Trencher & Auger Rental: Depths, Costs & 811 Rules

What Are Trenchers and Augers?

Trenchers and augers are excavation tools designed for specific digging tasks that don’t justify a full-size excavator. Trenchers cut narrow, linear channels in the ground for pipes, cables, and drainage systems. Augers bore vertical holes for fence posts, sign posts, deck footings, tree planting, and pier foundations.

Most people need a trencher or auger once or twice a year, at most. A trencher might run two days for an irrigation install and then sit untouched for months. Renting is the obvious choice. You get the right machine for the job without the storage, maintenance, or upfront cost.

What Types of Trenchers and Augers Are Available for Rent?

Rental yards carry walk-behind, ride-on, and chain trenchers for cutting channels, plus handheld, skid steer-mounted, and towable augers for boring holes.

Trenchers

Walk-Behind Trenchers are compact machines that an operator guides from behind, similar to a walk-behind mower. They cut trenches 12-36 inches deep and 2-6 inches wide. Powered by gas engines (typically 5-13 HP), they’re designed for residential and light commercial work: irrigation lines, landscape lighting wire, invisible dog fences, and shallow drainage. Weight ranges from 200 to 400 pounds.

Ride-On Trenchers are dedicated trenching machines with an operator platform. They handle harder soils, dig deeper (36-60 inches), and cut faster than walk-behinds. Rubber-tracked models minimize lawn damage. They’re the standard choice for utility contractors installing water services, gas lines, and electrical conduit in residential subdivisions.

Chain Trenchers (large/dedicated) mount on heavy-duty tracked or wheeled carriers and dig 5-8 feet deep. The digging element is a continuous chain with carbide teeth, similar to a chainsaw. These machines handle sewer mains, storm drainage, and deep utility installations. They require experienced operators and are typically rented as operated equipment.

Micro Trenchers cut very narrow slots (1-2 inches wide) in pavement and soil, primarily for fiber optic cable installation. They’re specialized and less commonly stocked at general rental yards.

Augers

Handheld Post Hole Augers (also called one-person or two-person augers) are portable, gas-powered augers carried by hand. One-person models handle bits up to 8 inches; two-person models handle up to 12 inches. They dig 30-48 inches deep and are the standard for fence posts, mailbox posts, and small footings.

Skid Steer/Excavator-Mounted Augers are hydraulic auger attachments that mount on skid steers, mini excavators, or compact track loaders. They handle bits from 6 to 36+ inches and dig up to 6 feet deep. The machine provides the power and stability, making large-diameter holes and hard soil much more manageable than handheld units.

Towable Augers mount on a trailer or three-point hitch and are powered by the tow vehicle’s PTO or their own engine. Common in agricultural applications for fence building on large properties.

What Are Common Uses for Rental Trenchers and Augers?

The list is longer than most people expect.

• Irrigation installation: Trenching for sprinkler main lines and lateral lines (12-18 inches deep)
• Electrical conduit: Running underground power to outbuildings, pools, landscape lighting (18-24 inches deep)
• Gas lines: Installing natural gas or propane lines to generators, grills, or outbuildings (18-24 inches deep)
• Drainage systems: French drains, downspout drains, and curtain drains (18-36 inches deep)
• Fence building: Boring holes for wood, vinyl, or chain-link fence posts (8-12 inches wide, 30-42 inches deep)
• Deck footings: Drilling holes for concrete pier footings (10-16 inches wide, 36-48 inches deep below frost line)
• Sign installation: Boring holes for commercial sign posts and highway sign foundations
• Tree planting: Large-diameter auger holes for transplanting balled-and-burlapped trees

How Do You Choose the Right Trencher or Auger to Rent?

Depth, diameter, and soil type narrow the options quickly. Here’s how to work through it.

For trenching, determine depth and length:

• Under 24 inches deep, under 200 linear feet: walk-behind trencher
• 24-48 inches deep or 200-1,000 linear feet: ride-on trencher
• Over 48 inches deep or over 1,000 linear feet: chain trencher or mini excavator

For augering, determine diameter and quantity:

• Under 20 holes, 12 inches or smaller diameter: handheld two-person auger
• Over 20 holes or soft/average soil with good access: skid steer-mounted auger
• Large diameter (16-36 inches) or deep holes: excavator-mounted auger

Soil conditions change everything. Sandy or loamy soil is easy for any trencher or auger. Clay is slow and sticky; you’ll need more power and may need to clean the auger bit frequently. Rocky soil may eliminate trenchers entirely in favor of a mini excavator with a rock bucket or hydraulic breaker.

Ground conditions matter too. If you’re trenching across a finished lawn, a walk-behind or rubber-tracked ride-on minimizes turf damage. A wheeled trencher on wet clay will tear up the yard far beyond the trench line.

How Much Does It Cost to Rent a Trencher or Auger?

Rates shown are approximate US averages and vary by market, season, and rental duration.

Equipment Type	Daily Rate	Weekly Rate	Monthly Rate
Walk-behind Trencher (24” depth)	$165 – $280	$480 – $820	$1,100 – $1,950
Walk-behind Trencher (36” depth)	$220 – $360	$650 – $1,100	$1,500 – $2,600
Ride-on Trencher (48” depth)	$450 – $750	$1,300 – $2,400	$3,200 – $6,000
Handheld Auger (Two-Person)	$85 – $140	$250 – $440	$550 – $980
Skid Steer Auger Attachment	$140 – $220	$380 – $660	$850 – $1,650
Auger Bit (6” – 36”)	$30 – $85	$60 – $180	$120 – $350

Delivery for walk-behind units typically runs $85 – $175. Ride-on trenchers require specialized trailers, with delivery costs ranging from $160 – $400.

Looking for trencher and auger rental companies near you? Browse independent rental yards in your area through our trencher and auger directory. These are local companies you can call directly.

What Safety Rules Apply to Trencher and Auger Rentals?

811 is not optional. OSHA compliance kicks in once your trench hits 5 feet.

Call 811 before you dig. This is the single most important safety step for any trenching or augering project. Buried utilities (gas, electric, water, sewer, fiber optic) are invisible until you hit them. A trencher chain spinning at high speed through a live gas line or electrical cable is a life-threatening event. The 811 service is free, required by law, and takes 2-3 business days to complete locating in most states.

OSHA excavation standards (29 CFR 1926.650-652) apply when trenches reach 5 feet deep. At that depth, trenches require protective systems (sloping, shoring, or trench boxes) to prevent cave-ins. Even shallower trenches can collapse, so evaluate soil conditions. Competent person requirements apply to any trenching operation.

Kickback and torque hazards: Walk-behind trenchers can kick back violently when they hit rocks, roots, or hard objects. Maintain a firm grip on both handles and never straddle the trench chain. Handheld augers generate significant torque. Always use a two-person auger for bits over 6 inches, and brace for the possibility of the auger catching and spinning the handles.

Underground hazard awareness: Even after 811 locating, hand-dig within 18-24 inches of marked utilities. Locating marks carry a tolerance of +/- 18 inches in most states. Never assume a utility is deeper than the marks suggest.

Personal protective equipment: Steel-toed boots, safety glasses, hearing protection (trenchers exceed 90 dB), and gloves. For augering, avoid loose clothing that can catch on the spinning bit.

What Should You Know Before Renting a Trencher or Auger?

The jobs that go smoothly are the ones where you’ve done a few minutes of planning before the machine arrives.

Call 811 the moment you schedule the rental. Locating takes 2-3 business days in most states (some require more). If you rent the trencher for Saturday but don’t call 811 until Thursday, you may be waiting with an idle machine burning rental days.

Walk the trench line before the machine arrives. Flag the route, identify obstacles (tree roots, concrete, irrigation heads), and note any grade changes. This helps you choose the right equipment and avoids surprises mid-trench.

Rent the right size, not the biggest size. A walk-behind trencher for a 100-foot irrigation line is a 2-hour job. A ride-on trencher for the same job takes longer to load, transport, unload, and return than it does to actually trench. Match the machine to the job, not your ego.

For augers, bring a digging bar. When the auger hits a rock and stalls, a digging bar lets you pry it out and continue. Without one, you’re stuck.

Mark your trench with spray paint before cutting. A straight, clearly marked line produces a straight trench. Once the chain is in the ground, corrections are difficult and messy.

Plan your spoil. Trenchers produce a ribbon of spoil alongside the trench. If you’re trenching near a building, driveway, or finished landscape, decide in advance where the dirt goes and how you’ll handle backfill and compaction.