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: Tri-Wheeled Tyrax (6851) for sale online | eBay
Buy 6851 Space Blacktron - Tri-Wheeled Tyrax LEGO® Toys on the Store | Auctions | Best Deals at the Lowest Price
LEGO 6851 Tri-Wheeled Tyrax Set Parts Inventory and Instructions - LEGO Reference Guide
6851 - Back A - Back of the Box Builds
LEGO Space: Tri-Wheeled Tyrax (6851) for sale online | eBay
LEGO Space: Tri-Wheeled Tyrax (6851) for sale online | eBay
Space Theme Sets - LEGO 6851 Tri-Wheeled Tyrax Vintage Blacktron Space MISB New