The machines would have to be the same frequency and the resistance and inductance values would have to be the same or real close to the same for both the send and receive coils. Also the connector pins for the send and receive coils would need to match the pins for the other detector.
Excal 1000, Excal II, Sovereign GT, CZ-20, Tiger Shark, Tejon, GTI 1500, Surfmaster Pulse, CZ6a, DFX, AT PRO, Fisher 1235, Surf PI Pro, 1280-X, many more because I enjoy learning them. New Garrett Ca
As John stated, NO. Even though pins might look like they match, Send and receive might not be in the same pins. Coils have to be matched to each detector to operate anywhere near as they were designed.