Top 10 Best 4X4 Classic off-road SUVs in History. Posted By : gearheads.org; At the time when International Harvester Scout was conceived ... Scout 800, 800A and 800B (available for only 8 months) which replaced it, were more comfortable and came with optional 4-cylinder, inline-six, and even 266ci and 304ci V8s, latter of which ...