This coupling can be fitted to both 1 7/8” and 50mm towballs by simply lifting and rotating the handle.

  • Available with multifit mounting plate.
  • Cast in steel with an electro zinc plated finish.
  • An anti-rattle screw is fitted and there is provision for fitting a security padlock.
  • When used in the 50mm mode these couplings comply with NZ Standard 5232-1993
  • 4 Holes M12 x 90mm x 36mm

Coupling Mounting Measurement

Please note the front hole center’s will suit two different spacing’s by way of a special bolt mounting area. Fitment should be by way of 4x high tensile bolts. This coupling will fit both 1”7/8 and 50mm couplings.


(including GST): NZD$114.05

Availability: Few items


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Trojan Coupling - Duofit - Non Braked 2500kg - Plunger
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