Engine Cooling Systems

API Heat Transfer is your global source for complete engine cooling solutions. We engineer integrated thermal management systems specifically designed for the rigorous requirements of mobile and industrial customers operating across diverse markets, climates, and duty cycles worldwide.

Understanding the challenge:

Modern engines face unprecedented thermal demands. Long-haul trucks must handle sustained high-speed operation and heavy towing loads. Off-highway equipment operates in extreme temperature environments and challenging terrain. Power generation systems run continuous duty cycles with zero tolerance for thermal failure. Rail locomotives, military vehicles, and specialty platforms demand reliability in the harshest conditions. Each application presents unique cooling challenges—and one-size-fits-all solutions don’t work.

Our approach:

We focus our engineering expertise on the markets you serve. By deeply understanding your specific application—whether long-haul trucking, construction equipment, stationary power generation, or military platforms—we engineer complete engine cooling packages that balance performance, weight, footprint, and cost. From component design through full system integration, our team collaborates with OEMs to co-engineer solutions tailored to your exact operational demands.

Comprehensive technology platform:

API Heat Transfer offers the broadest, most complete air-cooled product lines available, allowing us to customize solutions for any thermal requirement:

Aluminum Technologies (CAB or Vacuum-Brazed)

• Bar & Plate – Flexible design with infinite configuration options for varied cooling loads
• TBAR – High-durability patented construction for pressure-cycling and extreme duty applications
• Micro-Channel – Precision efficiency for high heat rejection in compact envelopes
• Tube & Header – Cost-effective, proven designs for diverse engine platforms

Copper-Brass Technologies

• Mechanical-Bond – Durable construction for rugged industrial applications
• Soldered – Traditional technology for proven, long-term reliability
• Bolted Tank – Robust, repairable construction for heavy-duty, long-service-life requirements

Why customers choose our engine cooling systems:

• Market expertise – Decades of experience cooling long-haul trucks, vocational vehicles, buses, off-highway equipment, rail locomotives, power generators, military platforms, and specialty applications
• Custom engineering – Every system designed for your specific duty cycle, not generic compromises
• Complete integration – Radiators, charge air coolers, oil coolers, fans, controls, and ancillary systems engineered as one unified package
• Proven performance – Even under the harshest conditions, your engine has more power to perform
• Global support – Experienced engineering teams across North America, Europe, China, and worldwide
• Single-source responsibility – One partner for design, manufacturing, testing, and support
• Technology flexibility – Select from aluminum or copper-brass, brazing technologies, fin geometries, and construction methods optimized for your application