Mastercraft® Replacement Motor for Sootmaster 641M, 652M & Blower B650 — 2-Stage Thru-Flow, 850W, 120V AC

Mastercraft® Replacement Motor for Sootmaster 641M, 652M & Blower B650 — 2-Stage Thru-Flow, 850W, 120V AC

Mastercraft® Replacement Motor for Sootmaster 641M, 652M & Blower B650 — 2-Stage Thru-Flow, 850W, 120V AC The Mastercraft® Replacement Motor for Sootmaster 641M, 652M & Blower B650 is a heavy-duty 2-stage vacuum motor engineered for continuous-duty performance in commercial and industrial cleaning applications. Built on the proven Lamb/Ametek 5.7" frame platform, this motor delivers powerful suction with long service life thanks to its replaceable brush design. Key Features 2-Stage fan configuration for maximum suction power Thru-Flow design — cooling air passes through the motor for continuous-duty operation 850W output at 120V AC Up to 142" H₂O sealed vacuum and 146 CFM airflow Replaceable brushes for extended motor life (Brush Kit: 833384-51) 5.7" frame — direct drop-in replacement Durable construction for industrial and commercial environments Specifications Motor Type: Brushed Vacuum Motor Frame Size: 5.7" Power: 850W Voltage: 120V AC Stages: 2 Discharge: Thru-Flow Max Vacuum: 142" H₂O Max Airflow: 146 CFM Speed Control: None (Fixed Speed) Replacement Brush Kit: 833384-51 Used in Mastercraft® Machines Sootmaster® 641M Sootmaster® 652M Blower B650

• OEM Lamb 116311-01 2-stage bypass replacement motor rated at 850 watts and 120 volts for direct field service replacement
• Compatible with Sootmaster 641M, Sootmaster 652M, and Big Red Blower B650 vacuum and blower models
• Direct replacement for the original Lamb motor maintains factory airflow and suction specifications in compatible units
• Drop-in fitment preserves original motor housing alignment and electrical connection points for efficient technician service
• Using genuine Mastercraft OEM Lamb motor ensures factory-matched performance and preserves remaining warranty coverage
• Contact Mastercraft USA with model number and serial number to confirm compatibility before installation