Trailers

Pig trailer

A trailer with one axle group or single axle near the middle of its load-carrying surface, and connected to the towing vehicle by a drawbar.

Nominated Configuration Code PTR.

Number of axles Configuration code
1 TP1
2 TP2
3 TP3
4 TP4
5 TP5
6 TP6
7 TP7
8 TP8
9+ TP9
Example - image of TP1 pig trailer
Example - image of TP1 pig trailer
Example - image of TP2 pig trailer
Example - image of TP2 pig trailer
Example - image of TP3 pig trailer
Example - image of TP3 pig trailer

Dog trailer

A trailer with one axle group or single axle at the front that is steered by connection to the towing vehicle by a drawbar, and one axle group or single axle at the rear.

Nominated Configuration Code DTR.

Number of axles Configuration code
1 at front and 1 at rear TD11
1 at front and 2 at rear TD12
1 at front and 3 at rear TD13
2 at front and 2 at rear TD22
2 at front and 3 at rear TD23
3 at front and 3 at rear TD33
4 at front and 4 at rear TD44
4 at front and 5 at rear TD45
Example - image of TD11 dog trailer
Example - image of TD11 dog trailer
Example - image of TD12 dog trailer
Example - image of TD12 dog trailer
Example - image of TD22 dog trailer
Example - image of TD22 dog trailer

Semi trailer

A trailer (including a pole type trailer) that has one axle group or single axle towards the rear, and a means of attachment to a prime mover or a converter dolly that results in some of the load being imposed on the prime mover, or the converter dolly, as the case may be.

Nominated Configuration Code STR.

Number of axles Configuration code
1 TS1
2 TS2
3 TS3
4 TS4
5 TS5
6 TS6
7 TS7
8 TS8
9+ TS9
Example - image of a TS1 semi trailer
Example - image of a TS1 semi trailer
Example - image of a TS2 semi trailer
Example - image of a TS2 semi trailer
Example - image of a TS3 semi trailer
Example - image of a TS3 semi trailer
Example - image of a TS3 semi trailer attached to a prime mover
Example - image of a TS3 semi trailer attached to a prime mover
Example - image of two TS3 semi trailers attached to a prime mover (road train)
Example - image of two TS3 semi trailers attached to a prime mover (road train)
Example - image of a TS3 semi trailer in tail position (B-double)
Example - image of a TS3 semi trailer in tail position (B-double)

B-double lead trailer and B-triple lead and middle trailer

B-double lead trailer: A semi trailer that is nominated for use as the lead trailer in a B-double combination.

B-triple lead trailer: A semi trailer that is nominated for use as the lead trailer in a B-triple combination.

B-triple middle trailer: A semi trailer that is nominated for use as the second trailer in a B-triple combination.

Nominated Configuration Code LTR.

Number of axles Configuration code
1 TL1
2 TL2
3 TL3
4 TL4
5 TL5
6 TL6
7 TL7
8 TL8
9+ TL9
Example - image of a TL2 lead/middle trailer
Example - image of a TL2 lead/middle trailer
Example - image of a TL3 lead/middle trailer
Example - image of a TL3 lead/middle trailer
Example - image of a TL3 lead trailer with semi trailer attached (B-double)
Example - image of a TL3 lead trailer with semi trailer attached (B-double)
Example - image of a TL3 lead trailer attached to a TL3 middle trailer and a semi trailer (B-triple)
Example - image of a TL3 lead trailer attached to a TL3 middle trailer and a semi trailer (B-triple)

Dollies

Converter dolly: A trailer with a fifth wheel coupling designed to support a semi trailer for hauling purposes.

Low loader dolly: A mass-distributing device that is usually coupled between a prime mover and low loader, and consists of a gooseneck rigid frame, and does not directly carry any load on itself, and is equipped with one or more axles, a kingpin and a fifth wheel coupling.

Nominated Configuration Code YTR.

Number of axles Configuration code
1 TY1
2 TY2
3 TY3
4 TY4
5 TY5
6 TY6
7 TY7
8 TY8
9+ TY9
Example - image of TY1 converter dolly
Example - image of TY1 converter dolly
Example - image of TY2 converter dolly
Example - image of TY2 converter dolly
Example - image of TY3 low loader dolly
Example - image of TY3 low loader dolly
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