| Shipping | Tax | Terms Shopping Cart 0 Items Request for Quote 0 Items All Categories > Vacuum Pumps, Blowers & Parts > Vacuum Pumps & Blowers > Republic Manufacturing Pumps > Roots™ Rotary Lobe Blowers > Item # 621 Download PDF Download PDF Printable Page Email This Page Save To Favorites Please wait… Item # 621, Roots™ Tri-RAM™ Tri-Lobe 2900 Revolutions Per Minute (rpm) Motor Speed Blower Web Price QUOTE larger image Financing · Specifications · Note Financing Approve Payments Finance with Approve Payments Specifications Motor Speed 2900 rpm Temperature Rise 230 ºF128 ºC Delta Pressure 12 psi827 mbar Inlet Vacuum 16 inHg539 mbar Oil Sump Gearbox Capacities (Left or Right) 95 oz2.81 L Oil Sump Gearbox Capacities (Top and Bottom) 55 oz1.63 L Oil Sump Drive End Capacities (Left or Right) 50 oz1.48 L Oil Sump Drive End Capacities (Top and Bottom) 28 oz0.83 L Note These capacities are provided to assist stocking the correct amount of oil. Exact sump capacity may differ slightly. DOWNLOADS Brochure for 4400 Revolutions Per Minute (rpm) Motor Speed Roots™ Tri-RAM™ Tri-Lobe Blower (PDF, 1400KB) Maintain Your Air Compressor Learn more about maintaining your air compressor by downloading our eBook on air compressor maintenance. Download eBook