Allison Transmission, Isuzu and Cummins Showcase New Isuzu F-Series Vehicles During Ride Drive Event INDIANAPOLIS--(BUSINESS WIRE)--Allison Transmission, Isuzu, and Cummins recently hosted a Ride Drive event for fleet customers and members of the media to showcase the new Isuzu F-Series Class 6 FTR and new Class 6 and 7 FVR trucks, exclusively equipped with Allison’s Rugged Duty SeriesTM (RDS) transmissions paired with the Cummins B6.7 engine. At the Ride Drive event, attendees were invited to test drive Isuzu’s recently launched F-Series vehicles featuring a low cab forward design