JT21 vs JT24

How to choose the best HDD directional drill for utility and fiber work

May 6, 2026

Key Takeaways

  • Most fiber and utility jobs do not require the same HDD drill. Bore length, soil conditions and product diameter should guide your selection.
  • Compact HDD drills like the JT21 are ideal for neighborhood fiber installs and tight-access utility work where maneuverability matters most.
  • Larger HDD drills like the JT24 are necessary for longer bores and bigger conduit, delivering the torque and pullback needed to maintain productivity and reduce machine strain.

JT21 vs. JT24: Which HDD directional drill is right for your job?

Utility and fiber installation projects often get lumped together as if they place the same demands on equipment. In reality, jobsite conditions, bore plans and product diameter can vary widely from one project to the next. Choosing the best horizontal directional drill is less about popularity and more about understanding what your typical work actually requires.

A smart approach starts by looking at the bore itself. Soil conditions, bore length and depth, available space on the jobsite and the diameter of the product being installed all play a role in determining the drill you need. Fiber installations, especially in neighborhoods and urban areas, often involve tight access and shorter runs. Utility work may introduce heavier product, tougher ground and longer shots that quickly increase the demands placed on the machine.

For many contractors focused on residential utilities and standard fiber installs, the Ditch Witch JT21 is an excellent match. Its compact footprint of only 55.5 inches wide and 218 inches long, allows crews to work comfortably in confined spaces while still delivering the power needed for typical service installations. It is maneuverable, efficient and well suited for the majority of neighborhood drilling tasks.

However, project requirements have a way of growing. As bore lengths increase and conduit diameter gets larger, the load placed on the drill rises significantly. What begins as a routine fiber job can quickly require more pullback force and torque than a smaller class drill is designed to provide. This is where the Ditch Witch JT24 continues to be the right choice. With increased thrust and pullback of 24,000 lbs, and rotary torque of 3,000 ft/lbs, the JT24 is built to handle larger diameter product and more demanding bores without overworking the machine or slowing down the crew.

Does jobsite access play a role in the size of the directional drill needed?

Jobsite access also plays a major role in drill selection. Many fiber and utility projects take place in easements, yards and congested areas where a large footprint creates challenges of its own. Compact drills shine in these environments, but stepping up in size when the work demands it ensures crews are not pushing a machine beyond its intended limits.

Does operator experience matter when choosing an HDD directional drill?

Operator experience should not be overlooked. Directional drilling is precision work that depends on clear controls and good visibility. A comfortable operator is a productive operator and having common and familiar controls allows operators to be confident across many drill classes.

What factors affect the total cost of an HDD directional drill?

Finally, the true cost of a drill is measured over its lifetime, not on the initial investment. Fuel efficiency, maintenance requirements, dealer support and resale value all contribute to long- term value. A drill that is properly matched to your work will last longer and perform more consistently.

Choosing the best HDD directional drill for utility and fiber work comes down to understanding the demands of your jobs and selecting equipment that can meet those demands without strain. For everyday neighborhood service and fiber installs, the JT21 fits the work well. When the project includes longer bores or larger diameter product, the JT24 is still the drill that delivers the performance needed to get the job done right.

HYDRAULIC BREAKER
Used for construction and demolition, our breakers can be used to break up asphalt, concrete or even clay. The hydraulic hammer is perfect for any small or medium job you might have. More up-time in the field is always the goal, and with only two moving parts and a few seals, there’s no reason for down-time.
Compatible Models

SK600, SK800, SK900, SK1050, SK1550, SK1750

ROCK SAW

Best suited for irrigation and fiber installation, the Rock Saw attachment can effortlessly cut through rock, concrete, and other tough materials with unmatched precision. 

Compatible Models

SK1050, SK1550, SK1750

BACKHOE
Easily move materials for rebuilds, new construction, footings, utility repairs and more with this compact and versatile attachment.
Compatible Models

SK800, SK900, SK1050, SK1550, SK1750

BRUSH GRAPPLES

Tackle tough cleanup jobs with confidence. Perfect for handling brush, limbs, debris, and more with speed and control. Its durable, open-frame design makes it easy to grab uneven loads.

Compatible Models

SK600, SK800, SK900, SK1050, SK1550, SK1750

CORE DRILL
With the MC-450 coring attachment, utility maintenance is simple and less disruptive. Featuring intuitive controls and an integrated water tank, the MC-450 is the perfect choice for quick cuts and a more productive coring process. A fully adjustable 0 to 280 rpm speed allows for enhanced control and greater productivity.
Compatible Models

SK1050, SK1550, SK1750

SOIL CULTIVATOR
Prepare food plots, gardens, and landscaping projects with a soil cultivator. It gets land ready by stirring organic material back in the soil for a healthier, more stable lawn. Buries the biggest of rocks for a looser topsoil.
Compatible Models

SK600, SK800, SK900, SK1050, SK1550, SK1750

BLADES
Whether you’re looking to increase dump height or digging depth, attaching a backfill blade is an easy way to save manpower on your jobsite while working with precision and timeliness. Available in various widths.
Compatible Models

SK600, SK800, SK900, SK1050, SK1550, SK1750

AUGER DRIVER
Ideal for landscaping and tree care, an auger attachment will expedite hole creation and allow operators to quickly plant trees or install fence posts than if they were hand-digging or relying on a hand-held auger. Available in 6" to 30" diameters.
Compatible Models

SK600, SK800, SK900, SK1050, SK1550, SK1750

TILLER
Tough and effective tillers prepare your garden by breaking up tough soil and removing unwanted weeds. Available in 4' width.
Compatible Models

SK600, SK800, SK900, SK1050, SK1550, SK1750

LOG GRAPPLES & RAKE

The mini skid steer log grapple is built for tree service pros, with options that offer lift capacities up to 3,000 lbs. Save hours on your tree removal cleanups, this quick grab rake attachment is great for sweeping up stump chips, pine needles, rocks, and even snow!

Compatible Models

SK600, SK800, SK900, SK1050, SK1550, SK1750

CARRY ALL LEVELER
One of our most simple yet versatile attachments, the Carry-All Leveler is perfect for carrying bulky material, leveling soil and adding a flat, smooth finish to your project. Available in 49" width.
Compatible Models

SK600, SK800, SK900, SK1050, SK1550, SK1750

PALLET FORKS
Take on your heaviest loads with precision and dependability with Ditch Witch pallet forks. They easily attach to any of our skid steers and can easily accessorize with hay spikes, brick guards, and much more to add even more ROI. Available in widths ranging from 36-48.75" and lengths from 36-48".
Compatible Models

SK600, SK800, SK900, SK1050, SK1550, SK1750, SK3000

MICROTRENCHER
Fiber installation and other street-located work is rapidly growing. A microtrenching attachment is key for operators looking to get into fiber installation at the street level. They cut both concrete and asphalt in controlled increments so contractors don't need to stop traffic. Maximum width options are 0.5-1.5” or 2” with maximum depths of 12” or 16”.
Compatible Models

SK1050, SK1550, SK1750, SK3000

ROTO WITCH®
The Ditch Witch Roto Witch® attachment is used for short bores underneath sidewalks, driveways and other obstacles. It offers great digging performance while minimizing jobsite restoration. Compatible with numerous Ditch Witch stand-on skid steers, the Roto Witch attachment can bore and backream up to 12" (300 mm) in diameter.
Compatible Models

SK600, SK800, SK900, SK1050, SK1550, SK1750

PLOW
Install fiber and other utilities quickly with a vibratory plow attachment for your skid steer. It creates less ground disruption and cleanup than traditional trenching to get the job done faster. Available in maximum depths of 14" and 24".
Compatible Models

SK600, SK800, SK900, SK1050, SK1550, SK1750, SK3000

POWER RAKE
Clean, level and prep jobsites or smooth and loosen soil for sodding with a rake attachment. Most rake attachments require 10 to 14 gpm, but the higher horsepower creates even more drum torque to tear through the most demanding soil types. Width measures 4'.
Compatible Models

SK600, SK800, SK900, SK1050, SK1550, SK1750

ROTO WITCH®
The Ditch Witch Roto Witch® attachment is used for short bores underneath sidewalks, driveways and other obstacles. It offers great digging performance while minimizing jobsite restoration. Compatible with numerous Ditch Witch stand-on skid steers, the Roto Witch attachment can bore and backream up to 12" (300 mm) in diameter.
Compatible Models

SK600, SK800, SK900, SK1050, SK1550, SK1750

TRENCHER

Stay efficient on large jobsites with a trencher attachment for your skid steer. It’s a smart alternative to large, specialized equipment for utility installation and landscaping jobs. Available in standard 6”, 8” and 12” maximum widths with maximum depths of 36", 38", 48” and 55.5”.

Compatible Models

SK600, SK800, SK900, SK1050, SK1550, SK1750, SK3000