Question about diesel brakes
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โJul-20-2014 02:41 PM
Hi all. While researching new diesel coaches, I notice most just specify ABS braking systems. I assumed all had air brakes but saw the following as a feature.
Full Air Front Discs & Rear Drum Anti-Lock Brakes
Is this a good thing or bad thing to have drum brakes on the tear or is it how it is? Thanks for any insight.
Trish
2005 Mandalay 40E 400HP cummins/Freightliner in Sapphire blue.
Full Air Front Discs & Rear Drum Anti-Lock Brakes
Is this a good thing or bad thing to have drum brakes on the tear or is it how it is? Thanks for any insight.
Trish
Tricia and Tom
:B2005 Mandalay 40E 400HP cummins/Freightliner in Sapphire blue.
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โJul-20-2014 05:50 PM
Thank you for the information. I appreciate learning from you all. I wonder what my Mandalay has? (2005 Freightliner/Cummins 400hp). It stops on a dime and has an exhaust brake as well. We just didn't know if that was standard to have half air/disk and half drum, all drum or all air and what is preferable. Does anyone know what Tiffin Allegro Bus has Thanks again.
2005 Mandalay 40E 400HP cummins/Freightliner in Sapphire blue.
Tricia and Tom
:B2005 Mandalay 40E 400HP cummins/Freightliner in Sapphire blue.
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โJul-20-2014 05:38 PM
I have disc all the way around on my Foretravel. Work great and S&P great too and I am at 162824 miles.
John
2015 Born Free Royal Splendor on a Ford 550
2018 Rubicon
Boo Boo a Mi Kie
42' 36' & 34 Foretravels sold
2007 Born free 24 sold
2001 Wrangler sold
2012 Jeep Grand Cherokee Overland sold
Susie Dolly, Lolly &Doodle (CKC) now in our hearts and thoughts
2015 Born Free Royal Splendor on a Ford 550
2018 Rubicon
Boo Boo a Mi Kie
42' 36' & 34 Foretravels sold
2007 Born free 24 sold
2001 Wrangler sold
2012 Jeep Grand Cherokee Overland sold
Susie Dolly, Lolly &Doodle (CKC) now in our hearts and thoughts
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โJul-20-2014 04:44 PM
pweekly wrote:
Hi all. While researching new diesel coaches, I notice most just specify ABS braking systems. I assumed all had air brakes but saw the following as a feature.
Full Air Front Discs & Rear Drum Anti-Lock Brakes
Is this a good thing or bad thing to have drum brakes on the tear or is it how it is? Thanks for any insight.
Trish
pweekly,
Drum brakes on a diesel pusher are very common. They work outstandingly well. There's ton of square inch application area in those drums and, the mechanisms are quite dependable and stout. The primary reason most mfgs of motor homes used drums on their diesels units for so long is of course, money. If the chassis manufacturer gave the coach manufacturer a choice of drum or disc in a specific chassis, about 95% of them chose the drums to keep the price down and, still be able to supply a quality unit to the end buyer.
If a diesel coach is equipped with drums all the way around, as ours is, and, it's driven smartly and correctly, the drum brakes on it could and often do, last for way past 150,000 miles. It all depends on the drivers ability to utilize secondary braking systems like either what's called the "Exhaust brake" on about 75% of the lower end diesels or, on the heavier coaches with the larger Cu.In. diesel engines, they come with what's called a true, "Jake Brake". A "Jake" (short for Jacobs manufacturing) is an engine compression brake, utilizing the internal parts of the engine, to supply braking power for the coach.
If either of those secondary braking systems are used correctly, either primary braking system, disc or drum, is a great and very dependable system.
ABS or, Anti-Lock Braking Systems are coupled to drum or disc and or, both tied together, as in your question. When searching for a nice diesel used coach, and you find one that's really to your liking, and it is equipped with drum brakes, there's not a thing wrong with that at all. That coach's brakes will serve you for decades of time. Good luck.
Scott
Scott and Karla
SDFD RETIRED
2004 Itasca Horizon, 36GD Slate Blue 330 CAT
2011 GMC Sierra 1500 Ext Cab 4x4 Toad
2008 Caliente Red LVL II GL 1800 Goldwing
KI60ND
SDFD RETIRED
2004 Itasca Horizon, 36GD Slate Blue 330 CAT
2011 GMC Sierra 1500 Ext Cab 4x4 Toad
2008 Caliente Red LVL II GL 1800 Goldwing
KI60ND
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โJul-20-2014 02:51 PM
Our brakes are drum air brakes, and they do well, considering we do most of our braking at speed with the Jake brake. Country Coach went to front disc brakes in the late 90's, and in 2008 switched to all disc brakes. All disc brakes would be better, but I have not had any situation where our brakes were inadequate.
Peralko
USAF Retired
2000 Prevost Marathon H3-45
2006 Nissan Maxima
USAF Retired
2000 Prevost Marathon H3-45
2006 Nissan Maxima
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โJul-20-2014 02:45 PM
Many vehicles have disk front and drum rear brakes. Its an easier setup to be able to balance the braking power
presently.....Coachless!...
2002 Jeep Liberty
2016 Ford Escape
2002 Jeep Liberty
2016 Ford Escape