Meritor recently made hydraulic actuation available on all ELSA disc brakes, and added new severe-duty front-drive and tridem rear axles.
The new brake option is for applications requiring hydraulic disc brake variants.
Built with a modular design, the mechanical, pneumatically operated brake housing of the current ELSA range is replaced by a hydraulic single- or twin-piston variant. The bridge, carrier and slide pin arrangements remain common for pneumatic and hydraulic variants, the company said.
Pads also can be common and will be available in pad areas from 107-226 square centimetres. The new option covers brakes for wheels between 17.5 and 25 inches. Rotor diameter varies from 324 mm to 500 mm.
“The hydraulic variant supports current applications and specialty applications, as well as eMobility vehicles where the industry’s dependence on pneumatic systems has been reduced to a point where it becomes advantageous to work with hydraulic systems,” said Tony Nicol, Meritor’s vice president for front and rear drivetrains in Europe.
As with all ELSA products, the hydraulic variant can be manufactured for all global regions to support OE product development and initiatives, Meritor said.
“Manufacturers can now readily install a pneumatic or hydraulic ELSA brake on the same wheel-end arrangement to reduce production complexity, tooling and engineering development costs,” Nicol said.
Meritor’s new MX-610 front-drive axle and MZ-610 tridem rear axle are designed to operate in extreme conditions.
“The front-drive steer axle and tridem are the next-generation axle combinations from our award-winning 610/P600 series and two of many new products Meritor is bringing to market as part of the company’s M2019 growth initiative,” Nicol said Tony Nicol. “Our state-of-the-art manufacturing and assembly system delivers the quality our customers expect for severe-duty applications.”
The MZ-610 tridem offers wide-ranging axle ratings and high ground clearance, as well as a gross axle weight rating (GAWR) of 60 tons and gross combination weight (GCW) of 210 tons. It fits ELSA brakes in a double-caliper configuration to offer high-rated torque with compact packaging.
Its small product envelop is capable of mounting 20-inch wheel rims and offers a steering angle up to 42 degrees. A detachable tandem is optional.
Meritor's new proportioning inter-axle differential delivers even torque split between the three axles to maximize traction, load capacity and longevity of the drivetrain. With five differential locks and hardware for optional central tire inflation systems (CTIS), the MZ-610 is equipped for the most demanding applications.
The MZ-610 tridem’s wide ratio coverage from 4.11 to 7.21 with standard drum or disc brakes delivers safety and performance for vehicles operating in extreme conditions. The faster ratios support downspeeding to reduce fuel consumption.
“High tractive force in all driving conditions increases vehicle productivity,” Nicol said. “An optimized design delivers high power density to handle greater payloads and offers durability and reliability that improves uptime.”