The Rockwell rearend has a Humpco aluminium billet center section with a Humpco differential, a special made ring and pinion gear and Franklin aluminium planetary carrier housing with special made planetaries. The new Bits ´n Pieces also has a homemade Crossbox with special built gears, a homemade driveline and a SCS Reverser. Each John Deere power plant have a Crower centrifugal clutch with 4 discs and a Browell aluminium clutch bellhousing. Willem use for his new ride a set of Northern Sheen aluminium rims from Canada with new cut Firestone Puller 2000 HP tyres.
The new VSP Bits ´n Pieces is powered by 2 6 cylinder John Deere engines with 10.5l / 640cui. capacity on methanol fuel. Each power plant have a John Deere stock block with a VSP (Veldhuizen Special Product) billet steel crankshaft, VSP billet aluminium rods and pistons, Darton sleeves, a VSP aluminium billet cylinder head with billet camshafts, Victorie valves and springs, a homemade intake and exhaust manifold, 3 VSP Holset HX 82 turbochargers with billet intake wheels, a VSP fuel pump with a VSP fuel system, a Aviaid oil pump, a homemade fuel tank, a MSD 8 ignition and a RPM data logger. Each JD engine make around 3800hp and over 5000Nm torque on the dyno.
The Bits ´n Pieces Pulling Team compete with their new Modified Tractor in Dutch Grand National Championship (3.5t / 7700lbs. Mod and 4t / 8820lbs. Unlimited division) this year.
The Team is happy so far with the performance of the new twin John Deere powered Modified Tractor and everything is currently on the right way. The first 2 runs in Made, the Netherlands wasn´t perfect, but the last runs were pretty well in the past weeks. The Tractor is better drivable and brings the power much better on the ground than the old one now.