Kind of went the way of the dinosaur as better fuel efficient, less drag, wind resistant models were introduced.
Volvo manufactures trucks worldwide, and in a number of configurations. These may be cab-over-engine trucks, or they may be conventional/bonneted trucks. A model would be needed in order for this question to be answered with any accuracy.
The cab sites over the engine, as opposed to a conventional/Arctic, where there is a hood, and the engine sits in front of the cab.
The benefits of cab over trucks include shorter wheelbases, which makes it easier to attach a trailer and it's easier to maneuver. You can get more information about Cab Over trucks at the Wikipedia. Once on the page, type "Cab over" into the search field at the top of the page and press enter to bring up the information.
A cab over engine truck is a truck where the driver's cab is on top of the engine. When the engine needs to be repaired, guess what happens? The whole cab tips forward to give the mechanic a look.
FH is a larger cab, and, IIRC, can be had with the D16 engine.
I wondered the same thing after a long road trip in the USA and not seeing a single one. Part of the story is that the length limits were once much more strict so having a shorter semi-tractor truck allowed them to have a longer trailer and carry more cargo. Cab-over trucks were ideal for this. Another consideration is that the longer wheelbase front-engine style trucks are said to have a better ride and cab-over trucks are awkward to service because everything in the cabin falls forward when you tilt up the cab. Some claim that aerodynamics are better for non cab-over trucks but that's hard to verify and probably varies widely. Finally it's worth noting that in Europe most trucks are still cab-over type because they are more maneuverable and distances are shorter. Fuel is even more expensive in Europe too, so if there was a tremendous aerodynamic difference there would be a strong incentive to use whatever truck design had the best fuel economy.
Stock trucks came with a 318cu, and regular (single) cab. Anything else was a upgrade. mine came with a 440 big block stock and mine is a single cab half ton.. had to put a four barrel carb on it that was over 700cfm to run right
"Conv. cab" typically refers to a conventional cab, which is a type of truck configuration where the cab is located above the engine, providing better visibility and easier access to the engine for maintenance. This design is often used in medium to heavy-duty trucks and is favored for its stability and ease of maneuverability. Conventional cabs are commonly seen in long-haul trucking, as they offer more space and comfort for drivers.
Special army trucks, called amphibious trucks, can travel and land and through shallow rivers. The underside of the truck is tightly sealed so that water can't flood the cab or engine. This seems sort of useless, but it helps in some cases.
The crew cab is a popular feature on many larger pickup trucks. Models that come with crew cabs include the GMC Sierra, the Chevrolet Silverado, and the Dodge Ram.
If you mean: "can the sonoma 4.3v6 run with the fuel pump for the sonoma 4.3v6 crew cab?" the answer is yes, as long as both trucks have the same engine they are the exact same pump. If the crew cab you are refering to is a full size gmc, or another make (except chevy s-10 of the same year and engine) or engine size of vehicle the answer is no, don't even try it.
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