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Gross 52,000 lbs
Well, this is going to remain an unknown without knowing the vehicle type and configuration. A tandem axle truck can typically have a gross weight of 54,000 lbs. This would typically allow 13 - 15 tons of freight to be carried. A Class 7 single axle truck which is registered as such can have a max GVW of 33,000 lbs. on Interstate highways, which typically permits 7 - 9 tons of freight to be carried. A Class 6 single axle truck is below weight requirements for a CDL, and is allowed a max GVW of 26,000 lbs, which normally allows five tons of freight to be carried.
20,000 on the steer axle, 34,000 on the drive tandems together.
ABOUT 23,000 LBS ABOUT 23,000 LBS
Need to know the specific model and configuration (e.g., single axle, tandem, tri-axle, quad axle, centipede) in order to answer this.
Depends on the truck's specs. A US beverage distribution truck hauling a single axle trailer would be permitted between 54,000 and 56,000 lbs gross weight, whereas single axle tractors pulling tridem trailers in Europe and permitted a gross weight of 44 metric tons (about 97,000 lbs.)
It allows more weight to be carried. Bear in mind, it's only a pusher axle if it's located in front of the drive axle(s) - if it's behind, then it's a tag axle.
There's no such thing as a one axle truck. There has to be a minimum of two axles. "Single axle" if a term referring to a truck with only a single drive axle, and doesn't count the steer axle. Same with "tandem axle", "tri axle", "quad axle", and "quint axle".
Depends on the type and configuation. In the US, the max weight allowance for a single axle truck is 33,000 lbs. GVWR (some states will allow 35,000 for intrastate operation), while a tandem axle truck has a max GVWR of 54,000 lbs.
What's the configuration? For a single axle straight truck, the allowed interstate gross weight is 33,000 lbs. For a tandem axle straight truck, it's 54,000 lbs. For a tractor-trailer, it's 80,000 lbs.
Assuming you're referring to a quint axle truck, that'll depend on a number of factors, the first being the axle weight rating of the axle you had in mind. Others will include what the state allows in accordance with the bridge law formula (meaning wheelbase of the vehicle factors into this, as well).
Well, the question is really too vague to be answered. You said gross weight, implying you want a loaded weight. Volvo manufactures and sells many different models of trucks worldwide. We have no way of knowing if you're referring to a Volvo truck in the United States, South Africa, Australia, the United Kingdom, etc. The allowable gross weights will vary between jurisdictions. Also, you did not say what configuration of truck - again, for all we know, you could be referring to a single axle straight/rigid truck, a tandem axle, a tandem axle with additional lift axles, tandem axle twin steer, single axle articulated truck, tandem axle articulated truck, etc. Typically, however, a sleeper cab truck and daycab truck are allowed the same gross weights.