DONALDSON KEY PARTNER IN TOYOTA GAZOO RACING SA'S DAKAR

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ROSARIO - It is, without any doubt, the world's toughest motor race. Competed over more than 9,000 km, across two South-American countries, the 2016 edition of the legendary Dakar Rally saw competitors from across the planet take part on motorcycles, quad bikes, in trucks and purpose-built racecars. This year an intrepid South African team counted amongst the competitors for the fifth time, and despite facing off against some of the giants in the automotive world, Toyota Gazoo Racing SA, as the team is now known, came back carrying a trophy.

“This isn’t a race that is won or lost by a single person or even a single crew,” said Toyota Imperial Team Principal Glyn Hall after returning from South America. “It takes a dedicated team to run the cars, a talented driver and navigator to keep it all on track, and a massive network of technical partners and suppliers back home that all play a part in creating the best possible race vehicle in the first place.”

The Toyota Hilux that took part in this year’s Dakar is essentially the fifth generation of Dakar Hilux built and developed by Toyota Motorsport at the Hallspeed facility in Barbeque Downs near Kyalami in Midrand. During the team’s first foray on the Dakar, back in 2012, Giniel de Villiers and German navigator Dirk von Zitzewitz achieved and amazing third place overall. In 2013 they did one better by claiming second overall, before attaining fourth place in 2014. They followed this up with another second place during 2015, and added to the tally with a stunning third place during the 2016 edition.

“This year we had a fantastic race,” said De Villiers after finishing his 13th Dakar. “We just couldn’t catch Nasser (Al-Attiyah in a MINI), but the 2015 Toyota Hilux is by far the best of the Hilux attempts so far. We were right there in the thick of it, and on the Dakar, that’s saying a lot.”

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According to Glyn Hall, effective filtration plays a key roll in the design of any race vehicle: “Essentially we want maximum airflow through the smallest, most effective air filter possible. And this goes for our Dakar vehicles, rally cars and cross country bakkies too.”

As such the filter housing must be compact and simple, yet totally reliable in terms of dust leakage. And as with anything in motorsport, it needs to be easy to access, so that filters can be changed very quickly if needed.

But thanks to the varied terrain encountered on the Dakar as well as the local races, the filters must also be able to cope with small amounts of water, without damaging the integrity of the filter itself. And the housings have to make provision to drain or dissipate the water quickly, so that the filter itself can return to maximum efficiency in the shortest possible time.

As a matter of fact, Dakar 2016 was one of the wettest events on record, with floods causing the cancellation of more than one section of the race. And during the first week, in the lowlands of Argentina, the race vehicles were forced to race in extremely wet conditions.

To make matters even more challenging, the filters used on the Dakar in 2016 also had to cope with extended periods of exposure to extreme amounts of dust, without compromising on either filtration or airflow. As much as a cup full of dust can come out of an air filter at the end of a stage on the Dakar, yet the Donaldson filters employed this year showed no measurable degradation in terms pressure throughput.

“We measure the air pressure on each stage of the race,” explained Hall. “This year we couldn’t detect any pressure drops during the race, despite some of the most varied conditions we have yet encountered.”

For the 2015 Dakar Toyota elected to move to the new Powercore range of Donaldson filtration products, and employed them again in 2016. The original decision was mainly due to space limitations, which did not allow the use of a more traditional cyclonic filtration system. As a result the team relied completely on the new filter alone, and achieved better-than-expected results throughout the two races.

But it isn’t all about air when it comes to filtration. Toyota Motorsport also uses Donaldson fuel filters in their race vehicles, and where direct fuel injection is used, clean fuel is of the utmost importance. Due to the nature of off-road racing and rallying, the service areas are often dusty places where swopping out fuel filters pose a risk. As such the team relies on Donaldson to supply filters that are able to last a long time, yet offer enough capacity to filter out any contaminants along the way.

Finally the team also uses hydraulic filters supplied by Donaldson, both for the steering system – and in the case of the Dakar Toyota Hilux, also on the hydraulic jacks that can lift the vehicle for quick tyre changes.

All of this technology played a part in the 2016 Toyota Dakar effort. And judging by the result achieved, it is clear that Donaldson filtration systems delivered throughout. Now it is time for the local racing season to get under way, and while Dakar may still be fresh in everyone’s memory, the reality is that the motorsport circus never really stops.

For Toyota SA Motors it is a point of pride that a South African team took on the giants of the Dakar and came away with a podium finish. It is a great result, not only for the company and its Dakar sponsors, but for the country as a a whole. For Donaldson the chance to partner with the successful team was an opportunity not only to showcase its technical abilities, but also to prove how effective its products are by deploying them on the toughest motor race in the world.

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