STM Helical, Bevel & Planetary Gearboxes

It’s important to eliminate the guesswork to select the right gearbox. It could become a costly exercise when you try to guess what the best option is and you don’t get optimal performance.

STM is one of the largest Italian manufacturers of gearboxes, with a proven track record of great performance and quality.  They are regarded for their wide range.  Choosing STM is a surefire way to get the best Helical, Bevel and Planetary Gearboxes. In short, this ensures you get the right gearbox and ultimately minimize costs.

Why STM Hightech

  • More efficient
  • Large range of size and ratios
  • Interchanges with other brands
  • Standard IEC motor mounting
  • Hardened gears for longer life
  • Suited to medium to heavy workloads
  • Hollow and solid outputs
  • Quieter operation
  • Runs cool

Suitable for

  • Pumps and drives
  • Medium to heavy duty conveyors
  • Any range of food processing equipment
  • Auger drives
  • Heavy duty applications
  • Drive rotary valves



Shaft Mounted Helical Inline

P Series

  • Sizes 63-190
  • Ratio 2.6:1-278.1:1
  • Hollow shafts 25-80mm

Skew Axis Helical Bevel

SM Series

  • Sizes 25-45
  • Ratio 8:1-148.8:1
  • Hollow shafts 19, 25, 30mm

Shaft Mounted Helical Inline

PL Series

  • Sizes 25-135
  • Ratio 17.2. 1-1101:1
  • Hollow shafts 20-100mm


EX Series

  • Large model selection
  • Demand for high torque loads
  • Efficient

Helical Inline

AM Series

  • Sizes 25-120
  • Ratio 1.2.1 - 277.3:1

Bevel Helical

OM Series

  • Sizes 63-190
  • Large Ratio range
  • Hollow shafts 25-80mm

Pre-stage Helical

M Series

  • Sizes M63, M71 & M80
  • Ratio 5.3:1
  • Output shafts 11, 14 & 19mm


Case Study

Don't ever get caught on the hop

Don't ever get caught on the hop

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Examples of Use

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