LEGO 6939 Saucer Centurion. Missing two parts, thus the crane maintenance. Blast from the past and such a great build. Will be cleaned eventually. Couple more pics in comments. - 9GAG
LEGO 6939 Spyrius Saucer Centurion | BrickEconomy
LEGO System Spyrius Saucer Centurion 6939 In 1994 New Retired | eBay