Dutton-Lainson Company

A Dependable Company Since 1886

Coupler Balls

ModelSAE
Class
Capacity
(For gross trailer
weights up to...)
Ball
Size
Shank
Diameter
Shank
Length
Min. - Max.
Mounting
Thickness
Finish
639023,500 lb / 1,588 kg2"1"1-13/16"1/4" - 13/16"Chrome
639346,000 lb / 2,722 kg2-5/16"1"2"5/16" - 15/16"Chrome
639612,000 lb / 907 kg1-7/8"3/4"1-3/4"3/8" - 1"Chrome
639723,500 lb / 1,588 kg2"3/4"1-11/16"3/8" - 7/8"Chrome
639923,500 lb / 1,588 kg2"3/4"2"3/8" - 7/8"Chrome
669235,000 lb / 2,268 kg2"1"2"1/4" - 1"Stainless
66931 & 22,000 lb / 907 kg
and 3,500 lb / 1,588 kg
1-7/8" / 2"3/4" *1-7/8" *3/4" - 1"Chrome
*Also includes adapter to fit 1" hole.

Dutton-Lainson Company

A leading manufacturer of quality products for marine, agricultural, industrial, and automotive markets throughout the world.

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