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The Choker System

Our electronic choker has been designed to make a difference to the safety and efficiency of timber recovery between felling and yarding.

Harvesting timber in New Zealand forests is as demanding as anywhere in the world. Our terrain ranges from even flats to steep hillsides, with gullies, waterways and rugged landforms creating challenges.

We’ve used the most advanced engineering in its class to ensure reliability, even in the harshest conditions.


How it Operates

The choker is used to attach a hauling strop to felled logs, ready to drag them to the yarder for trimming and transportation.

With the simple press of a button, the choker releases the strop as soon as the log has been dragged to its required position.

It removes a worker from the most hazardous part of the recovery process: being amongst unstable timber, and leaves the choker ready for the next haul.


System Overview

The system was specifically designed for harvesting timber in hill country, the most challenging of logging environments.

The system is made of three major components: the choker bells, transmitters and tracking device for lost chokers.

The choker bell: The internal components of the choker are enclosed in a robust casing – protecting them from extreme impact and weather damage.

Transmitters: The main transmitter allows up to nine chokers to be released simultaneously, in any combination or individually.

Portable transmitters used by breaker outers can release all chokers at once.

Choker tracking system: The tracking system is easy to use. The receiver sounds a signal when the aerial is pointed towards the lost and/or buried choker.

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