Used Farrel FCM Continuous Mixer, Model 9FCM. Farrel Gearbox, model SP630, S/N: 39962 built 1973 w/ 1200 HP Service rating, 3.333 gearbox reduction ratio, 1000 RPM input, 300 RPM output. New in 1995 and completely rebuilt with new replaceable liner in 2003. Feed hopper 6-1/4" x 17-1/2". 3.333 gearbox reduction ratio. Entire housing pulls away by use of hydraulic assist leaving the rotors exposed. Machine has vent port which was never used. Removed from service 2005. Unit currently has #7 Chrome plated steel rotors (for rubber). Spare #15 (for plastic) may be available) Note: 1000 HP Motor not included.