The average full sized diesel pickup truck gets about 26 miles to the gallon which is about 10 miles to the gallon more than a gas truck. This is due to the fact that the diesel engine is far more efficient then the gas.
The average miles per gallon for a 24 Ford diesel box truck is 11 miles per gallon. The miles per gallon is dependent upon the driving conditions and the driver.
For an empty truck, it is around 16-18 mph.
Considering that a diesel pickup truck can't use gas I would say that there aren't any diesel trucks that get good gas mileage. If you were wondering which diesel truck gets the highest miles per gallon then I would say you should look at the Dodge Cummins diesel.
The cost per mile for a garbage truck varies somewhat with the price of diesel fuel and the age and condition of the truck. On average, the fuel cost per mile for a garbage truck is about $1.33 if diesel fuel is selling for $3.99 per gallon. The trucks generally average 3 miles per gallon of fuel.
Four to seven, depending on terrain, driving style, load, speed, etc.
A dump truck gets anywhere between 1 and 8 miles per gallon depending on the load and type of engine. Diesel engines get slightly better gas mileage.
This varies by terrain, truck characteristics and specs, and overall weight. With a Freightliner Columbia equipped with a 12.7 liter Detroit Diesel and an aluminum flatbed trailer, I was able to carry a maximum of 46,000 lbs (23 tons) with fuel economy of between six to nine miles per gallon.
Purchasing a diesel truck offers a number of pros including greater miles per gallon, and less maintenance (as there's no ignition system). Cons include a higher fuel purchasing price and expensive oil changes.
The Ford Ranger pickup truck equipped with a 2.5 liter turbo diesel engine has a MPG rating of 19 miles per gallon in the city and 24 miles per gallon on the highway. The actual miles per gallon is dependent upon several different factors.
35 gallon on a long bed, 33 on a short.
A 1990 F250 with a 7.3 liter diesel in it should get roughly 20 miles per gallon. This will decrease if you do not regularly have maintenance done on the truck though.