Description
4′ x 16′ ESC TSB4 Steel Trench Box
The ESC TSB4-416 is a mainline steel trench shield built for underground utility, pipeline, municipal, and infrastructure projects. Its 16-foot length provides substantial working room while maintaining a lower-profile 4-foot shield height.
The 4-foot-tall configuration can be used as a standalone trench box where that shield 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 16-foot long trench box is typically used with pipe sections that are up to 12 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 12-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.
- Mainline Working Length: The TSB4-416 provides 13′11″ of clear length between spreaders for pipe placement, joining, and underground installation work.
- Internal Working Clearance: Provides 18 inches of pipe clearance within the assembled shield.
- Capacity Safety: Built with a 1,465 PSF shield capacity for a C60 soil depth rating of 25′ and a C80 soil depth rating of 19′.
- 4-Inch-Wall Steel Construction: Weighing approximately 4,221 lbs without spreaders, the TSB4-416 combines useful mainline working length with the versatility of a 4-foot standalone or extension shield.
Product Specifications
| Model | TSB4-416 |
|---|---|
| Dimensions | 4′ High x 16′ Long |
| Wall Thickness | 4 Inches |
| Material | Steel |
| Weight | Approx. 4,221 lbs |
| Pipe Clearance | 18 Inches |
| Length Between Spreaders | 13′11″ |
| Shield Capacity | 1,465 PSF |
| Max Depth Rating – B45 | 33 ft |
| Max Depth Rating – C60 | 25 ft |
| Max Depth Rating – C80 | 19 ft |
Pricing & Logistics
Price: $10,350.00
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 16′ TSB4 is designed for contractors performing underground utility, pipeline, municipal, and infrastructure work where a 16-foot mainline shield length is needed with a lower 4-foot panel height.
Typical applications include:
- water and sewer mainline installation;
- storm drainage projects;
- pipeline construction;
- municipal infrastructure;
- public works excavation;
- roadway utility installation;
- standalone use where a 4-foot shield height is appropriate;
- stacked configurations requiring additional shield height above a compatible taller base box.
The 16-foot length provides useful working room for pipe placement, joining, and connection work while remaining more compact and lighter than a 20-foot trench box.
The 4-foot panel height also makes the TSB4-416 a versatile fleet component. It can be used independently for suitable excavation conditions or paired with a compatible 8-foot or 10-foot trench box when additional shield height is required.
Critical Selection & Safety Factors
Is the 4×16 TSB4 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 4×16 TSB4 is worth considering when a project requires the working length of a mainline trench box but does not require a taller standalone shield. Its shorter height and manageable weight can also make it a practical extension shield for contractors using 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 requiring more standalone shield height, a 6-foot, 8-foot, or taller trench box may be a better fit. For projects requiring additional longitudinal working room, a 4×20 TSB4 may be more appropriate.
We can help you compare trench box sizes and configurations based on your excavation requirements, pipe dimensions, 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 TSB4 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:
