C Series
crane gearbox

C Series

The ATA Series is a shaft mount helical gear reducer that mounts directly to the driven shaft with a number of accessories available to produce versatility, cost savings and long life. It feature shafts and gears manufactured from the highest grade steel, case hardened and precision ground to AGMA standards for long lasting durability.

Housings are 100% cast iron to provide industrial grade protection for the life of the unit. Shafts are sealed with reinforced double lip to protect against contamination and prevent oil from escaping.

Premium ball and tapered roller bearings provide smooth operation and lower noise. Extended gear centers ensure tooth contact and provide consistent operation.

Hollow Bore type is tapered. A long list of standard features makes this reducer suitable for a wide range of environments right off the shelf.

Technical Data:

Rated Torque 150…16000 Nm
Transmission i = 5.0…31.5
Power 1.1…156 kW
Translation Stages 1 and 2 Stage
Gear type 30 - 125  (10 SIZES)
Type ATA

Input Mode

  • Keyed solid shaft
  • IEC Motor Flange

Output Mode

  • Keyed hollow shaft
  • Up to three bore options per frame
  • Spline hollow shaft to DIN 5480

Main Options

  • Backstop - Available on all frame sizes, externally accessible
  • Torque arm


  • Foot Mounting in horizontal and vertical position
  • Interchangeable with leading brands