For more than 150 years, Ingersoll Rand (IR) has provided businesses with high-performance industrial tools, available in Canada through Dobco Equipment Ltd. Among its offerings is the ARO brand of air motors, featuring over 200 models, including the KK5B series—a durable, piston-driven solution for winch and hoist applications. These motors serve as a reliable, flexible alternative to electric power sources.
Key Advantages of ARO Air Motors
ARO air motors stand out for their ability to harness natural air power, delivering efficiency and versatility across industries. Key benefits include:
- Variable speed and torque control with instant start, stop, and reverse functions.
- Overload resistance—capable of stalling without damage, overheating, or burning out.
- Safe operation in hazardous environments, thanks to cool-running performance and no spark risk.
- High design flexibility, with multiple mounting options for diverse applications.
KK5B Series: Built for Heavy-Duty Performance
The KK5B series features direct-drive piston air motors with a radial piston design, engineered for winch and hoist operations. These rugged motors excel in demanding conditions, offering adjustable speeds and torque. Available in flange or foot-mounted configurations, the series includes two reversible models:
KK5B546
Max Power: 21.6 kW
Torque Stall: 300 ft-lb
Free Speed: 1,800 RPM
Starting Torque: 248 Nm
Air Consumption: 22.5 m³/min at max power
KK5B550
Max Power: 22.3 kW
Torque Stall: 325 ft-lb
Free Speed: 1,750 RPM
Starting Torque: 274 Nm
Air Consumption: 21.4 m³/min at max power
Both models weigh 113.9 kg and measure 42.29 x 45.12 cm, ensuring robust performance in industrial settings.
Why Choose ARO Air Motors?
With Ingersoll Rand’s legacy of innovation, ARO air motors provide a cost-effective, low-maintenance solution for industries requiring reliable, spark-free power. Their adaptability and durability make them ideal for applications where electric motors fall short.
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