Product Description

ROOTS RCS Frame 827 rotary lobe blowers

Roots RCS rotary lobe blowers are heavy duty units that are center-timed for rotation in either direction. The top shaft is extended for drive on side outlet blowers, and either shaft can be extended for drive on top or bottom outlet rotary lobe blowers. Detachable rugged steel mounting feet allow in-field adaptability to either vertical or horizontal installation requirements.*

Flow Range: to 4650 CFM
Max Δ Pressure: 13 psi
Max Δ Vacuum: 16″ Hg
Maximum RPM: 2250
Minimum RPM: 477
Max ΔT: 230˚F (260˚F with Oil Cooler)
Connection: 14″ Flange
Shaft Dia.: 2.75″
Drive End Lubrication: Oil
Gear End Lubrication: Oil
Required Oil for Horizontal Unit: 4.8 pints Gear End
Required Oil for Horizontal Unit: 8 ounces Drive End
Required Oil for Vertical Unit: 2.06 pints Gear End
Required Oil for Vertical Unit: 8 ounces Drive End
Unit Weight: 1600 pounds (727.3 kg)
Shipping Container: Skid

*Changing the configuration of this blower does require additional work including removing the drive cover, removing the existing spring pins, rotating and repositioning the drive cover and aligning it with the shaft, and drilling new holes for the spring pins.  Repositioning of plumbing may also be required.

ROOTS BOM# 66749110 Bottom Drive, Center Timed

For more info about our Roots Rotary Lobe Blower equipment:
View all of our Roots RCS Rotary Lobe Blowers
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827 RCS Roots Rotary Lobe Blower

BOM Number: 70712110, 66749110 SKU: N/A Category:


  • Meets Build America Buy America Act requirements
Shipping Weight: 1605 lbs
Shipping Dimensions: 54 × 32 × 37 in
Max Flow:


Max Pressure:

13 psi

Max Vacuum:

16" Hg

Max Speed:

2250 RPM




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