So I bought/ordered a L4701 HST. I am having the dealer install a 3rd function on the front. I will be adding a BH in about 3 years. I'm thinking of also doing a TnT kit for the box scrape. My question is...Is the TnT and BH hydraulics 2 separate kits or is there a kit that can do either one so I'm not installing 2 kits?