The Wirtgen SP 90i series of large slipform pavers — which permits paving from 6 to 30 ft. (1.8 to 9 m) — includes the two-track SP 92i, and the four-track SP 94i.

The "i" in SP 90i designates these pavers as having "intelligent" power and emissions control systems, and both the SP 92i and SP 94i are Tier IV final emissions compliant. Next-generation controls provide superior regulation of machine performance, and the diagnostic system has a standardized interface for quick, targeted service when necessary, according to the manufacturer.

The SP 92i and SP 94i's Eco mode system provides power on demand, automatically matching engine output to jobsite performance requirements, ensuring maximum engine efficiency, with reduced diesel fuel consumption and noise levels.

The new SP 90i series offers dowel-and-tie bar inserters, finishing beam, super smoother and many other options. It can be controlled either with stringline, or stringless by a variety of aftermarket systems.

The benefits of the SP 92i and SP 94i include increased accuracy, which leads to higher production with less hand finishing; machine flexibility to meet changing job site requirements; ease of use with a quick learning curve; and ease of troubleshooting, according to the manufacturer.

Its fully modular inset mold system permits paving of concrete slabs with central crown from 6 to 30 ft. wide, using automatic crown adjustment. Edge slump adjustment is done hydraulically, and concrete can be spread by spreading plow or spreading auger. The pavers can use up to 24 electric or hydraulic vibrators, the positioning of which can be adjusted hydraulically. The SP 90i series offers integral curb capability and zero clearance paving.

Both the SP 92i and SP 94i are powered by a Cummins QSL 9 diesel engine generating up to 310 hp. Depending on configuration, the SP 92i will weigh 65,000 to 100,000 lb. (29,483 to 45,359 kg), and the SP 94i 65,000 to 145,000 lb. (29,483 to 65,771).

For more information, call 615/501-0600 or visit www.wirtgenamerica.com.

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