Engine 4 began service with the Rockwall (TX) Fire Department on November 4, 2019. At the same time, an engine in the same specification was placed in service at Station 2.

Engine 101 began service with the Addison (TX) Fire Department on February 18, 2019. Both cab (10 inch raised roof) and chassis are the Sutphen Monarch model. Cab seating for 4 is provided along with a large, center-mounted EMS cabinet installed at the rear of the cab.