Description
4′ x 24′ ESC TSB6 Steel Trench Box
The ESC TSB6-424 is a heavy-duty mainline steel trench shield built for underground utility, pipeline, municipal, and infrastructure projects where crews need an extended working area and 6-inch-wall construction.
The 4-foot-tall box can be used as a standalone trench shield where that height is appropriate. It can also be used as an extension shield stacked on top of a compatible taller trench box using connecting stacking pins.
A 24-foot long trench box is typically used with pipe sections that are up to 20 feet long. As a general safety rule it is recommended that a trench shield be at least 4 feet longer than the pipe being installed.
Following this rule provides additional shield length beyond the pipe section and gives the crew more working room for installation and connection work inside the protected area.
Key Benefits & Crew Efficiency
- Ideal for 20-Foot Pipe: Meets the 4-foot safety headroom rule by providing additional shield length beyond the pipe joint to safely accommodate the crew.
- Standalone or Stackable Configuration: Use the 4-foot box independently or as an extension shield stacked above a compatible taller trench box using connecting stacking pins.
- Heavy-Duty 6-Inch-Wall Design: The TSB6-424 is built for contractors who need a substantial steel shield for demanding mainline excavation work.
- Extended Mainline Working Area: Provides 21′11″ of clear length between spreaders for pipe placement, joining, utility connections, and underground installation work.
- Capacity Safety: Built with a 1,181 PSF shield capacity and maximum depth ratings of 20′ in C60 soil and 16′ in C80 soil.
- Long 4-Foot Extension Shield: Weighing approximately 7,456 lbs without spreaders, the TSB6-424 combines a 24-foot working length with the flexibility of a 4-foot standalone or extension shield.
Product Specifications
| Model | TSB6-424 |
|---|---|
| Dimensions | 4′ High x 24′ Long |
| Wall Thickness | 6 Inches |
| Material | Steel |
| Weight | Approx. 7,456 lbs |
| Pipe Clearance | 18 Inches |
| Length Between Spreaders | 21′11″ |
| Shield Capacity | 1,181 PSF |
| Max Depth Rating – B45 | 27 ft |
| Max Depth Rating – C60 | 20 ft |
| Max Depth Rating – C80 | 16 ft |
Pricing & Logistics
Price: $16,520.00
Contact us to confirm current pricing, availability and shipping rates.
Freight & Delivery Coordination
Shipping rates are calculated based on equipment quantity, spreader configuration, stacking components, and your final jobsite or yard destination. Discounts may be available for multiple box orders or complete fleet packages.
Target Applications
The 4′ x 24′ TSB6 is designed for contractors performing underground utility, pipeline, municipal, and infrastructure work where a long mainline shield and heavy-duty 6-inch-wall construction are required.
Typical applications include:
- water and sewer mainline installation;
- storm drainage projects;
- pipeline construction;
- municipal infrastructure;
- public works excavation;
- roadway utility installation;
- long pipe installation sequences;
- standalone use where a 4-foot shield height is appropriate;
- stacked configurations requiring additional shield height above a compatible taller base box.
The 24-foot length provides crews with an extended working area for pipe placement, joining, and connection work. On suitable projects, the longer configuration may reduce the frequency of repositioning compared with shorter trench boxes.
The 4-foot panel height also makes the TSB6-424 a versatile fleet component. It can be used independently for suitable excavation conditions or paired with a compatible taller trench box when additional shield height is required.
Critical Selection & Safety Factors
Is the 4×24 TSB6 Right for Your Jobsite?
Trench box selection involves more than choosing a height and length.
The correct shield depends on excavation depth, trench width, pipe dimensions, soil classification, surcharge conditions, groundwater, adjacent structures, excavator capacity, transportation requirements, and jobsite access.
The 4×24 TSB6 is worth considering when a project requires the extended working length of a 24-foot mainline trench box and the contractor has the equipment, transportation capacity, and jobsite space needed to handle a shield in this size and weight class.
It is also a practical fleet option for contractors who need a long, heavy-duty 4-foot extension shield for compatible stacked trench box systems.
When used as a standalone shield, the 4-foot panel height must be appropriate for the excavation and working conditions.
When used as part of a stacked system, the box should be connected with the appropriate stacking pins. The complete configuration must be evaluated according to the applicable tabulated data and actual jobsite conditions.
For projects where a 24-foot shield would be unnecessarily difficult to transport, position, or reposition, a 4×16 or 4×20 TSB6 may be a better fit.
We can help you compare TSB6 trench box configurations based on your excavation requirements, pipe dimensions, handling equipment, transportation needs, and preferred working clearances.
Depth Ratings & Tabulated Data
The listed depth ratings must be evaluated together with the applicable manufacturer tabulated data and actual jobsite conditions.
The Competent Person is responsible for evaluating excavation conditions, determining the applicable soil classification, accounting for surcharge loads and adjacent structures, and selecting and using the protective system accordingly.
Groundwater, excavation geometry, spoil pile placement, heavy equipment near the excavation, and other site-specific conditions must also be considered.
For stacked trench box configurations, the complete system arrangement, box compatibility, stacking connections, and applicable tabulated data must also be evaluated.
For help comparing available trench box options, contact our team with your project details and equipment requirements.
Spreader Configurations
The correct spreader configuration depends on the required trench width, pipe dimensions, installation method, and the amount of working clearance needed inside the trench box.
When requesting a quote, send us the project information needed to evaluate available configuration options, including:
- excavation depth;
- soil classification;
- required trench width;
- pipe dimensions;
- required working clearance;
- standalone or stacked use;
- project location;
- quantity of trench boxes required.
We can help with spreader options, stacking pins and configuration requirements, current availability, equipment quotes, and freight and delivery coordination.
Request a Quote from Iron Lot
Iron Lot supplies trench boxes and trench safety equipment to underground
utility contractors, excavation contractors, pipeline contractors,
municipalities, public works departments, and other construction equipment
buyers.
Contact our team for:
- current pricing and availability;
- spreader options;
- stacking pins and stacked configuration requirements;
- multiple-unit quotes;
- freight and delivery coordination;
- comparison with other ESC TSB6 sizes;
- steel and aluminum trench box options;
- equipment financing information.
Payment Options:
We accept company check, wire transfer, ACH, and credit card payments. We also offer financing through Ascentium Capital.
Financing: Ascentium Capital offers fast and flexible financing. With their quick and convenient way to purchase equipment, working with Ascentium Capital helps you acquire the funds you need for your equipment purchase. With financing and leasing of up to $2,000,000, Ascentium Capital works with you to make the application process simple and at no obligation.
To learn more about Ascentium Capital and how it can assist you, click image below:
