The industry’s leading provider of auxiliary hydraulic kits for excavators.

Our kits include all components, instructions and support needed for complete installations of auxiliary hydraulic systems on excavators. HKX has an hydraulic kit specifically engineered for most excavators and attachment combinations with special attention given to accurate hydraulic flow and pressure.

Located close to Seattle, Washington, HKX works directly with the top six construction equipment manufacturers, their distributors and dealers, in addition to attachment manufacturers. All kits are designed to facilitate quick installations, with standard kits accommodating next-day delivery service within the US and Canada and airfreight service to Latin America, Asia, the Middle East and South Africa.