Truck towing question

I've recently fallen in love with the 68-71 D-Series trucks. Tryin to get one as a DD/camper/work truck. I need to be able to tow my car!

I've found it's rather difficult to get reliable stats on 40 year old trucks, so I figured the great minds here on FABO may be able to tell me!

So, anyone know the tow rating for:
D100- 318, 360, 383
D200- 318, 360, 383

Idk if the type of trans would affect the capacity but if it does I'll need that as well

Most trucks I run accross are 318s but I've seen the occasional 360 or 383 so figured I'd cover all my bases

Thanks in advance for any help!