Tag Archive for: Direct Mount Transfer Case

Cotta manufactured these direct mount transfer cases that will be directly mounted to the back of an Allison Transmission, and will be used in oilfield workover rigs.  These units have been extremely reliable and durable in harsh conditions.   This model is a three shaft transfer case designed to direct mount via flange to Allison HD4000 Series transmissions.  Three output stations are available for fitment with various options, such as drive-line yokes, companion flanges, drive shafts, PTO disconnects, axle disconnects, pump pads, clutches, and similar ancillary equipment.


Normal Application Power:  600 HP

Input Torque Capacity:

  • 1500 lb-ft. continuous through gears
  • 12500 lb-ft continuous through PTO shaft
  • 17500 lb-ft momentary through PTO shaft

Max Input Speed:  3000 RPM

Ratio:  1:1 input to output

Center Distance:  19 inches input to output

Rotation:  Outputs rotate same direction as input

Lubrication:  Internal reservoir. Lube pump furnished

Shifting:  Disconnects are air shift.  Mechanical shift options available

Output Shaft Size:  2.75-10 straight side spline

Common Options:  SAE and ISO yokes and flanges, disconnects, pump pads, clutches, stub shaft

Weight:  Approximately 1400 lbs.


To learn more about Cotta Transfer cases, call 608-368-5600, or email sales@cotta.com .