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This SAE Recommended Practice is intended to serve as a reference for the amount of torque that a Power Take-Off can induce on the transmission mounting pad. This document will apply to six-bolt, eight-bolt, and rear mounted power take-offs.

This SAE J2971 Recommended Practice describes a standard naming convention of aerodynamic devices and technologies used to control aerodynamic forces on truck and buses weighing more than 10000 pounds (including trailers).

This SAE J2971 Recommended Practice Truck and Bus Aerodynamic Device Terminology document describes a standard naming convention of aerodynamic devices and technologies used to control aerodynamic forces on truck and buses weighing more than 10,000 pounds (including trailers).

This recommended practice establishes a uniform test procedure for determining the operator environment temperature and humidity obtainable with an air conditioning system on agricultural equipment. This procedure can be used to evaluate any type of air conditioning system.

The task force was assigned responsibility for the following activities: 1 Formulate a recommendation for an acceptable ride meter including features, functional performance, and design specifications. 2 Conduct a survey to determine if there is a commercially available ride meter conforming to the recommendation. 3 If an acceptable ride meter is not commercially available, work with an electronics supplier to initiate a design and build a working prototype of a meter conforming to the recommendation.

These recommendations are intended to improve operator efficiency and convenience by providing guidelines for the uniformity of location and direction of motion of operator controls used on agricultural tractors. The controls covered are those centrally located at the operator's normal position.

To provide specifications for lighting and marking of agricultural equipment whenever such equipment is operated or traveling on a highway.

This SAE standard is intended to create standard terminology related to light and medium duty trailer applications. This includes such trailer types as utility, boat, camping, travel, and special purpose trailers which are normally towed by conventional passenger cars, light-duty commercial vehicles, light trucks, and multipurpose passenger vehicles.

This document provides an assessment of current engineering test and simulation standards and methods used to determine the fuel efficiency, freight efficiency and emissions of single-vehicle systems comprised primarily of on-road trucks and buses with GVWR of more than 10000 pounds (4535 kg). This document provides guidance on the applicability and use of each test and simulation standard, method and technology discussed for multi-vehicle systems.

The guidelines for operator and bystander protection in this recommended practice apply to towed, semimounted or mounted flail mowers and flail power rakes when powered by a propelling tractor or machine of at least 15 kw (20 hp), intended for marketing as industrial mowing equipment and designed for cutting grass and other growth in public use areas such as parks, cemeteries and along roadways and highways. The use of the word "industrial" is not to be confused with "in-plant industrial equipment". This document does not apply to: 1 Turf care equipment primarily designed for personal use, consumption or enjoyment of a consumer in or around a permanent or temporary household or residence. 2 Machines designed primarily for agricultural purposes but which may be used for industrial use. 3 Self powered or self propelled mowers or mowing machines. Where other standards are referenced, such reference applies only to the document identified, not revisions thereof.

The guidelines for operator and bystander protection in this recommended practice apply to towed, semimounted or mounted flail mowers and flail power rakes when powered by a propelling tractor or machine of at least 15 kw (20 hp), intended for marketing as industrial mowing equipment and designed for cutting grass and other growth in public use areas such as parks, cemeteries and along roadways and highways. The use of the word "industrial" is not to be confused with "in-plant industrial equipment". This document does not apply to: 1 Turf care equipment primarily designed for personal use, consumption or enjoyment of a consumer in or around a permanent or temporary household or residence. 2 Machines designed primarily for agricultural purposes but which may be used for industrial use. 3 Self powered or self propelled mowers or mowing machines. Where other standards are referenced, such reference applies only to the document identified, not revisions thereof.

This SAE Recommended Practice sets forth the instrumentation and procedures to be used in measuring exterior sound levels of self-propelled agricultural field equipment of 15 kW (20 net engine hp) or greater. It is not intended to cover operation of safety devices (such as alarms), or equipment used primarily in stationary operation. The sound levels obtained by using this test procedure are repeatable and representative of the higher range of sound levels generated by the machine in normal road transport. The sound levels are not intended to represent the average or equivalent sound levels over a field use cycle.