Recently, Allison Transmission announced that Ohara Corporation (Ohara Iron Works Co., Ltd.)'s new SM100S Antarctic snowmobile (Ohara released its first such product 10 years ago) will be equipped with Allison 4000 Series automatic transmission Box . The successful application of the 4000 series gearbox to the SM100S was a major milestone for Allison, demonstrating that Allison's product performance is trustworthy under the worst conditions.
Polar snowmobile
In the Antarctic region, snowmobiles are the only available ground vehicle in winter. In 2010, the lowest temperature in the world reached minus 93.2 degrees Celsius. When running in unimaginable harsh environments, snowmobiles need unmatched durability and reliability. The SM100S with Allison Transmission meets these requirements. The Antarctic observation team expects to travel more than 2,000 kilometers per year over the next 10 years, and the SM100S will support this activity.
Ohara chose to equip the Allison 4000 Series automatic gearboxes on the SM100S snowmobile because of its outstanding durability and reliability, as well as the previously operability of the Allison transmission. Due to the large frictional resistance and traction load, snowmobiles equipped with manual transmissions are always off during ignition or shifting, making it difficult to synchronize the clutch and throttle. In addition, each shift can cause sudden shaking and jolting, which can damage the goods. And if the driver is not familiar with the manual gearbox, he will often encounter operational difficulties.
Polar snowmobile
With the Allison automatic transmission, the SM100S snowmobile can operate smoothly without the need for clutches. Automatic shifting means that the shift operation is not affected by the driver's skill level. At the same time, the torque converter provides seamless shifting and Uninterrupted power. These features of the Allison automatic transmission reduce the strain on the driver due to the harsh working conditions and help protect the security of the Antarctic observation team.
Since the launch of the first and second SM100S in November 1991, each SM100S snowmobile produced by Ohara Corporation has been equipped with an Allison automatic transmission. In the past 20 years, it has never happened due to the speed change. The major accident caused by the box. The new SM100S snowmobile will serve on the 56th mission of the Japanese observation team and will leave Hong Kong on November 11th, 2014 for the Showa Base in Antarctica.
Allison Automatic Transmission
“The SM100S snowmobile was specially developed for the long-term Antarctic expedition. In the expedition, we often travel all day, and the automatic transmission does not require a clutch pedal operation, which greatly eases the driver’s fatigue. During the long-term expedition, Snowmobiles are not only used for transportation, but also provide us with campsites, which means that major mechanical failures will threaten the safety of the players. Even in polar environments, Allison transmissions are extremely durable and reliable, and they can be used to the maximum. Minimizing the risks associated with mechanical failures, including the risk of major threats to the lives of team members. This has greatly improved the mental outlook of the observation team. There are no more important advantages than this.†Former Antarctic Winter Observing Team Shinji Kuwahara said.
Prior to delivery, the SM100S equipped with Allison Transmissions was commissioned on the ski runs in Niigata, including pulling sleds in an Antarctic-like environment, and performing fuel consumption measurements and vibration measurements under various operating conditions. Minoru Baba, the pilot who took part in the trial operation, highly praised the 4000 series gearbox.
He said: "This is my first time driving the SM100S, but fortunately it is a dual-pedal automatic transmission. Everything is going smoothly. If using a manual gearbox, I have to operate the clutch pedal frequently, but using an automatic gearbox is not necessary. , I can focus on important tasks such as road conditions and loads."
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