Towing on I-70 West of Denver
I have a 24-foot travel trailer that weighs approximately 7000 pounds fully loaded. I tow it with a 2007 Cadillac Escalade which is rated to pull 8100 pounds. I have travelled around most of the western states at altitudes up to 6500 feet with no problem at all. The most severe climb I have encountered is going eastbound up Steven's pass in western Washington where the last 2.3 miles is a 10% grade (the elevation changes from 2700 feet to 4000 feet). I am able to climb that grade at 50 mph with no problem.
I am planning a trip next year to Denver and do not know how the Escalade will perform on the climb (actually three long, 6% to 7% climbs) up to the Eisenhower Tunnel at 11,000 feet. I read on the web where I should expect a 33% loss of horsepower at 11,000 feet. I'm trying to get a feel for what to expect on the climb.
Has anyone towed a trailer of about 7000 pounds over this pass with a 1/2 ton gas-fueled truck? (Yes, I know the Escalade doesn't have the gearing of a "real" 1/2 ton truck, but I can't think of a better comparison.) What speed were you able to maintain? Did you have any engine or transmission heating problems?
I could take I-80 where the highest summit is 8500 feet or go around south thru northern New Mexico where the highest pass would be about 7500 feet; however, given that I will be coming from Arches NP, either of these options would add about 300 miles to the trip.
Any info will be appreciated.
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2011 Keystone Cougar 24RKS
2007 Cadillac Escalade
Prodigy P2 Brake Controller
Past Trailer:
Forest River R-POD RP-175
Past Tow Vehicle:
2008 Toyota Sienna
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