Frequently Asked Questions About Tronair

  • What Is Ground Support Equipment?

    Aircraft ground support equipment (GSE) refers to the tools and vehicles used on flightlines to support aircraft operations while on the ground. This includes units for aircraft towing and taxing, lifting and shoring, hydraulic power, parking and mooring and more.

  • How Do I Know What Equipment Is Suitable for My Aircraft?

    Click on the Tool & Equipment tab above to explore a detailed aircraft breakdown per aircraft by ATA chapter - everything you need, all in one place!

  • Does Tronair Take Trade-Ins or Buy Back Used Equipment?

    Yes! Tronair supplies used ground support equipment at discounted prices. While the quality of used GSE can't fully compare to our brand-new stock, we never resell a piece unless it's in excellent condition.

  • Does Tronair Have a Published Price List That Can Be Sent?

    We do not currently have a published price list but we're happy to provide quotations for specific items upon request!

  • May I See Prices Online?

    Prices can be viewed online if you have an account. If you haven’t registered yet, you can easily create one to gain access.

    Register here!

  • Does Tronair Have a Catalog That May Be Sent to Me?

    Yes! The Tronair Catalog is available to download at the below link. We are constantly updating our offerings so utilizing the Tool & Equipment list is a great option to have the most up to date information!

    Click here to download the current catalog.

  • Does Tronair Offer Training?

    Absolutely! Check out our full selection of Tronair training videos for in-depth training for specific GSE models.

    For additional training opportunities, reach out to our Product Support team! Email us at [email protected] or call 1-800-426-6301 and select prompt 6—we're here to help.

  • I Need Parts for My Tronair Product But Cannot Locate the Operation and Maintenance Manual. May I Get the Manual Online?

    Yes! Most of our operation and aircraft Tronair manuals are available on our website, along with maintenance schedules that you can access anytime. To ensure you’re using the correct replacement parts, always refer to the appropriate revision manual for your specific model. When requesting a manual, be sure to have the model and serial number of the unit handy!

    Click here to view Operation and Service Manuals.

    Click here to view Maintenance Schedules.

  • May I Get a Printed Manual Sent to Me?

    Printed Tronair manuals must be ordered with a purchase order. Be sure to include the model and serial number of the unit when placing your order. Prices range from $25 to $150—contact Tronair for exact

    All manuals can be downloaded at no additional charge here!

  • How May I Receive a Quote on a Product(s)?

    Getting a quote is easy!

    • Give us a call at 419-866-6301 or 1-800-426-6301, and our knowledgeable customer experience team will be happy to assist you.
    • Send us an email at [email protected], and we'll get back to you!
    • Click here to submit a quote request online - it's quick and convenient!

  • When May I Expect to Receive a Quote Once I Send My Request to Tronair?

    We do our best to respond to all quote requests in the order they come in - usually within 24 business hours!

  • How May I Place an Order?

    Placing an order is easy!

    • Give us a call at 419-866-6301 or 1-800-426-6301, and our customer experience team will be happy to assist you!
    • Email your purchase order to [email protected]. Our CE team processes all order submissions in the order they are received - and usually within 24 business hours!
    • Register for an account and order online!

  • When Is Payment Required?

    Tronair requires payment before shipping. Credit terms are available—simply download a Credit Application or call us for more details. Complete the application and submit it to Tronair for processing.

  • How May Payment Be Made?

    You can pay by wire transfer or credit card. Once your order is entered, we’ll provide the necessary banking details to complete the transaction smoothly.

  • What Credit Cards Does Tronair Accept?

    We accept VISA, MasterCard and American Express.

  • When Will My Credit Card Be Charged?

    Credit cards are processed at the time of order—quick, easy, and hassle-free!

  • Once an Order Is Placed, When May I Receive the Product(s)?

    You’ll receive a purchase order acknowledgment for every order placed with Tronair, complete with expected ship date(s)! If you don’t receive an acknowledgment within 48 hours, reach out to us—we’ll be happy to verify your order.

  • I Have a Product in Need of Repair. Are Parts Available to Purchase?

    Yes! You can easily find replacement Tronair parts by entering your model number in the search bar. If you're not sure what parts you need, our OSM search tool is a great resource for identifying the right parts for your equipment.

    Don't see what you're looking for? Email [email protected], and our team will be happy to assist you!

  • Does Tronair Have an Authorized Service Center in My Area?

    Absolutely! Tronair has service centers across North America, Europe, the Middle East, Africa, and Asia, so support is always within reach.

    To find the closest location, view our Global Service Center Network — you’ll be able to explore all available Service Centers and find one closest to your area!

  • How Do I Return a Product to Tronair?

    Returning an item? We’re here to help make it smooth and hassle-free!

    All items must have a Return Material Authorization (RMA) number before being sent back. Click here to complete our RMA Form. If you prefer to give us a call, we'll guide you through the process. 1-800-426-6301, prompt 6.

    Once your form is submitted, Tronair will assign an RMA number and send the completed form back for reference. To avoid a service fee, be sure to obtain an RMA before returning your item!

Towbar

  • What is meant by the multi-head towbar?

    Tronair currently offers 4 types of multi-head towbars. The towbars are purchased separately from the heads and in doing so, only different heads, per the aircraft, will need to be purchased saving money and valuable hangar space.

  • Which multi-head towbar is best for my hangar?

    Towbars are listed by maximum weight and which heads they will accept:

    • 01-1202-0000-maximum weight is 68,000 pounds (500 series heads only)
    • 01-1201-0010-maximum weight is 75,000 pounds (500 series heads only)
    • 01-1270-0010-maximum weight is 125,000 pounds (800 series heads only)
    • 01-1290-0100-maximum weight is 125,000 pounds (500 and 800 series heads)

  • What is meant by 500 and 800 series heads?

    All Tronair 500 series heads begin with 01-05_ _ - _ _ _ _ and are standard heads

    All Tronair 800 series heads begin with 01-08_ _ - _ _ _ _ and are heavy duty heads

  • How long does it take to change heads?

    All heads can be changed within seconds by removing one quick release pin, pulling out the head, sliding in the desired head, and replacing the quick release pin.

  • With the variety of heads, does Tronair offer a storage rack?

    Yes, Tronair has a head storage rack (part number 01-1954-6000) that holds up to five 500 series heads that is on wheels for easy movement

  • What size eyebolt is supplied with the towbar?

    A 2 3/16 in (5.6 cm) I.D. towing eye is standard; however, to substitute a 2 7/8 in (7.3 cm) I.D. eyebolt insert the letter “A” as the third digit of the model number, e.g. 01A1202-0000

  • What are multi-head towbars made of?

    Aluminum (non-corrosive).

  • What is meant by “custom” towbar?

    A custom towbar is designed for a specific aircraft and includes the towbar and head.

  • What is meant by “portable” towbar?

    Towbars that are designed to be carried aboard an aircraft. Some of the towbars are telescoping while others break down into sections. Portable towbars have eyelets to hook to the tugs but do not have wheels.

  • Are the multi-head towbars equipped with shear pins?

    No. Mulit-head towbars tow a variety of aircrafts at different weights and cannot be equipped with shear pins; however some of the heads available for these towbars can be purchased with shear pins.

  • What is the purpose of shear pins?

    Shear pins are designed to break if the turning radius or straight overload limit is exceeded; but the head stays secured to the towbar. These pins are designed to break to protect the aircraft landing gear from damage.

Hydraulic Power Units (HPU)

  • What are the ramifications of using MIL-PRF-87257 fluid in a unit designed for MIL-H-5606 or MIL-PRF-83282?

    Issue: Many compatibility questions have surfaced regarding use of MIL-PRF-87257 fluid in hydraulic ground support equipment, especially units originally designed for MIL-H-5606 or MIL-PRF-83282 fluids.

    Tronair engineering department has researched this subject, meeting with manufactures of materials affected by this fluid. Tronair uses a Nitrile-Buna rubber (NBR) compound for o-rings, seals, gaskets, and hoses inner tubes for MIL-H-5606 or MIL-PRF-83282 fluid.

    For MIL-PRF-87257 fluid, material manufactures recommend a fluorocarbon (Viton) or high Nitrile content NBR compound for o-ring, seal, or gasket material. The hose manufacture recommends specific high density Nitrile compounds, Nylon or Teflon hose materials.

    Existing Units: Tronair approves the use of units designed for MIL-H-5606 or MIL-PRF-83282 fluid for MIL-PRF-87257 fluid within an ambient temperature range of -20 to 100º F. Any unit that incorporates a hand pump will require upgrading, contact Tronair for proper rebuild kit. The long terms effects are shortened seal and hose life.

    Contact Tronair sales department (800-426-6301) for proper flushing instructions.

    New Units: Tronair has released hydraulic units specifically designed for MIL-PRF-87257 fluid, which uses the materials recommended by the manufactures. Contact Tronair sales department (800-426-6301) or see or website at www.tronair.com for details.

  • How can I change the fluid in my hydraulic power unit from MIL-H-5606 or MIL-PRF-83282 to MIL-PRF-87257?

    1. Remove cap from reservoir drain assembly and open drain valve to remove fluid from reservoir.
    2. Remove plug fitting in lower portion of the cooler to drain fluid from cooler.
    3. Remove and drain pressure filter bowl.
    4. Drain return filter assembly: Remove element from filter assembly and either suction fluid from filter bowl or remove top panel from unit and unscrew filter bowl from assembly and drain.
    5. Return unit to running condition using original filter elements.
    6. Replace fittings and close valve at the bottom of the reservoir.
    7. Remove existing fittings from the pressure and return hoses.
    8. Connect external pressure hose to external return hoses using a union (contact Tronair for available kit), open the pressure and return ball valves on the back of the unit.
    9. CAUTION - RETURN SYSTEM BALL VALVES MUST BE OPEN - DAMAGE OR PERSONAL INJURY COULD RESULT!!!
    10. Add minimum amount of new fluid to unit reservoir.
    11. Set reservoir selector valve to the HPU position.
    12. Open by-pass valve and start unit.
    13. Open flow control valve to ½ maximum flow position, adjust pressure control to minimum necessary to maintain flow.
    14. Close by-pass valve (make sure ball valves on back of unit are open) and allow fluid to cycle for 30 minutes.
    15. Shut down unit and repeat draining procedure (go to step 1).
    16. Replace filter elements with new elements.
    17. Install Tronair KHC-3766 Coupling Kit on pressure and return hoses.
    18. Change labels on unit to reflect the new fluid type.
    19. Service unit reservoir (do not exceed maximum level).
    20. Refer to operation manual for bleeding procedure to eliminate trapped air from system.
    21. Send a fluid sample for evaluation (http://www.anderol.nl/index flash.html), if acceptable; unit is ready to return to service.

Cabin Pressure Units (CPU)

  • The Rate of climb gauge is not registering zero at any time and stops at slightly above zero. How do I reset the gauge to zero?

    The screw on the front is used to calibrate the gauge. Try turning the screw to the zero point and check the unit.