Neo Space Blacktron 6851 Tri-Wheeled Tyrax Squad. Only reason I could see for a tricycle would be a mounted gun on the back. Should easily be able to modify it to have
LEGO 6851 Tri-Wheeled Tyrax Set Parts Inventory and Instructions - LEGO Reference Guide
LEGO Space Blacktron 2 | Brickset
LEGO 6851 Tri-Wheeled Tyrax Set Parts Inventory and Instructions - LEGO Reference Guide
First space build in 26 years for me. Blacktron II, set 6851 from 1991. : r/ lego