Semi-trailer - towing, working with long-length trailers.The machine is equipped with a fifth wheel device types with spectacular slot, into which the stem of the towed vehicle.
Powertrain
modern tractor has a sufficiently high performance.In the engine compartment of the car has a powerful diesel engine, which allows you to reach speeds of up to 120 km / h.
Advantages and disadvantages
truck tractor has a number of advantages compared with conventional trucks towing:
- trailer is easily transformed into a trailer, as the fifth wheel for all machines and the same can be used in single-axle road train additional carts.Connection of the intermediary provides the opportunity to significantly extend the base train.
- on unloading platform trailers and semitrailers can be rearranged if necessary, with the truck tractor towing a special shunting.
- Interchangeability trucks and trailers practically one hundred percent, it is possible in a few minutes to change from one platform to another load.
- truck tractor can move backwards and to perform any maneuvers with the semitrailer.
- capacity for maneuver during the forward movement is much higher than that of a standard truck-trailer of the same length.
- truck tractor has a high efficiency, which can significantly improve transport efficiency and reduce their costs.
- favorable ratio of dead weight to lifting capacity.
- possibility to transport loads up to 24 meters long.
European and American standards in the United States
common type of tractor bonnet when the engine and transmission are located in front of the car, under the hood.European machines are arranged in a different way: the power plant is located under the cab.In this case the cabin loses in comfort, but for the driver's just wonderful.Tractor units in Europe usually biaxial, with a short base.American cars in the vast majority of a three-axis design.This choice is dictated by the desire to increase capacity.Cargo truck tractor manufactured in Europe is equipped with ventilated disc brakes on American cars only drum machines.On-board electrical network of American trailers operated at a voltage of 12 volts, European cars are standardized under the load of 24 volts.
"Volvo" truck tractor
Swedish car company Volvo Trucks Corporation ranked second in the world for the production of heavy trucks.All models have a high level of concern safety and increased comfort.More than a third of its production company sends in the US, while the car has to accompany each set of services, spare parts and tools as well as the unification of the Swedish and American tractor trailers in terms of repair kits is zero.
"Volvo" (tractor series FH) - is a machine for particularly long-distance transport, equipped with beds, a refrigerator and a kitchenette.It is the most popular.FM Series cars lighter, designed for short and medium flights between near cities and regions.The third category of Swedish trucks series FL, - it is easy to transport tugs in the city.Also, these machines work on the export of waste, household waste and other cargo-related utilities.
Cars brand "Volvo" almost all modifications are successfully operating in Russia.Machine superreliable relatively inexpensive to maintain, has a wide range of applications.
powerplant for "Volvo" - a brand engines Cummins.Previously established Caterpillar and Disel Detroit.Robotized or automatic transmission - ZF-Meritor and Eaton-Fuller.
Tractor Belarus manufacture
trucks, towing produced by Minsk Automobile Plant, are intended primarily for long-distance travel in the international format.Truck tractor MAZ - a modern machine with excellent performance, relevant environmental standards Euro-4.Minsk Tractor production are equipped with diesel engines of various modifications YaMZ capacity of 310 liters.s., allowing speeds of up to 100 km / h.
truck tractor MAZ - quite comfortable car, the cabin is equipped with a sleeper cab heating is carried out by heating the antifreeze special compact heatsink transfers heat to the air through the vents in the bottom of the cabin space, from where it is distributed evenly throughout the cabin.In the hottest time in the car has air conditioning.
machine configured according to European standard, the engine is located under the cab.However, the latest models of MAZ trucks are manufactured in the bonneted version, such as the model of the MAZ-6440.
KamAZ truck tractor
Russian company "Truck Holding" produces universal car tugs at the plant in Naberezhnye Chelny.Tractors Brand KamAZ is the backbone of vehicles adapted to work with different platforms.Among them - Tipper semi-trailers, tanker, timber-trailers, concrete mixers, cranes-manipulators.
KamAZ (tractor) - reliable economical car with several variants of arrangement of the cabin.The car has good sound insulation, moves almost silently.It has a large tractive force, the machine capacity is 62.7 tons.
Car operation is accompanied by the support of the manufacturer in the first two years of guarantee repair and maintenance.Maintenance is also the responsibility of the supplier.In addition, the service extends to the repair and maintenance of the engine through a separate program, regardless of the general scheme of the warranty period.
cost
Semi-trailer - is a special purpose vehicle, its operation is governed by certain rules, and the efficiency is higher than that of conventional vehicles.Therefore, the high cost of the machine quite justified guaranteed income while using it.
tractors, the price of which is generated based on the year of manufacture and condition, can cost from 320 000 to 1 800 000 thousand rubles.New tractors are valued at another scale.Their value is determined depending on the configuration.Knowledgeable experts when choosing a machine preference tractors brands "Volvo", "Scania" and "Iveco".These vehicles have proven themselves over its lifetime.
