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LOUISVILLE, Ky. — Buyers of Sterling’s Acterra or Freightliner’s Business Class medium-duty trucks will soon have more spec’ing choices with the introduction of two Mercedes-Benz manual transmissions.

The six-speed units feature hydraulically-actuated clutch systems allowing for an intuitive shift pattern, which simplifies operation. The direct-drive MBT520S-6D has been engineered for trucks up to 40,000-lb gross combination weight (GCW) and its beefier cousin, the over-drive MBT660S-6O, can handle as much as 60,000lb in GCW.

“Fleet managers who think driveability and fuel economy are of paramount importance should consider these transmissions,” says Bill Nicholson, a Freightliner LLC marketing strategy director. “And customers with trucks on the lighter end of the medium-duty scale who are using automatic transmissions should look at these (units) as a real alternative.”

Both Mercedes-Benz trannies feature a standard six-bolt power take-off (PTO) port on their right side for easy installation. The port is located at the 5 o’clock position. The new models can work with a variety of PTOs in multiple torque and horsepower ratings.

A standard three-year or 150,000 mile warrantee covers all parts and labor. The Mercedes-Benz transmissions will be available in the second quarter of 2001.

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