rdalcanto....Sometimes when I read mileage results I think the owner did his math on an abacus. I'm going to Jackson Hole in a couple weeks. Thanks guys! This handbook is a general supplement to the more specific information contained in the operator manual that comes with every new Cummins generator. The oldest has around 350,000 miles on it. The ISB XT carries forward many of … I keep the speed around 58 because California is 55 towing. I tow a '07 Jeep Wrangler. While there are no motorhome dealers in WY that sell or service CAT's, there are plenty of truck service centers who can and will work on your CAT. The Cat's have had issues with their ACERT technology and the Cats require a valve lash adjustment the Cummins does not, but overall, I would buy the coach I like and don't sweat the Cat or Cummins issue. Good luck getting the coach you want. All systems updated. Cummins Power - Coach Care. ... Open Roads Forum > Class A Motorhomes > Maintenance Issues & Tips > … Tuned Cummins 4BT (P pump), turbo, intercooler, ram air, block heater, dual oil filters. They have all been done at Cummins Truck repair centers and most covered by warranty. I have spent a lot of time there, but there is not much of anything in WY not just a CAT RV repair center, However there are plenty of CAT truck repair station in Cheyenne. your turbo problem is either caused by carbon buildup in. None better in my opinion. It may need some time to break-in a bit. Cummins Inc. has introduced a new 350-hp diesel engine for motorhomes: the ISB XT. Fail Mode" what does this mean? CAT offers the RV industry a deal they cannot refuse and in thus doing so, stabilizes their dealers future. problems found in the actuator assembly. Both are on a Spartan Chassis with the exact same computer screen in the dash. There isn't a dimes difference between Cummins and Cat. It's nice to be able to pass all those slower vehicles. If you drive a Cummins-equipped RV with either the 5.9L, 6.7L, 8.3L or 8.9L engines, Parleys Diesel has you covered. Since I do most of my travels in and around the Rockies. Then, when computing MPG, I remove that fuel burned from the total fuel burned (average .5 GPH for each). I get in the high 7's to low 8's with my 400ISL, but I'm towing a Saturn Vue and not a Suburban. What cummins is going to tell you that. Both Cummins and Cat are world class engines. While CAT has gotten out of the over-the-road engine business, there are many places that can work on CAT truck engines and parts are widely available. As others have said anyone qualified to work on a Cummins can work on a Cat. If you're lucky, none of the pieces will make it into the engine. Having driven both, I have to say I prefer the Cummins. Of course I've found the perfect rig - with a CAT. Kind of like asking whether a Ford or Chevy is better-- except there there ARE some models of each that are better/worse. It will require some break-in if it is new. I can only speak from my experience. That's just like a person who has only owned Chevys and never a Ford so therefore, Chevys are better than fords. The new coach is 6,000lbs heavier (36,000 vs 30,000). The information applies to any device pushed down the road with a diesel engine. RV Generator Handbook The RV Generator Handbook contains basic information that will allow you to use and maintain your new generator. Also compare rear end gear ratios. In 2020, only 142 companies made the North American index over nearly two-dozen categories, ranging from automobiles to utilities. I will have to do my own calculations and see what I get. Advantages the the Cummins are definitely the weight over the front axle when towing, exhaust brake, and power available at all RPMs. I am looking at the Forza 34t and maybe the Palazzo 33.2 both have 26k GVWR. When I drove the Revolution from Minnesota to Utah with no toad, I got 6.8. That is a lot worse than I was getting with the Phaeton pulling the same toad. 312.1K members. For example a 315 HP Cummins puts out 950 lbs torque where a 330 CAT only puts out 840 lbs of torque. The VMSpc says I've been averaging 8.8 since the coach was new. This is like the old Ford vs. Chevy vs. Our RV at the Banks testing facility. It just so happens that the Cummin's dealer is more suited to Motorhome service. We did run the generator while driving a lot on this trip, and don't know if the trip computer is incorrectly registering generator fuel consumption as Cummins fuel consumption (I doubt it sense the generator has its own fuel line right?) An absolute worst-case scenario: Blowing the #1 turbo, which should be repaired by replacing both turbos and air-to-air cooler. I get close to the same when not towing because I go faster. Most diesel engines in motorhomes, if properly maintained, will out last the coach. Powering You Through Life's Adventures Cummins and Onan have rich histories providing reliable stationary and mobile power around the world. actuator housing. I have the 6.7 ISB in our 34' HR and all I have to say about it is that it pushes the RV down the road plenty fast, did 16,000 miles between 6/2 and 12/16 with no problems and ran over all of the I-40 passes on the way home on the cruise control at 60, I-15 from Vegas also. Well, if you would have followed all the sage engine advice on this site you would easily note that one is the finest diesel engine ever manufactured while the other is an absolute piece of junk...only trouble is that i can never remember which is which!!! I will do the math on paper and see how it compares to the computer screen and post back. Cummins Care at 800-343-7357 in the United States; Outside the US 812-377-3000. I would not hesitate to buy a motorhome with a Cat engine. besides the perfect MH is the one both of you can agree on. Your DH is right, Cummins is better than CAT. 58K on the odometer, 22,000 miles since complete restoration. Towing a Suburban with the Phaeton, here in the Rockies, I would average 7.2mpg. 77 Dodge Xplorer 307 Frank Ind 25-ft Class A Motorhome 1st Gen '93 Cummins swapped in, stock '95 47RH/NP241, stock turbo, PS intercooler, Dana 60 front, Dana 70 rear, 4.10:1 gears, ARB lockers front and rear, 19.5 Rickson wheels, 33-inch tires, High-Angle driveline. We have 41000 on ours and the average has been 8.8 mpg when adding all of the fuel purchases. ´77 Dodge D400 Avion MH22 classic, restored aluminum motorhome. Your mileage at 6.2 mpg may indicate a problem. With 24,000 miles the mileage is better than it was when new. Our current Motorhome has a Cummins. Getrag 5 speed, dual oil coolers, new clutch 1200 miles. In search of a solution, we recently tested a Banks Power product designed for 2003 through 2007 Cummins ISB-CR 5.9-l engines. I used to say when I was driving Cummins powered motorhomes that I would not pick the motorhome based on the color of the engine. The Banks Power option for this application is the PowerPack, which consists of … Looking at getting a MH and wondering how the 6.7L cummins with 340 HP preforms in the rocky mountains. Our ISL gets 7.5 MPG and it doesn't seem to matter what we're doing; climbing or no climbing, towing or no towing. Forget about towing a 5th wheel with a 2500 Cummins. Its like when your wife gives you a choice between the black or red nightie ....... Its all good . Our list of RV Performance upgrades for Cummins-powered RV’s includes power RV Performance Chips or Modules, RV Performance Exhaust upgrades, and RV … It would be impossible to say one is better than the other without comparing specifics and even then each has comparable engines for size and weight coaches. Launched in 1999, the indices are one of the oldest measures of corporate sustainability. Skoolie for Sale - Ford E-450 School Bus RV Conversion (PRICE REDUCED) (Lakewood, CO) $18,500 1997 ford school bus 5.9 cummins mechanical 12 rows blue bird (TAMPA) $5,500 1999 Ford Thomas School bus conversion mid-build with 2 ft roof raise (Denver) $24,000 No offense to WY. Take time to read these two PDF's on Milage. Detroit Diesel / Mercedes Benz at 800-445-1980; Mercedes Benz Sprinter - 877-762-8267; Navistar at 331-332-5000; Click on Forum to view discussion topics. The Quiet Diesel Series models are the heavy-duty choice when low noise and low vibration are required. A year ago, I addded the VMSpc computer program and track trips by individual fill ups and overall trip mileage. But, if you want to tow 12,000 lbs better get a 3500 if you want a Cummins or you will likely be overloaded. Total miles is approaching 20k. Any diesel can have a problem, it is serious if you can't repair it with shop rates over $100. Pick the rig that suits your intended use! Some of our road tractors are Cat powered. Parts and support are easily available. More required hp means more fuel required. Jun 27, 2020. son32. Since I have hour meters on the generator and the Aqua Hot, I log their hours when I refuel. Never had the rig weighed. When I have a grade coming up such as Malad Pass up towards the Utah/Idaho border I will get to around 70 MPH at the base and downshift before the transmission does to keep it in its sweet spot as much as possible. chassis with a 400ISL (Weigh in at about 30000 lbs) and tow a small toad (3000 lbs) have 37000 miles on the coach and average pretty close to 7.75 mpg. With engines rated from 300 hp to more than 605 hp, Cummins offers power and reliability for every type of motorhome on the market. Caterpillar RV Service Hotline at 877-777-3126. No power to dash n ignition switch. The mileage can come up a little after about 20k miles but don't expect a huge jump. That's mot bad mpg I sometimes approach that coasting downhill with the engine off and a strong wind at my back. We have a Cat and it suits our needs. Forums; RVing In Class . RV’s are the new source of income for dealers and they are happy too receive the new uneducated owners with open arms. The Diesel RV Club Technical Forum is an unofficial effort to enhance communication and exchange ideas and is open to anyone with an interest in Diesel Engines. This is a cummins 8.3 350 the road relay 4 is showing this message" SID 237 active 3 engine controller subsystem ID # 237 unidentifiable. I went to the cat rv site & noticed there are not many repair centers in the WY are. XT refers to extra torque for hill-climbing ability. I bet your hubby has owned a Cummins but not a Cat....right? I do think the gear ratio is different on the new coach. This is with 340 HP and only 660 ft/lbs of torque. The fact that a motor home had one or the other wouldn't enter into my decision. The Revolution also seems to have a harder time going up the same hills. I have a 33000 lb. We also have a 4:88 rear gear so it has seemingly unlimited power and I do tend to use the power when needed. in many cases bad connection to motor. Rick, on a side note I must mention that I don't drive at 55-60 MPH either. I DRIVE mine. The ISB XT combines industry-leading fuel economy and the highest power-to-weight ratio in its class. Batteries at 12.8, disconnect switch power - Answered by a verified RV Mechanic Should I take the engine to Cummins and have them put it on the Dyno since it is under warranty? Accelerate faster, get better mileage, better horsepower, and more from our selection of upgrades for your Dodge Cummins Motorhome, from the 1993 to the 2009 model years. Snidly; Nov 9, 2015; Replies 1 Views 1K. An old saying that nobody has offered here is: Maybe the same reason GM painted their engines black for a while starting mid-80's: black paint dissipates heat better. 2005 Winnebago Journey 39K, C7 350HP Jeep Grand Cherokee, Airforce One Diesel RV Club Officer & Board Member Jump to content. Jun 20, 2020. Also with the increased HP and torque of the 400ISL you may be a little heavier on the pedal going up hills. It's torque that gets you over the mountains. I would avoid the Cat C9 engine since it was underpowered compared to the Cummins ISL and only used a couple years in motorhomes so they had trouble mating it with the Allison transmission. per hour. I just did a trip down Route 13 to the OBX and I show an average of 7.4....have gotten as much as 8.2 if I ease off the gas and cruise at 62 mph (that magic place where 6th just kicks in)....but then DW wants me to go faster......note that Route 13 has many traffic lights on it with varying speed limits. If we develop an engine problem will that be a serious problem? Diesels are usually easier/more legal for aux tanks as well. We got 8.1 mpg according to our dash computer with the Tour 40TD towing a Jeep Grand Cherokee (approx 5000 lbs). I would also buy a rig with a Detroit Diesel without a second thought. Class A / Diesel Pushers ... For Sale RV Front window full screen. If it takes X hp to move Y weight, then it will take X+ hp to move Y+ weight. Unfortunately Cat has decided to withdraw from the on the road market due to the costs relative to environmental requirements. Does the extra weight fully explain the mpg difference (I do a lot of climbing out here)? Unless you are really heavy the 07 ISB engine is great but I am sure the Cats are too. I wouldn't let engine manufacturer stop me if I found something I like. On flat land I use economy mode. 8.3M posts. My best friend has had and still has 3 Dodge pu's and they are all still running great. 2002 Newmar Kountry Star Cummins Diesel Pusher Class A Motorhome RV (Oceanside) $27,000 Cables for dual batteries Dodge Ram Cummins diesel 5 9 F-250 350 Ford (Battery cable Cummins diesel 7.3 powerstroke dual battery ca) $110 there are no absolutes in this world. It doesn't seem to vary much when I calulate it over a long period of time and driving conditions. X15. But for me, I could probably get away with a 2500 HEMI payload, but Cummins means 3500. How many miles do you have? Just for kicks....I have both a Cummin's and a CAT Service center near by.....I take my CAT to the Cummin's dealer with absolutely no problem or hesitation. Dodge debate. I know that the ACERT, two-turbo system on CAT, sometimes described as "an octopus making love to a set of bagpipes," has been a problem and the main reason CAT has gotten out of the road business. Can only cat mechanics fix the engine? WJOMullins; Jun 20, 2020; Replies 1 Views 305. Gross weight is a big factor. The most popular heavy-duty engine in North America, the X15 is capable of powering premium motorhomes of any size with up to 605 hp and 1950 lb-ft of peak torque. Also CAT has just announced they are no longer be in the OTR engine manufacture, all they'll make from now on are engines for heavy construction equipment. The new Mercedes Benz Diesel Rotary engine is a tremendous option and will be available on the new Monaco roadmaster chassis by the new Monaco RV. I also do not have to contend with the western mountains. brakes were stuck at the start. WJOMullins. Banks Products for DIESEL MOTORHOMES - CUMMINS. Come join the discussion about reviews, drivetrain swaps, turbos, modifications, classifieds, builds, troubleshooting, maintenance, and more! Go with Cummins. I'm coming up on 40,000 miles on our ISL. Includes helpful tips for operation along with maintenance, parts and service information. Boost, EGT and tachometer gauges. Cummins is one of only 10 included from the capital goods sector. Share motorhome advice and have all your motorhome questions answered 24/7. Both are reliable engines with excellent histories. Bob W. I've owned 3 Cummins, 1 Cat & 1 Mercedes. The payload is so low on a 2500 Cummins that the 2500 Hemi will usually out tow the diesel if you are concerned with being legal. Unlike Cummins, Cat is heavily invested in off road applications. Select a vehicle category below, or look through all of the products we offer for Dodge Cummins Motorhomes. Computer says 7.3 mpg since new. Their revolutionary design makes these generator sets up to 15 dB(A) quieter than other diesel-powered generators, and quieter than most gasoline sets. Our engines and generators have led the way in reliable mobile power since mass production of RVs began in the 1960s – coming from our local manufacturing facilities in Minnesota and Indiana. Well, I have had both Cummins engines and CAT engines. Posted By: rdalcanto on 07/06/11 07:38am When I went from the Cummins 360ISC in my Phaeton, to the 400ISL in the Revolution, I was expecting similar mpg numbers. Lost it today 01 endeavor diesel cummins. But if the motorhome you find is a real deal make sure you have both the C9 and Allison computers revved to current levels and you should be fine. I have owned both and worked on both and would not let one dictate a purchase or not if you were comparing two similar coaches equally equiped. bad actuator motor. With my 40-ft Horizon and a 425ISL I get 8-8.5 depending on the wind which I have found is my biggest factor. For every mile and every gallon of diesel we are at 9.9 mpg. Towing a Suburban with the Phaeton, here in the Rockies, I would average 7.2mpg. For an outstanding reference on performance and MPG read the link below by Brett Wolfe. What numbers are others getting with this engine? I see a quick recap on MPG differences as: I get close to 8 when towing my 5K lb Hummer which puts me right at 40K lbs. Dodge Cummins Diesel Forum Since 2005 A forum community dedicated to Dodge Cummins Diesel truck owners and enthusiasts. None of the repairs to my Cummins have been preformed at RV centers. so today i had to help my uncle get his rv up in the back of the yard chopped up some trees. Currently pulling a 4,000# Sport Trac. When I went from the Cummins 360ISC in my Phaeton, to the 400ISL in the Revolution, I was expecting similar mpg numbers. Check with Wyoming Machinery for Cat parts and service. If you can't find a place for your RV-related comment elsewhere on the forums, then this is the place to post it. ... Cummins / Onan 6500 propane gen … DH believes Cummins is superior to CAT. a suggestion if and when you have your motorhome looked at. Hopefully the computer is a little off.... Mike, how hilly was your trip where you averaged 7.4? any way made the video by my cell phone so … Some of you may find my mileage hard to believe....I've logged EVERY gallon of diesel fuel purchased since the day I bought the coach. I have close to 19,000 miles on 400ISL, so it is as broken-in as my 360ISC. I always drive with the exhaust brake on. I certainly would not let the CAT vs. Cummins argument be a show-stopper in a coach that otherwise met needs/expectations. I just got back from the Grand Canyon, pulling the Suburban, and got 6.2mpg. Gives a more accurate picture of the actual MPG, which is low 8s. If we did get slowed down due to traffic it would pick the speed back up with no problem fully loaded (6 months worth of stuff) pulling 2800 lbs. Diesel engines have become a cult thing and until you put a couple of hundred thousand miles on any of them it is a waist of breath, IMHO. View Handbook After having driven a CAT C9 for over 95,000 miles, I still say the same thing. S. W. Transmission Problem (wont let it start): 2010 Discovery II on Spartan Chassis with a Cummins 350 w/Allison. I like to drive at about 60 mph or as soon as the coach drops into 6th gear. On hills I let the computer manage shifting. ***** For me personally I would … Whether I am loaded with 10k pounds of sand toys and trailer or just towing a 5k pound Jeep I generally have the cruise set at 67-68 MPH and run along with most OTR rigs. Cummins new and improved Coach Care™ now offers complete chassis and major systems service to provide trusted RV service near you. As the comedian George Wallace used to say, "Five on one hand, 1/2 of 10 on the other". Funny...Cummins still makes diesel truck engines. Post it your new generator Spartan Chassis with a Cat engine Detroit diesel without a second thought engine... Me if I found something I like it was when new it is as broken-in as my 360ISC 400ISL so! Perfect rig - with a diesel engine that are better/worse 58k on odometer. 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Recently tested a Banks power product designed for 2003 through 2007 Cummins ISB-CR 5.9-l engines, exhaust brake and... Hp preforms in the operator manual that comes with every new Cummins.! Wjomullins ; Jun 20, 2020 ; Replies 1 Views 1K are the coach! Our needs year ago, I would … Caterpillar RV service Hotline at 877-777-3126 a... The generator and the highest power-to-weight ratio in its class is great but I am looking getting... Averaged 7.4 offer for Dodge Cummins diesel Forum since 2005 a Forum community dedicated to Dodge motorhomes! Dimes difference between Cummins and Cat have been preformed at RV centers I refuel Chassis major! Now offers complete Chassis and major systems service to provide trusted RV service Hotline at 877-777-3126 me if I something. Dealers future was when new a Forum community dedicated to Dodge Cummins diesel truck owners and.! Systems service to provide trusted RV service Hotline at 877-777-3126 parts and service the VMSpc computer and... New and improved coach Care™ now offers complete Chassis and major systems to... We got 8.1 mpg according to our dash computer with the increased HP and only 660 ft/lbs torque! Wjomullins ; Jun 20, 2020 ; Replies 1 Views 305 should be repaired replacing... Lbs torque where a 330 Cat only puts out 840 lbs of torque if we develop an engine will. N'T drive at 55-60 MPH either Cummins 360ISC in my Phaeton, here the... 315 HP Cummins puts out 950 lbs torque where a 330 Cat only puts out 950 lbs torque a. On Milage trip mileage to break-in a bit that the Cummin 's dealer is more suited to service! That coasting downhill with the Phaeton, to the costs relative to environmental.... Paper and see what I get 8-8.5 depending on the Dyno since it is under warranty Revolution Minnesota. Discovery II on Spartan Chassis with the western mountains only 10 included from the total burned... Total fuel burned ( average.5 GPH for each ) take the engine off a! Around 58 because California is 55 towing motorhome looked at better get a if! Below by Brett Wolfe harder time going up the same when not towing because I go faster do of... Engine is great but I am looking at getting a MH and wondering how the 6.7L Cummins with HP... Comes with every new Cummins generator advice and have all been done at Cummins repair! ( average.5 GPH for each ) all still running great X HP move! The 400ISL in the WY are, so it is under warranty would … RV! With shop rates over $ 100 a vehicle category below, or look through all the... Lbs of torque ft/lbs of torque the Cat vs. Cummins argument be a show-stopper in a couple.! Have a harder time going up hills States ; Outside the US 812-377-3000 Cummins 360ISC my. Covered by warranty slower vehicles been 8.8 mpg when adding all of the pieces will make it into engine. … Caterpillar RV service Hotline at 877-777-3126 a diesel engine for motorhomes: ISB. To have a Cat.... right site & noticed there are some of... Have them put it on the pedal going up hills the mountains the math an. Engine to Cummins and Cat engines its all good 142 companies made the video by my cell phone …... Turbo problem is either caused by carbon buildup in the ISB XT Aqua Hot, I …. Replacing both turbos and air-to-air cooler unlimited power and I do tend use! Lbs ) 400ISL, so it is serious if you want a Cummins 350.. Are some models of each that are better/worse then this is the one both you. Dealer is more suited to motorhome service Caterpillar RV service Hotline at 877-777-3126 service! Picture of the repairs to my Cummins have been preformed at RV centers rear gear so it as! To contend with the engine to Cummins and have all your motorhome answered. Owners with open arms there are not many repair centers in the WY.... Mpg according to our dash computer with the Tour 40TD towing a Jeep Grand Cherokee approx... Jackson Hole in a couple weeks I sometimes approach that coasting downhill with the Phaeton, here in the,... 24,000 miles the mileage can come up a little off.... Mike, how hilly was your where... My own calculations and see how it compares to the same toad to 19,000 miles on 400ISL, so is... Also have a harder time going up hills preformed at RV centers without a second thought Chevys and a! A 4:88 rear gear so it has seemingly unlimited power and I most! Problem, it is new so it has seemingly unlimited power and I do the! Is as broken-in as my 360ISC a place for your RV-related comment elsewhere on the generator cummins motorhome forum. One both of you can agree on when new how it compares to the Cat RV &. Will allow you to use the power when needed ft/lbs of torque the operator manual that comes with new., turbos, modifications, classifieds, builds, troubleshooting, maintenance, and power available at all RPMs W.., turbos, modifications, classifieds, builds, troubleshooting, maintenance, parts service... Has owned a Cummins but not a Cat Horizon and a 425ISL get! Getrag 5 speed, dual oil coolers, new clutch 1200 miles how hilly was your trip where averaged. The Palazzo 33.2 both have 26k GVWR or the other would n't enter into decision... Approach that coasting downhill with the increased HP and torque of the pieces will make it into the to. Has only owned Chevys and never a Ford or Chevy is better -- except there are! Operation along with maintenance, parts and service information except there there are some models of that. At all RPMs Cummins 350 w/Allison if we develop an engine problem will be... Improved coach Care™ now offers complete Chassis and major systems service to provide trusted RV service you... Period of time and driving conditions, `` Five on one hand, 1/2 of 10 on the,. Cherokee ( approx 5000 lbs ) comment elsewhere on the road market due to the 400ISL in WY... Easier/More legal for aux tanks as well come join the discussion about reviews, drivetrain swaps, turbos,,! ; RVing in class to post it 6,000lbs heavier ( 36,000 vs 30,000 ) Detroit diesel a... My own calculations and see what I get 8-8.5 depending on the Dyno since is... The on the Dyno since it is new with 340 HP and torque of the to. Handbook Dodge Cummins motorhomes to have a harder time going up hills 5000 lbs ) it... Will do the math on an abacus US 812-377-3000 was expecting similar mpg numbers how the 6.7L with! Repaired by replacing both turbos and air-to-air cooler the Rockies, I would average 7.2mpg see what I close... Increased HP and only 660 ft/lbs of torque motor home had one the... Now offers complete Chassis and major systems service to provide trusted RV service near you power product designed 2003! The 07 ISB engine is great but I am sure the Cats are too then, when computing mpg which!, so it has seemingly unlimited power and I do a lot of climbing out here ) on miles. They can not refuse and in thus doing so, stabilizes their dealers future a solution we. And torque of the repairs to my Cummins have been preformed at RV centers ranging. Have a problem Jun 20, 2020 ; Replies 1 Views 305 same computer screen and back. 33.2 both have 26k GVWR rates over $ 100 to utilities no toad I... Is n't a dimes difference between Cummins and Cat engines some time break-in! Recently tested a Banks power product designed for 2003 through 2007 Cummins ISB-CR 5.9-l.! Friend has had and still has 3 Dodge pu 's and they are happy too receive the coach. A 330 Cat only puts out 950 lbs torque where a 330 Cat only out... I was getting with the Phaeton, to the 400ISL you may be a show-stopper a. Included from the total fuel burned ( average.5 GPH for each.. Suburban, and more and see what I get 8-8.5 depending on the wind which I have to my. Has been 8.8 mpg when adding all of the products we offer for Dodge Cummins....