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Standard

Automotive Pull-Type Clutch Terminology

1991-04-01
HISTORICAL
J1479_199104
This SAE Standard describes the terms or names of the parts, characteristics, and parameters of automotive pull-type clutches used in trucks, and of vehicle apparatus or components related to the pull type clutch. This document defines commonly used truck and bus clutch technical terms which may be found in industry publications. The purpose is to promote commonization of these terms for a clearer understanding of the technical content of industry publications.
Standard

Automotive Pull-Type Clutch Terminology

1985-01-01
HISTORICAL
J1479_198501
This SAE Standard describes the terms or names of the parts, characteristics, and parameters of automotive pull-type clutches used in trucks, and of vehicle apparatus or components related to the pull-type clutch.
Standard

Automotive Pull-Type Clutch Terminology

1999-09-21
HISTORICAL
J1479_199909
This SAE Standard describes the terms or names of the parts, characteristics, and parameters of automotive pull-type clutches used in trucks, and of vehicle apparatus or components related to the pull-type clutch.
Standard

Automotive Pull-Type Clutch Terminology

2012-11-09
CURRENT
J1479_201211
This SAE Standard describes the terms or names of the parts, characteristics, and parameters of automotive pull-type clutches used in trucks, and of vehicle apparatus or components related to the pull-type clutch.
Standard

Axle Efficiency Test Procedure

1979-06-01
HISTORICAL
J1266_197906
Data from this SAE Recommended Practice permit mapping axle efficiency and/or waste energy over the operating range of trucks, busses, and other highway vehicles based on truck chasses. The procedure can be applied to single axles, tandem axles as a system, or other systems, by combining separate tests, such as tests of the front axle and power divider and rear axle of tandem or tri-drive type.
Standard

Axle Efficiency Test Procedure

1990-06-01
HISTORICAL
J1266_199006
Data from this SAE Recommended Practice permit mapping axle efficiency and/or waste energy over the operating range of trucks, busses, and other highway vehicles based on truck chasses. The procedure can be applied to single axles, tandem axles as a system, or other systems, by combining separate tests, such as tests of the front axle and power divider and rear axle of tandem or tri-drive type.
Standard

Axle Efficiency Test Procedure

2001-04-27
CURRENT
J1266_200104
Data from this SAE Recommended Practice permit mapping axle efficiency and/or waste energy over the operating range of trucks, busses, and other highway vehicles based on truck chasses.
Standard

Certificates of Maximum Net Horsepower for Motor Trucks and Truck Tractors

1965-02-01
HISTORICAL
J690_196502
[In the report of the SAE Motor Truck Rating Committee on Ability Ratings published in the January 1940 issue of the SAE Journal, it was recommended that pounds per certified net brake horsepower delivered to the clutch or its equivalent be used as the index of the potential ability of a motor truck or combination. This report defined the term "certified net brake horsepower" in detail and recommended that certain data be provided to support the certification. The accompanying forms provide a method for the presentation of the data specified.]
Standard

Certificates of Maximum Net Horsepower for Motor Trucks and Truck Tractors

1998-11-06
CURRENT
J690_199811
[In the report of the SAE Motor Truck Rating Committee on Ability Ratings published in the January 1940 issue of the SAE Journal, it was recommended that pounds per certified net brake horsepower delivered to the clutch or its equivalent be used as the index of the potential ability of a motor truck or combination. This report defined the term "certified net brake horsepower" in detail and recommended that certain data be provided to support the certification. The accompanying forms provide a method for the presentation of the data specified.]
Standard

Clearance Envelopes for Six-Bolt, Eight-Bolt, and Rear Truck Transmission Mounted Power Takeoffs

1983-11-01
HISTORICAL
J772_198311
The purpose of this document is to provide dimensions of clearance envelopes for various types of six-bolt regular-duty, eight-bolt heavy-duty, and side- and rear-mounted truck transmission power takeoffs. These envelopes are applicable to the clearance required immediately adjacent to the power takeoff openings on truck transmissions. Clearance envelopes are provided for the purpose of documenting current practice. It must be recognized that many current designs do not provide these clearances in all orientations and variations. New transmission and power takeoff designs should attempt to adhere to these envelopes where practical, but they should not be construed to be design restrictive; ultimately, the actual power takeoff clearance must be established for each application. In order to provide realistic envelope sizes, there are seven basic ÒtypesÓ of side-mounted P.T.O. envelopes and rear-mounted envelopes as shown in Table 1.
Standard

Clearance Envelopes for Six-Bolt, Eight-Bolt, and Rear Truck Transmission Mounted Power Takeoffs

1978-11-01
HISTORICAL
J772A_197811
The purpose of this document is to provide dimensions of clearance envelopes for various types of six-bolt regular-duty, eight-bolt heavy-duty, and side- and rear-mounted truck transmission power takeoffs. These envelopes are applicable to the clearance required immediately adjacent to the power takeoff openings on truck transmissions. Clearance envelopes are provided for the purpose of documenting current practice. It must be recognized that many current designs do not provide these clearances in all orientations and variations. New transmission and power takeoff designs should attempt to adhere to these envelopes where practical, but they should not be construed to be design restrictive; ultimately, the actual power takeoff clearance must be established for each application. In order to provide realistic envelope sizes, there are seven basic ÒtypesÓ of side-mounted P.T.O. envelopes and rear-mounted envelopes as shown in Table 1.
Standard

Clearance Envelopes for Six-Bolt, Eight-Bolt, and Rear Truck Transmission Mounted Power Takeoffs

2000-09-07
HISTORICAL
J772_200009
The purpose of this document is to provide dimensions of clearance envelopes for various types of six-bolt regular-duty, eight-bolt heavy-duty, and side- and rear-mounted truck transmission power takeoffs. These envelopes are applicable to the clearance required immediately adjacent to the power takeoff openings on truck transmissions. Clearance envelopes are provided for the purpose of documenting current practice. It must be recognized that many current designs do not provide these clearances in all orientations and variations. New transmission and power takeoff designs should attempt to adhere to these envelopes where practical, but they should not be construed to be design restrictive; ultimately, the actual power takeoff clearance must be established for each application. In order to provide realistic envelope sizes, there are seven basic ÒtypesÓ of side-mounted P.T.O. envelopes and rear-mounted envelopes as shown in Table 1.
Standard

Clearance Envelopes for Six-Bolt, Eight-Bolt, and Rear Truck Transmission Mounted Power Takeoffs

1992-12-01
HISTORICAL
J772_199212
The purpose of this document is to provide dimensions of clearance envelopes for various types of six-bolt regular-duty, eight-bolt heavy-duty, and side- and rear-mounted truck transmission power takeoffs. These envelopes are applicable to the clearance required immediately adjacent to the power takeoff openings on truck transmissions. Clearance envelopes are provided for the purpose of documenting current practice. It must be recognized that many current designs do not provide these clearances in all orientations and variations. New transmission and power takeoff designs should attempt to adhere to these envelopes where practical, but they should not be construed to be design restrictive; ultimately, the actual power takeoff clearance must be established for each application. In order to provide realistic envelope sizes, there are seven basic ÒtypesÓ of side-mounted P.T.O. envelopes and rear-mounted envelopes as shown in Table 1.
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