HAMM's new HX Series rollers , pivot-steered, intuitive operation, Easy Drive, Smart Compact digital assistant, comfort features.

Paving Corner: HAMM’s new HX Series rollers

May 19, 2023 / Paving Corner

HAMM’s new HX Series rollers achieve high degrees of precision in asphalt compaction with intuitive operation

HAMM has a new flagship in its fleet. Designed for asphalt compaction, the recently introduced HX Series pivot-steered tandem rollers have intuitive operation with Easy Drive, high-performance data, comfort features, sustainable operation, and the Smart Compact digital compaction assistant.

The HX Series rollers are available with approximately 17,000-pound (HX 70i) and 20,000-pound (HX 90i) operating weights. The rollers can achieve high degrees of precision on large construction sites and on tasks such as compaction in curves thanks to their pivot steering with a large turning angle, large track offset and four steering modes. There are nine total versions, including models with two vibrating roller drums, a vibrating roller drum and a set of wheels, and a vibrating roller drum and an oscillation drum.

HAMM’s Easy Drive operating concept combines an ergonomically optimized operator’s platform with a sophisticated operating structure, including self-explanatory operation for the HX Series. Machine function and operation is intuitive and quickly learned. Steering is performed with the steering wheel, while all other important functions are operated via the joystick or the multifunction armrest.

Smart Compact decides compaction automatically and individually for each drum. Operators only have to enter whether a base, binder or asphalt surface course is to be compacted. The digital assistant evaluates data about the condition of the asphalt and has the option to incorporate local weather data from an integrated weather station. This means that HAMM is the first manufacturer in the world to automate the separate settings of individual drums and is therefore raising process reliability and the quality of the compaction and surface to a new level.

Fuel savings, sustainability

The rollers’ engines work at a lower speed, which reduces fuel consumption as well as noise and exhaust gas emissions for more sustainable compaction. Powerful travel pumps ensure high compaction power, and the automatic engine stop switches the engine off after an extended period of inactivity. Smart Compact additionally saves up to 15% of fuel by switching off the vibration or oscillation as soon as it is no longer useful. Rollers can be operated with diesel or hydrotreated vegetable oil (HVO) fuel.

A foundation for high compaction quality is the intelligent drive control with automatic reversing. In combination with the electrically adjustable seat operating unit, it guarantees quality and comfort. It also brakes and accelerates the rollers quickly and smoothly. Plus, the seat turns automatically in the direction of travel when reversing, which is a unique market feature.


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