1. The pin that attaches the loader lift cylinder to the loader frame on the right side (not the pin by the axle housing but rather the one closer towards the front of the tractor.)
~~This is actually a bushing and a bolt. The bushing is Y 1814 C (it's a 1-1/8"x2-3/8" with a bore to pass a 3/4" bolt). The bolt is a 3/4"x4", with nut and lock washer, high-strength grade (probably a Gr.5, but Gr.8 would also do).
2. The cast piece that is held to end of the ram with a roll pin and attaches to the pin mentioned above.
~~End, Rod, cylinder, with grease fitting is P/N J 19757 C
I could not find either part listed on JDParts.com, but they may be subbed. They shouldn't be too difficult to fab.
70D // 855