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Railcar Top & Bottom Loading Arm Systems

Excel Loading Systems engineers and manufactures both top and bottom loading arms designed for the safe and efficient transference of media to railcars. Our top and bottom loading arms are perfect for the railcar industry, providing durability and longevity. Our loading arm systems are flexible and efficient, high-quality loading equipment that is made to last. 

Railcar Loading Arm Types

Excel Loading Systems engineers and manufactures swivel joints, API couplers, spring cylinders, and top and bottom loading arms designed for the safe and efficient transference of media to railcars. The sizes of arms available are 2”, 3”, 4”, and 6”. In addition, we utilize both TIG welding and MIG welding for our railcar applications.

The types of railcar top and bottom loading/unloading arms systems include:

  • Stainless Steel Loading Arms
  • Dual Seal Loading Arms
  • Pneumatic Loading Arms
  • Hydraulic Loading Arms
  • Special Seals
    • Kalrez
    • Chemraz
    • Teflon

Types of Media Transferred by Loading Arms

Excel Loading Systems is an industry leader in railcar loading and unloading equipment. Globally, railcars count as the most common carriers of gas and liquid. They are employed at terminals, refineries, and other general locations that require the loading of media at high volume. Common media for loading system transference includes:

  • Oil
  • Butane
  • Propane
  • Corn Syrup
  • Ethanol
  • Alcohol
  • Sulfuric Acid
  • Sodium Hydroxide
  • Hydrochloric acid

At Excel Loading Systems, providing high-caliber products is paramount to us. We are an ISO 9001:2015 company and can manufacture piping to almost any ASME Process Piping Code and use 100% quality domestic material on standard loading arms. We are capable of welding to a governing standard, such as ASME B31.3 Section VIII. This results in excellent traceability throughout the entire manufacturing process and, therefore, faster shipment times. Our standard shipping times can blow away the competition. We are here to serve you loading systems for specific needs.

Please contact us today to find out more.

delivery truck

All of our standard products are 100% domestic

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See What Our Customers Have To Say

Great service, very easy to work with.



Oil & Gas Industry

Delivered a loading arm to us in under a week. Fastest turnaround I have ever seen.


Oil & Gas Industry

Extremely knowledgeable and helpful. Easy to get there engineers on the phone and answer questions. 


Food & Beverage Industry

Extremely happy with service.


Chemical Industry

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America's Loading Arm

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