Rhein also advises not to reduce the requirements for the tipper chassis to ground clearance. "There are situations in construction sites or quarries that pose much greater challenges for the trailer chassis. There, the turning space is usually scarce. Tippers often have to make sharp turns, and drivers pull the loaded trailer sideways with a bend angle of up to 90 degrees when manoeuvring, often with the axle lifted. This exerts enormous shear forces on the trailer chassis. An overall resistant construction makes a good chassis. We ensure this with extensive product tests," explains the BPW expert. 
 

"Depending on the usage behaviour, we recommend either the ECO Air or Airlight II (AL II) units," explains Bernd Rhein. Both meet the highest requirements. "ECO Air bogies are used with an axle load of up to nine tons and reliably cover normal off-road requirements. Reinforced AL II bogies offer nine to twelve tons of axle load and are highly resilient, even in heavy-duty operations behind tractors with more than one drive axle. They are therefore the all-rounders in the BPW portfolio and are suitable for vehicles that are mainly used on the road and occasionally operate a road paver or drive on construction sites and in pits. For both product groups, BPW also offers special heavy-duty components such as particularly robust shock absorbers and air suspension bellows with reinforced bellows plates. 
 

Bernd Rhein has another tip for all fleet operators who calculate precisely: "Pay attention to the expenses for maintenance and repairs!" he says. A service-friendly design reduces downtime and optimizes operating costs (TCO). "BPW's modular concept, which enables the targeted and rapid replacement of individual components, is a decisive advantage here," argues Rhein. In addition, up to two hours can be saved compared to comparable products when servicing the disc brake on the three-axle unit, for example: thanks to the integrated hub puller according to the BPW ECO principle and the option of replacing the brake disc without dismantling the brake caliper.  

With the long and continuing service life of tipper trailers, value retention is becoming increasingly important. The decisive factor for profitability is not only the purchase price, but above all the residual value of the vehicle after many years of use. Permanent corrosion protection, which BPW guarantees with the help of cathodic dip coating with zinc phosphating as standard, is also important for this, as well as the BPW ECO Plus warranty of five plus three years without mileage limit on the hub, wheel bearing, axle beam, axle integration and supports. There are five years for the handlebar spring or cast iron handlebar with bushing and the brake caliper, three years for the brake cylinder, air suspension bellows and damper.  

And with tailor-made maintenance contracts, all maintenance and wear-related repairs to the complete chassis, electrics, EBS modulator and support legs are covered for up to eight years, including Europe-wide 24/7 breakdown assistance. The offer is rounded off with a complete digital vehicle file including an automated reminder function for due service appointments. 

BPW's axles are among the lightest on the market. With individual components, a further 54 kilograms of payload advantage can be achieved in the three-axle unit, which quickly pays off for the vehicle operator. "The BPW product range is extensive, especially in this transport segment. That's why we offer comprehensive advice to all customers. They should use this if they want to maximise the service life of the trailer and minimise its operating costs," Bernd Rhein sums up.