Forwarder
A forwarder is a forestry vehicle that carries big felled logs cut by a harvester from the stump to a roadside landing for later acquisition. Forwarders can use rubber tires or tracks.[1] Unlike a skidder, a forwarder carries logs clear of the ground, which can reduce soil impacts but tends to limit the size of the logs it can move.[2] Forwarders are typically employed together with harvesters in cut-to-length logging operations. Forwarders originated in Scandinavia.[3]
Load capacity
Forwarders are commonly categorized on their load carrying capabilities. Other classifications include whether they are wheeled or tracked and the axle arrangement.[4] The smallest are trailers designed for towing behind all-terrain vehicles which can carry a load between 1 and 3 tonnes. Agricultural self-loading trailers designed to be towed by farm tractors can handle load weights up to around 12 to 15 tonnes. Light weight purpose-built machines utilised in commercial logging and early thinning operations can handle payloads of up to 8 tonnes. Medium-sized forwarders used in clearfells and later thinnings carry between 12 and 16 tonnes. The largest class specialized for clearfells handles up to 25 tonnes. Forwarders also carry their load at least 2 feet above the ground.
Manufacturers
- Barko Hydraulics, LLC
- Caterpillar Inc.
- John Deere (Timberjack)
- EcoLog
- Fabtek
- HSM
- HSM (Hohenloher Spezial Maschinenbau GmbH, Germany)
- Komatsu Forest (Valmet)
- Kronos
- Logset
- Malwa
- Neuson Forest
- PM Pfanzelt Maschinenbau
- Ponsse
- Rottne
- Strojirna Novotny
- Tigercat
- Timber Pro
- Zanello
- Morooka Co., LTD
References
- ^ "Environmental Consequences". Willamette National Forest (N.F.), Santiam Pass Forest Health Project, Linn County: Environmental Impact Statement. United States Forest Service. 1995. p. 2.
- ^ Umatilla National Forest (N.F.), Rimrock Ecosystem Restoration Projects: Environmental Impact Statement. United States Forest Service. 2003.
- ^ Young, Raymond A.; Giese, Ronald L. (2002-12-26). Introduction to Forest Ecosystem Science and Management. John Wiley & Sons. p. 417. ISBN 978-0-471-33145-2.
- ^ "Forwarder: history, overview, characteristics". magnetawanlibrary.ca. 2021. Retrieved 2024-07-02.
External links
Media related to Forwarders at Wikimedia Commons
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