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Truck & trailer hardware

Trailer ball couplers

Trailer coupler references for 1-7/8, 2 and 2-5/16 inch balls, with channel and A-type mounting notations.

Reference11 catalog references

MOQ, customization and lead time depend on the selected model and order.

Compare 11 catalog references ↓

Reference specifications

Trailer ball couplers reference specifications
Product rangeTrailer ball couplers
Reference configurations11

Specifications shown are catalog references. Your quotation confirms the current model, drawing and agreed requirements for the order.

Quotation requirements

Specify your application.

  • Model or configuration and order quantity
  • Mounting dimensions and matching components
  • Required performance and supporting documentation
  • Finish, packaging and destination
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Models & specifications

11 catalog references

Compare catalog references below. Select a reference to include it in your inquiry; current specifications and options are confirmed with your quotation.

Trailer ball couplers: catalog model comparison
ModelBall diameterChannel / mounting notationCatalog weightInquiry
RT27-01011-7/8 in2 in1.120 kg 2.5 lbRequest quote
RT27-02011-7/8 in2-5/16 in1.130 kg 2.5 lbRequest quote
RT27-03011-7/8 in2-1/2 in1.130 kg 2.5 lbRequest quote
RT27-04011-7/8 in3 in1.170 kg 2.6 lbRequest quote
RT27-05012 inΦ60; confirm units1.900 kg 4.2 lbRequest quote
RT27-06012 in2 in1.900 kg 4.2 lbRequest quote
RT26-07012 in2-1/2 in1.940 kg 4.3 lbRequest quote
RT26-08012 in3 in2.020 kg 4.5 lbRequest quote
RT26-09012 in3 in2.020 kg 4.5 lbRequest quote
RT26-10012 inA type; confirm mounting2.860 kg 6.3 lbRequest quote
RT26-11012-5/16 inA type; confirm mounting3.750 kg 8.3 lbRequest quote

Product selection & purchasing

Sourcing Trailer ball couplers

Applications & product range

The catalog table pairs nominal ball diameters with channel or mounting configurations. Select the exact reference for the trailer tongue design, then confirm latch details, material, finish and mounting drawing. The three pictured couplers are family examples.

Configuration & purchasing requirements

Provide ball diameter, tongue section, mounting method and required trailer rating. Confirm the exact factory part number, current rated towing capacity and applicable test documentation. A 50 mm ball is a separate specification from a 2 inch ball.

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