truck Couplers

Classification:
Couplers are classified by the number to match the mating Trailer Classification number.
Coupler Classification Trailer Classification
Class 1 Class 1
Class 2 Class 2
Class 3 Class 3
Class 4 Class 4
Strength Requirements:
The SAE, VESC, and CSA, have all established minimum strength requirements for couplers. Each coupler manufacturer
should design and test his couplers to meet or exceed the specifications.
Identification:
Couplers are identified with their Coupler Classification Number, Maximum Gross Trailer Weight and Ball Size.
Couplers (Couplings)
Part #
Primed
Part #
Zinc Ball Size Construction Trailer GVW
Tongue
Width
SAE
Class
Repair
Kit#
11200
11250
11300
22200
22250
22300
-
11201
11251
11301
22201
22251
22301
34301
Part #
Oiled
-
-
-
22202
22252
-
34302
1 "
1 "
1 "
2"
2"
2"
2"
Stamped
Stamped
Stamped
Stamped
Stamped
Stamped
Stamped
I
I
I
II
II
II
IV
2,000 lbs
2,000 lbs
2,000 lbs
3,500 lbs
3,500 lbs
3,500 lbs
5,000 lbs
2"
2?"
3"
2"
2?"
3"
3"
Standard Straight Couplers
Stamped Straight Couplers
Stamped A-Frame Couplers
See
Page
F8