Cotta SN1645 High-Speed Transmission

Model SN1645 is a right-angle add-on high speed gearbox designed to permit attitude testing of constant speed drives and generators. This model can be installed on existing test stands. The output shaft can be positioned in 7-1/2 degree increments from 112 degrees above, to 135 degrees below the horizontal. This angular range is from 11 o’clock through 7:30 o’clock when looking at the output of the test stand.

  • Specifications

    POWER: 300 HP max power

    OUTPUT SPEED: 20,000 RPM

    RATIOS: 2.0 overspeed. (Contact us for others)

    MAX ACCEL / DECEL RATE: 1000 rpm/sec at output

    INPUT CONFIGURATION: AND 10267 compatible except with 48 mounting holes versus 12

    OUTPUT CONFIGURATION: AND 20007 compatible except with 36 holes versus 12 holes.

    ROTATION: Input can be driven cw or ccw. Output rotates opposite to input.

    LUBRICATION: Separate lube system required and is supplied by Cotta.

    OPTIONS: Accelerometers, speed pickup, and other application specific items can be accommodated or supplied

    APPROXIMATE WEIGHT: 750 lbs approximate including lube components

    STANDARD FINISH: 2 part polyurethane enamel

  • Downloads

Service done right

Cotta Transmission Service Network

Palmer Johnson's six-location factory-authorized service center network features:

  • Factory-trained technicians
  • Field service
  • Onsite troubleshooting and diagnostics
  • Unit removal and installation

For Cotta Transmission service, call 1-800-341-4334.

Learn more

Madison, WI

Service Center

Service: (608) 834-5206

1835 Haynes Dr
Sun Prairie, WI 53590


Dallas, TX

Service Center

Service: (817) 505-2430

608 112th St
Arlington, TX 76011


Denver, CO

Service Dealer

Service: (720) 724-0033

5151 E 56th Ave
Commerce City, CO 80022


Kansas City, KS

Service Center

Service: (913) 202-6944

15360 South Mahaffie St
Olathe, KS 66062


Los Angeles, CA

Service Center

Service: (562) 356-1590

12020 Bloomfield Ave
Santa Fe Springs, CA 90670


Oklahoma City, OK


Sales: (800) 341-4334

Oklahoma City, OK 73128


Phoenix, AZ

Service Dealer

Service: (602) 253-0214

2401 S. 19th Street
Phoenix, AZ 85034


San Francisco, CA

Service Dealer

Service: (510) 342-2212

1930 W Winton Ave #14
Hayward, CA 94545


St. Louis, MO

Service Center

Service: (636) 203-9811

578 Rudder Rd
Fenton, MO 63026


Philadelphia, PA

Service Dealer

Service: (215) 822-8300

159 Discovery Dr
Colmar, PA 18915


Fort Myers, FL

Service Dealer

Service: (239) 693-7477

4821 Waycross Road
Fort Myers, FL


Vancouver, British Columbia

Service Center

Service: (604) 879-6731

6741 Cariboo Rd Unit 205
Burnaby, British Columbia V3N 4A3


Edmonton, Alberta

Service Center

Service: (780) 434-9578

3804 53rd Ave NW
Edmonton, Alberta T6B 3N7


Seattle, WA

Service Center

Service: (425) 251-3434

1710 136th Ave E
Sumner, WA 98390


RECON Equipment Center, WI

Service Center

Service: (608) 834-5220

1828 Haynes Dr
Sun Prairie, WI 53590

Map of Palmer Johnson Power Systems locations