OK, I admit towing the Big Sky with the RV-4 is a bit of a fanciful exaggeration. Our first GMC Duramax Diesel had that job. The RV-4 might have gotten the job done a bit faster. Over the past roughly 15 years we have driven or towed camper rigs over 60,000 miles. There was a class A pusher, a travel trailer, two fifth wheel rigs and, now, a slide in cab over camper.
