Yanmar TN107 and Sumitomo for the airport

Yanmar raised the bar for power ten years ago by stepping out of its comfort zone. It was 2018, at Intermat in Paris, when the 4TN101 and 4TN107 were unveiled. They gained immediate traction in Japan, as evidenced by the partnership with Kobelco, spotted at Smopyc three years ago, and the collaboration with Sumitomo.

Yanmar Provides Power to the Asphalt Paver Sumitomo HA60C-11

Appalti Engineering is currently using a Sumitomo HA60C-11 paver, powered by Yanmar, for the expansion of the runway at Abruzzo Airport in Pescara, Italy. It is an ideal machine for both thin and thick layers, capable of handling high production demands without compromise.

The ability to work continuously with a paving width ranging from 2.30 to 6.00 meters without extensions or removing side plates for transport is a decisive factor. Indeed, it opens up application possibilities that go far beyond the demanding work at Pescara Airport. Here, the machine operated with the screed at its maximum extension to maximize productivity; however, on ordinary jobsites, the paving width can be adjusted in a lean, fast, and efficient manner.

Another fundamental technical element is the Mold-board—the movable plates installed in front of the screed extension. Their primary function is to meter the material toward the screed. The hydraulically height-adjustable augers ensure constant filling, while the hydraulic adjustment cylinders guarantee a smooth flow of material. These features reduce the machine’s tractive effort while simultaneously increasing paving precision.

Furthermore, the Strike-off, installed in front of the tamper, distributes and pre-compacts the material before it reaches the tamper itself. This simple yet effective solution offers a twofold benefit:

It reduces tamper wear, resulting in lower periodic maintenance costs and it achieves material compaction superior to any other screed on the market, reducing the workload for rollers downstream of the paver.

Also in Eco-Mode

Sumitomo’s technical choices for the J-Paver screed are not aimed solely at optimal paving; the second objective is achieving very high overall efficiency. So much so that the Yanmar 4TN107 engine is rated at just 110 kW, which drops to 108 kW in Eco-Mode. This value is lower than the market average for pavers in this segment because higher power is simply not necessary. In fact, the integrated electronic management of the low hydraulic absorption screed, travel, and plate heating allows for reduced power and, consequently, lower fuel consumption.

The Sumitomo HA60C-11 is thus an advanced paver—a machine designed for high paving capacity with low operating costs, thanks to solutions that are currently unique to the market.

Additionally, the electronic management operates on three levels. In the event of an electronic board failure, it is still possible to proceed in manual mode, allowing the job to be completed or, at the very least, enabling the machine to be moved for transport to a repair shop.