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Tigercat releases 890 logger - its largest forestry machine to date

Canada-based forest machinery manufacturer Tigercat Inc. has announced the introduction of the largest machine in its forestry equipment line-up – the Tigercat 890 Logger. Weighing in at 47.9 tonnes (105 600 lbs), the heavy-duty, purpose-built forestry carrier can be configured for loading, shovel logging or processing.

Tigercat Inc. has announced the introduction of the largest machine in its forestry equipment line-up – the Tigercat 890 logger. Weighing in at 47.9 tonnes (105 600 lbs) the heavy-duty, purpose-built forestry carrier can be configured for loading, shovel logging or processing (photo courtesy Tigercat).

Powered by a Tigercat FPT C87 engine that delivers 245 kW (330 hp) at 2 000 rpm for Tier 2 and Tier 4 emission compliance, the Tigercat 890 is the largest, highest capacity machine in Tigercat’s purpose-built forestry product line.

The large swing bearing provides increased capacity and swing torque. The twin swing drive system reduces gear tooth loads, and a massive single-piece, forged pedestal strengthens the undercarriage and improves durability.

A new, longer F7-172 heavy-duty 10 roller track frame with a wide stance car body gives the 890 exceptional stability. Track components are co-designed with Berco to provide maximum durability in forestry applications.

Modular design

The 890 logger shares the modular main hydraulic valve with all other Tigercat 800 series carriers for improved parts commonality. With the ability to easily swap out a valve section, the modular design simplifies maintenance. New larger capacity valve sections are used for main and stick boom circuits to provide higher flow rates and improve efficiency.

The 890 has plenty of cooling capacity with an automatic variable speed fan for improved fuel efficiency and an automatic reversing cycle to clean the heat exchangers. Another fuel-saving feature is the energy recovery swing system. A closed-loop drive feeds power back to the engine when swing decelerates, reducing fuel consumption and recovering energy for other machine functions.

According to Tigercat, service access is “outstanding” with the power operated side engine door and overhead roof enclosure. The entire upper assembly is designed for extreme duty. Heavy wall side bumpers and a solid cast counterweight protect the upper assembly from impacts when swinging.

Convenient walk-up access to the rear entry door leads to a generous interior cab. The cabin is quiet and comfortable with excellent visibility. The full-length front window and additional floor windows provide clear sightlines. The high output climate control system keeps the operator comfortable even in temperature extremes. LED lighting and the new rearVIEW camera system improve operator visibility.

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