Maintenance and Modifications
Development Nearly Done On New Honeywell T55 Engine
Revised Honeywell T55 turboshaft will have 25 percent more power, burn less fuel.

The updated version of Honeywell's T55 turboshaft engine is in the final stages of development, the company reported this week. The updated engine produces more horsepower, range, and useful load and is expected to demonstrate improvements in reliability and availability while cutting fuel burn and operating costs.