Car Body Wear Plate

The car body wear plate must conform to AAR standard S-235. The car body side bearing wear plate must be smooth. Any weld spatter, heavy rust or surface projections must be removed by grinding. Fastener heads must be smooth and flush below wear plate surface, and the fasteners securely tightened. Plates with surface variations between fastener holes greater than 1/8 in. (3mm), or greater than 1/16 in. (1.6 mm) over any 4 in. (101.6 mm) space between the fastener holes, must be replaced. Surface must be reasonably parallel to side bearing mounting surface. Variations should not exceed 1/16 in. (1.6 mm) across width or 1/8 in. (3mm) end-to-end.

Minimum Wear Plate Size

Model

Minimum Size

TCC, TCC-II, TCC-III LT, TCC-III ST, TCC-IV LT

4 in. wide by 12 in. long (101.6 mm x 305 mm)

TCC RA, TCC-III RA

Consult car builder

 

TCC-45 LTR, LTRB, LTLP, LTLP-B, LTLP-C and TCC-60 LTR

Truck Centers

Min. Width

Min. Length

70 ft. (21 m) or less

4 in. (101 mm)

12 in. (305 mm)

70+ ft. (21 m) to 82 ft. (25 m)

4 in. (101 mm)

14 in. (356 mm)

82+ ft. (25 m) to 94 ft. (29 m)

4 in. (101 mm)

16 in. (406 mm)

Greater than 94 ft. (29 m)

4 in. (101 mm)

18 in. (458 mm)


Please refer to AAR Field Manual Rule 61 for more detailed information regarding body wear plates.

Car Body Wear Plate

The car body wear plate must conform to AAR standard S-235. The car body side bearing wear plate must be smooth. Any weld spatter, heavy rust or surface projections must be removed by grinding. Fastener heads must be smooth and flush below wear plate surface, and the fasteners securely tightened. Plates with surface variations between fastener holes greater than 1/8 in. (3mm), or greater than 1/16 in. (1.6 mm) over any 4 in. (101.6 mm) space between the fastener holes, must be replaced. Surface must be reasonably parallel to side bearing mounting surface. Variations should not exceed 1/16 in. (1.6 mm) across width or 1/8 in. (3mm) end-to-end.

Minimum Wear Plate Size

Model

Minimum Size

TCC, TCC-II, TCC-III LT, TCC-III ST, TCC-IV LT

4 in. wide by 12 in. long (101.6 mm x 305 mm)

TCC RA, TCC-III RA

Consult car builder

 

TCC-45 LTR, LTRB, LTLP, LTLP-B, LTLP-C and TCC-60 LTR

Truck Centers

Min. Width

Min. Length

70 ft. (21 m) or less

4 in. (101 mm)

12 in. (305 mm)

70+ ft. (21 m) to 82 ft. (25 m)

4 in. (101 mm)

14 in. (356 mm)

82+ ft. (25 m) to 94 ft. (29 m)

4 in. (101 mm)

16 in. (406 mm)

Greater than 94 ft. (29 m)

4 in. (101 mm)

18 in. (458 mm)


Please refer to AAR Field Manual Rule 61 for more detailed information regarding body wear plates.