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Used controller

  • JOHNSON CONTROLS,P32AC-1C,SENSITIVE DIFFERENTIAL PRESSURE SWITCH

    JOHNSON CONTROLS,P32AC-1C,SENSITIVE DIFFERENTIAL PRESSURE SWITCH 0.15 TO 12 IN.

    • Manufacturer: Johnson

    JOHNSON CONTROLS,P32AC-1C,SENSITIVE DIFFERENTIAL PRESSURE SWITCH 0.15 TO 12 IN. What's Included? See photos. We try our best to provide full details of each item and any included accessories, but if it's not show...

    $65 USD
    Galion, OH
  • SMC,ISG130-030,Pressure Control Switch

    SMC,ISG130-030,Pressure Control Switch

    • Manufacturer: SMC

    What's Included? See photos. We try our best to provide full details of each item and any included accessories, but if it's not shown in the photos then it will not be included with the item. 30-Day Easy Returns ...

    $40 USD
    Galion, OH
  • MAGPOWR VERSATEC,VTCE,WEB TENSION CONTROLLER W/

    MAGPOWR VERSATEC,VTCE,WEB TENSION CONTROLLER W/ IPTE PRESSURE TRANSDUCER

      What's Included? See photos. We try our best to provide full details of each item and any included accessories, but if it's not shown in the photos then it will not be included with the item. 30-Day Easy Returns ...

      $550 USD
      Galion, OH
    • MERCOID CONTROLS,PG-2-P2,DIFFERENTIAL PRESSURE SWITCH NOS

      MERCOID CONTROLS,PG-2-P2,DIFFERENTIAL PRESSURE SWITCH NOS

      • Manufacturer: Mercoid

      MERCOID CONTROLS,PG-2-P2,DIFFERENTIAL PRESSURE SWITCH NOS What's Included? See photos. We try our best to provide full details of each item and any included accessories, but if it's not shown in the photos then i...

      $665 USD
      Galion, OH
    • Mercoid Control,PG-3-P2,Gas Pressure Differential Switch

      Mercoid Control,PG-3-P2,Gas Pressure Differential Switch

      • Manufacturer: Mercoid

      What's Included? See photos. We try our best to provide full details of each item and any included accessories, but if it's not shown in the photos then it will not be included with the item. 30-Day Easy Returns ...

      $120 USD
      Galion, OH
    • MERCOID CONTROL,AP-153-36,PRESSURE SWITCH NEW

      MERCOID CONTROL,AP-153-36,PRESSURE SWITCH NEW

      • Manufacturer: Mercoid

      What's Included? See photos. We try our best to provide full details of each item and any included accessories, but if it's not shown in the photos then it will not be included with the item. 30-Day Easy Returns ...

      $300 USD
      Galion, OH
    • Mercoid Control,PG 2-P2,Pressure Switch

      Mercoid Control,PG 2-P2,Pressure Switch

      • Manufacturer: Mercoid

      New unused with original box NOS. Please see pictures for details and condition. You will receive what’s in the pictures. If we have multiples of the same item, the pictures may differ. Please review the pictures...

      $45 USD
      Galion, OH
    • Mercoid Control,DA-31-3-4,Pressure Switches

      Mercoid Control,DA-31-3-4,Pressure Switches

      • Manufacturer: Mercoid

      Used and in good conditon. Please see pictures for details and condition. You will receive what’s in the pictures. If we have multiples of the same item, the pictures may differ. Please review the pictures to mak...

      $60 USD
      Galion, OH
    • Mercoid Control,DA-31-3-4,Pressure Switches

      Mercoid Control,DA-31-3-4,Pressure Switches

      • Manufacturer: Mercoid

      Used and in good conditon. Please see pictures for details and condition. You will receive what’s in the pictures. If we have multiples of the same item, the pictures may differ. Please review the pictures to mak...

      $60 USD
      Galion, OH
    • United Electric Controls,J6D 9548,Pressure Switch

      United Electric Controls,J6D 9548,Pressure Switch

      • Manufacturer: United Electric Controls

      What's Included? See photos. We try our best to provide full details of each item and any included accessories, but if it's not shown in the photos then it will not be included with the item. 30-Day Easy Returns ...

      $156 USD
      Galion, OH
    • MERCOID CONTROL,DA-21-153 RG-25S,PRESSURE SWITCH NOS

      MERCOID CONTROL,DA-21-153 RG-25S,PRESSURE SWITCH NOS

      • Manufacturer: Mercoid

      MERCOID CONTROL,DA-21-153 RG-25S,PRESSURE SWITCH NOS What's Included? See photos. We try our best to provide full details of each item and any included accessories, but if it's not shown in the photos then it wil...

      $260 USD
      Galion, OH
    • Combustion & Controls,K48G-018-05B-4,Thermocouple Probe

      Combustion & Controls,K48G-018-05B-4,Thermocouple Probe

      • Manufacturer: Combustion & Controls

      New unused without original box NOS. Please see pictures for details and condition. You will receive what’s in the pictures. If we have multiples of the same item, the pictures may differ. Please review the pictu...

      $35 USD
      Galion, OH
    • MERCOID CONTROL,DA521-2,PRESSURE SWITCH 100-1500PSI NOS

      MERCOID CONTROL,DA521-2,PRESSURE SWITCH 100-1500PSI NOS

      • Manufacturer: Mercoid

      What's Included? See photos. We try our best to provide full details of each item and any included accessories, but if it's not shown in the photos then it will not be included with the item. 30-Day Easy Returns ...

      $125 USD
      Galion, OH
    • Dwyer Mercoid Controls,DA-31-2-3A,Pressure Switch

      Dwyer Mercoid Controls,DA-31-2-3A,Pressure Switch

      • Manufacturer: Dwyer

      What's Included? See photos. We try our best to provide full details of each item and any included accessories, but if it's not shown in the photos then it will not be included with the item. 30-Day Easy Returns ...

      $195 USD
      Galion, OH
    • Dwyer Mercoid Controls,DA-31-3-3A,Pressure Switch

      Dwyer Mercoid Controls,DA-31-3-3A,Pressure Switch

      • Manufacturer: Dwyer

      What's Included? See photos. We try our best to provide full details of each item and any included accessories, but if it's not shown in the photos then it will not be included with the item. 30-Day Easy Returns ...

      $195 USD
      Galion, OH
    23456

    Overview

    Feedback devices are sensors and transducers—encoders, resolvers, tachometers and position sensors—used on crawler loaders and heavy equipment to provide real-time data on position, speed and direction. They enable precise control of hydraulics, drive systems and automation, and support diagnostics and safety functions. Buyers choose based on resolution, environmental rating (IP), electrical interface (analog, digital, CAN), mounting, shaft size and compatibility with the machine’s controller.

    FAQ

    How do I ensure a feedback device is compatible with my crawler loader?

    Match electrical interface (voltage, signal type, CAN), mechanical mounting, shaft diameter, resolution and connector pinout to your controller. Provide the OEM part number or controller specs to the seller and ask for a datasheet.

    What should I check when buying a used feedback device?

    Inspect for shaft play, corrosion, water ingress, damaged connectors and seals. Request recent test reports, output waveform checks and serial numbers. Verify calibration history and spare-part availability.

    How should feedback devices be shipped to avoid damage?

    Pack with shaft caps, anti-static wrap, desiccant and vibration-damping material inside a sturdy crate. Label fragile, insure the shipment and include a parts list and datasheet for customs if shipping internationally.

    What maintenance and calibration do feedback devices need?

    Routine checks include visual inspection, connector cleaning, seal integrity and output testing. Calibrate after repairs, impacts or annually depending on usage. Replace bearings, seals or the unit if accuracy degrades.