SG the area where the numbers are stamped I've used emery cloth and sanded it to the bare metal and there are casting flaws at the edge of the flat, also look at my number two pic and you'll see the valve. When I picked up the trans there was a torque converter beside it I thought it went a vehicle but it goes to this trans
RK 55HC,ym1700, NH7610S, Ford 8N, 2N, NAA, 660, 850 x2, 541, 950, 941D, 951, 2000, 3000, 4000, 4600, 5000, 740, IH 'C' 'H', CUB, John Deere 'B', allis 'G', case VAC
i guess with this small screen, I just can't see your valve. probably don't help that the eyes aren't great and the glasses are like coke bottles.
in any event.. there were 4spds with a TC in front of them. saw them on some industrials..e tc...
( industrials and all their various variations are not my specialty.. i'm an ag model and rowcrop guy ).. whodat and rickb will be more familiar with that setup perhaps..