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Oshkosh reveals next generation S-Series, electric prototype mixers

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Oshkosh has evolved S-Series specs and technology features in lockstep with a broader shift in diesel-powered equipment—from mechanical to digital mind set. The next generation model premiered at the Oshkosh Convention Center gathering of front discharge mixer operators. PHOTOS: Concrete Products
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In a surprise twist, Oshkosh engineers capped the S-Series Reveal event unveiling an all-electric technology demonstrator model, with 8-yd. drum and prodigious batteries replacing diesel engine and exhaust treatment. A proof of concept vehicle that has successfully executed ready mixed delivery and placement duty cycles, the S-Series SDX 300 is subject to additional engineering prior to any formal field demonstrations and production planning. The SD stands for “silent drum.”

Sources: CP staff; Oshkosh Corp., Oshkosh, Wis.

Oshkosh assembled more than 50 ready mix producers from across the industry to unveil and open the order book for the new Oshkosh S-Series front discharge mixer truck. Measured against a legacy model introduced 25 years ago and upgraded in 1999, the new S-Series will have:

 • Better fuel economy and higher payload potential—equivalent to .25 to 1 yard, depending on state or market-specific axle specs—attributable to lighter, high performance powertrain and hydraulic power components;

• Lower maintenance requirements, reflecting simplified frame rail, reduced volume of parts throughout the vehicle, and movement of components from outer rails to less impact-prone points;

• Front and rear axle standardization, optimized around 39 states’ bridge law requirements and enabling quick 210-, 220- or 230-ft. wheelbase configurations; and,

• Driver-friendly features topped by a newly designed cab’s ergonomics, ease of ingress and egress, greater visibility, and increased storage space.

Also standard on the model will be FLEX Controls, a package of sensors monitoring key mixer functions and available in rear discharge models of sister brand McNeilus following a ConExpo-Con/Agg 2017 debut. Concurrent with the S-Series overhaul is the launch of ClearSky, an Oshkosh developed and managed telematics platform tailored to mixer truck fleets. When integrated with FLEX, ClearSky will offer ready mixed producers all-encompassing driver, customer, project, truck and fleet analytics.

The S-Series and Technology Reveal-themed unveiling was staged in early June at the Oshkosh Convention Center, near company headquarters. Oshkosh President and CEO Wilson Jones and senior engineering staff discussed the S-Series evolution in terms of an overall migration in diesel-powered equipment from mechanical to digital, Internet of Things-heavy operation. They underscored TCO, or total cost of ownership, as the driving force behind the S-Series engineering and upgraded specs.

Joining the host were representatives of lead partners on the S-Series development to discuss the role of their now-standard components: Cummins X12 engine in 380- or 430-hp ratings; Dana Corp. D46-172 rear tandem suspension; and, Kawasaki M7V variable displacement hydraulic motor. The Cummins and Dana components are key to the weight savings realized in the new versus legacy S-Series model, while the Kawasaki motor helps improve fuel efficiencies. New S-Series production will be scheduled with an eye to early-2020 deliveries.