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Old 03-25-2019, 08:35 AM   #1
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Highway Speed while towing

What do you feel is the best speed on average to drive while towing your RV.

I know there are mitigating factors such as weather and traffic but on a dry, light traffic highway what do you drive at?

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Old 03-25-2019, 08:44 AM   #2
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I try to maintain the speed limit +/- 2 or 3 mph. I do not want to hold up traffic and have the mess of cars and trucks changing lanes behind me to zip around. I drive in the east where the limit is 70 so I drive 68. - 72. Even at that speed it is uncomfortable having some cars and trucks zip around me.

Now out west, say Texas has speed limits at 75 to 85mph. I still would not try to tow any faster than 72 mph. Glad I don't have to worry about that, at least for the foreseeable future.

I am glad you can now buy trailer tires with a higher speed ratings than 65.

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Old 03-25-2019, 08:54 AM   #3
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With my Tundra pulling a 28' / 7800 lb. ORV Timber Ridge 62-64 mph is my "sweet spot" where if no head winds the RPM's stay at 1750. ( 9.5 mpg) But throw in some headwinds, some slight hills and I'll average 8.0 - 8.5 mpg even with slowing it down to 60 mph...I take what the road gives me....I'm retired and in no rush.
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Old 03-25-2019, 09:00 AM   #4
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On a flat interstate, 70mph gets us 1800rpm in 9th.
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Old 03-25-2019, 09:02 AM   #5
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Most of our travel is on Interstates and I set the cruise on 70 and roll on. If we are in 55 mph zones, I'll roll with traffic but stay at or under 64 mph.
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Old 03-25-2019, 09:10 AM   #6
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Never faster than the tires are rated for.
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Old 03-25-2019, 09:19 AM   #7
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62 MPH is 1450 RPM the peak of the torque curve. Except in the Republic of CA where the towing speed limit is 55 MPH where I run at 55-57. Been getting 10+MPG at this speed.
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Old 03-25-2019, 09:58 AM   #8
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Here in CA we're limited to 55mph when towing but most are doing 60mph along with me. That seems to be a good speed for the flow most times and my mileage is as good as it will get there too.
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Old 03-25-2019, 12:28 PM   #9
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In Oregon and Washington (where I tow most often) there is a difference in speed limits for cars and trucks. I tend to stay at or about +/- 2mph of the truck speed limit. I feel it will be easier to control if something like a blow out were to occur, and since I am on vacation, I am in no hurry to get anywhere.

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Old 03-25-2019, 12:33 PM   #10
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Like what was mentioned....tires dictate safe speeds......I cross the country almost every year, and tow at 64 mph....get 14.4 mpg.....and because of Calif. policies, avoid spending a dime there...
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Old 03-25-2019, 12:44 PM   #11
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Yup, CA sucks for cost and speed limits. The magic number for towing is 61 mph, above that you will get pulled over in a hot second if there are any CHP in site, which you can tell if the semi''s are going faster...
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Old 03-25-2019, 03:11 PM   #12
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Towing speed? Depends a LOT on your TT's tires. Most 'standard' ST tires on travel trailers are rated for max speed of 65 mph. There are exceptions, like the Goodyear Endurance tire. Start by checking your tire sidewalls to see what their max speed rating is.

My STs are rated at 65, so I drive at about 62-63 on interstates, etc. Get better mileage that way, too. Although my best mileage is at speeds under 55 on regular highways.

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Old 03-25-2019, 04:05 PM   #13
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On the Interstates with 70 MPH limit between 62 and 65 usually around 63.
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Old 03-25-2019, 04:47 PM   #14
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I try and go with the flow matching speed with the semi's here in Ca.

Never more than 68 for safety and ticket reasons. I can usually judge the CHP whereabouts by the semi's speed. They will go 70-75 at times, but not me. Just not comfortable at those speeds towing our fifth wheel.

Seen guys pulling fast boats across the desert going over 90. Yikes!

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