The V seems to indicate a 1952 4000, 5000, or 6000 series truck. 16000 GVW should mean a 2-ton 6000 series. 20 should mean the Los Angeles factory. There should be another letter for the month. Maybe this link will help
52 Chevy . If not look at the other Chevy manuals online at that site. What kind of door handles does it have? Does it have vent windows in the doors? Pull down outside handles with vents are unique to 51. Push button door handle started in 52 thru 66. Give us some more clues and maybe we can help you figure it out. What does the title say?
