Thursday, March 14, 2019

The new Destiny

In 2017, the T Valt Met Pulling Team from Vaassen in the Netherlands started with the building of their new Valtra Limited Super Stock Tractor, after 2 years of hard work the Component Tractor is ready now. Back to 2015, Gabriel and Roy ter Hoeven began with the planning and the construction of their new vehicle on the computer. In those first 2 years, the new Valtra was completely constructed and developed on CAD and 3D. During the development the Team also started with the parts sourcing for the new Limited Super Stock and purchased a lots of good used parts.
The new Component Tractor got a completely new homemade 25CrMo4 tube frame with a new homemade 25CrMo4 rollcage, a Rockwell rear axle housing, a self built hydraulic steering and a new constructed drawbar.
For the new ride they decided to use a new Valtra T174 hood and new Valtra T174 fenders of the current Valtra T Series.  
The aluminium sheet metal work around the new frame and the Valtra hood were mostly done by the Team in the workshop of the company called ``W&M Engineering", in Apeldoorn, the Netherlands. After all the sheet metal work was finished, the hood, the fenders and all the sheet metal parts went to Spuiterij Gerrits B.V from Vaassen to get the paintjob. The whole chassis will receive his paintjob in the end of the year. 
The rear wheels on the new tractor are a set of used Midwest aluminium rims with cut Firestone 24.5 x 32 All Traction Puller tires. The Midwest rims with the Firestone Puller tires were purchased from the Mud Patrol Pulling Team from Alphen, in the Netherlands.
The Rockwell rear axle housing in the chassis is shortened and received a Rockwell SQHD center section with a Powerdiff differential, a special made ring and pinion gear and Franklin magnesium planetaries carrier housing with Franklin planetaries.
In the new drivetrain they are using a SCS reverser with a homemade drive shaft from the reverser to the clutch, a 11" inch 3 disc Crower centrifugal clutch with a homemade steel fly wheel and a Mr. Gaskett steel clutch bell housing.
The most of the parts for the rear axle and the drivetrain bought the Dutch Team from John van Alphen (Popeye Pulling Team) in Bladel.
The new Destiny is powered by a 6 cylinder Sisu engine with one turbocharger and 7l displacement on alcohol fuel. The power plant was completely new rebuilt and received a machined Sisu cast iron engine block with new Darton sleeves, a new counterweighted Sisu crankshaft with new VSP (Veldhuizen Special Products) billet aluminium rods and pistons, a revised 24 valve Sisu cylinder head, new Sisu valves and stronger valve springs, a new billet steel camshaft from Jan Burggraf (New Generation Pulling Team), new cnc-milled valve covers made by ,,Metaal Techniek Apeldoorn B.V, a homemade stainless steel intake and exhaust manifold, a billet Holset HX82 turbocharger with a homemade intake and exhaust impeller wheel, a self built stainless steel fuel tank, a VSP alcohol fuel injection system with a Waterman fuel pump, a self built aluminium oil pan, a Aviaid oil pump, a MSD 6 Plus ignition and a AIM data logger with dashboard and HD camera. The new data logger has a GPS module, different pressure sensors (for turbo, fuel and oil pressure), different temperature sensors from Veldhuizen Special Products (to measure the exhaust temperature of every single cylinder) and a LCU lambda control module. In a few weeks, the T Valt Met Pulling Team also will become a supplier of AIM data logger systems for Tractor Pulling. All Valtra parts what they have used for the Limited Super Stock come from the Agricultural Machinery parts dealer "Leemac Re-use tractor parts" from Liessel, in the Netherlands.
The maiden run in front of the crowd was planned for the Indoor Pull in Zwolle. Two days before the event, the Team together with Willem Veldhuizen wanted to make a test pass in front of the sled in Zwolle. But the bolt from the control of the thrust bearing was broken. All of this had a considerable impact on the rest of the drivetrain. Among other things, the drive shaft was twisted to the reverser and both half shafts in the rear axle were twisted too. In this short time it wasn't possible to fixed the damage. The Team will make some improvements in the drivetrain and then the problem should be solved.
The Dutch Team will compete on all Dutch Championship rounds and on some other Pulling events in Europe this year.
The official maiden voyage of the new Valtra Limited  Super Stock Tractor is planned for the 4th of May 2019 at the NTTO National Pull in Oud Gastel, the Netherlands.

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