName]

Bigtiller, can you please define M4WD and MFWA?