Model 2112 is a full power version of the Model 1112 and includes a self contained hydraulic system capable of applying 15,000 lbs. of pressure at the point of roll grooving to handle pipe up to 12" diameter Schedule 40. The hydraulic pump, 1 HP pump motor and reservoir are housed in the unit's sturdy steel base. Once the Automatic Depth Stop is set, the operator pushes a button and the machine rolls the groove to the predetermined depth. moving the Pressure Release Hand;e retracts the hydraulically powered Ram so the operator can remove and check the groove. Model 2112 is shipped completely assembled.