Had a
B7800,
B3200,
B2320 and
B2620 as well as many BXs and 3 different Fs. Your dealer is confused. Way confused.
I sold my F2680e and bought it back a year later and the in between buyer had the turf tires changed to bar tires thinking he could make the 2wd be more like a 4wd which didn't work which is how I got it back. I hated the bar tires for my level mowing at the rental property and on the drive ways. Turfs on my F3080s are no issue except in mud and I avoid mud. The turfs on F3080s are used on my steep hillside property. Turfs have more rubber on the road than the other tires.
I mow a ditch line at the road and keep one drive wheel on pavement and go and the front deck does lift with the hydraulic lift lever. I just doesn't go to 90 degrees with hyd lift.
Are you reading any of the other posts here on the Fs?
The F with the 4wd is the best available machine available today to do the jobs you've described, bar none. You could use 3 or 4 different machines for some specific areas that might in total be faster or safer or quicker but noting in a single machine will beat the F 4wd for your needs. If you get the 72" deck then you'll be better using the F for all mowing of larger areas than the tractor with RFM.
I mow drop off hillsides, trails thru the wooods and my yard with trees, rocks, gullies and ditches with my F. About 5 acres at home property. Did I already ask you if you've read any of the other posts us F owners have posted on this forum?
Most Fs are sold to government and large estate mowers and most dealers have never owned or used one themselves and know very little about them. Had three employees and owner tell me not to get the RFM and I insisted since I have owned about 5 different RFMs, even the ones pulled behind my tractors, and know they are the best option for several reasons. Have you read any of the other posts on this forum about the F models?