LONDON--(BUSINESS WIRE)--Technavio’s latest market research report on the global bus air suspension system market provides an analysis on the most important trends expected to impact the market outlook from 2017-2021. Technavio defines an emerging trend as a factor that has the potential to significantly impact the market and contribute to its growth or decline.
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The top three emerging market trends driving the global bus air suspension system market according to Technavio research analysts are:
- Aftermarket component inclusions within OEM-fitted air suspension systems
- Growing penetration of ECASS
- Use of air suspension systems in off-road vehicles in Europe
Aftermarket component inclusions within OEM-fitted air suspension systems
Fleet operators of commercial vehicles are upgrading pure airbags of air suspension systems to airbags with coil springs fitted inside them. This usually comes as an aftermarket upgrade from the factory built pure airbag air suspension system, which is prone to rupturing issues.
Manufacturers of custom-made airbag units for air suspension systems have also been offering variants for leaf springs and torsion bar suspensions. The need to reduce service and maintenance costs on air suspension systems is the primary factor driving the demand for these developments in the aftermarket. These new combo-systems, on the other hand, fit in well with the existing suspension systems, improving the work life of air suspension systems.
Growing penetration of ECASS
In most of the suspensions in low-floor buses, the height of the bus is controlled with the help of mechanical switches of manually controlled air suspension system (MCASS), by adjusting the air pressure in the airbags so that it can take the load comfortably and maintain the chassis level of the bus for boarding and deboarding of passengers.
In electronically controlled air suspension system (ECASS), the suspension is done electronically by sensing the load of the payload through sensors, solenoid valves, and O-rings that are located at multiple locations, while making reaction times quicker. In these systems, the height is independent of the payload. The system can also raise the body of the bus in off-road conditions as well as lower the chassis body during high-speed driving. It fully adapts to the varying road and speed conditions with no or minimal supervision from the driver.
“The main benefit of ECASS for buses is that it helps to reduce fuel costs, enhance engine efficiency, and makes the vehicles more environment-friendly. Some of the key features of ECASS include automatic adjustment of preset levels, lowering and short lifting of vehicles due to increased width of valves, constant chassis leveling for any load application, and actuation by remote control for essential functions comprising traction assist, driving levels, and stand-by operation,” says Siddharth Jaiswal, a lead analyst at Technavio for automotive components research.
Use of air suspension systems in off-road vehicles in Europe
There has been a rise in the adoption of air suspension features in European off-road vehicles, particularly by medium and heavy commercial vehicles of OEMs such as Paccar, Scania, MAN, Mercedes-Benz, and Renault. In Paccar's heavy-duty trucks, air suspension is used in models such as DAF XF, DAF XF105, DAF CF, and DAF LF (has optional air suspension). Scania uses air suspension in models such as the P-series and G-series trucks, which come equipped with front suspension with parabolic front springs. MAN offers ECASS in its off-road vehicles. Renault provides air suspension in its off-road truck models such as D-trucks and T-range trucks.
“The inclusion of air suspension systems helps to improve the comfort and safety of buses as well as downsize the suspension weight as most hydraulic-mechanical components are eliminated. Countries like India and China are mandating the installation of air suspension systems in commercial vehicles, especially in heavy-duty buses to increase the safety of inter-city and intra-city transportation,” says Siddharth.
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