Maximising the daily grind

Tigercat's 6900 grinder has kept on making an impact in the forestry and landscaping industries in Australia since it was introduced by Onetrak last year.

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The Tigercat 6900 grinder is on a high: high production, high uptime, high throughput. Image: Tigercat

The first production grinder designed and built by Tigercat, the 6900 is a heavy-duty upswing grinder made for high throughput material reduction and mulch production.

Built around an upswing rotor and a gargantuan infeed capacity, the model is aimed at operations that need high throughput, long hours and minimal fuss — whether that's large-scale mulch production, land clearing, storm-damage cleanup, or integrated recycling yards that demand steady, reliable reduction of woody material.

The 6900 has continued to impress with its performance, aided by a series of demo days organised by Onetrak to highlight the proficiency of the machine.

The grinder is typically offered with a high-horsepower Caterpillar powerplant, paired to hydraulic and mechanical systems sized to keep the rotor turning under full loads for sustained shifts.

Fuel capacity and service intervals are designed to match the machine's intended applications: long runs converting whole logs, brush and residuals into saleable mulch or biofuel feedstock, with tanks and access points that reduce the need for frequent refuelling or disruptive downtime.