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 > Your search for 'cummins isb' found 48 matches.

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  Subject Author Date Posted Forum
RE: How much weight do you tow? and with how much motor?

My 38' holiday rambler endeavor is a 99 model and has the 5.9 cummins ISB 275hp. Torque is 660 ft-lb @1600 RPM's. This coach moves up the hills, no problem at all. Not towing a trailer I can hold 45mph on most 6% grades. Towing my honda CRV I will drop to about 35-40. I love it.
glamisorbust 09/19/14 11:33pm Class A Motorhomes
What are the scan Codes for the 300HP cummins ISB 2003

Anyone has the codes for the 300 HP ISB 2003? Hi, I just got my scangauge and the codes detected are 42 and 275. I have a site that list the codes for the ISB but those codes are not in. I think the codes I found are for the pre 2003 models because it list the VP44, I have the cummins common rail and no VP44 (I think!) http://www.diesel-service-parts.com/cummins-codes.html Any link? Thanks
Kidoo 09/18/14 04:38pm Class A Motorhomes
99 HR endeavor with cummins ISB fuel leak

I was returning from my week long camping trip, had a fantastic time until I got to the RV dump. I got out while I let it idle for a few minutes. I walked around to the rear of my coach and found about a half gallon or so of diesel fuel on the ground, along with the whole bottom of the coach, engine, and my trailer covered in diesel. I shut it off immediately to figure out the problem. There is a hard fuel line going from the fuel filter housing to the injection pump. It is leaking from the fitting at the banjo bolt. Also, looks like someone already had this problem before(new to me coach), and patched the line with a piece of rubber 3/8" hose and a few clamps. Now, this line needs to be replaced but there is a huge problem. The place where the line is mounted on the injection pump only leaves about 3/8" from the head of the bolt until it runs into the air compressor for the brakes, etc. I can't back the bolt out enough to get the line off, that's how tight it is. I don't know if I will have to take off the injection pump or the air compressor. Both options look like a complete pain in the neck. Has anyone had this problem with a cummins ISB 5.9? Mine is a 99 model. Any help is greatly appreciated.
glamisorbust 09/17/14 03:51pm Class A Motorhomes
RE: How much weight do you tow? and with how much motor?

Thanks for the responses. It appears most of the coaches I've been finding with the Cummins have the Cummins isb but that info it is not always initially available. It would be great to get the isl and not have to even think about it. I wouldn't say you wouldn't "have to even think about it" with the ISL. That's what I have, and in SoCal, struggle on some of the long, steep grades. That's regardless of whether or not I'm towing. Gross Vehicle on my '07 Itaska Horizon 40'' is 34K, Gross Combined is 44K. I heard someone say you should have 1 horsepower per 100 pounds of weight, so at 44K I should have 440 horsepower (and, more importantly, the corresponding torque). That sure seems right to me!
Lurker1 09/13/14 01:10pm Class A Motorhomes
RE: 2015 Winnebago Forza 34T, 340 HP enough?

Hi, we recently ordered a 2015 Winnebago Forza 34T (actual length is 35'6"), and it has the Cummins ISB 340 hp, 660 lbs torque with the Alison 2100 series six-speed transmission. It is due to arrive soon, and we are very excited that we ordered this, The main question I have is this. Is this engine going to make me happy with the power going over all these high mountain passes? With all due respect, you should have asked that question before you purchased the new motorhome. My advice is regardless of how the motorhome performs, just be happy.
DownTheAvenue 09/13/14 12:44pm Class A Motorhomes
2015 Winnebago Forza 34T, 340 HP enough?

Hi, we recently ordered a 2015 Winnebago Forza 34T (actual length is 35'6"), and it has the Cummins ISB 340 hp, 660 lbs torque with the Alison 2100 series six-speed transmission. It is due to arrive soon, and we are very excited that we ordered this, as Winnie is now including some more standard features than the (already produced) 2015 Forza's, like Auto Generator start (temp,timer,voltage), gas and elec WH, and a new tiltable and swivel TV above the fireplace. The main question I have is this. We live at 8,600 feet in Colorado, and tow a Jeep Wrangler Rubicon. Is this engine going to make me happy with the power going over all these high mountain passes? I haven't been very happy with my current gas unit with the 8.1 big block. Thanks in advance!
FrontRangeRVer 09/13/14 11:52am Class A Motorhomes
RE: How much weight do you tow? and with how much motor?

Thanks for the responses. It appears most of the coaches I've been finding with the Cummins have the Cummins isb but that info it is not always initially available. It would be great to get the isl and not have to even think about it.
lewi7722 09/13/14 08:36am Class A Motorhomes
Code reader - Check Engine - Scangage - Silverleaf or OBDII

Hi, I did some reshearh and I am a bit confuse on what I should use to read the CEL Code on my MH. Does the scangage works in and reads the codes? I also read than the Silverleaf is a good system but would not read all the codes, and from what I have been reading, an OBDII would not work on RV Diesel Engine. I have a Chech engine light comming on once in a while. I have a Cummins ISB 300 HP 2003. The light comes on especially after using the engine brake or driving in town. It never come on at steady highway speed. When the CEL comes on, the engine will surge at around plus or minus 2000 RPM and loose some power while doing so. When I step on the pedal, the surge stops and it pulls good but the light stays on. Then the light disapear after a while. Sometimes the Cel light up after I start the engine then it goes off.
Kidoo 09/11/14 04:25pm Class A Motorhomes
Running a diesel in the rain

We were caught in a torrential downpour while returning home from a trip. We were in it for about 40 minutes. The engine (Cummins ISB 340) lost power twice within several minutes. It continued running, but no response to the throttle for several seconds. The second time the dash "warning" light flickered a couple times. After we got home and things dried up, I checked for water in the primary fuel filter and saw none. Could the symptoms come from all that moisture in the air getting pulled through the air filter? Thanks,
djlind 09/07/14 06:13am Class A Motorhomes
Dead Cummins ISB/275

Looking for some help with Cummins ISB/275hp in DP motor home. Started normally, backed it out of garage, went to close garage door and engine stopped, just like key switched off. Will nor re-start. Cranks at normal speed, but not seeing any sign of smoke out of tailpipe. Changed fuel filter, checked electric lift (supply) pump, it is running and have fuel delivery when cranking. Any ideas? Also, anyone know how to release spring (parking) brake, as I have no air pressure due to no engine running..so I can pull vehicle back into shop? RV is on a Freightliner chassis, with an electric throttle mechanism. Any suggestions would be appreciated...I can swap for Generator info, as I work on Onan/Kohler/Generac, etc at my work
bounder39zman 08/09/14 11:42am Class A Motorhomes
RE: Coachman Sports Coach DP Question

I purchased my Sportscoach Cross Country new in 2004. Has the Cummins ISB 300 Turbo. I love my coach, great gas mileage usually around 10.5 miles per gallon keeping it at 55 MPH. The coach interior is average but from a mechanical standpoint, I've had no issues.
alstond 08/06/14 09:25am Class A Motorhomes
Cummins ISB 6.7 360 hspwr normal engine temp range

Watching our year old MH temp last night coming home from vacation and I noticed it running at about 201 - 210 mostly at 205 degree. Now it ran going during trip out about 198 - 201 but it was cooler outside, yesterday was 86 degrees - about 10 degrees warmer than the trip out. The fan kicked in around two times cooling quickly to 192. My question is what are you other people seeing with this engine and normal operating temps? It just seems a little hot. According to Cummins it's within normal temps. Fan on is suppose to be around 212 - 215 and engine shutdown at 220. So I'm curious if it was hotter in outside air temp say in the 90's am I to expect much higher engine temps or a fan on constantly? The next worry would be mountain pulling in hot temps. Thanks
et2 08/04/14 07:39am Class A Motorhomes
Where is my lift pump

2003 winnebago journey 36g 5.9 cummins isb 5 speed Where is the lift pump? MoHo has 50,000 miles Replace with cummins or upgrade with ?
multiengine 08/01/14 01:11pm Class A Motorhomes
RE: horsepower on a Cummins 5.9

Cummins ISB
sch911 07/15/14 02:52pm Class A Motorhomes
RE: Is this a good deal or not?

Thanks for all of your wisdom and great advice. I have passed it on to my husband. We REALLY want a used Ace 27.1 but only after the kinks have been dealt with prior to purchase etc. I would rather have a old Holiday Rambler like that than a newer Ace MH. Build & ride quality is far superior and that 275hp Cummins Diesel Engine is probably a Cummins ISB engine with about 600 lb of torgue. Plenty of power for towing and up hills. The newer Ford V10 only has about 425-450 lb.
okgc 07/14/14 03:24pm Class A Motorhomes
RE: Monaco Cayman 34' or Newmar Kountry Star 3353, Can't decide

I'm a first time DP buyer and have reduced my search down to two used coaches both of which are 2004 year models. I would welcome the opinion of folks who know more about these manufacturers. The Newmar 3353 has 2 slides, 62K miles, full body paint, upgraded cherry wood cabinets, new batteries, king dome and two year old tires. The window sticker shows $40K in options for a total sticker price of $182K in 2004. It has a Cummins ISB engine. Overall condition is very good for it's age. Final negotiated price $50K The Monaco Cayman has 4 slides, 8K miles (Yes only 8K), NO full body paint, 3 point leveling system (instead of 4), 6 new tires, new batteries, all the basic features without a lot of others options. Overall condition is good. Also a Cummins 300 engine, not sure if it's an ISB or C. Final negotiated price $56K I see the Newmar as the nicer coach all the way around but the 4 slides and low miles are attractive. WHAT WOULD YOU DO?? Buy the one which is still supported by its manufacturer. (Newmar)
Tom/Barb 06/24/14 12:34pm Class A Motorhomes
Monaco Cayman 34' or Newmar Kountry Star 3353, Can't decide

I'm a first time DP buyer and have reduced my search down to two used coaches both of which are 2004 year models. I would welcome the opinion of folks who know more about these manufacturers. The Newmar 3353 has 2 slides, 62K miles, full body paint, upgraded cherry wood cabinets, new batteries, king dome and two year old tires. The window sticker shows $40K in options for a total sticker price of $182K in 2004. It has a Cummins ISB engine. Overall condition is very good for it's age. Final negotiated price $50K The Monaco Cayman has 4 slides, 8K miles (Yes only 8K), NO full body paint, 3 point leveling system (instead of 4), 6 new tires, new batteries, all the basic features without a lot of others options. Overall condition is good. Also a Cummins 300 engine, not sure if it's an ISB or C. Final negotiated price $56K I see the Newmar as the nicer coach all the way around but the 4 slides and low miles are attractive. WHAT WOULD YOU DO??
gschob 06/24/14 10:32am Class A Motorhomes
RE: Need advice

Sanford gives classes on digging holes in the road for other cities but they still do not know how to fill them back in. Our roads are rough. Thats why they spend so much money on repaving. There are still plenty of dirt roads, especially in the mountains. Where are you from?? This MH has a thing on the back to block rocks thrown from the tires. Dirt roads don't bother me. By the time I get rid of this MH it will look like it has been through hell if it lasts that long. When we travel we like to explore different roads (dirt or paved) that we see to see where they go. No reservations or appointments so we don't have to be anywhere at a certain day or time. Another reason for buying a MH. Haven't heard anything about the engine or transmission on this one - Roadmaster chasis, Cummins ISB (whatever that means) 340 hp EPA 2007 low torque engine with Allison 2500 MH 6 speed world transmission and Onan 8KW quiet diesel generator. Since I'm not a mechanic a lot of that is Greek to me.
etruitt 06/05/14 10:22pm Class A Motorhomes
RE: need help quick!!!! breakdown UPDATE

Op back. Freightliner. Cummins isb 5.9. Allison 6 sp. It was a Cat.
Dr Jay 06/03/14 12:30pm Class A Motorhomes
RE: need help quick!!!! breakdown UPDATE

Op back. Freightliner. Cummins isb 5.9. Allison 6 sp.
klm 06/03/14 09:56am Class A Motorhomes
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