possibly the oldest, most traveled rock crawler, evidence that to be extremely successful at rock crawling you don't have to spend megabucks

a lot of shifters for a lot of transmission!

see the quick connect air fittings? On the air tank / double duty roll bar... the compressor supplying the air is the air conditioning compressor. I'm surprised I've never seen or heard of anyone using that instead of some expensive aftermarket one. Obviously it's not going to overheat, or have as much risk of breaking down when you need it most as an aftermarket compressors.