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This SAE Standard provides names of major components peculiar to rollers and compactors. Illustrations of components are not intended to be exactly descriptive of any particular machine. See Figures 1 to 3.)

The purpose of this SAE Recommended Practice is to specify dimensions for loader straight cutting edge cross sections without holes and with bolt holes for mounting bolt-on teeth and tooth adaptors on loader buckets described by SAE J731. This recommended practice is intended to supplement SAE J1303 and SAE J1304 with cross sections for heavier duty applications, by identifying larger blunts, greater bevel angles, larger bolt holes, and greater bolt spacing.

This recommended practice includes only those dimensions which will affect the attaching of towed equipment.

This SAE Standard provides recommended dimensions for drawbars for crawler tractors as defined in SAE J1057 (SEP88). It includes only those dimensions which will affect the attaching of towed equipment.

For cutting edges used on buckets for loaders defined in SAE J1057a. The dimensions are applicable to rolled, cast, forged, flame cut, and machined cutting edge sections. Straight cutting edges are defined as those whose leading edge and rear edge are parallel and, thus, are of constant cross section. For "straight cutting edge sections with bolt holes," see SAE J1304 FEB85. NOTE—For some heavy duty applications, cross sections with larger blunts and greater bevel angles may be required.

This standard is for cutting edge sections typically used in earthmoving machinery defined in SAE J1507: a Tractor - Scrapers as defined in SAE J728. b Dozers as described in SAE J729 and J173. c Loaders as described in SAE J731. d Graders as described in SAE J870. Hole spacing is defined for dozers and scrapers in J737 and graders in J739. Hole conformation is defined in J740.

This standard is for cutting edge sections typically used in earth-moving machinery defined in SAE J1116 and ISO 6165: a Scrapers as defined in ISO 7133. b Dozers as described in ISO 6747. c Loaders as described in ISO 7131. d Graders as described in ISO 7134. Hole spacing is defined ISO 7129. Hole conformation is defined in SAE J740.

This standard is for cutting edge sections typically used in earthmoving machinery defined in SAE J1507: a Tractor - Scrapers as defined in SAE J728. b Dozers as described in SAE J729 and J173. c Loaders as described in SAE J731. d Graders as described in SAE J870. Hole spacing is defined for dozers and scrapers in J737 and graders in J739. Hole conformation is defined in J740.

This SAE Standard is intended for curved cutting edge sections used on graders as defined in SAE J870 and J1057. (See Figure 1 and Table 1.) Hole conformation is further defined in SAE J740 and J1580.

This SAE Recommended Practice applies to mobile excavators, as defined in SAE J/ISO 6165, Earthmoving Machinery—Basic Types—Vocabulary, and backhoes as defined in SAE J326, Nomenclature Hydraulic Backhoes.