Truck slant 6 np435 bellshousing

I have a 65D100 /6 hyd clutch 3 speed. Would that be it? It might be next year till I get around to pulling it (have BB mts/bell/4 sp (435? & a 440 going in). If you think this might be it at least I will take some pics underneath if that will help you. RR

SAM_0824.JPG

SAM_0822-002.JPG

SAM_0819.JPG