Replacement GR16E401-1 Speed Reducer for Morbark

Cotta Model GR16E is a single-stage reduction gearbox designed for direct mounting to industrial engines via an SAE flange and driven in standard engine rotation (CW facing input shaft). This unit incorporates an idler shaft to provide output rotation same as input. Our speed reducers match the optimum engine speed to the optimum driven equipment speed, allowing your engine and load to both operate at ideal efficiency.

Typical uses include pumps, dredges, compressors, crushers, drills and high-performance machinery for oil & gas, construction, mining, and other industrial applications. Our heavy-duty gearboxes are designed for use with diesel engines, electric motors, PTO’s, and other prime movers. This particular unit here is a replacement GR16E401-1 Speed Reducer which will be used in the forestry market on a Morbark Tub Grinder in New Hampshire to chip limbs and branches. Cotta has supplied replacement gearbox units as well as service parts for many years for Morbark Tub Grinders worldwide.

Model GR16E Speed Reducer Specifications:

  • Max Input Torque of 1650 lb-ft.
  • Max Input Speed of 2200 RPM or as otherwise limited by input clutch or coupling
  • Ratio Range of 1.50 to 3.0
  • Integral foot mounts and integral lube pump supplied
  • Approximate weight of 1,500 lbs.

For more information about Cotta GR16E and our other speed reducers, visit the Speed Reducers Page.


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