PBS Vehicles

PBS Overview

For more than 40 years, Byford has been a leading force in tanker innovation – designing and fabricating stainless steel, duplex metal and aluminium equipment for the food, bitumen, chemical and liquid fertiliser sectors. That’s why it’s no surprise that Byford has quickly embraced the forward thinking Performance-Based Standards (PBS) scheme and is now constantly expanding its PBS product portfolio with game-changing designs like the 26m Maxless A-double model or the 20m AB-double.

Vehicle Access

Our access support team is dedicated to helping you get your vehicle on the road as fast as possible. We liaise directly with key authorities like the National Heavy Vehicle Regulator (NHVR) to guide through the complex road access approval process.

26m A-double

Our PBS-approved 26m A-double combination can carry between 48,500 and 51,000 litres of various liquids. Under Higher Mass Limits (HML), this high productivity combination can transport as much as 74.5 tonnes when pulled by a 6x4 prime mover, or 79 tonnes when coupled to a 8x4 unit.

On Level One roads, the design is accredited for a 50.5 tonne Gross Vehicle Mass (GVM).

The key feature of the 26m A-double model is its exceptional manoeuvrability, made possible by the use of BPW steerable axles on both tankers, as well as a steerable bogey dolly.

The emphasis on manoeuvrability also means our A-double can boast a 6.33m swept path – making it extremely user-friendly, especially when you consider the swept path for most conventional 19m B-doubles is around 6.7m.

20m AB-double

Our PBS-approved 20m tri-axle AB-double can carry more than 38,500 litres of liquid with standard 9-tonne axle weights and 41,000 litres where 10-tonne single axle weights are permitted.

Using similar design principles to our 26m A-double, manoeuvrability is a key feature of the AB-double. Fitted with BPW steerable axles on both tankers and a steerable bogey dolly, it can achieve a swept path of only 5.8m. The design is accredited for a 50.5 tonne Gross Vehicle Mass (GVM) on Level One roads and 63.5 tonnes GVM on Level Two roads under PBS legislation.


20m tri-tandem B-double

Our PBS-approved tri-tandem 20m B-double uses steer axles to achieve a swept path of only 6.2m. It is accredited for a Gross Vehicle Mass (GVM) of 61.25 tonnes when driven on B-double routes and can provide payload gains of eight to 12 per cent or more when compared to a conventional 19m B-double on Higher Mass Limits (HML) routes.