Cyclo®


Cyclo® Bevel Buddybox® 4 Series


Right Angle Spiral Bevel Speed Reducers with Cyclo® or Planetary Reducer Inputs

The Cyclo® Bevel Buddybox 4 Series (Cyclo® BBB4) is a robust, state-of-the-art, mid-sized family of speed reducers and gearmotors.  The Cyclo® BBB4 is a unique combination of features that result in a highly reliable, efficient and durable gearbox:  the all-steel internal construction, Cyclo® or planetary inputs, and the ductile iron housing provide unmatched ruggedness.


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New features of the Cyclo® BBB4 Series:

  • Ductile Iron Housing:  New ductile iron housing is twice as strong as cast iron, making it one of the most rugged bevel gearboxes available
  • Increased Overhung Load Capacity:  Cyclo® BBB4 has over 375% overhung load capacity than previous models
  • Increased Ratings:  The newly designed Cyclo® BBB4 series has been optimized for increased power ratings over the previous generations
  • New Larger Size:  New F Size yields higher torque and can accommodate larger shaft diameters
  • New Ratios Available:  46 standard and 87 optional ratios added
  • Unified Lubrication System:  Single oil-bath lubrication system for easy maintenance and higher performance.
  • Compact Design:  The most torque-dense right angle gearbox design available in the industry.  The new ductile iron housing allows for higher radial load in a small, compact design.


    Frame Size Power
    		Bore Range
    Max Torque
    lb·in (N·m)
    		 Max Motor Power
    HP (kW)
    		 Taper Grip Bushing
    inch (mm)
    		 Keyed Hollow Shaft
    inch (mm)
    		 Shrink Disc
    (mm)
    		 Solid Shaft
    inch (mm)
     Size A*   9,470
    (1,070)    		  25
     (20)    		   1 to 2-1/4 (23-55) (55)   1-1/4 to 2-3/16
     (45 to 55)    		   2
    (55)
     Size B*   18,851 (2,130)    40
      (29)    		   1-1/8 to 2-3/4
    (30-65)    		  (65)  1-3/8 to 2-5/8
      (55 to 65)    		   2- 7/8
    (65)
     Size C*  37,701 (4,260)   60
      (45)    		    1-1/2 to 3
    (40-75)    		  (75)  2-3/16 to 3-3/16
      (60 to 80)    		   3- 1/8
    (75)
     Size D*   77,172 (8,720)  80
     (60)    		  2-3/16 to 3-7/16
    (55-85)    		  (85)   2-3/8 to 3-3/4 
     (70 to 90)    		   3- 5/8
    (85)
     Size E*   102,660 (11,600)  100
     (75)    		  2-11/16 to 4
    (65-100)    		  (100)   2- 15/16 to 4
    (80 to 110)    		   4- 7/16
    (100)
     NEW Size F
    		 153,990 (17,400)  100
     (75)    		  3-15/16 to 4- 15/16
    (100-120)    		  (120)  3- 7/16 to 4- 3/4
    (80 to 120)    		  4-3/4
    (120)
*Cyclo® BBB4 Frame Sizes A-E are dimensionally identical to the Cyclo® BBB3




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