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The chassis is a key component of forestry vehicular equipment that directly determines its ability to drive and
climb in rough mountainous or forested terrain. A six-wheeled luffing articulated chassis was designed to scale obstacles
on forested land. This paper discusses the use of the Devanit-Hartenberg method to establish a kinematic model for this
vehicle chassis; positive solutions of the kinematic model were then applied to an analysis of the luffing capabilities of the
six-wheeled luffing articulated chassis. Theoretical calculations, simulations, and experimental results showed that the
established kinematic model can be applied to the development and production of forestry equipment.