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  1. #151
    Platinum Member
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    Jan 2011
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    573
    Location
    Richmond, IN
    Tractor
    Kubota MX5100

    Default

    Well my own truck has well over 300k on it with very minimal repairs.

    At the shop I work in we service quite a few Cummins powered trucks with well in excess of 300k with relatively few real repairs. Basically the only trucks that we actually replace parts like transmissions and axles on have had little to no maintenance.

    Just had a guy with 830k in his '03 3500 2wd Ram. We did 100% of his service. In that time the only stuff we did were 1 set of injectors, 1 transmission overhaul and then a few seals including a new timing case gasket(this is pretty intrusive on a CTD). The truck was used for travel trailer deliveries all across the country. It literally had a trailer hooked to it constantly.
    Kubota MX5100
    '95 Ram 2500 CTD
    Stihl MS441 ported
    Stihl MS280 ported

  2. #152
    Super Star Member Diamondpilot's Avatar
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    Jan 2007
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    14,313
    Location
    Daleville, IN
    Tractor
    Jinma 254/284 Ford 861 Powermaster at work

    Default Re: Diesel truck with best MPG

    Quote Originally Posted by Peacock View Post
    Well my own truck has well over 300k on it with very minimal repairs.

    At the shop I work in we service quite a few Cummins powered trucks with well in excess of 300k with relatively few real repairs. Basically the only trucks that we actually replace parts like transmissions and axles on have had little to no maintenance.

    Just had a guy with 830k in his '03 3500 2wd Ram. We did 100% of his service. In that time the only stuff we did were 1 set of injectors, 1 transmission overhaul and then a few seals including a new timing case gasket(this is pretty intrusive on a CTD). The truck was used for travel trailer deliveries all across the country. It literally had a trailer hooked to it constantly.
    The Ford I mentioned also hauled campers, the GM hauls tractors. Don't get me wrong, they both still run and will probably hit double that millage but the rest of the truck still needs stuff over time. All brands and all trucks will. Seals, hoses, brake lines, bushing, springs, shocks, switches, knobs, ball joints, U-joints, bearings, ect. It gets to the point where its not worth the battle and its time to retire it to farm duty where it never goes far from home.

    I have personally seen two trucks with over 1,000,000 miles. One was a GM gasser about 12 years old that delivered paper all over Chicago. The guy told me it was on its 4th engine and I dont remember all the other stuff he had replaced. The other was a 04 F-250 that delivers sea food in Florida. It was a diesel and was on the original engine and again had multiple other things replaced. Its just a fact of life that they will wear out or last forever if you want to just keep throwing parts on them.

    Chris

  3. #153
    Elite Member
    Join Date
    Apr 2005
    Posts
    3,646
    Location
    nicholson, pa
    Tractor
    John Deer Lt160

    Default Re: Diesel truck with best MPG

    Quote Originally Posted by buickanddeere View Post
    Doesn't help. The stuff bubbles and holds salt and moisture against the metal. Oiling twice a year and pressure washing salt and mud out of crevices will get a chassis to 15-20 years instead of 10-15 years. This still leaves items like rotten brake and fuel lines. Rusted through rear diff coves, fuel tanks or oil pans. Any work starts to require a torch or penetrating oil to reduce the number of twisted off fasteners.
    Thanks for the info, It will keep me from wasting money!

  4. #154
    New Member
    Join Date
    Apr 2013
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    1
    Location
    Tuscaloosa, AL
    Tractor
    cummins

    Default Re: Diesel truck with best MPG

    I think as far as best mpg would be the first gen. Dodge cummins '92 - '97, and some in '98, 12 valve 5.9 liter. I've owned a 93 4x4 regular cab 5 speed with wide oversized tires, ran a tank through and checked it running 65 - 70 mph and got 24 mpg. Engine was stock.. I owned a '98 4x4 automatic 24 valve quad cab that best averaged 18 mpg. Owned a '99 4x4 5 speed quad cab, 18 mpg,, put a chip, intake, exhaust on, & on hi setting, still 18 mpg (normal driving). Owned a '06 4x4 automatic mega-cab stock, and normal to easy driving saw 16 to 18 mpg.. All Dodge w/ the cummins. My grandpa had a 2 wheel drive '93 or last year of the first gen. dodge WITH the overdrive, and saw 26 mpg driving from AL. down to FL. to buy a light airplane (empty) , and towing a light trailer that came with the airplane back to AL. checked a tank of fuel at 24 mpg! - this truck had less than 20,000 miles on it. My '93 4x4 had 250,000 miles. -sold only because manual trans. needed rebuild & stiff ride, -wish now I would have kept :-) ... '06 vw auto Jetta diesel 40 to 45 mpg... '01 vw manual 5 spd.Jetta diesel 38 to 45 mpg., -tuned up...

  5. #155
    Platinum Member 3v0's Avatar
    Join Date
    Jan 2013
    Posts
    520
    Location
    Oklahoma Pan Handle, United States
    Tractor
    Kubota BX2200

    Default Re: Diesel truck with best MPG

    Obviously there are parts of the country with little rain and no salt on the roads in the winter. Older trucks from these areas do not have issues with rust esp frame rust.

    I have an 78 F150 Colorado truck and the only rust is above the rear wheel arches.

  6. #156
    Bronze Member
    Join Date
    Apr 2008
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    99

    Default Re: Diesel truck with best MPG

    When people say they pull 20,000 lbs and get 15 mpg on here i discredit the whole statement. Not going to happen unless coasting. I think most people that own these beasts see 17 +/-1 most of the time. Sure you might hit 20mpg for a 5 mile staight away. I know I cant make it a whole tank without towing anything, but looking at my lie o meter on my 07 5.9 cummins, I see 18ish and I know that is off by a few. ANd it aint reading low! I have 6 speed manual and a gear vendors overdrive. My 02 got around the same, my 98 12 valve got around the same, and my 97 7.3 was real close to that as well. Pulling 24,000 lbs I see 9. I need the secret recipe of getting 15 pulling 20,000 as I will change my style. Pulling enclosed trailer I get 10 which is 27' but high. I used a buddy's 07 duramax (lost cylinder #6 on stock truck at 87,000 miles and out of warranty) and I got the same mileage as my dodge. THey all are close. I just ordered a 13 5500 and I plan on getting 13 average. Cant compare against 2500 but dont read all the hype. Some one said 74mph, and 24 or 25 mpg. WHatever!!!!!!
    2011 5740HSTC with loader, Q/A, 6' root grapple, L2185 snowblower, 6'bush hog, logsplitter, concrete mixer,

    Sold:Grand L 3130 kubota with 724 loader w/grapple, BH 90 Backhoe w/18 and 30" buckets, L2185 6' front mounted snow blower, 6' bush hog, 30" logsplitter
    203 hours as 17 Sep 08

  7. #157
    Platinum Member sd455dan's Avatar
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    Oct 2012
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    898
    Location
    North Idaho
    Tractor
    Ford 3000-Rhino 554,Co-Op ,Honda ,Gilson riding mowers

    Default Re: Diesel truck with best MPG

    Quote Originally Posted by megaboz View Post
    OK for sake of argument I will you the 400 =800 argument (especially since I saw the same argument stolen from another site). But while you are running twice the rpm to do the same work, I am putting less wear on my engine because it isn't turning nearly as many times.


    Regardless, I like my diesel. I didn't say you had to.

    There is something missing here, about how torque moves vehicles not horsepower, You can have torque without horsepower but you can't have horsepower without torque because horsepower is just a mathematical derivative of the torque and rpm


    ( resultant moment of Force applied at a distance ) twisting force , the ability to move heavy objects from a dead stop. Take that equalizing equation, if the object takes all of the torque to get it moving, I can hear that gas engine revving twice as high, to get the horsepower and totally smoking the clutch trying to get the weight to start moving due to lack of low rpm torque.... or an automatic equipped gas engine barely moving the load because the gas engine isn't to it's torque peak so it stalls the converter and and doesn't have the torque to pull the RPMs up to get the load moving if it is not geared low enough.
    .
    Now I know this is an extreme example but there are cases where this has occurred, Diesels have an advantage in this respect... I guess one of the easiest ways to understand the way the vehicles act (feel) when moving heavy loads, is to actually pull a heavy trailer with two mathematically matched by horsepower, gas and diesel trucks.

    Once most people have pulled the same heavy trailer with the gas verses diesel- differences become obvious... now if you only tow once in a while and only over short /medium distances, gas is the way to go....
    Last edited by sd455dan; 04-27-2013 at 02:35 PM.

  8. #158
    Platinum Member sd455dan's Avatar
    Join Date
    Oct 2012
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    898
    Location
    North Idaho
    Tractor
    Ford 3000-Rhino 554,Co-Op ,Honda ,Gilson riding mowers

    Default Re: Diesel truck with best MPG

    Quote Originally Posted by dieselcrazy View Post
    I think as far as best mpg would be the first gen. Dodge cummins '92 - '97, and some in '98, 12 valve 5.9 liter. I've owned a 93 4x4 regular cab 5 speed with wide oversized tires, ran a tank through and checked it running 65 - 70 mph and got 24 mpg. Engine was stock.. I owned a '98 4x4 automatic 24 valve quad cab that best averaged 18 mpg. Owned a '99 4x4 5 speed quad cab, 18 mpg,, put a chip, intake, exhaust on, & on hi setting, still 18 mpg (normal driving). Owned a '06 4x4 automatic mega-cab stock, and normal to easy driving saw 16 to 18 mpg.. All Dodge w/ the cummins. My grandpa had a 2 wheel drive '93 or last year of the first gen. dodge WITH the overdrive, and saw 26 mpg driving from AL. down to FL. to buy a light airplane (empty) , and towing a light trailer that came with the airplane back to AL. checked a tank of fuel at 24 mpg! - this truck had less than 20,000 miles on it. My '93 4x4 had 250,000 miles. -sold only because manual trans. needed rebuild & stiff ride, -wish now I would have kept :-) ... '06 vw auto Jetta diesel 40 to 45 mpg... '01 vw manual 5 spd.Jetta diesel 38 to 45 mpg., -tuned up...
    My 03 3500 H.O. Cummins Quad Cab short box SRW 4x4 NV5600 3.73 axles
    Used to be driven 3000 miles one way, empty it could consistantly get 22 MPG hand figured on these trips...but I believe the #s are special as far as common rails are concerned because of these features of the HPCR 2003
    1) Non EGR, (no in cylinder egr cam either)
    2) No catalytic converter
    3) No dpf-or regen
    4) No extra injection events compared to later versions
    5) H.O. 305 hp 555lbs. torque not sure if the high output helps mileage or not - but that is how the truck is equipped

    I believe they also changed the pistons, head, turbo and made other (improvements?) the following years, would love the extra HP and torque - but not if I have to give up any mileage to get it-Have read multiple sources stating that installing hubs on the front axle that can be free wheeled is worth 1.5 mpg, and tuner maybe another 1.5mpg should be able to get 25 empty hiway at say 62 mph ... plausibly When funds permit the MPG improvers. Maybe other years are better but 22 empty at 62 mph hiway and ONLY hiway is excellent imo The lie O meter reads +- 28+ cruising on level ground at just over 60 when the hand figured mileage comes out at 22

    My vote for the common rails would be the above combo, but with 2 wheel drive and 3.42 or 3.23 axle if available...?? The first gens may still be the ultimate ticket ...mileage wise

    I do wonder what can be wrung out of the new Dodge 1500 that is rated at 25mpg with a few mods- as far as unloaded hiway mileage???
    Last edited by sd455dan; 04-27-2013 at 05:12 AM.

  9. #159
    Veteran Member CliffordK's Avatar
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    Mar 2013
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    1,202
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    Eugene, Oregon
    Tractor
    Toro D200, Ford 1715, International 884,

    Default Re: Diesel truck with best MPG

    Don't forget the 80/81/82 Diesel VW Caddy Pickups.

    A bit smaller than some of the others, but it is hard to beat 45 MPG or so in a pickup.

  10. #160
    Elite Member newbury's Avatar
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    From Vt, in Va, retiring to MS
    Tractor
    Kubota's - B7610, M4700

    Default Re: Diesel truck with best MPG

    Quote Originally Posted by CliffordK View Post
    Don't forget the 80/81/82 Diesel VW Caddy Pickups.

    A bit smaller than some of the others, but it is hard to beat 45 MPG or so in a pickup.
    It's not hard to beat if you don't have to carry anything.

    One of the problems with them, besides the incredibly small cab, was their load capability about 1,000 lbs MAX, that includes 250lbs for me.

    I owned a '79 VW Rabbit diesel, on one 400 mile trip, lightly loaded, it got 65 mpg. It usually got about 50 around town. But it had half or less the carrying capacity of my '09 VW JSW TDI which has gotten 47mpg.

    I like the carrying capacity of my dually (about 2 tons plus) and the MPG of my TDI, they both have their place.
    My rides - '95 Kubota M4700 w/ PEC, LA1001 FEL :'07 B7610, LA352 FEL, Bush Hog SBX 48 box blade, '09 Woods BH70-X w/ 16" bucket and thumb, 3pt pallet forks, Dale Phillips PHD, Jinma 8" chipper, 2 Piranha's, Winco 12KW PTO generator, Howse plow, 5' KK tiller, 5' Big Bee cutter, with a 2002 7.3L Ford F350 CC DRW 4x4 and '07 18' Hudson HSE Deluxe trailer - 5 Ton to haul it all

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