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www.wallaceforgecompany.com
5
www.daytonparts.comKing Pins
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.
Part # Model
Bolster Plate
Thickness
Dimension
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
King Pin Locks
The King Pin Lock comes with 2 keys.
Lunette Lock does not come with lock and key.
Part # Model
Description
Wt.
2084164 King Pin Lock Inside Diameter 2.90”, Length 3.5” 3.75
2405176 Lunette Lock Fits 2½” to 3” diameter eye
4
King Pin Lock
Lunette Lock
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.
KP-25-AAR