I was going to recommend the Rittel's EZ100 HaMeR. But apparently I've been out of the business long enough for a few others to drop out also.
I discovered when trying to fetch ya some links that Rittels is no longer in business.
And McKenzie has bought out VanDykes
Whatever you decide on, dont use a brush on tan like some of the creams and pastes they have. It's junk and not intended for finished furs. But what you use is not nearly as important as how you prep the hide.