The new Cat® HM6015 mulcher

The new Cat® HM6015 mulcher offers reliable performance and easy maintenance, and keeps safety a priority.

Caterpillar is pleased to introduce a new mulcher, HM6015, to fit Cat® excavators and wheeled-excavator machines. The HM6015 delivers the reliability to meet customer needs in tough forestry applications.

HEX and WHEX The new Cat HM6015 Forestry Mulcher is purpose-built for use in land-management applications such as clearing right of way, roadside maintenance, removal of invasive species, vegetation management, and many more. The HM6015 model is the latest addition to Caterpillar’s current offering of mulchers on excavators customers are already accustomed to. This model is a new solution for HEX and WHEX machines in the 27-ton to 36-ton class at a market-based price, and is supplied with a bite-limiter rotor.


For machine compatibility, bolt-on brackets, hydraulic connecting lines, case drain lines, and a wiring harness will be offered as separate line items to an order. This provides the flexibility dealers and customers need to fit multiple machine models.

The mulcher head includes a hydraulic door designed to minimise debris throw and improve material refinement, as well as a staggered tooth design for high productivity, minimising stalling the head.

Additional features include replaceable counter blades, bolton replaceable skids, replaceable protection chains, bolt-on replaceable carbide teeth cutters, multiple service access panels, and a replaceable poly chain belt.

The HM6015 delivers the reliability to meet customer needs in tough forestry applications. Image: Caterpillar


With its easy-to-maintain design, the HM6015 incorporates a number of safety features to protect both workers and equipment at the jobsite.

With the addition of the new Cat HM6015 model, Caterpillar now offers a mulcher attachment for Cat front-reach machines from 11 tons to 36 tons (10 tonnes to 32.7 tonnes), and longreach front machines from 40 tons to 52 tons (36.3 to 47.2 tonnes).

Key components on this mulcher contributing to its consistent, reliable performance include:
• The variable torque hydraulic piston motor shifts between high speed/low torque and low speed/high torque to deliver speed when it’s needed and power when it counts, and
• Hardened counter blades mounted inside the housing help break down the finished material, which can increase the rate of composting.

Maintaining the HM6015 mulcher is fast and simple. Multiple service panels on the machine provide easy access for quick adjustments, and internal components can be easily removed in the field through the access panels, further simplifying maintenance and reducing downtime. The poly chain belt-drive transmission eliminates slippage on startup, increasing reliability and reducing maintenance costs, and most of the wear parts are made to be field-replaceable to keep the HM6015 working at peak efficiency.

The ability to adjust the hydraulic mulching door allows the operator to control the material throw, which also increases operating safety, especially critical on roadsideclearing applications or when working near powerlines. Groundlevel primary grease points make daily maintenance easier and safer.

A complete list of mulchers, listed by region, is available from the local Cat dealer or by visiting

Image: Caterpillar


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