Now the complete drive can be seen not only on SUVs and crossovers, but on sedans.
Now the roads you can meet a large number of AWD vehicles that are marked 4WD and AWD. We know that it is all-wheel drive cars, but they differ from each other?
4WD is a all wheel drive when the torque is always distributed between the axles in a predetermined ratio. A car with a similar type of drive are often equipped with differential lock, which improves off-road performance. Is connectable four-wheel drive and permanent four-wheel drive.
AWD is all-wheel drive, which is enabled automatically. When the computer “sees” the wheel is slipping, it connects to another bridge.
In short, one type of all-wheel drive good for off road and one for travel on slippery and snowy roads.
As you know, the ancestor of all modern SUVs were Jeep. After the Second world war he served as an example for the development of four-wheel drive vehicles. Active development began in the 1950-ies, and now went to a whole new qualitative and quantitative level.
Now the complete drive can be seen not only on SUVs and crossovers, but on sedans. Most pickups and SUVs may have 4WD as standard equipment or as an option. But front-wheel drive crossovers and “passenger” cars are often AWD.
What type of drive is best suited for a car enthusiast, depends on many factors. For example, the type of vehicle and how much snow there winter in the region of residence.
Snap-wheel drive 4WD (Part Time 4WD) is the most simple, reliable and inexpensive system (though it has drawbacks) depending on the driving situation is connected 4WD.
In our days the vast majority of pickups and SUVs use permanent all-wheel drive (Full time 4WD). This system must have a lock cross-axle and inter-axle differentials. Most often, permanent four-wheel drive use on the crossover for better handling and dynamics of dispersal.
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