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Toolbox Home | About the Toolbox | Suppliers

Control Modifications

Subcategories

Combine Header Control
Throttle Control
Clutch Control
Steering Control
Implement Guidance Systems
Brake Control
Cab Control Modifications
Tractor Remote Hydraulic Port Control

Products

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    The 4-inch-thick rectangular guidance system unit is mounted between tractor and cotton harvester’s front frame

    Navigator Automatic Guidance System

    No Longer Produced
    Left pic of OnTrak Tractor GPS Guidan System components. Rt pic of phone app and monitor with guidance system on it.

    OnTrak GPS Guidance System

    Ink drawing of the hand-operated controlling lever showing its components as described.

    Over-Center Locking Hand Clutch

    The lever slopes from just left of the driver’s seat down to the clutch

    Quick Detachable Clutch Lever

    RcFarmArm Wireless Tractor Control mounted on arm rest of tractor seat

    RcFarmArm Wireless Tractor Control

    Pictured is the device (as described)

    Retrofit Assisted Steering System

    Rewired Toggle Switches

    Pictured installed on a JD riding mower are the kit components—left-foot pedal

    Right-to-Left Foot Control Pedal Kit

    Rocker-Type Starter Switch

    Starter Key Wing Extension

    Affixed to each of the cab’s comfort-control knobs is the steel pin that serves as an easy-to-grasp extension.

    Steel-Pin Knob Extensions

    Two pictures—(1) Close-up of the device wrapped around and nut-bolt secured to the steering wheel; (2) an adult male

    Steering Wheel Spinner: Amputee Ring

    Pictured is the knob mounted on an automobile steering wheel.

    Steering Wheel Spinner: Knob-Type

    Pictured is a close-up of the device affixed to a steering wheel. Prominent is where the driver places his palm and the over-the-hand

    Steering Wheel Spinner: Palm-Type

    Pictured (a close-up of each one affixed to a steering wheel) are the four post-type spinners as described—single-pin

    Steering Wheel Spinner: Post-Type

    Temple’s hand operates the toggle-switch hydraulic cylinder controller that’s located just ahead of driver’s seat armrest.

    Toggle Switch-Controlled Internal Hydraulic Cylinders

    Pictured is the inverted U-shaped hitch

    Tracer Quick-Hitch Guidance System

    No Longer Produced
    An adult male standing in front of red tractor holds in his right hand wireless controller

    Tractor Hydraulics or PTO Wireless Controller

    No Longer Produced
    Pictured are the components of a complete kit

    Tractor Power Steering Kit

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AgrAbility

National AgrAbility Project
Address: 225 S. University St., West Lafayette, IN 47907
Phone: 1-800-825-4264

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This work is supported by the Assistive Technology Project for Farmers with Disabilities, project award no. 2021-41590-34813, from the U.S. Department of Agriculture’s National Institute of Food and Agriculture.

Copyright © 2008-2026 Purdue University, all rights reserved. Purdue University is an equal access/equal opportunity university.

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