Air Cooled Oil Coolers
High-efficiency air-cooled oil coolers (ACOCs) for aerospace applications, using ambient airflow for effective heat dissipation and simplified system design. These lightweight, compact solutions deliver high thermal performance, maintain optimal oil temperatures, and reduce maintenance ensuring reliable operation in demanding environments.
.png%3Fh%3D402%26iar%3D0%26w%3D528&w=3840&q=75)
Product Details
AMETEK Hughes-Treitler's air‑cooled oil coolers are engineered as fully custom solutions, designed to match the exact thermal, mechanical, and spatial requirements of each application. We tailor every unit to integrate seamlessly within aircraft and defense platforms balancing weight, airflow, pressure, and performance constraints.
Customized Solutions for Every Platform
Hughes-Treitler provides customized Air-to-Air Heat Exchangers for a variety of platforms, including military and commercial applications.
.jpg%3Fh%3D750%26iar%3D0%26w%3D1000&w=3840&q=75)
Military Aircraft
A Legacy of Cooling Military Aircraft
High-performance air cooled oil coolers for military aerospace applications, serving fighter/trainer, transport/refueling, rotary, and UAV platforms. Built for durability in demanding missions, with comprehensive aftermarket support and military space readiness across global operations worldwide.
.jpg%3Fh%3D750%26iar%3D0%26w%3D1000&w=3840&q=75)
Commercial Aircraft
Reliable Cooling for Commercial Aircraft
Advanced air-cooled oil coolers for commercial aerospace applications, supporting widebody/narrowbody, regional jets, business jets, rotary, and eVTOL/UAV platforms. Designed for reliable cooling performance with full aftermarket support across the entire service lifecycle globally and efficiently.
.jpg%3Fh%3D750%26iar%3D0%26w%3D1000&w=3840&q=75)
Land Vehicles
Rugged Solutions for Land Vehicles
Robust air cooled oil coolers for military land vehicles, supporting main battle tanks, radar systems, missile launch platforms, and laser applications. Engineered for reliable thermal control in harsh conditions, with performance built for mission-critical environments across global operations.
.jpg%3Fh%3D750%26iar%3D0%26w%3D1000&w=3840&q=75)
Helicopters
Rotary Aircraft Engine Cooling
Helicopter operations place continuous demands on lubrication systems. Our air cooled oil coolers help regulate oil temperatures efficiently through a lightweight, space-conscious configuration, supporting consistent performance, extending component life, and maintaining dependable operations.
Proven Performance
With more than 75 years of experience, AMETEK Hughes-Treitler has delivered custom thermal management solutions for leading military and commercial aircraft programs. Backed by proven engineering expertise and reliable performance, Hughes-Treitler continues to support aerospace applications around the world.

Proven Performance
Auxiliary Power Unit Oil Cooler
AMETEK Hughes-Treitler provides this ACOC to major airborne gas turbine engine platforms. It provides controlled temperature lubricating oil for these engines.
.jpg%3Fh%3D420%26iar%3D0%26w%3D1408&w=3840&q=75)