Excel Loading Systems AF-54
- Home
- Loading Arms & Couplings
- Excel Loading Arm Systems
- Excel Loading Systems AF-54

The AF-54 is an A-Frame Bottom Loading Arm designed for extended reach applications where accurate vehicle spotting is difficult. It provides flexible positioning and stable operation for efficient loading and unloading of tank trucks and railcars.

SafeRack supplies and supports Excel Loading Systems AF-54 with expert specification guidance from Regional Area Managers who help you choose the right size, materials, and end fitting for your terminal. Our team assists with configuration, compatibility, and system integration to ensure safe and efficient loading performance. Get support for lead times, technical details, and pricing in one call.
Excel Loading Systems AF-54
Overview
The AF-54 forms an “A” shape when deployed, combining the primary arm with a drop pipe or hose. It is designed for petroleum terminals and multi-product loading bays where space optimization and flexibility are required. The primary arm stores in a vertical position, ensuring compact storage.
It supports multiple configurations including right-hand, left-hand, up-feed, down-feed, and horizontal-feed setups, making it suitable for a wide range of terminal layouts.
Key Features
- A-frame design for extended reach and flexibility
- Suitable for poor vehicle spotting conditions
- Vertical storage for compact footprint
- Forms stable “A” shape during operation
- Compatible with hose or rigid pipe drop sections
- Multiple orientation options (RH, LH, up-feed, down-feed)
- Horizontal feed loading capability
- API RP 1004 compliant operation
- Suitable for petroleum and chemical terminals
- Can be used for railcar and truck loading/unloading
- Supports multi-product loading bays
AF-54 Frame Bottom Loading Arm Specifications
| Specification | Detail |
|---|---|
| Model | AF-54 |
| Type | A-Frame Bottom Loading Arm |
| Configurations | Right Hand / Left Hand / Up Feed / Down Feed / Horizontal Feed |
| Drop Section | Hose or Rigid Pipe |
| Storage Position | Vertical Primary Arm |
| Working Shape | A-Frame Structure |
| Installation Spacing | 24″ centerline spacing |
| Application Standard | API RP 1004 envelope |
| Usage | Tank Truck & Rail Loading |
Source: Excel Loading Systems AF-54
Materials of construction
| Component | Material |
|---|---|
| Arm Structure | Carbon Steel/Stainless Steel |
| Drop Pipe | Carbon Steel / Stainless Steel |
| Drop Hose | Composite / Industrial Hose |
Sourse: Loading Systems AF-54
Frame Bottom Loading Arm AF-54 Frequently Asked Questions
It is used for tank truck and railcar bottom loading where vehicle alignment is difficult or inconsistent.
It uses an A-frame structure that forms a stable loading shape while allowing compact vertical storage.
Right-hand, left-hand, up-feed, down-feed, and horizontal-feed configurations are available.
Yes, multiple arms can be installed on 24-inch centerlines for compact loading bays.
It is commonly used in petroleum terminals and chemical loading facilities for liquid transfer operations.
Related Products
Excel Loading Systems TLBS-375BH — Bullhorn Style Top Loading Arm
Excel Loading Systems TLBS-375BH — Bullhorn Style Top Loading Arm (Supported Boom, Railcar)
Excel Loading Systems TLBS-374 — Supported Boom Top Loading Arm
Excel Loading Systems TLBS-374 — Supported Boom Top Loading Arm
Excel Loading Systems TLB-374 — Unsupported Boom Top Loading Arm
Excel Loading Systems TLB-374 — Unsupported Boom Top Loading Arm (Extended Reach)
Excel Loading Systems TL-54 — Fixed Reach Top Loading Arm
Excel Loading Systems TL-54 — Fixed Reach Top Loading Arm
Excel Loading Systems Snap-On API Coupler — Series 513 Semi-Automatic Coupler
Excel Loading Systems Snap-On API Coupler — Series 513 Semi-Automatic Coupler
Excel Loading Systems Quick Adjust Spring Cylinder
Excel Loading Systems Quick Adjust Spring Cylinder — Compression Spring Balance Assembly
Excel Loading Systems Click API Coupler — CLICK Semi-Automatic API Coupler
Excel Loading Systems Click API Coupler — CLICK Semi-Automatic API Coupler
Excel Loading Systems XL1.0DSA — Dual Seal Swivel Joint (hazardous service)
The Excel Loading Systems XL1.0DSA Dual Seal Swivel Joint provides hazardous-service leak protection with dual seals and integrated leak detection.
Excel Loading Systems CW-30 — Counterweight Bottom Loading Arm
Excel Loading Systems CW-30 — Counterweight Bottom Loading Arm
Excel Loading Systems XL2.0HP — High-Pressure Dual-Race Swivel Joint
The Excel Loading Systems XL2.0HP High-Pressure Dual-Race Swivel Joint is engineered for demanding high-pressure fluid transfer applications, delivering exceptional durability, smooth operation, and reliable sealing performance.
Excel Loading Systems BT-377 — Bottom Transfer Loading Arm
Excel Loading Systems BT-377 — Bottom Transfer Loading Arm (Low-Profile, No Overhead Support Required)
Excel Loading Systems BL-50 — Bottom Transfer Arm
Excel Loading Systems BL-50 — Bottom Transfer Arm (Horizontal Storage, Similar to BL-54)
Excel Loading Systems XL-1.0 — Standard Swivel Joint
Excel Loading Systems XL-1.0 — Standard Swivel Joint (split flange, domestic)
Excel Loading Systems TL-544 — Variable Reach Top Loading Arm
Excel Loading Systems TL-544 — Variable Reach Top Loading Arm (Scissor / Pantograph)
Excel Loading Systems BL-54 — Bottom Loader Arm
Excel Loading Systems BL-54 — Bottom Loader Arm (Extended Reach, Horizontal Storage)
Excel Loading Systems AF-54 — A-Frame Bottom Loading Arm
Excel Loading Systems AF-54 — A-Frame Bottom Loading Arm
Excel Loading Systems BT-44 — Bottom Transfer Hose Loader (Low-Profile, Economical)
Excel Loading Systems BT-44 — Bottom Transfer Hose Loader (Low-Profile, Economical)
Excel Loading Arm Systems & Components
SafeRack is North America’s largest distributor of Excel loading arm systems & components








