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
6851: Tri-Wheeled Tyrax - Back of the Box Builds
LEGO 6851 Tri-Wheeled Tyrax Set Parts Inventory and Instructions - LEGO Reference Guide
Lego Space Collection 4 sets 6811 6812 6851 6896 100% Complete w Instructions! | eBay
Lego 6851 Tri-Wheeled Tyrax 100% | eBay
6851 Tri Wheeled Tyrax - LEGO Sci-Fi - Eurobricks Forums
Lego space 6851 (Blacktron II) : Tri-Wheeled Tyrax - Lego(R) by Alkinoos
6851 - Back A - Back of the Box Builds
Random set of the day Tri-Wheeled Tyrax | Brickset
LEGO Set 6851-1 Tri-Wheeled Tyrax (1991 Space > Blacktron II) | Rebrickable - Build with LEGO