The 4900FA is available in a Twin Steer with a 109" BBC for heavy-duty mixer applications.

Specifications
BBC	109"
Axle Position	1st front axle: 33" 2nd front axle: 93"
Engine	3 manufacturers, 210-600 HP
Transmissions	Full range of manual, automated, and automatics
Front Axle Range	Up to 40,000 lbs.
Rear Axle Range	Up to 58,000 lbs.