Hansen M4KB Heavy Industrial Gear Units & Agitator Drives
The Hansen M4KB Industrial Gear Unit Series (featured model: M4KB-R43-B-63 Right-Angle Agitator Drive) is Hansen Transmissions' specialized industrial drive platform, engineered specifically to withstand the extreme dynamic loads, heavy bending moments, and severe axial thrust inherent to top, bottom, and side-entry industrial mixers, agitators, aerators, and chemical reactors. Incorporating an **Extended Bearing Distance (EBD)** design with heavy-duty spherical roller output bearings, M4KB units absorb intense hydraulic turbulence and shaft deflection directly within the gear unit, preventing internal gear mesh misalignment. Built with high-rigidity ductile iron housings and precision-carburized helical and bevel-helical gear sets, these drives feature a patented **100% leak-proof Dry Well output shaft seal arrangement** to guarantee zero oil contamination into delicate processing tanks below. Covering reduction ratios from 6.3:1 to 160:1 across right-angle and parallel configurations, Hansen M4KB industrial gear units serve as the direct 1-to-1 mechanical upgrade for legacy **Hansen Power5 and HPP agitator drives** in chemical processing, municipal wastewater treatment, paper pulp refining, and mineral leaching tanks.
Technical Specifications
| Featured Model | M4KB-R43-B-63 (Size R43, Bevel-Helical Right-Angle, 1:63 Nominal Ratio, Extended Bearing Span, Dry Well Sealing) |
|---|---|
| Brand / Manufacturer | Hansen Industrial Transmissions (Sumitomo Heavy Industries Group) |
| Product Series | Hansen M4KB Dedicated Agitator, Mixer & Aerator Industrial Gear Units |
| Frame Sizes Covered | Dedicated Heavy Frames: Size C, Size D, Size E, Size F, Size G, Size H (Extended Output Span) |
| Output Torque Capacity | 6,000 Nm to 100,000 Nm (53,000 lb-in to 885,000 lb-in Continuous Output Torque) |
| Reduction Ratio Range | Right-Angle Bevel-Helical & Parallel Shaft: 6.3:1 to 160:1 (2-Stage & 3-Stage Helical) |
| Overhung Bending & Thrust Protection | Extended Bearing Distance (EBD) Output Hub with Reinforced Spherical Roller Bearings |
| Leak Prevention Technology | Patented Oil-Tight Dry Well Output Shaft Sleeve (100% Zero Tank Contamination Sealing) |
Documentation & Resources
Hansen M4KB Series Frame Size, Torque & Ratio Selection Matrix
Complete selection matrix for Hansen M4KB industrial mixer gear units. Review frame sizes, allowable output torques, available ratios, and standard model naming conventions:
| Hansen Frame Size | Gearing Configuration | Max Output Torque (Nm) | Available Ratio Range | Hansen Model Code Example | Agitator Shaft Fitting |
|---|---|---|---|---|---|
| Size C (R32 / R33) | Right-Angle Bevel Helical | 12,000 Nm | 6.3:1 - 160:1 | M4KB-R33-B-40 | Solid Flange / Hollow Shaft |
| Size D (R42 / R43) | Right-Angle Bevel Helical | 22,000 Nm | 6.3:1 - 160:1 | M4KB-R43-B-63 | Solid Flange / Hollow Shaft |
| Size E (R52 / R53) | Right-Angle Bevel Helical | 38,000 Nm | 6.3:1 - 160:1 | M4KB-R53-B-80 | Reinforced Flange Mount |
| Size F (R62 / R63) | Right-Angle Bevel Helical | 55,000 Nm | 6.3:1 - 160:1 | M4KB-R63-B-100 | Reinforced Flange Mount |
| Size G & H | Right-Angle Bevel Helical | 75,000 - 100,000 Nm | 6.3:1 - 160:1 | M4KB-R73-B-125 | Custom Agitator Shaft Hub |
Legacy Hansen Agitator Drives to M4KB Series Upgrade Guide
Direct replacement guide for upgrading older Hansen Power5 and HPP agitator drives to current M4KB industrial gear units with 100% mechanical interchangeability:
| Legacy Hansen Agitator Model | Legacy Torque & Frame Size | Current Hansen M4KB Equivalent | Key Performance & Sealing Upgrades |
|---|---|---|---|
| Hansen Power5 Size 3 Agitator Unit | 10,000 Nm - 14,000 Nm | Hansen M4KB Size C (R33) 100% Direct Drop-In | Patented Dry Well output sleeve guarantees zero oil leakage into process tanks below. |
| Hansen Power5 Size 4 Agitator Unit | 18,000 Nm - 24,000 Nm | Hansen M4KB Size D (R43) 100% Direct Drop-In | Extended Bearing Distance (EBD) absorbs heavy hydraulic bending moments without gear tilt. |
| Hansen HPP Agitator Size 5 / 6 | 35,000 Nm - 50,000 Nm | Hansen M4KB Size E / Size F 100% Direct Drop-In | Reinforced ductile iron housing withstands intense fluid turbulence in chemical reactors. |
Expert Technical Sourcing & Agitator Drive System Integration Notes
When servicing or replacing older Hansen Power5 or HPP agitator drives on severe continuous process lines, upgrading to current Hansen M4KB gear units delivers immediate operational advantages: 100% elimination of tank oil contamination risks via Dry Well sealing, extended output bearing spans that isolate gear meshing from severe shaft bending forces, heavy-duty ductile iron housing rigidity, and complete physical mounting interchangeability with existing vessel flanges. Simply provide us with your existing gear unit nameplate serial number or complete model code (e.g., M4KB-R43-B-63 or P5-RND3-R43), and our technical engineering team will deliver a 100% compliant replacement specification and proposal.
Core Benchmark Model Standard Configurations
- M4KB-R33-B-31.5 (Agitator Drive)
- M4KB-R33-B-40 (Agitator Drive)
- M4KB-R43-B-50 (Agitator Drive)
- M4KB-R43-B-63 (Agitator Drive)
- M4KB-R53-B-80 (Agitator Drive)
- M4KB-R63-B-100 (Agitator Drive)
- Hansen M4KB Dry Well Sealing Unit
- Hansen M4KB Extended Bearing Span
- Hansen M4KB Chemical Agitator Drive
- Hansen M4KB Wastewater Aerator Drive
- Hansen M4KB Pulp Reactor Gear Unit
- Hansen M4KB Spherical Roller Output
- Hansen M4KB Bevel Helical Reducer
- Hansen M4KB Ductile Iron Housing
- Hansen M4KB High Thrust Output Shaft
- Hansen M4KB Top Entry Mixer Reducer
- Hansen M4KB Side Entry Agitator Reducer
- Hansen Power5 Agitator Replacement
- Hansen HPP Agitator Drive Replacement
- Hansen Industrial Agitator Gearbox
