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Old 11-04-2014, 10:13 PM   #15
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Stretch's Avatar
Join Date: May 2004
Location: cayucos, ca
Posts: 1,206
Old scout:
You are correct. Our 03 was an isl cummins with an included Jake brake. We have had about 10 motor homes and sometimes my 76 year old brain forgets which had what equipment. I also seem to remember that with the 2000 Alpine, besides the 12 volt backup motor the master cylinder also had a hydraulic accumulator built in that was good for at least one brake application w/o the engine running. I also remember that the time my engine failed as I was going down the winding hill, as I applied the brakes I did hear the backup motor run. However the brake pedal felt different, it went nearly to the floor. So please imagine the scare, engine failed, steering hard to handle and brake pedal going near to the floor all at the same time.

We now have a coach with air disc brakes. If the engine should fail I would still have about 10 brake applications before loosing my service brakes entirely. Also my spring brake canisters on the rear axle would take over and stop the coach.

I also read where a federal agency, NTSB or ? Stated that air disc brakes were far safer than any type of drum brakes.
My intent was not to disparage Alpine coaches. They are fine driving machines. I believe the discussion was about hydraulic or air brakes. In my opinion air is by far better.

Ross Starkenburg
2017 Newmar Dutch Star 4369. Spartan chassis w/full disc brakes. 2015 Jeep Grand Cherokee toad
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Old 11-07-2014, 01:54 PM   #16
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Join Date: Aug 2010
Location: Beech Island
Posts: 174
Think about This?

What type of brakes do automobiles and pick up trucks have? Yes, hydraulic disc brakes. Now days its disc all round. They must be pretty reliable and I would say there are more mechanics that are knowledgeable on hydraulic than air brakes.

2008 34FDDS
Beech Island,SC
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chassis, brakes, air brakes, brake

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