F700 5.9 Cummins or 7.8 Ford diesel - Diesel Truck Forum - TheDieselGarage.com
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post #1 of 4 (permalink) Old 10-21-2016, 01:52 AM Thread Starter
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F700 5.9 Cummins or 7.8 Ford diesel

Looking to buy a new dump truck for our farm. Looking for a 25-33k gvwr with air brakes and Diesel engine. Truck will be used to haul stone, dirt, logs, debris and tow our 17k pound excavator. Mostly within a 20-30 mile radius and not much major highway. I would love to have an international with a 466 and a 6 speed but I have been looking for a year and haven't had any luck finding any in my price range. I need to go ahead and get a truck since I am getting ready to start a big project. There are two trucks I am trying to decide between.

93 F700 with 5.9 Cummins and auto with 125k miles. 31k GVWR. Asking price about $1000 more than other truck.

The other truck is a

91 Ford F700 7.8 diesel 6 speed manual with 158k miles. 33 gvwr

I know neither one is a power house and that's ok. We aren't planning on driving in heavy traffic or up any mountains. We just something that will be reliable and will do the job. Which one would be my better bet?
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post #2 of 4 (permalink) Old 10-22-2016, 12:25 AM
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Man those 7.8 's were great, reliable engines. Quiet too!
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post #3 of 4 (permalink) Old 10-26-2016, 02:43 AM
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The 7.8 will be better at heavy loads. The Cummins is easier to find parts for.
They may not be a powerhouse from the factory, but both can be easily turned up.


my daily driver:67 F100, 300 4V, cammed, 4 spd.
or, 08 Subaloser Forester, 2" lift.
work rigs: 94 IH 4900, DT466(originally 230hp), #0 fuel plate, tighter gov springs, 22* timing
or, 06 IH 7400, DT466E, 300hp

My Low Buck fuel rate site:
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post #4 of 4 (permalink) Old 10-29-2016, 11:52 PM
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ford 700 92

Originally Posted by QUALITYTRUCK View Post
Man those 7.8 's were great, reliable engines. Quiet too!
what diesel is it please
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