Case IH Magnum MX180-270

After producing 100,000 Magnums, Case IH introduced the MX Magnums for 1999. The engines were still 8.3-liter Cummins units, but they had been tuned to deliver even more impressive power and torque figures. Rated power was available throughout the 1,450–2,000 rpm range, with peak power reached at 1,700 rpm. All engines featured an intercooler and a wastegate turbocharger. The two most powerful models also used four-valve technology and an electronic injection pump. Torque increases were quoted at 40–44 percent. For optimal weight distribution the engine was mounted very far forward.

The transmission was an 18+4-speed powershift. With the addition of creep gears it offered 24+6 speeds. The reverse speeds (4.5, 5.5, 11.2 and 12.9 km/h) were not particularly practical. New for this model, following the example of the smaller tractors, was a hydraulic direction reverser located beneath the steering wheel. Except for the smallest model, there were now eight brake discs.

In the updated cast-iron frame the profile was narrowed around the engine to increase wheel steering angle, resulting in an exceptionally tight 9.9 m turning circle for a tractor of this size. The engine itself was moved 50 cm further forward and 15 cm higher. The Dana front axle was strengthened compared with earlier versions. Hydraulic capacity was slightly increased, and as an option a new 167 liter/min pump was available.

The cab was claimed to be the largest on the market in both volume and window area. Noise level was 74 dB. The controls filled the armrest so completely that you could no longer lean on it when the linkage control levers were stowed under their cover. Elsewhere you found only the heater controls and the direction reverser. The digital instrument cluster was mounted on the cab’s A-pillar. The power output of the HID work lights was five times that of halogens. All electronics in the tractor were implemented over a CAN bus.

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