D.B Series

Drywell/Mixer - Parallel Shaft Helical Gearboxes

D series mixer gearboxes with forced output shaft bearings, special sealings and extra oil leakage pool to prevent oil leakage out of gear unit. They are specifically designed for food and wastewater treatment industries where oil leakage can be a problem. Oil leakage can also be detected with optional oil sensor.

Input Type

DNB Series

With IEC B5/B14 motor flange

DRB Series

Direct motor coupled

DTB Series

With solid input shaft

DVB Series

With IEC B5/B14 motor mounted

Output Type

D.B.0A Series

Drywell with hollow output shaft

D.B.1A Series

Drywell with solid output shaft

D.B.SA Series

Drywell with shrink disc

    Specifications & Advantages

  • Reinforced bearings and flange for withstanding high radial and axial loads.
  • Special sealings, extra oil leakage pool and optional oil sensor to detect and prevent the oil leakage.
  • Labyrinth sealing for excessive dust


Gearbox Gearbox Size
Ratio Range Ratio Range [i]
Nominal Torque Nominal Torque [Nm]
Hollow Shaft Diameter Hollow Shaft Diameter [mm]
D.B28 4 - 3.800 600 Ø40/80
D.B37 4 - 4.820 820 Ø50/100
D.B47 4 - 6.136 1.550 Ø50/100
D.B57 4 - 10.147 3.000 Ø60/120
D.B67 4 - 9.508 4.300 Ø70/140
D.B77 4 - 24.963 8.000 Ø90/170
D.B87 6 - 20.226 13.000 Ø110/210
D.B97 7 - 20.566 18.000 Ø120/210