TLBS-374 Supported Boom Top Loading Arm
The TLBS-374 Supported Boom Top Loading Arm is an engineered top loading solution designed for safe and efficient transfer of products into tank trucks and railcars. It is built for extended reach applications where both flexibility and structural support are required during loading operations.
SafeRack supplies and supports Excel Loading Systems TLBS-374 with expert specification guidance from Regional Area Managers who help you select the right configuration, materials, and end fitting for your terminal. Our team provides assistance with system compatibility, installation requirements, and operational performance to ensure safe and efficient loading operations. Get technical support, lead times, and pricing information in one call.
TLBS-374 Supported Boom Top Loading Arm
Safety & Compliance Expert
HAVE A QUESTION?
Talk to a Safety Expert Now
TLBS-374 Supported Boom Top Loading Arm
Overview
The TLBS-374 Supported Boom Top Loading Arm is designed to deliver enhanced stability and extended reach for industrial loading applications. Unlike unsupported boom systems, this model incorporates a supported structure that reduces stress on the spring assembly and improves long-term durability.
It features an additional pipe section along with multiple swivel joints that provide smooth movement and accurate positioning during loading operations. The inlet swivel is supported with a pillow block, while the base includes a spring-balanced double swivel system for controlled up/down and left/right motion.
Key Features
- Supported boom top loading arm design
- Enhanced structural stability for extended reach
- Reduced stress on spring and swivel components
- Additional pipe section for increased reach capability
- Pillow block-supported inlet swivel
- Spring-balanced double swivel system at base
- Smooth up/down and left/right movement
- End swivel maintains vertical drop tube alignment
- Suitable for truck and railcar loading
- Multiple configurations available (right-hand, left-hand, up-feed, down-feed)
- Horizontal feed options supported
- Designed for high-cycle loading operations
- Heavy-duty industrial construction for long service life
TLBS-374 Supported Boom Top Loading Arm Specifications
| Specification | Detail |
|---|---|
| Model | TLBS-374 |
| Type | Supported Boom Top Loading Arm |
| Application | Truck & Railcar Loading |
| Design Type | Supported Boom Configuration |
| Structure Support | Pillow Block Supported Inlet Swivel |
| Movement System | Spring Balanced Double Swivel |
| Reach Type | Extended Reach |
| Drop Tube Control | End Swivel Vertical Alignment |
| Configuration Options | Right Hand / Left Hand / Up Feed / Down Feed / Horizontal Feed |
| Material Options | Carbon Steel, Low Temperature Carbon Steel, Stainless Steel, Aluminum |
| Specialty Materials | Alloy 20, Hastelloy |
| Operation | Manual Balanced Loading System |
| Use Case | High-cycle and multi-compartment loading |
Source: TLBS-374 Boom Top Loading Arm
Materials of construction
| Component | Material |
|---|---|
| Arm Structure | Carbon Steel/Low Temperature Carbon Steel/Stainless Steel/Aluminum |
| Specialty Alloys | Alloy 20/Hastelloy |
| Swivel Assembly | Industrial Grade Steel |
| Support Structure | Pillow Block Bearing Housing |
| Coating | Heavy Duty Industrial Protective Finish |
| Drop Tube | Steel or Stainless Steel |
TLBS-374 Frequently Asked Questions
The TLBS-374 is used for loading and unloading liquids and other products into tank trucks and railcars. It is designed for applications that require both extended reach and additional structural support to ensure stable and controlled operation.
Unlike unsupported boom models, the TLBS-374 includes a supported structure with a pillow block inlet swivel. This reduces mechanical stress on the arm, improves stability, and enhances durability in high-cycle and demanding loading environments.
Yes, the TLBS-374 is designed for variable reach applications where trucks or railcars may not be consistently positioned. Its multiple swivel joints and extended reach design allow flexible and accurate connection to loading points.
The TLBS-374 can be manufactured in carbon steel, low temperature carbon steel, stainless steel, and aluminum. For more demanding service conditions, specialty alloys such as Alloy 20 and Hastelloy are also available.
Routine maintenance includes inspecting swivel joints, checking seal conditions, verifying counterbalance settings, and performing general hardware inspections. Regular maintenance helps ensure long service life and consistent performance in industrial 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.
Counterweight Bottom Loading Arms (CW-30)
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
Bottom Transfer Hose Loader (BT-44)
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