Redmac Coolant is a high-performance engine coolant designed to protect and extend the life of diesel and petrol engines in all types of machinery and vehicles. Whether you’re maintaining agricultural equipment, construction plant, trucks, or commercial vehicles, Redmac coolant provides exceptional heat transfer, corrosion protection, and year-round reliability.

Our coolant is formulated with advanced additives that help prevent rust, scale buildup, and cavitation in your engine’s cooling system. It helps regulate engine temperature during extreme conditions. Whether in scorching summer heat or freezing winter cold—ensuring optimal performance and preventing overheating or freeze damage.

Redmac Coolant is suitable for use in a wide variety of equipment brands, including Caterpillar, Komatsu, JCB, Volvo, Hitachi, and many more. It meets or exceeds key industry specifications and OEM requirements, making it a trusted choice for operators in construction, quarrying, transport, and agriculture.

Available in both pre-mixed (ready-to-use) and concentrate formulas, Redmac Coolant is offered in multiple sizes including 5L, 20L, and 205L drums to suit everything from small machines to large fleets. The pre-mixed option provides convenient, no-hassle top-ups, while the concentrate allows flexible dilution ratios depending on your needs.

With its long service life and compatibility with most common engine metals—including aluminium and cast iron—Redmac coolant helps reduce maintenance frequency, extend engine life, and keep your equipment working efficiently in any season.

At Redmac, we focus on delivering quality fluids backed by fast delivery and expert support. Our coolant is tested and trusted by professionals across Ireland who rely on their engines to perform day in and day out.

Protect your engine with Redmac Coolant—built for durability, temperature stability, and long-term performance.