Read and download pages from the TRT Parts Catalogue for information, service tips, and more for Trailer Couplings, Fifth Wheels and Ball Race Turntables for the New Zealand Road Transport Industry.
Parts and service information for Davies Magnet, Jost, and Holland and universal King Pins.
Davies Magnet
(360 kb)
Jost
(960 kb)
Holland
(800 kb)
King Pin
(272 kb)
Trailer Couplings
Rockinger and Ringfeder Coupling and Toweye parts and service information.
Rockinger
(671 kb)
Ringfeder
(426 kb)
Toweyes
With trailer couplings and toweyes from Rockinger and VBG-Ringfeder TRT has the full range of 40mm and 50mm on highway couplings. Holland and Rockinger pintle hook couplings provide for on and off highway applications.
