C4500 8.1 with allison.. Opinions?? Anyone with this setup?

Discussion in 'Trucks and Trailers' started by BLandscaping, Dec 18, 2013.

  1. dgregory

    dgregory LawnSite Member
    from NC
    Posts: 6

    I have a c5500 4x4 with 8.1 and get 5mpg loaded or empty. My 3500 and 4500 both duramax get around 10 mpg. Lots of trouble with wiring on both 4500 and 5500.
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  2. BLandscaping

    BLandscaping LawnSite Member
    Posts: 22

    @dgregory Do you think it being a 4500 and 2wd there would be much difference? I was hoping better than that, but I am not surprised.
     
  3. dgregory

    dgregory LawnSite Member
    from NC
    Posts: 6

    The 4500 is 2wd and has duramax. The best fuel mileage out of it is 12 miles per gal on interstate and empty.
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  4. dgregory

    dgregory LawnSite Member
    from NC
    Posts: 6

    Sorry I misread your question. I had a 2004 2500 4x4 with 8.1 and it still only got around 6-7 miles per gallon. It all depends on gear ratio, but I would not expect much more than 6 mpg. The lack of mpg would not bother me that much with the cost of diesel vs gas. When I last did the numbers I have to drive my diesels over 100,000 miles to break even. With all my gas trucks I start looking for a gas station at about 150 miles, and with the diesels I start looking at 250 miles.
     
  5. scagrider22

    scagrider22 LawnSite Bronze Member
    Posts: 1,272

    As somebody else said i have a 5500 with the 8.1, its ha a 10' dump bed on it and it gets about 6mpg. Its been a great truck, only issues ive had is with the rear fuel tank. We mainly use it for lighter loads like mulch, and fall cleanup. In the summer the hardscape crew uses it as an extra truck. It cant haul much weight but it tows really well for a small truck. Its definitely way more capable than a 3500.
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  6. SpudsM15

    SpudsM15 LawnSite Senior Member
    Posts: 627

    I have a 2006 with a duramax. Cad cab 2wd grain box. It'll get may 4-7mpg depending on towing weight.
     
  7. M & L

    M & L LawnSite Senior Member
    Posts: 291

    I LOVE my 2004 quad cab diesel 2 wd, Air ride seats and suspension, Pick up bed 22.5 rim/tires

    Not really like yours but,

    Not a single issue. (Except for dash cluster when a jerk stole my radio and trashed it in the process)
    Under cdl
    Huge brakes and stopping power
    Huge cab
    Tall ride height and great visibility
    Great business recognition

    The Allison is bullet proof
    8.1 should be more than strong enough

    Body/platform compares to a ford 650. Gm goes to the bigger platform, where ford uses the same up to 550

    Get ready to spend more on tires brakes etc, go to a place called diesel place dot com and see if the have a thread for the 8.1

    I look at fuel as a business expense and right it off
     
  8. F4rm3rj03

    F4rm3rj03 LawnSite Senior Member
    Posts: 343

    I own a C5500 with the 5-speed auto. Has the 8.1 motor. Currently I average 6.5mpg. This is with a 14' flatbed dumb weighing in at 12,300lbs with two employees, two full tool boxes, near full tank, and side-gates on. Overall a good truck. You can expect the engine to last to 200,000 miles based on what I have read and my experience confirms that at 215,000.
    I like it so much that after looking at the f550 and terra-star Im not impressed enough to spend $55-75,000 with what I see.
    I believe the c4500 shares many parts with the c5500
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  9. BLandscaping

    BLandscaping LawnSite Member
    Posts: 22

    I have actually found another truck similar to the one that was posted. It's a 8.1 with 30k but instead of the Allison it is a 6speed standard. Now I was looking mostly for a auto but I will be the only one driving this truck unless future employee can be trusted because this will be my landscape/hardscape truck. Truck is extremely clean and drives amazing. Could pick it up this week for 18k he was originally asking 20,000. Thanks everyone who has replied already.

    Also reason other truck fell threw truck had bad carfax report with a prior accident and he wouldn't move on the price.
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  10. M & L

    M & L LawnSite Senior Member
    Posts: 291

    Did you buy it !!
     

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