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The purpose of this SAE Standard is to provide a uniform method of defining and rating winches for crawler tractors and skidders. It in no way implies definition of proper match between rating of a winch and rating of the cable.

This recommended practice includes the definitions of specification terms most commonly used to describe both wheeled and crawler type machines.

This recommended practice includes the definitions of specification terms most commonly used to describe both wheeled and crawler type machines.

This SAE Recommended Practice establishes the test procedures and minimum performance criteria necessary to fulfill the intended purpose and is applicable to Skidders, Grapple Skidders, and Crawlers when used in the harvesting of trees.

This recommended practice identifies major components and parts peculiar to forwarders, described in SAE J1209. Illustrations used here are not intended to include all existing machines or to be exactly descriptive of any particular machine. They have been provided to illustrate the principles to be used in applying this recommended practice.

This SAE Standard provides a uniform method to calculate the lift capacity of knuckle-boom log loaders and certain forestry equipment. It establishes definitions and specifies machine conditions for calculations. This document applies to knuckle-boom log loaders as defined in ISO 6814 and ISO 17591 and certain forestry equipment defined in ISO 6814 that have a rotating upper-structure such as feller bunchers, forwarders, harvesters, and behind the cab or rear-mounted knuckle-boom log loaders not having their own power supply. It does not apply to harvesters that are incapable of lifting a tree or log completely off the ground. This document applies to those machines that are crawler, rubber-tired, and pedestal or stationary mounted.

This standard applies to machines that are designed for use in the harvesting, transporting, processing, planting, and site preparation for growing wood and wood fibre. Specifically excluded are machines used exclusively in sawmills or mill yards and on-highway logging trucks.

This SAE Recommended Practice includes the types of mounting configurations and the names of major components and parts peculiar to this type of machine. Illustrations used here are not intended to include all existing commercial machines or to be exactly descriptive of any particular machine. They have been provided to describe the principles to be used in applying this document.

This SAE Standard is intended to describe the basic types of felling heads, including those with bunching capabilities, that are attachments to a self-propelled machine. Only the major components that are necessary to describe the functions of the felling head, and to apply the principles of the standard are included. Illustrations used are not intended to include all existing felling heads or to describe any particular manufacturer’s variation.

This SAE Standard includes names of major components and parts particular to this type of machine. Illustrations used here are not intended to include all existing commercial machines, or to be exactly descriptive of any particular machine. They have been chosen to describe the principles to be used in applying this document (see Figures 1 and 2). 1 Engine 2 Sweep 3 Operator Enclosure 4 Seat 5 Rear Frame 6 Winch 7 Arch 8 Fairlead 8(a) Main Fairlead Roller 8(b) Auxiliary Fairlead Rollers 9 Tire 10 Rim 11 Axle 12 Driveline 13 Steering Cylinder 14 Front Frame 15 Blade Arm1 16 Blade 17 Decking Lug 18 Blade Cylinder 19 Radiator 20 Log Bumper

This SAE Standard includes names of major components and parts peculiar to this type of machine. Illustrations used here are not intended to include all existing commercial machines or be exactly descriptive of any particular machine. They have been provided to describe the principles to be used in applying this document.

This SAE Standard includes names of major components and parts particular to this type of machine.

This SAE Standard includes only those towing winches commonly used on skidders and crawler tractors. These winches are used on self-propelled machines described in SAE J1057, J1116, and J1209. Specifically excluded are those winches used for hoisting operations.

This SAE Standard includes only those towing winches commonly used on skidders and crawler tractors. These winches are used on self-propelled machines described in SAE J1057, J1116, and J1209. Specifically excluded are those winches used for hoisting operations.