Is There More Or Less Maintenance Required For A Diesel Versus Gas Engine

 
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Old 11-13-2016, 10:51 PM   #21
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Re: Is There More Or Less Maintenance Required For A Diesel Versus Gas Engine


I drove a Dodge 3500 Dually for 6 years. I bought it for 17k. I sold it for 15.5k. You ain't going to drive much of anything for 1500 bucks for 6 years and maintenance doesn't even matter then. I haven't ever noticed that large of a difference. Diesels I always budget 1500 per year for maintenance and gassers I do about 1200. My Silverado gasser I bought for 20 and sold for 4 if you want a comparison.

I own an 05 International 4300 and a 07 Ford expedition now. I've had to put more into the Ford. That said, I probably wouldn't put up the coin for a diesel unless it was something I needed for towing.
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Old 11-13-2016, 10:53 PM   #22
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Re: Is There More Or Less Maintenance Required For A Diesel Versus Gas Engine


Way too many people drive diesels as a status symbol and to look cool.

They do not know how they work or what they are really used for.

Diesels shine when consistently hauling heavy loads, ie a work truck full of chit, or towing all the time.

They are cheaper to run in these instances.

For work and play if you could afford to buy one in the first place the cost of oil changes and routine maintenance most likely is not of concern.

And do not think that if a gasser breaks down that it is going to be cheap to fix....
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Old 11-13-2016, 11:05 PM   #23
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Re: Is There More Or Less Maintenance Required For A Diesel Versus Gas Engine


We have 19 vehicles on the road. It's a mix of diesel and gas.

Our oldest trucks are 00-01 f350 and f450s with the 7.3 diesel. I only have 3 runners left since the guys totaled one recently. All have had an engine replacement, and transmission replacement at least 1 time. 300K miles is the average mileage on these trucks. Fairly easy to work on. Repairs are more than gas but still reasonable.

I have one 6.0 ford diesel now. Underpowered compared to the 7.3. Nothing but problems since purchased. Currently has a hole in the oil pan due to a thrown rod. We will not be sinking any more money into it. Major repairs are cab off and extremely cost prohibitive.

I have one ford 6.4 diesel. Nothing but problems with this truck too. The dealer actually extended our warranty on this one due to the amount of time it was in the shop. It's had multiple engine replacements, turbos, exhaust and egr issues. I don't send it out of town for fear of breakdown. Major repairs are cab off and extremely cost prohibitive.

I have one ford 6.7 diesel. Its had 1 engine replacement and 2 turbo replacements. Luckily it's all been under warranty. The last turbo replacement was a battle with Ford but they did cover it in the end. Truck broke down a couple days before warranty was up but didn't get towed in till after it was up. I called the dealer the day it broke and told them about the issue and explained the warranty situation. Runs good but I'm worried about out of pocket costs when the next major failure occurs. Major repairs are cab off.

I have one dodge 6.7 diesel. Great truck. No major issues. Just over 100K miles right now. No major repairs required. Yet.

I have 3 chevy 6.6 diesels. Fairly low mileage on these 80-100K. No major repairs required at this point.

My recent fleet purchases have been chevy 3500 HD with the gas engine. GVWR is just under CDL. They can handle towing pretty well though I don't use them for pulling our CTL'S or mini excavators. Just enclosed tool trailers. So far they have been good trucks. I have 2 now (had a 3rd but one was totaled this year) and a new 3rd to be delivered before end of year.

The remainder of the fleet includes a 10T dump, 1/2T pickups, and some smaller vehicles that don't apply to this discussion.

My typical purchase is a 350/3500 crew cab, 4wd, DRW, aluminum utility body, system one ladder rack, spare tire, extended warranty, rhino liner in the bed.

My total, average out the door cost for a gas engine is around 55K. Typical cost for diesel is 8-10K more. Diesel fuel costs more. Major diesel engine repairs are VERY expensive.

Unless you are able to repair a diesel yourself, I would not buy a used one. I don't want someone else's problem. We have an in house mechanic but some of the new trucks are so complicated that we send out major repairs. If I'm not going to tow over 10,000 lbs I won't buy a diesel.

Basically, the only time I consider a diesel is if the crew will be towing heavy equipment. Otherwise, there is no justification for the additional costs of purchase price, maintenance, and repair. We log a lot of miles. You have to do a lot of work to pay for a 60K+ truck. The diesels always seem to have major failures and the cost to repair these newer trucks is astronomical.

If you asked me this question 15 years ago, I would not consider a gas truck for the work we do. Times change.




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Old 11-14-2016, 05:28 AM   #24
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Re: Is There More Or Less Maintenance Required For A Diesel Versus Gas Engine


[QUOTE=griz;5362273

And do not think that if a gasser breaks down that it is going to be cheap to fix....[/QUOTE]

Much much cheaper to repair than a gasser and faster since the number of qualified diesel light duty truck technicians is limited.

If my truck needs to be repaired I can count on being without it for 1 week. Out of 10-12 techs 2 are trained diesel techs.
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Old 11-14-2016, 06:55 AM   #25
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Re: Is There More Or Less Maintenance Required For A Diesel Versus Gas Engine


Price of diesel is consistently higher here.

And the last diesel my landlord bought got worse mileage then his equivalent gasser.
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Old 11-14-2016, 07:28 AM   #26
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Re: Is There More Or Less Maintenance Required For A Diesel Versus Gas Engine


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Price of diesel is consistently higher here.

And the last diesel my landlord bought got worse mileage then his equivalent gasser.
That's interesting, it was higher than gas here for a couple years, but the past year it's been lower.
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Old 11-14-2016, 05:46 PM   #27
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Re: Is There More Or Less Maintenance Required For A Diesel Versus Gas Engine


At one particular station it's almost even. The one I passed today was $2.21 gas and $2.79 diesel.
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Old 11-14-2016, 06:00 PM   #28
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Re: Is There More Or Less Maintenance Required For A Diesel Versus Gas Engine


A few years back, diesel was almost a buck a gallon higher.

It's all road taxes, or whatever you folks call it in your state.
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Old 11-14-2016, 08:20 PM   #29
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Re: Is There More Or Less Maintenance Required For A Diesel Versus Gas Engine


This week both are the same I believe Dec 1 diesel is going up 23 cents just like our gas did, but now many stations have the cash price the same as the credit price. Something's fishy
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Old 11-15-2016, 11:00 PM   #30
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Re: Is There More Or Less Maintenance Required For A Diesel Versus Gas Engine


Personally I'm at the point that I wouldn't own a newer diesel without warranty.

Last one I had (2012) cost $1600 to replace a urea heater line.

That's less than ive spent driving 200k with my gasser super duties (4 of them) without repairs I think both are fairly even.

Fwiw, the fuel injection system on a Ford 6.7 is $15k

A rebuilt 5.4 gasser is under $5k

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Old 11-16-2016, 01:52 AM   #31
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Re: Is There More Or Less Maintenance Required For A Diesel Versus Gas Engine


I'm keeping my 7.3 until it dies twice or more. I need a diesel as I tow a trailer 90 percent of the time.

The new Fords scare me. Way too many problems. Probably will go with Chevy next time. Maybe the big block gasser would be an option.

My 7.3 has had its share of engine issues as well. Injector harness, a couple injectors, normal pumps and alternator stuff, but it is typically reliable if I stay on top of it. Despite my posts about it being down.

A 15,000 dollar repair wouldn't even be in the realm of affordable for me. I can do most of the repairs on the 7.3 if I need to.

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Old 11-16-2016, 01:50 PM   #32
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Re: Is There More Or Less Maintenance Required For A Diesel Versus Gas Engine


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I'm keeping my 7.3 until it dies twice or more. I need a diesel as I tow a trailer 90 percent of the time.

The new Fords scare me. Way too many problems. Probably will go with Chevy next time. Maybe the big block gasser would be an option.

My 7.3 has had its share of engine issues as well. Injector harness, a couple injectors, normal pumps and alternator stuff, but it is typically reliable if I stay on top of it. Despite my posts about it being down.

A 15,000 dollar repair wouldn't even be in the realm of affordable for me. I can do most of the repairs on the 7.3 if I need to.

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Old 11-16-2016, 03:01 PM   #33
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Re: Is There More Or Less Maintenance Required For A Diesel Versus Gas Engine


Mike -B...Great post!

Your summation is pretty much what I experienced with an e350 box truck I bought w/about 200k. It ended up being a money pit. I douby I will ever purchase another diesel.
With the newer 4,5, & 6 speed trany's, gassers are more forgiving to drive than ever. They just downshift to a lower range when extra torque is needed, vs a diesel lugging along. They are also much quieter to drive. For some, the sound of a diesel is invigorating, but not to me!
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Old 11-17-2016, 06:42 AM   #34
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Re: Is There More Or Less Maintenance Required For A Diesel Versus Gas Engine


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Mike -B...Great post!

Your summation is pretty much what I experienced with an e350 box truck I bought w/about 200k. It ended up being a money pit. I douby I will ever purchase another diesel.
With the newer 4,5, & 6 speed trany's, gassers are more forgiving to drive than ever. They just downshift to a lower range when extra torque is needed, vs a diesel lugging along. They are also much quieter to drive. For some, the sound of a diesel is invigorating, but not to me!
I think its funny people like the noise. We have literally spent the past 50 years making vehicles quieter, smoother, and more comfortable. People buy diesels and make them noisy, bumpy, and needing a ladder to get in.

I can do nothing besides shake my head at these fools who buy a diesel to hotdog around in. "It's a diesel truck you dildo, of course the muscle car is going to blow the doors off you... jackass."

I like my gas expedition. I would never buy a Ford diesel unless its a 7.3 in fact, I may never buy another diesel unless its an international or a Mercedes. Diesel's are easier to work on.
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Old 11-17-2016, 07:01 AM   #35
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Re: Is There More Or Less Maintenance Required For A Diesel Versus Gas Engine


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I think its funny people like the noise. We have literally spent the past 50 years making vehicles quieter, smoother, and more comfortable. People buy diesels and make them noisy, bumpy, and needing a ladder to get in.

I can do nothing besides shake my head at these fools who buy a diesel to hotdog around in. "It's a diesel truck you dildo, of course the muscle car is going to blow the doors off you... jackass."

I like my gas expedition. I would never buy a Ford diesel unless its a 7.3 in fact, I may never buy another diesel unless its an international or a Mercedes. Diesel's are easier to work on.
They are vastly smoother and quieter than they use to be.

International made the engines for Ford until 2010, including the 6.0 turkey.
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Old 11-17-2016, 07:38 AM   #36
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Re: Is There More Or Less Maintenance Required For A Diesel Versus Gas Engine


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They are vastly smoother and quieter than they use to be.

International made the engines for Ford until 2010, including the 6.0 turkey.
For some reason they laid an egg on that one and couldn't get it right. Didn't do much better with the 6.3L.

Their 7.6 seems to be fine but there wasn't really a reason to move away from the DT466. That is easily one of the best engines ever built along with the 7.3 they made for Ford. Mercedes big diesels seem to be badass after you sift through the bias'.
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Old 11-18-2016, 09:04 AM   #37
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Re: Is There More Or Less Maintenance Required For A Diesel Versus Gas Engine


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How long to make up the $10K difference in cost?

Of course you are comparing 2 different classes of vehicles.
I bought my 7.3 PSD Excursion in 2000. Diesel fuel was about 90Ę a gallon, gas about $1.50 a gallon. Between the added fuel economy and cost disparity it took 17 months to make up the cost difference (4K for the PSD). At todays prices it's a wash on fuel costs.

At 340K on the odometer I've had no engine failures except the water pump.

Oil changes every 6-8 weeks run about $64.00 in material.

Drove it to and from Denver in October, averaged 16.4 mpg @ 90 mph.

My highest maintenance cost is keeping it clean. Would be the same with me if it was a gas engine.

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Old 11-18-2016, 04:47 PM   #38
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Re: Is There More Or Less Maintenance Required For A Diesel Versus Gas Engine


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I would never buy a Ford diesel unless its a 7.3 in fact, I may never buy another diesel unless its an international or a Mercedes. Diesel's are easier to work on.
You may want to rethink the Mercedes diesel, the medium duty and heavy duty engines are worse than the Bluetec.

The Bluetec engines have the same issues as all the other light duty engines- EGR, def tank, oil cooler, glow plug, DPF. The block may last but the engine will not run.
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Old 11-19-2016, 10:12 AM   #39
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Re: Is There More Or Less Maintenance Required For A Diesel Versus Gas Engine


The only gas engine vehicle I have is a 2002 Tacoma with a 180k on it.
It hasn't had to go in for service since I bought it three years ago.

I have a 25year history with ford and Dodge Diesels. My last two Dodge diesels have been a bit of a nightmare with the Def and Dpf sensors tripping the check engine light. I had a 2011 that I bought used, and quickly traded it in on the 2015 that I am currently driving.

Nice enough trucks. The 2015 has triggered the Def light warning light 4 or 5 times in 27k Miles. When it does that, you have to get it to the dealer pronto for a scan, and it is usually a false alarm. Just this week they replaced the SCR, which is about ten feet of exhaust system. They say I shouldn't have any more problems. We will see.

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