This product has been discontinued. For information on service or replacement models, please see below.
Product Description

Flow Range: to 2165 CFM
Max Δ Pressure: 15 psi
Max Δ Vacuum: 16″ Hg
Maximum RPM: 3560
Minimum RPM: 640
Max ΔT: 230˚F
Connection: Rectangular or 8″ Flange
Shaft Dia.: 50mm
Drive End Lubrication: Oil
Gear End Lubrication: Oil
Weight: 836 lbs

ROOTS™ RAM X™ Model 400

BOM Number: 917230LB SKU: 21803 Category:


Max Flow: 2165 CFM
Max Pressure: 15 psi
Max Vacuum: 16Hg

Shipping Weight: 886 lbs
Max Flow:


Max Pressure:

15 psi

Max Vacuum:

16" Hg


Howden Roots

This product has been discontinued.

This unit has been replaced by a new model, the Tri-RAM 617.  If you have an existing model that needs service or repair, some parts are still available.  See below for parts available for purchase or contact our service department.

Product Accessories


ROOTS Tri-RAM Model 617