That'll be a W56HD
Here's some info from his signiture:
1980 Toyota - 22MAR Engine, L52HD, Tripple Marlin Crawler with 2-4.70's (2.28x4.70x4.70), High Angle Drive Lines, 5.29:1 & ARBs, FJ80 High Pinion, Limited Toy/Dana60 Hybrid front, 86+ Wide Rear End, V6 3rd member, York onboard Air - Rollbar tank, Premier Power Welder, Alcan Springs.........
Man that is like a list of the least modifications done!