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Old 02-02-2020, 11:35 AM   #1
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Engine brake and TOAD

What happens when you use the engine brake while towing a car or truck. Iím told you shouldnít back when towing a vehicle. Can the tow vehicle put too much pressure on the hitch?
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Old 02-02-2020, 02:16 PM   #2
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As always, I could be wrong, but the way I understand it, the reason you can’t back up with a four down tow is that the front end caster on the toad doesn’t work when you’re pushing it in reverse with the tow bar. When turning, the front wheels will try to turn sideways instead of tracking in the right direction. Picture shopping cart front wheels when you pull backwards. The wheels flip around and face the opposite direction. However, the toad wheels can’t flip around. Damage to the toad steering and frame, the tow bar, and/or hitch would likely result.

This really has nothing to do with how you apply the tow vehicle brakes when going forward.
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Old 02-06-2020, 05:21 PM   #3
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Engine nrake

The brake system that Iím installing in our TOAD is triggered by the brake light signal on the trailer connector. Do the brake lights illuminate when the engine brake is engaged?
Iíd look but Beast is in the shop in Richmond.
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Old 02-06-2020, 05:27 PM   #4
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I donít have a diesel, but Iím going to bet your vehicleís brake lights do not come on unless you push on the brake pedal.....hence the term brake lights.
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Old 02-06-2020, 05:48 PM   #5
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Diesel engine brake

Thanks for your reply.
Our Berkshire XL has the Cummins 8.9. The engine brake is VERY effective. It slows the vehicle from cruise to nearly fast enough that when anticipating a stop I donít apply the air brakes until nearly stopped. Iíd like to think that Iím indicating that Iím slowing to the vehicles behind.
Am I wrong doing this?
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Old 02-06-2020, 06:02 PM   #6
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When using the exhaust brake the lights do not come on. Using the exhaust brake will have no effect on your toad if you need greater force to slow down step on the normal brake and if you have a braking system in the toad it will activate.
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Old 02-06-2020, 06:08 PM   #7
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Quote:
Originally Posted by Trappfarmer View Post
Iíd like to think that Iím indicating that Iím slowing to the vehicles behind.
Am I wrong doing this?
I'd say if someone runs into the back of your Berkey because they "didn't see any brake lights", chances are they wouldn't have seen the lights come on if they flashed on, did two circles and then shot out and rapped on their windshield!! (I realize it might be a little different at night, but still . . .)
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Old 02-06-2020, 07:24 PM   #8
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Thanks

Thanks all!
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Old 02-06-2020, 07:29 PM   #9
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Quote:
Originally Posted by GoneSouth10 View Post
I'd say if someone runs into the back of your Berkey because they "didn't see any brake lights", chances are they wouldn't have seen the lights come on if they flashed on, did two circles and then shot out and rapped on their windshield!! (I realize it might be a little different at night, but still . . .)
Once again......
Iíve told you a million times not to exaggerate.
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Old 02-06-2020, 08:34 PM   #10
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Keep in mind using the exhaust brake is no different then taking you foot off the gas pedal just slows you quicker. Plus you get the added maintenance feature of causing the turbo charger vanes to fully close keeping the carbon off them so they will function properly.
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Old 02-07-2020, 04:56 AM   #11
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On forest river and Dynamax diesel Motorhomes with engine brakes.......Yes, the brake lights come on when engaged. I learned this at the freightliner school.
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Old 02-07-2020, 05:57 AM   #12
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InvisiBrake

So that will engage my Roadmaster InvisiBrake system and therefore turn on the brake lights on the TOAD.
Question answered.
Thanks!
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Old 02-08-2020, 03:12 PM   #13
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Yes sir. Any time you step on the brake or engage the engine brake, the brake lights in the MOHO will come on and so will the TOAD a brake lights, as long as the toad is behind you that is.
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