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40mm Square Mechanical Drum Brake Kit – 1000kg$508.92 – $631.04 inc GST
45mm Round Mechanical Drum Brake Kit – 1450kg$424.00 – $548.00 inc GST
45mm Square Mechanical Drum Brake Kit – 1450kg$581.94 – $736.21 inc GST
Mechanical Override Brakes
9″ Mechanical Drum Brakes on 40mm Square and 45mm square Axles. Activated by 2t override coupling.
Mechanical drum brake axle ratings are 1450kg for a single axle or 2000kg for a tandem axle setup.
Axle ratings as follows
- 40mm Square – 1000kg
- 45mm Round – 1450kg
- 45mm Square – 1450kg
40mm and 45mm Axles are ideal for override trailers up to 200cm or 2 meters. Axle flex occurs in longer axles. Axle flex, in turn, causes vibration fatigue.
Trailers wider than 2 meters use 45mm Square axles. Stronger axles carry their load better and as such do not suffer axle fatigue.
Finally, this article is also a good read. Why U-bolts may be the Major Cause of Accidents