You can now spec the Allison 4700 Rugged Duty Series (RDS) series automatic transmission in the Western Star 4700. Intended for rugged off-road and vocational applications such as construction, dump, and oil field, the combination of the Western Star 4700 with the Allison 4700 RDS is said to provide more efficient vehicle performance.
The Allison 4700 RDS transmission features ‘2nd Reverse’, which offers a second deep reverse gear in addition to the standard reverse to provide greater control and engine braking during operation on steep grades. Other benefits include primary and secondary shift schedules to enhance fuel efficiency; seamless full-power shifts for faster acceleration; and ease of startability.
Available with the Detroit DD13, Cummins ISC, or Cummins ISL engines, the 4700 truck features a mid-BBC configuration. It can also be spec’d with Allison 3000, 4000, and 4500 RDS transmissions.
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