SAE J2512:2019 pdf free

SAE J2512:2019 pdf free.Towing Equipment Ratings and Practices
Camber – The inclination of the wheel plane to the vertical. It is considered positive when the wheel leans outward at the top and negative when it leans inward. (See SAE J670.)
Car Carrier -Vehicles equipped to transport other vehicles mounted on a flat platform and/or with an additional assembly attached to the rear to facilitate towing a second vehicle. These units are also known as slidebacks, rollbacks, transporting equipment carriers and flatbeds. See Carrier.
Caster – The angle in side elevation between the steering axis and the vertical. It is considered positive when the steering axis is inclined rearward (in the upward direction) and negative when the steering axis is inclined forward. (See SAE J670.)
Certification Label- Required by Public L aw 89-563, which states that a motor vehicle or item of motor vehicle equipment complies with all applicable Federal Motor Vehicle Safety Standards (FMVSS) in effect on the date of manufacture.
Chassis Cab – A vehicle consisting of a chassis on which is mounted a cab; capable of being driven by the addition of wheels or other items of running gear, but lacking a body or load-carrying structure.
Displacement -Volume of oil required to extend piston rod through its working stroke. Product of multiplying the area times the length of stroke usually measured in cubic inches.
Diverter Valve -Auxiliary valve to provide hydraulic power from the hydraulic pump by switching the oil flow from its usual passageways into additional pieces of equipment such as snow plows or other lifting cylinders.Also called diversion or selector valve.
FMVSS (Federal Motor Vehicle Safety Standard)- Regulations promulgated by NHTSA under Public Law 89-563，which are mandatory and must be complied with when motor vehicles or items of motor vehicle equipment are manufactured and certified thereto.
GCWR (Gross Combination Weight Rating)- Represents the entire weight of a vehicle on the ground with a trailer or trailers including vehicle, equipment, driver, fuel, and payload (everything that moves with the vehicle.) Gross combination weights published represent maximum allowed.SAE J2512 pdf free download.