Skid Steer Trencher vs. Excavator: Which Is Better for Trenching?

Trenching is a routine requirement for many landscaping, construction, agricultural, and land-management projects. Irrigation systems, drainage lines, electrical conduits, water pipes, fencing, and other underground installations often require long, narrow trenches with specific depths and widths. An excavator is a familiar choice for this type of work. Its digging bucket can excavate soil efficiently and perform a range of other excavation tasks. For projects focused primarily on trenching, a skid steer trencher can offer a practical alternative, particularly where maneuverability, trench consistency, or attachment versatility are important. However, the appropriate choice depends on several factors, including productivity, operating costs, trench dimensions, precision, equipment versatility, and site conditions. This post compares the two approaches to help users select equipment that matches the project requirements.

What Does Each Machine Actually Do?

Here’s what excavators and skid steer trenchers actually do.

Excavator: An excavator is a general-purpose earthmoving machine equipped with a boom, arm, and bucket.

• It can excavate soil, load material, grade surfaces, handle demolition work, and perform numerous other tasks with compatible attachments.
• Its versatility makes it valuable for projects involving substantial excavation or multiple forms of earthwork.
• Trenching is one of those applications; however, an excavator typically uses a bucket to excavate the trench rather than a continuous trenching attachment.
• Bucket selection allows the operator to change the excavation width and adapt the machine to different trench sizes and soil conditions.

Trencher: A trencher takes a more specialized approach.

• A skid steer trencher is an attachment mounted to a compatible skid steer or loader. It uses the carrier’s hydraulic system to power the trenching mechanism.
• Its chain-driven cutting system is intended to produce a continuous, narrow trench while excavated material is discharged to the side. Instead of using a bucket to scoop soil, it uses a digging chain or boom-mounted cutting system to create a continuous trench.
• The attachment is specifically configured for trenching applications, with features such as adjustable depth control, a selected digging width, and a spoil-discharge system.
• A trencher focuses the carrier machine’s hydraulic and operating capabilities on trench production.

Skid Steer Trencher vs. Excavator: At a Glance

Choosing between a skid steer trencher and an excavator depends on the type of trenching project, required depth, and jobsite conditions.

The table below compares the key differences to help you decide which machine is the better choice for your trenching project.

Cost Considerations: Attachment vs. Standalone Machine

• Skid Steer Trencher: A trencher functions as an attachment rather than a standalone machine. For businesses that already own a compatible skid steer, this can be a practical way to add trenching capability without purchasing additional equipment. Landscapers, contractors, farmers, and property managers can use the same carrier machine for multiple applications throughout the year. When evaluating a skid steer trencher for sale, factors such as hydraulic requirements, trench depth, trench width, attachment weight, and compatibility should be considered.
• Excavator: An excavator represents a separate equipment investment. Whether purchased or rented, it may involve additional costs related to transportation, storage, maintenance, and insurance. These costs may be justified when projects regularly require large-scale excavation, grading, or material handling in addition to trenching.
  

  Versatility and Attachment Flexibility

• Skid Steer Trencher: A skid steer can support a wide range of attachments, including buckets, augers, grapples, blades, and brooms. Adding a trencher expands its capabilities to include trenching for irrigation, utilities, drainage, and other applications. Features such as side-shift functionality, adjustable depth control, and spoil management systems are available on some trencher models and can provide additional control over trench placement and operation. A skid loader trencher allows operators to perform specialized trenching work while retaining the flexibility of a multi-purpose machine.
• Excavator: An excavator is a versatile earthmoving machine capable of digging, grading, lifting, and demolition work. It can switch between buckets and other compatible attachments to address different excavation and material-handling tasks. While it can create trenches, its bucket is designed for general excavation rather than continuous trench cutting. A trencher may therefore be more suitable for applications where continuous, narrow trench production is the primary requirement.
  

  Precision, Trench Cleanliness, and Terrain Handling

  
  

• Skid Steer Trencher: A trencher is specifically designed to produce narrow, controlled trenches with relatively consistent dimensions. Depth-control systems can help maintain uniform trench dimensions, while spoil-management components help direct excavated material away from the trench. This can be beneficial for irrigation systems, utility conduits, drainage lines, and fencing installations where trench consistency is important. Different chain configurations and tooth arrangements can also be selected on some models.

• Excavator: An experienced excavator operator can create accurate trenches, but the results depend heavily on operator skill, bucket positioning, and ground conditions. Depending on the bucket width and excavation method, an excavator may remove more soil than a narrow trencher for some utility or irrigation applications, which can increase material handling and backfill requirements. Challenging soil conditions such as rocky ground, hard clay, or buried debris can also affect productivity and trench quality.

The most suitable choice ultimately depends on the project’s scope, trench requirements, site conditions, and the equipment already available within the fleet.

Use Cases

Here are some application areas where either a skid steer trencher or an excavator may be appropriate, depending on the scope and requirements of the work.

• Landscaping and Property Maintenance: Landscaping and property maintenance businesses frequently install irrigation systems, drainage lines, low-voltage utilities, and fencing. A skid steer trencher can be a practical choice for narrow, repetitive trench runs, particularly when the same skid steer is also used for grading, loading, or material handling. An excavator may be more appropriate when the project also involves larger excavation areas, extensive soil removal, or trenching around substantial landscape features.
• Construction and Excavation Contractors: Construction contractors may require trenches for electrical conduit, water lines, drainage systems, pipe installations, and other underground infrastructure. A skid steer trencher can suit projects involving long, narrow trenches with relatively consistent dimensions. An excavator can be more suitable when trenching is combined with larger excavation, trench widening, spoil handling, lifting, or work that requires greater digging reach. The appropriate equipment choice will depend on the size of the project, soil conditions, trench dimensions, and the contractor’s existing fleet.
• Farmers, Ranchers, and Landowners: Agricultural properties often require buried water lines, drainage improvements, fencing installations, and utility runs. A skid steer already used for property maintenance can be equipped with a trencher to reduce the need for an additional machine when trenching represents one part of a broader maintenance program.
• Forestry and Land Management: Forestry and land-management operations may involve projects in areas with restricted access or uneven terrain. A skid steer can be useful for narrow trenching in areas where its compact size and maneuverability suit the site. An excavator may be preferable when the work requires greater reach, deeper excavation, larger spoil volumes, or excavation around uneven terrain and obstacles. The trencher’s side-shift capability, where available, can assist with trench placement near structures and obstacles.

Trencher or Excavator: Choosing the Right Equipment for Trenching

For large-scale excavation, an excavator remains a versatile choice and may be better suited to projects that require substantial digging, material movement, greater reach, or changing excavation profiles. For long, narrow, and repetitive trenching applications, a skid steer trencher can provide continuous cutting and relatively consistent trench dimensions while adding trenching capability to an existing skid steer fleet.

With configurations reaching depths of up to 48 inches and widths up to 12 inches, Skid Pro provides options for irrigation, utilities, drainage, fencing, and other trenching applications. Review the Skid Pro Skid Steer Trencher for specifications and contact our team today to identify the configuration suited to your equipment and project requirements.

Video: Skid Pro Skid Steer Trencher Quick Start Guide

The demonstration provides a useful visual reference for the attachment’s setup and operating process, including attachment adjustment and operating steps that can help achieve consistent trenching results. Watch the Skid Steer Trencher Quick Start Guide

Frequently Asked Questions

1. What factors determine the correct trencher chain configuration?

The required trench width, soil conditions, operating environment, and intended trench depth should be considered when selecting a chain configuration. Skid Pro offers different tooth configurations and a standard 50/50 tungsten and scoop-tooth combination chain.

2. How does hydraulic flow affect trencher selection?

Hydraulic flow helps determine which trencher configuration is compatible with the carrier machine and can influence attachment performance. Skid Pro different trencher configurations for specified hydraulic-flow ranges, including standard models requiring 12 to 25 gpm or 12 to 27 gpm and high-flow models requiring 28 to 40 gpm. The carrier’s hydraulic specifications should be verified against the requirements of the specific trencher model before purchase.

3. What maintenance should be performed on a skid steer trencher?

Routine maintenance includes inspecting hydraulic components, bolts and connections, chain and teeth, grease points, and other wear components. Skid Pro provides an owner’s manual and parts resources with maintenance information for the attachment.

4. What is the purpose of the trencher’s manual side shift?

The manual side shift allows the trenching position to be offset from the carrier’s centerline. This can provide greater flexibility when trenching near buildings, structures, and other obstacles.

5. What should be considered before using a trencher on difficult soil?

Soil composition should be assessed before operation. Rock, slate, hard clay, buried debris, and other difficult ground conditions can affect cutting performance and component wear. Skid Pro states that its trencher is not recommended for operation in rock or slate soil, so the manufacturer’s operating guidance should be reviewed before trenching in difficult ground conditions.