TEA LUBE FRONT BEARINGS AND GREASE BOOT REPLACEMEN

My grease boots on the steering linkage are all shot, can you simply replace the boot or do you have to replace the linkage??

Thanks

Where do you mean, regarding your first question?
Re: #2 - yes you can just replace the boots. If the tie rod ends, or drag link ends I guess they are in tractor-speak, are worn, you will be able to move the steering wheel with no corresponding movement of the front wheels.
Boots can be found at Canadian Tire or I think UAP/NAPA.

Regarding #1:

The brass fitting is basically on the opposite side of the front wheel hubs . Maybe this sould be a grease fitting? The closest grease fitting is on the front axle , this grease fitting lubes the spindle assembly.

I was in your neck of the woods today, Hwy 15 from Carleton place to Smiths Falls. I was looking at a 5 foot grader blade that turns out to be made by Ferguson. It was in rough shape and was welded at the top plate, so the blade no longer rotates. It looked very heavy , I couldn't tell for sure as it was still frozen to the ground, but I would guess 200 maybe 300 pounds. Do you know if the TEA can easily handle this weigh??? If the TEA can handle it I'll buy as he only wants $75 for it.