Dana Spicer/Clark-Hurth Off-Highway Transmissions

Palmer Johnson Power Systems is an authorized distributor and service center for Spicer Off-Highway (Clark) powershift transmissions and genuine replacement components. Palmer Johnson inventories an extensive range of common replacement parts and ships same day to help limit your equipment's downtime.

The Dana Off-Highway Systems Group delivers a wide array of products and systems, including Spicer off-highway axles and brakes, transaxles, powershift transmissions, torque converters, electronic controls, driveshafts, and end fittings.

      Service done right

      Clark 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 Clark service, call 1-800-341-4334.

      Learn more

      Madison, WI

      Service Center

      Sales: 800-341-4334
      Service: 608-834-5206

      1835 Haynes Dr
      Sun Prairie, WI 53590

      Contact

      Dallas, TX

      Service Center

      Sales: 800-341-4334
      Service: 817-505-2430

      608 112th St
      Arlington, TX 76011

      Contact

      Denver, CO

      Service Center

      Service: 720-724-0033

      5151 E 56th Ave
      Commerce City, CO 80022

      Contact

      Kansas City, KS

      Service Center

      Sales: 800-341-4334
      Service: 913-202-6944

      7800 Nieman Rd
      Lenexa, KS 66214

      Contact

      Los Angeles, CA

      Service Center

      Sales: 800-341-4334
      Service: 562-356-1590

      12020 Bloomfield Ave
      Santa Fe Springs, CA 90670

      Contact

      Oklahoma City, OK

      Warehouse

      Sales: 800-341-4334

      Oklahoma City, OK 73128

      Contact

      Phoenix, AZ

      Service Center

      Service: 602-253-0214

      2401 S. 19th Street
      Phoenix, AZ 85034

      Contact

      San Francisco, CA

      Service Center

      Service: 510-342-2212

      1930 W Winton Ave #14
      Hayward, CA 94545

      Contact

      Seattle, WA

      Service Center

      Sales: 800-341-4334
      Service: 253-518-6050

      22221 70th Ave S
      Kent, WA 98032

      Contact

      St. Paul, MN

      Sales

      Sales: 800-341-4334

      St Paul, MN

      Contact

      St. Louis, MO

      Service Center

      Sales: 800-341-4334
      Service: 636-203-9811

      578 Rudder Rd
      Fenton, MO 63026

      Contact

      Philadelphia, PA

      Service Center

      Service: (215) 822-8300

      159 Discovery Dr
      Colmar, PA 18915

      Contact

      Fort Myers, FL

      Service Center

      Service: (239) 693-7477

      4821 Waycross Road
      Fort Myers, FL

      Contact