As long as you have 3DES license enabled on the ASAs , you should be able to connect VPN using 3DES algorithm.
Do a "show version" and it shall show whether 3DES/AES is enabled or not.
P.S.3DES/AES is a free license that you can get from the following:
Click on "Get other license> Crypto, IPS and Other Licenses > Security Products> "
P.S. Please rate helpful posts.
Cisco Network Security Channel - https://www.youtube.com/c/CiscoNetSec/