The Falk 400MDX3 is a Type MDX right‑angle mixer gear drive designed for pedestal‑mounted mixing service. This unit is set up with a 58.43:1 nominal ratio and 5 HP input, providing about 29.95 RPM output from 1750 RPM input with a Service Factor 2.48—ideal for slow‑speed, high‑torque mixing duties.

Key specifications

• Model: 400MDX3

• Ratio: 58.43:1 (nominal 58.430)

• Input speed: 1750 RPM → Output speed: ~29.95 RPM

• Input power: 5 HP

• Service factor: 2.48

• Shaft orientation: Right‑angle (MDX series)

• Size/Class: 400 (MDX sizes 300–900 per OEM)

• Mounting: Pedestal mount (MDX series)

Features & benefits (MDX platform)

• Purpose‑built for mixer service; right‑angle output; vertical or horizontal output configurations available in MDX family.

• Drywell feature standard on many vertical drives; grease‑lubed LS bearings in MDX vertical builds (per OEM).

• Designed for reliable torque transfer at low output speeds. rexnord.com

What’s included / condition

• Included: Gear drive unit as shown.

• Not included: Motor, couplings/guards, base skid unless specified.

• Condition: Listing: “Remanufactured.”

Documentation (clickable OEM PDFs)

• Falk RAM® / MDX Mixer Drives — I&M (Types MDX/MDH; Sizes 300–900) (PDF). rexnord.com

• Falk MDX Coupling/Motor Bracket Data (selection/mount data; PDF). rexnord.com

Applications & fit
Process mixing, agitation, and blending in pulp & paper, chemical, wastewater, and industrial tank services needing slow‑speed, high‑torque output.

Shipping, returns & contact
Ships freight from Minneapolis, MN; 30‑day returns. For quotes: Sales@dwpindustrial.com | Logistics: Logistics@dwpindustrial.com.