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Old 08-17-2014, 11:07 PM   #15
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Slide problems

How often does it happen that a Prevost or Newell is stuck in the campground because the slide won't come in or has jammed for one reason or another?
I have never yet seen it happen, but it it another mechanical movement that must take place.
I have seen other coach brands with slides that did not make it quite all the way in, and they are driving. It must sound like they are driving in a hurricane.

Looking forward to reply's.
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Old 08-22-2014, 02:28 PM   #16
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The construction techniques of a Prevost have been described already, which answers the OP question.

Unlike a coach built "on" a Spartan, Roadmaster, Gillig, or any other rolling chassis, a Prevost chassis includes the entire shell. Those coaches built "on" a rolling chassis are just that. There is no way to achieve the engineering integrity of a Prevost with an built-on solution. Don't take this to say there is something wrong with the built-on coaches. How many of them are expected to run all day long almost every day. Look at used Entertainer coaches. In less than 10 years most have well over 500,000 miles and some over 750,000 miles.

Prevost, MCI, Van Hool and a few others are built in a similar fashion. Newell, too is built this way, although it's never been clear to me what the life expectancy of a Newell is. I would suspect far longer than most will ever drive one in a motorhome application.

As for slides, there are Prevost's with Prevost slides after about 2000, and others with other slides. I doubt there was ever a factory slide in an XL, the stainless riveted side coaches. Prevost now offers up to 4 slides in motorhome shells. Entertainers either have one or two slides. And yes, there have been Prevosts that couldn't move because of their slides. I've never heard of one that got misaligned, but motors and interlocks do fail. Until recent years, Prevost slides had locking pins and rarely, but occasionally, the pins will not fully seat. If this happens the transmission will not go into gear. If you know how, these safety interlocks can be overridden.

Where Prevost conversions differ the most is in how the non Prevost systems were engineered and installed by the converters. Some converters didn't go overboard in unnecessary automation and air driven systems. Others went nuts with these systems (air pocket doors, high pressure Headhunter toilets, air assisted awnings, and the list goes on).

Almost all Prevost conversions are totally electric. There is no propane and few systems are DC powered. As a result, most have 2 inverter/chargers, up to 8 8D house batteries, 2 engine alternators, and a host of other electrical systems.

Some Prevost conversions include Prevost's over-the-road air conditioning. This is a massive engine drive system putting out 80,000 BTUs. Right sized for an all window coach with 55+ passengers. Overkill for a MH.

All but one Prevost engine belt on my coach can be changed without tools in less than 5 minutes. Paying passengers don't want to be stranded on the side of the road.

The list of difference could go on. Hopefully, you get my point that it's a bit unfair to compare a Prevost conversion to any traditional coach.
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Old 02-05-2018, 09:02 PM   #17
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Somewhat in line with the timeframe of the post.... we built a new Prevost conversion with Liberty Coach ordering in March 2014 taking delivery in November of 2014 with a 2015 coach.

I certainly compared the Newell to the Prevost and was corrected immediately on the Prevost Community website with the difference of a 'shell vs. platform' chassis.

Prevosts are built for the seated coach/entertainer coach market. These coaches put 100,000's of thousands of miles per year. Prevosts coaches are built for service and the Prevost service centers are geared to get these coaches back on the road ASAP (time is money).

The radiators can be removed from the side and the engines can be removed from the rear or bottom of the coach. We, who buy a Prevost coach, get the benefit of this type of service and build.

You can get spoiled really quick going to a Prevost center for regular service or a minor repair. They will have you out by the end of the day for regular full service , at least that has my experience over the last three years. When you call for an appt., it is not months away, at most, it might be a week and a half. Usually, it's just a few days.

Newell's are certainly nice coaches, they are just built differently.

I wanted Prevost only slides, that way, Prevost will service them and not do the blame game if they were built by someone else. Prevost showed me the slide mechanism and it is extremely robust. They slide in and out so smoothly and I know that they are very heavy. Our coach weighs in at 55,500 lbs.

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Old 02-06-2018, 09:26 AM   #18
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One more note: My above post is mainly in reference to Prevost chassis service, anything relating to the shell, the slides, the skin/Kevlar, bay doors, locks, engine, etc.

The conversion part will need to be returned to the converter for adjustments if needed.

Mark
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Old 11-13-2018, 03:04 PM   #19
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We do not currently own a class A, but if we did I would only consider a unibody style coach for safety. Prevost builds one of the finest of these and many conversions would surpass our dreams (Featherlight is one we ogle at).

That said I consider Newell the top tier. I have seen their work firsthand and they operate at another level. Only 26 built per year, ups and downs of the industry notwithstanding. One of the only manufactures I am aware of that completely rebuilt the air-conditioner units with higher-quality valves and fittings before installing them on their coaches. But I guess that’s what you get for a $2 million price of entry.

That said we would likely end up in a pre-owned Prevost
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Old 11-13-2018, 03:42 PM   #20
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....

On edit ... if you get to drive one you will know why they are King of the Road .. they are rock solid at any speed in any wind.... even my 25 yr old coach.
25 yr old coach? That would make it a 1993....maybe a 36 yr old coach? idk...never was good at math.
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Old 11-14-2018, 05:16 AM   #21
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If Safety Is High on your List

This impacted a stopped truck at 60MPH. The truck came off a carrier.

If you drive at night, watch this video.

If you know someone considering a traditional coach, have them watch the video.

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Old 11-16-2018, 04:38 PM   #22
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This impacted a stopped truck at 60MPH. The truck came off a carrier.
WOW!

How much damage did the truck receive as a result of the impact.

Makes me feel awfully happy we bought a Prevost conversion.

Mr. Mark and Gil (ImagineIF) know of what they speak.

PS: I'll ever have to worry about our slides not retracting nor will I ever defile our coach by putting DEF in it.
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Old 11-16-2018, 05:10 PM   #23
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Quote:
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This impacted a stopped truck at 60MPH. The truck came off a carrier.

If you drive at night, watch this video.

If you know someone considering a traditional coach, have them watch the video.

Prevost coaches now have the crash avoidance system built in. I'm not sure what year they started installing these but it works well. Our dashboard would be lighting up like a Christmas Tree along with an audible alarm warning me way before I got too close to a slow/stopped vehicle. If I didn't slow down or start braking, the coach would then start 'retarding' aggressively slowing me down.

Mark
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Old 11-17-2018, 12:06 AM   #24
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25 yr old coach? That would make it a 1993....maybe a 36 yr old coach? idk...never was good at math.
This thread goes back a few years
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Old 11-18-2018, 05:52 AM   #25
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Mark,

I agree that the Prevost AWARE system is a great system. I've driven a couple of AWARE equipped coaches and done some testing of their operation.

I wonder if AWARE would have reacted to this situation. If you have a chance try running up on a car in the left lane. Do so while mainly in the right lane with only a foot of the driver's side of your coach aligned with the vehicle in the left lane.

Your results would be interesting. Too wide of a detection window would give false alarms.

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Prevost coaches now have the crash avoidance system built in. I'm not sure what year they started installing these but it works well. Our dashboard would be lighting up like a Christmas Tree along with an audible alarm warning me way before I got too close to a slow/stopped vehicle. If I didn't slow down or start braking, the coach would then start 'retarding' aggressively slowing me down.

Mark
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Old 11-18-2018, 09:05 AM   #26
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Mark,

I agree that the Prevost AWARE system is a great system. I've driven a couple of AWARE equipped coaches and done some testing of their operation.

I wonder if AWARE would have reacted to this situation. If you have a chance try running up on a car in the left lane. Do so while mainly in the right lane with only a foot of the driver's side of your coach aligned with the vehicle in the left lane.

Your results would be interesting. Too wide of a detection window would give false alarms.
Good morning Gil,

We are approaching 50,000 miles on the Liberty. I feel we have driven in most all scenarios regarding the AWARE system. That system is darn accurate.

The first light that comes on is a 'green' car symbol in the center of the dash as it detects a vehicle that we are coming up on. As we get closer, a yellow light will illuminate on the speedometer indicating what speed the car is going (if we are going 65 and the car in front is going 55, a yellow stream of lights will show from 65 down to 55). If we don't slow down, red lights will illuminate around the whole speedometer.

I have never run up on a stopped car but have had a car pull in front of me going slow from the entrance ramp on the interstate. The AWARE system lights up with full alarms and aggressive retarding.

I have no doubt that the AWARE system would have detected that vehicle. But, we generally don't drive at night. We probably have driven 3 times in the coach at dark in 4 yrs.

Safe travels,
Mark
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Old 11-19-2018, 05:19 AM   #27
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Mark,

There's no doubt in my mind that Aware is accurate, day or night. My question was I wonder how wide it's capture window is. It, by design, shouldn't and doesn't detect vehicles in the next lane. The question is will it detect something barely on your lane, like the truck was?

BTW, it's great to see you racking up the miles. Too many coaches suffer from lack of use.
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Old 11-19-2018, 08:32 AM   #28
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Mark,

There's no doubt in my mind that Aware is accurate, day or night. My question was I wonder how wide it's capture window is. It, by design, shouldn't and doesn't detect vehicles in the next lane. The question is will it detect something barely on your lane, like the truck was?

BTW, it's great to see you racking up the miles. Too many coaches suffer from lack of use.
I will test it next time I'm in the coach. I'll straddle the line a little to see if it will detect something as I come up to it.

I noticed my tow car (when driving it ) will detect a large 18 wheeler when it's in the next lane when I'm coming up to it. I will hug the left fog line when passing and I'm usually OK. It got a little frustrating when I was trying to pass and the car started to slow. I've learned now how to avoid it.

Mark
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