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Old 05-14-2017, 05:56 PM   #1
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Travelling speeds with 154bh (16ft.)

Hello!
I've always thought the max speed was "55mph for autos with trailers" [in California] but have not only seen people traveling much faster but have had people online say they are perfectly fine/safe travelling 70-75mph in their states.

Is it unreasonable to assume I'm safe doing 75mph with my F150 raptor pulling my small 2900lb. jayco?

Thanks!
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Old 05-14-2017, 06:02 PM   #2
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The scrawny ass tires aren't rated to go over 65. You probably "could" go 75 but if you sustain that speed for a long period of time the heat generated could cause tire failure.


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Old 05-14-2017, 06:19 PM   #3
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The scrawny ass tires aren't rated to go over 65. You probably "could" go 75 but if you sustain that speed for a long period of time the heat generated could cause tire failure.


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I should mention I have the baja edition, so the tires are actually quite beefy.
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Old 05-14-2017, 06:24 PM   #4
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Anything over 65 towing anything is just dangerous. Big difference in stopping distance between 75 mph and 65 mph. Plus beefy trailer tires or not most and I say most not all are rated for 65 mph max


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Old 05-15-2017, 04:05 AM   #5
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1st things 1st. Find out what brand tire you have and determine what speed rating they have. It only in the last couple of years that some tire brands have increased the speed ratings of their tires above 65 mph.

Do you really want to be pulling a trailer at 75 mph, even if the tires are rated for that speed? The faster you pull the trailer, the smaller the error of margin should something go south on you.

Quote:
Originally Posted by armyturtle View Post
Hello!
I've always thought the max speed was "55mph for autos with trailers" [in California] but have not only seen people traveling much faster but have had people online say they are perfectly fine/safe travelling 70-75mph in their states.

Is it unreasonable to assume I'm safe doing 75mph with my F150 raptor pulling my small 2900lb. jayco?

Thanks!
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Old 05-15-2017, 05:59 AM   #6
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Speed Kills especially towing a long box behind a short truck. I know this is a generalized statement but having investigated accidents for over 27 years speed and driver inexperience is quite often a contributing factor...
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Old 05-15-2017, 07:20 AM   #7
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If you have ST tires they will be rated 65 mph max. The speed rating is molded into the sidewall.
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Old 05-15-2017, 08:32 AM   #8
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If you have ST tires they will be rated 65 mph max. The speed rating is molded into the sidewall.
What he said about ST tires. X2.

Roger
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Old 05-15-2017, 08:58 AM   #9
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If you have ST tires they will be rated 65 mph max. The speed rating is molded into the sidewall.
Depends, if there is no rating, then yes it is 65mph, but some newer tires now have an actual speed on them, I just got new Carlisle Trail HD and they are rated at 83mph on the sidewall.
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Old 05-15-2017, 09:00 AM   #10
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If you are going to go over 65 would you post a note to give us all a heads up as to where you'll be - thanks.
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Old 05-15-2017, 09:26 AM   #11
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My Taskmaster tires are rated for 80 but I never tow over 60. I like a nice leisurely drive.
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Old 05-15-2017, 09:34 AM   #12
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My Taskmaster tires are rated for 80 but I never tow over 60. I like a nice leisurely drive.
Are your Taskmaster tires 205/75/14 D and are they D rated?
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Old 05-15-2017, 09:34 AM   #13
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My Taskmaster tires are rated for 80 but I never tow over 60. I like a nice leisurely drive.
I agree! Arriving alive has always been pretty high on my list too.
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Old 05-15-2017, 09:59 AM   #14
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Are your Taskmaster tires 205/75/14 D and are they D rated?
They are load range C, 50 PSI and speed rating M.
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Old 05-15-2017, 10:19 AM   #15
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I would concur with 65 max, although I have pushed it further, it's not safe. Getting to your destination so you can enjoy your time is most important
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Old 05-15-2017, 10:22 AM   #16
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Is it unreasonable to assume I'm safe doing 75mph with my F150 raptor pulling my small 2900lb. jayco?

Thanks!
The state-wide 55MPH limit on interstates for Semis and vehicles pulling trailers is a California oddity, though a handful of other states have lower limits (60-70MPH) for trucks than passenger cars. Is the stated rationale specifically for safety? I assumed it was a hold over from the puritanical 55MPH fuel conservation era combined with California's poor air quality concerns?

Getting back to your question, you really cannot say you are safe in an absolute sense at any speed. It's all about the level of risk you're comfortable assuming for a given level of benefit. The faster you go, the higher the risk. Exceeding the design limit of components (tires, etc.) in your setup increases the risk at a faster rate. Moving faster increases both your frequency and severity of accidents, though moving closer to the average speed of traffic decreases the frequency of accidents somewhat (more benefit the greater the discrepancy).

Generally, a 65MPH limit is considered reasonably safe for Semis and trucks pulling trailers on at least some freeways in nearly the entire country.
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Old 05-15-2017, 12:17 PM   #17
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Thanks to all the responses. 65mph was what I assumed was reasonable. I've mentioned this to others in another forum who had posted they travel 70-75 regularly without issue and they scoffed at my "ridiculousness." So it left me wondering if I was of the minority that tends to stick to 60-65mph? Perhaps I was being overly cautious?

After all of your responses here I'm relieved to know I'm doing what is best and safest.

Thank you!
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Old 05-15-2017, 03:15 PM   #18
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I agree! Arriving alive has always been pretty high on my list too.
Something about arriving alive just makes sense doesn't it
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Old 05-16-2017, 10:01 AM   #19
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"Is it unreasonable to assume I'm safe doing 75mph with my F150 raptor pulling my small 2900lb. jayco?"

Yes.
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Old 05-16-2017, 08:54 PM   #20
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Smile

A lot of the HD trucks that are made to haul can easily tow an RV exceeding the safety rating of the tires of the RV; but "just because you can, doesn't mean you should"!

Safety First!! Drive to stay alive!
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