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OPEI: Outdoor Power Equipment Institute

OPEI, the Outdoor Power Equipment Institute, is an international trade association headquartered in Alexandria, VA, representing power equipment, engine and utility vehicle manufacturers and suppliers. OPEI is the advocacy voice of the industry, and a recognized Standards Development Organization for the American National Standards Institute (ANSI) and active internationally through the International Electrotechnical Commission (IEC) and International Standards Organization (ISO) — where it serves as the administrator of the U.S. TAGs (United States Technical Advisory Group) to two subcommittees to ISO/TC 23 (International Organization for Standardization/Technical Committee) — in the development of safety and performance standards. OPEI is managing partner of GIE+EXPO, the industry’s annual international trade show, and the creative force behind the environmental education program, TurfMutt.com. OPEI-Canada represents members on a host of issues, including recycling, emissions and other regulatory developments across the Canadian provinces. Standards from OPEI are available both individually, directly through the ANSI webstore, and as part of a Standards Subscription. If you or your organization are interested in easy, managed, online access to standards that can be shared, a Standards Subscription may be what you need - please contact us at: StandardsSubscriptions@ansi.org or 1-212-642-4980 or Request Proposal Price.

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ANSI/OPEI B71.1-2017

Consumer Turf Care Equipment - Pedestrian-Controlled Mowers and Ride-On Mowers - Safety Specifications

The safety specifications given in this standard are for powered (a) reel and rotary pedestrian-controlled lawn mowers, (b) reel and rotary ride-on lawn mowers, (c) ride-on lawn tractors with mower attachments, (d) ride-on lawn and garden tractors with mower attachments, and (e) lever-steer and zero-turn ride-on mowers. These specifications are intended to provide safety requirements and to help ensure uniform operator environments. They are intended to apply to products specifically intended as consumer products for the personal use of a consumer around a house.


ANSI/OPEI B71.4-2017

Commercial Turf Care Equipment - Safety Specifications

The safety specifications given in this standard are for powered (a) pedestrian-controlled machines, (b) ride-on machines and (c) implements for use with pedestrian and ride-on machines intended for marketing as commercial turf care equipment and that are customarily used by hired operators. Equipment covered may consist of two or more components that are functionally connected and may be produced by different manufacturers. Specific requirements are established in the standard for reel, rotary, and flail mowers as well as power rakes because of their prevalence, but this standard is intended to apply to all types of commercial turf care equipment. Each functional component shall conform to each section of this standard as it logically applies. Additionally, this standard applies to all aftermarket parts, attachments and accessories. Any manufacturer of aftermarket parts, attachments, implements, and accessories is responsible for ensuring compliance to this standard. Safety specifications in this standard apply only to a configuration of attachments, implements, and accessories approved by their respective manufacturers.


ANSI/OPEI B71.9-2016

Multipurpose Off-Highway Utility Vehicles

This standard establishes requirements for equipment, configuration, and performance of Multipurpose Off-Highway Utility Vehicles (MOHUVs). A MOHUV has features specifically intended for utility use and has the following characteristics: 1) intended to transport a person(s) and/or cargo, with a top speed in excess of 25 mph (40.2 km/h); 2) 2030 mm (80 in) or less in overall width; 3) designed to travel on four or more wheels, two or four tracks, or combinations of four or more tracks and wheels; 4) using a steering wheel for steering control; 5) with a non-straddle seat; 6) with a Gross Vehicle Weight Rating of no more than 1814 kg (4000 lb), and 7) with a minimum cargo capacity of 159 kg (350 lb).


ANSI/OPEI B71.10-2018

Off-Road Ground-Supported Outdoor Power Equipment - Gasoline Fuel Systems - Performance Specifications and Test Procedures

This standard describes safety specifications and test procedures applicable to the gasoline fuel systems for off-road ground-supported outdoor power equipment with spark ignition engines of less than one liter displacement. Off-road ground-supported outdoor power equipment for which this standard may apply include walk-behind and riding lawn-mowers, snow throwers, powered log splitters, shredders/grinders and tillers. The effective implementation date of this standard shall be two (2) years after the publication date and shall apply to all products built after that date. Manufacturers may also comply with the requirements of this standard anytime after the publication date. NOTE – The tests described in this standard involve the use of hazardous materials, operations, and equipment. This standard does not purport to address all of the safety problems associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.


ANSI B71.1-2003

Outdoor Power Equipment - Walk-Behind Mowers and Ride-On Machines with Mowers - Safety Specifications

These safety specifications are for reel and rotary walk-behind and reel and rotary ride-on power lawn mowers, ride-on power lawn tractors with mower attachments, ride-on power lawn and garden tractors with mower attachments, and lever steer ride-on mowers. These safety requirements help ensure uniform operator environments. They apply to products specifically intended as consumer products for the personal use of a consumer around a house. This standard also applies to all aftermarket parts and accessories not provided by the original equipment manufacturer.


ANSI/OPEI B71.7-2018

Powered Consumer Ram-Type Log Splitters - Safety Specifications

The safety specifications given in this standard are for powered consumer (a) hydraulic-ram log splitters; (b) mechanical-ram log splitters. Power may be supplied by an internal-combustion engine or an electric motor. These specifications are intended to provide safety requirements and to help ensure uniform operator environments. They are intended to apply to products specifically intended as consumer products for the personal use of a consumer around the home. This standard applies to all aftermarket parts, attachments, and accessories. Any manufacturer of aftermarket parts, attachments and accessories is responsible for ensuring compliance to this standard. Safety specifications in this standard apply only to a configuration of attachments/implements/accessories approved by their respective manufacturers.


ANSI/OPEI B71.10-2018

Off-Road Ground-Supported Outdoor Power Equipment - Gasoline Fuel Systems - Performance Specifications and Test Procedures

This standard describes safety specifications and test procedures applicable to the gasoline fuel systems for off-road ground-supported outdoor power equipment with spark ignition engines of less than one liter displacement. Off-road ground-supported outdoor power equipment for which this standard may apply include walk-behind and riding lawn-mowers, snow throwers, powered log splitters, shredders/grinders and tillers. The effective implementation date of this standard shall be two (2) years after the publication date and shall apply to all products built after that date. Manufacturers may also comply with the requirements of this standard anytime after the publication date. NOTE – The tests described in this standard involve the use of hazardous materials, operations, and equipment. This standard does not purport to address all of the safety problems associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.


ANSI/OPEI B71.8-2016

Powered Walk-Behind Rotary Tillers and Hand-Supported Cultivators -Safety Specifications

The requirements provided in this standard are for powered walk-behind rotary tillers and hand-supported cultivators. This standard is intended to provide safety and design requirements to help ensure uniform operator environments, exclusive of the power source. This standard shall apply to machines specifically marketed for consumer / personal use.


ANSI/OPEI B71.3-2014

Snow Throwers - Safety Specifications

The specifications in this standard apply to (a) walk-behind power snow throwers, (b) ride-on power snow throwers, (c) lawn ride-on tractors with snow thrower attachments, (d) lawn and garden tractors with snow thrower attachments, and (e) lever-steer ride-on machines with snow thrower attachments.


ANSI/OPEI B175.1-2012 (and A1-2014)

Outdoor Power Equipment û Internal Combustion Engine-Powered Hand-Held Chain Saws -Safety and Environmental Requirements

The requirements of this standard apply to internal combustion engine-powered hand-held chain saws and replacement saw chains for use primarily in cutting wood. This standard shall be applied to new products within 2 years of the publication date and manufacturers may apply this standard to existing products


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As the voice of the U.S. standards and conformity assessment system, the American National Standards Institute (ANSI) empowers its members and constituents to strengthen the U.S. marketplace position in the global economy while helping to assure the safety and health of consumers and the protection of the environment.

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