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Big Boy GMC Sierra by Rolling Big Power & Dieselbrothers

Reading time 4 Min.

Big Boy GMC Sierra by Rolling Big Power & Dieselbrothers

With Keaton "The Muscle" Hoskins, Rolling Big Power, one of the leading manufacturers of engine spare parts, running boards, rims, suspension and exhaust components, has moved away from the DieselSellerz (Diesel Brothers) partnered to build a unique 2018 GMC Sierra 3500HD Denali for SEMA 2019. The huge truck was built for Jonathan Barber, who was injured in an accident in a coal mine in 2017 and has since been paralyzed in a wheelchair. Because of this limitation, Jonathan Barber first had to give up his dream of owning his own truck - a hard stroke of fate for the long-standing truck enthusiast. Barber then got to know Hoskins through initial contact via social media channels. A friendship developed between the two over a short period of time, which motivated Hoskins to convert the Sierra 3500HD into a handicapped-accessible show truck. But of course one in the typical Diesel Brothers outfit!

Fit for everyday life and as a show truck

Big Boy GMC Sierra by Rolling Big Power & Dieselbrothers

The GMC Sierra 3500HD Denali was chosen because it was the ideal platform. The vehicle was spacious and powerful enough to meet the needs of a disabled show truck. But to fulfill Barber's dream, Hoskins set himself the goal of creating a truck that would be able to fulfill his dream not can only be used for everyday use. It should be exclusive enough to be presented in truckshows at weekends. Under the supervision of Hoskins, the truck underwent a sweeping transformation leading to a disabled-accessible show truck hydraulic wheelchair & passenger liftt complete with giant gullwing door for the restriction-free use. There were 24 inches Rolling Big Power (RBP) 12R Apex Rims on huge offroad tires at the rear even as Zwillingsbereifung are installed. And although the body has been extensively widened, it is not able to cover the second tire at the rear in any way.

legally not mobile in this country

Big Boy GMC Sierra by Rolling Big Power & Dieselbrothers

So on the road on German roads? No way! And even the 8 pointed True Spike wheel nuts would probably let the TÜV examiner screaming away. Incidentally, there were also 40 inch running boards for passengers, which can be folded in and out to make it a bit easier to get started due to the brutal suspension. Other optical changes include a purpose-built RBP grille, a fuel filler flap in the characteristic RBP design. And the massive Fusion metal aprons front and rear with additional LED daytime running lights and huge towing hooks were installed later. And the headlights ex factory are replaced. Front and rear shine now Primo Dynamics lights that also contribute a part to the characteristic appearance and allow the truck the individual look.

Big Boy GMC Sierra by Rolling Big Power & Dieselbrothers

Under the bonnet of the GM Sierra 3500 HD sits a 6,6-liter turbo diesel Duramax V8, which has 445 PS and powerful 1.234 NM torque at the factory and gives the power to the huge slugs. The engine is initially coupled to a six-speed automatic by Allison. But of course, the engine was modified. With HP chip tuning and a few hardware changes, performance increases dramatically, requiring a Wehril custom fabrication gearbox and a SunCoast torque converter to keep everything durable. The truck was completely in black and equipped only with some chrome applications and even the huge RBP tailpipe of Sidepipe sports exhaust system shines in matte black. If we receive timely information on further changes, there is of course an update for this report. You will be informed if yours is just ours Feed subscribe to. Have fun watching the pictures and stay true to us!

(Photos: DieselSellerz (Diesel Brothers) & Rolling Big Power)

Of course that had not been the case. Our tuning magazine has tens of thousands more tuning reports in stock. Do you want to see them all? Just click HERE and look around. Or are you particularly interested in the typical American king-size brand GMC? Then the following excerpt is for sure just the right thing.

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Big Boy GMC Sierra by Rolling Big Power & Dieselbrothers

Big Boy GMC Sierra by Rolling Big Power & Dieselbrothers

Big Boy GMC Sierra by Rolling Big Power & Dieselbrothers

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About Thomas Wachsmuth

Thomas Wachsmuth - He has been an integral part of tuningblog.eu since 2013. His passion for cars is so intense that he invests every available penny in them. While he dreams of a BMW E31 850CSI and a Hennessey 6x6 Ford F-150, he currently drives a rather inconspicuous BMW 540i (G31/LCI). His collection of books, magazines and brochures on the subject of car tuning has now reached such proportions that he himself has become a walking reference work for the tuning scene.  More about Thomas

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