If you get the CPL, someone might be able to look up the torque and rpm rating.
It'll also tell us more about it, like if it's supposed to be naturally aspirated, intercooled, and maybe what injection pump is on it (some 4's have a non BOMB able pump, but they tend to be nat aspirated)
Weight is supposed to be close to 1000 lbs, and it shares many parts with the 6BT's of the same vintage.