Rapidsyn Motor Question

Hi Group,

I have two Rapidsyn triple stack 23D 6306C Steppers. 3.4vdc and 2.9A
I have searched for days with no info on these, ie: torque rating
ect... on these. They are 6 wire (I assume they are Uni-polar but
not listed and not sure). They came off of a Dahlgren System 500
Engraver if that helps.

Any help from the motor guru's would be appreciated.

Alan Trest
Pensacola Florida