Ground speed is tied to tractor motion. The other posters mentioned a couple implements that are quite often used on a ground speed pto... I've even seen some seeder / spreaders used this way.. etc..Mickey_Fx said:A couple I can think of are hay rake and manure spreader.
pycoed said:My PTO has two options (plus neutral). One is 540 & the use is obvious, but the other is "Ground Speed" - what would that be used for?