Dayton Parts Hitch and Coupling Catalog

King Pins

www.daytonparts.com

Cruciform King Pins • Forged 4320H Steel • Heat-Treated to Brinell 380-420

These King Pins meet all the requirements of the Association of the American Railroads, AAR, Standard M-931 when installed properly.

Dimension

Bolster Plate Thickness

Part # Model

Wt.

A

B

C

D

2401170 KP-25-AR

0.25”

1.558"

3.012"

3.574"

2.437"

17

2402171 KP-31-AR

0.31”

1.62"

3.074"

3.636"

2.437 17

2401172 KP-38-AR

0.38”

1.683"

3.137"

3.699"

2.437"

17

2402050 KP-25-ARM 0.25”

1.558"

3.012"

3.574"

3.125"

18

2402075 KP-31-ARM 0.31”

1.62"

3.074"

3.636"

3.125"

18

2402100 KP-38-ARM 0.38”

1.683"

3.137"

3.699"

3.125"

18

2401180 KP-25-AAR

0.25”

1.558"

3.012"

3.574"

3.625"

19

2401182 KP-31-AAR

0.31”

1.62"

3.074"

3.636"

3.625"

19

2401181 KP-38-AAR

0.38”

1.683"

3.137"

3.699"

3.625"

19

KP-25-AAR

King Pin Locks The King Pin Lock comes with 2 keys. Lunette Lock does not come with lock and key.

Lunette Lock

King Pin Lock

Part # Model Wt. 2084164 King Pin Lock Inside Diameter 2.90”, Length 3.5” 3.75 2405176 Lunette Lock Fits 2½” to 3” diameter eye 4 Description

Wallace Forge King Pins are not for off the road equipment. Warning: The use of a lube plate alters the king pin dimensions from SAE standards and may prevent proper coupling.

5

www.wallaceforgecompany.com