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  • ALLEN BRADLEY,800P-POT3,SERIES A POTENTIOMETER OPERATOR

    ALLEN BRADLEY,800P-POT3,SERIES A POTENTIOMETER OPERATOR NOS

    • Manufacturer: Allen-Bradley

    ALLEN BRADLEY,800P-POT3,SERIES A POTENTIOMETER OPERATOR 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...

    $225 USD
    Galion, OH
  • SQUARE D,9012GAW5,PRESSURE SWITCH

    SQUARE D,9012GAW5,PRESSURE SWITCH

    • Manufacturer: Square D

    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 ...

    $55 USD
    Galion, OH
  • OHMITE,RHS25R,POTENTIOMETER RHEOSTAT 25 WATT MODEL

    OHMITE,RHS25R,POTENTIOMETER RHEOSTAT 25 WATT MODEL H NOS

    • Manufacturer: Ohmite

    OHMITE,RHS25R,POTENTIOMETER RHEOSTAT 25 WATT MODEL H 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...

    $45 USD
    Galion, OH
  • GE GENERAL ELECTRIC,5BC46AB1582B,PERMANENT-MAGNETIC TACHOMETER GENERATOR

    GE GENERAL ELECTRIC,5BC46AB1582B,PERMANENT-MAGNETIC TACHOMETER GENERATOR

    • Manufacturer: GE

    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 ...

    $350 USD
    Galion, OH
  • SOR,55V1-AA45-N4-B1A,PRESSURE SWITCH 45-550 PSI NOS

    SOR,55V1-AA45-N4-B1A,PRESSURE SWITCH 45-550 PSI NOS

    • Manufacturer: SOR

    SOR,55V1-AA45-N4-B1A,PRESSURE SWITCH 45-550 PSI 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 will...

    $260 USD
    Galion, OH
  • UNITED ELECTRIC,J302K-456,PRESSURE CONTROL SWITCH 15

    UNITED ELECTRIC,J302K-456,PRESSURE CONTROL SWITCH 15 AMP 125/250 VAC 225 PSI

    • Manufacturer: Electric

    UNITED ELECTRIC,J302K-456,PRESSURE CONTROL SWITCH 15 AMP 125/250 VAC 225 PSI 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 i...

    $225 USD
    Galion, OH
  • UNITED ELECTRIC,J302K-456,PRESSURE CONTROL SWITCH NOS

    UNITED ELECTRIC,J302K-456,PRESSURE CONTROL SWITCH NOS

    • Manufacturer: UNITED ELECTRIC

    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 ...

    $220 USD
    Galion, OH
  • BOLLFILTER,0552256,DIFFERENTIAL PRESSURE INDICATOR NOS

    BOLLFILTER,0552256,DIFFERENTIAL PRESSURE INDICATOR NOS

    • Manufacturer: BOLLFILTER

    BOLLFILTER,0552256,DIFFERENTIAL PRESSURE INDICATOR 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 w...

    $280 USD
    Galion, OH
  • Dynalco,D8000-696, Tachometer

    Dynalco,D8000-696, Tachometer

    • Manufacturer: DYNALCO

    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 ...

    $280 USD
    Galion, OH
  • ASHCROFT,D465SXCKFS,DIFFERENTIAL PRESSURE SWITCH NOS

    ASHCROFT,D465SXCKFS,DIFFERENTIAL PRESSURE SWITCH NOS

    • Manufacturer: Ashcroft

    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 ...

    $450 USD
    Galion, OH
  • Span Instruments,IPS-220/222,Indicating Pressure Switch

    Span Instruments,IPS-220/222,Indicating Pressure Switch

    • Manufacturer: Span Instruments

    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 ...

    $52 USD
    Galion, OH
  • Honeywell,C645A-1030-2,Pressure Switch

    Honeywell,C645A-1030-2,Pressure Switch

    • Manufacturer: Honeywell

    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 ...

    $60 USD
    Galion, OH
  • Dwyer,24-192047-00,Differential Pressure Switch

    Dwyer,24-192047-00,Differential 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 ...

    $45 USD
    Galion, OH
  • CURTIS,PB-6,THROTTLE STYLE POTENTIOMETER PRE-OWNED

    CURTIS,PB-6,THROTTLE STYLE POTENTIOMETER PRE-OWNED

    • Manufacturer: Curtis

    CURTIS,PB-6,THROTTLE STYLE POTENTIOMETER PRE-OWNED 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 ...

    $40 USD
    Galion, OH
  • Allen Bradley,JD1N200P103UA,Potentiometer LOT of 2

    Allen Bradley,JD1N200P103UA,Potentiometer LOT of 2

    • Manufacturer: Allen-Bradley

    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 ...

    $36 USD
    Galion, OH
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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.