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Instrument Panel (Truck)


If you don't look too closely at the speedometer and the rev-counter, you could imagine yourself to be in a well equipped, mid-range motor car. Only the screw which can be seen on the right, gives the game away, it's also not really fine wood, but rather a synthetic material.

How it works

For the truck driver this is where he does his job. This becomes clear, not only because of the air-supported seat, but also by the dash board. A look at the fuel gauge, combined with the trip-meter and the display, doesn't tell us a great deal about the size of the tank. Since 250-300 liters are, for a truck fuel tank, definitely not enough, capacities of 500, 1000 or even 2000 liters are more than likely possible. Research letters confirm that the indicated fuel consumption is fairly normal.
The second instrument is also interesting. Obviously, truck engines should not be revved at more than 2500 RPMs. However, if one looks at the green area, it appears, to the motor car driver, to be perhaps a little unusual. Particularly the small range between min.- and max. RPMs. Indeed, this truck can travel at 80 km/h using just 1500 RPMs. Apparently one should change gear in such a way that 1100 RPMs are reached in the next highest gear. This would correspond to a little more than 50 km/h in the highest gear. Even more interesting is the small range of approx. 400 RPMs., this jump in RPM is obviously sufficient to change from one gear to the next. The large amount of gear-speeds in the truck gearbox (8-12-16) are responsible the for relatively small speed differences through the gears. This dashboard, by the way, comes from a fully automatic system vehicle (DAF 95 XF).
At the bottom of the figure, the two manometers, showing the pressure in the two brake circuits, are integrated. This used to be a display with two pointers. 10/09