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| Wirtgen half-lane asphalt milling machines are superior to any competitive design in four key areas: Cutters, Conveyors, Controls and Crawlers. Superior cutter design means thicker, heavier, more rugged wear-resistant material. Our Type II non-weld tooth holder is the best in the industry. Multiple cutter speeds are standard; tungsten carbide cutting edges are standard. Cutter housing components are much more substantial than competing makes, 2.25 and 1.5-inch-thick, versus 0.75 and 1.0-inch thick plates. Wirtgen rear discharge is a real plus for cold-in-place recycling, or pulverizing cold asphalt. Wirtgen employs seven bolt-on manganese-faced material discharge kicker paddles; competitive machines use fewer kickers fabricated of A-36 welded to the drum housing. Conveyor capacity of the Wirtgen half-lane models is far superior to competitive upper and lower conveyor designs. Wirtgen's lower conveyor neoprene rollers don't build up with material; side guide rollers are standard. Wirtgen's lower conveyor floats on the roadway while most other conveyor designs can't. Wirtgen 3-ply conveyor belts are a much higher quality than competitive 2 ply designs. Wirtgen conveyors reverse direction and come standard with variable speed control. Wirtgen's non-contact sonar control system is state-of-the-art. The non-contact feature saves countless delays when repositioning competitive clumsy caster wheel tracer units. Competitive hydramation systems have a floating null that requires the groundman to constantly measure depth of cut and adjust. The Wirtgen is a "set it and forget it" design, giving direct readout for depth of cut. Best of all, the Wirtgen four crawler track design also yields far superior features and benefits over three-track designs. A track in each corner is more stable, easier to transport, and won't tip over easily like three-track designs. Four tracks on the ground yield a bigger footprint to grip the roadway, while fewer pounds per square inch ground pressure prevents punching through asphalt layers or soft subgrades, seen with three-track models with over-capacity rear tracks. And the Wirtgen four-track design permits material discharge between the rear tracks, allowing operation of the machine and leaving the material in-place for pick-up later, or providing a one-machine, one-operator cold in-place recycling operation using the windrow. Back to Wirtgen Expertise Index |
