Minnich A-3/A-6 Horizontal Drill

The Minnich A-3/A-6 machine-mounted drills boost productivity and safety on patchwork jobs with up to six pneumatic drills mounted on carriers like excavators or skid steers. These mobile units reduce operator fatigue, offer side-shift functionality for faster drilling, and include an optional dust collection system for cleaner worksites.

Description

Minnich A-3/A-6 Horizontal Drill: Productivity and Precision in One

Engineered for Demanding Roadwork

The A-3/A-6 horizontal drill delivers the speed, safety, and reliability contractors need for full-depth concrete repair. Designed to mount on skid steers, backhoes, or excavators, this system transforms carriers into efficient drilling units. Because it reduces manual labor and improves accuracy, the A-3/A-6 horizontal drill has become a trusted choice for DOT contractors and road crews.

Key Features of the A-3/A-6

  • Machine-Mounted Versatility – The A-3/A-6 horizontal drill attaches easily to standard equipment, creating a compact and mobile concrete drilling machine.
  • Multi-Drill Capacity – Configurations include up to six drills, making it ideal as a high-output dowel drill system.
  • Side-Shift Functionality – Operators align for multiple holes without moving the carrier, saving time and increasing efficiency.
  • Optional Dust Collection – Helps maintain cleaner jobsites and reduces airborne particles.
  • Enhanced Safety – Operators remain inside the cab while the drill handles the hard work.
  • Air-Driven System – A rugged design makes it a proven pneumatic drilling solution with low maintenance requirements.

A Reliable Drilling Machine

The A-3/A-6 horizontal drill functions as a powerful concrete drilling machine for patchwork, joint repairs, and slab restoration. Its compact frame works in tight spaces, yet its performance remains consistent across large-scale roadwork. Because of its adaptability, contractors finish projects faster and with greater precision.

A Proven Pneumatic Drilling Solution

As a dependable pneumatic drilling solution, the A-3/A-6 provides steady torque and consistent drilling depth in cured concrete. Crews benefit from fewer breakdowns and greater productivity across long shifts. This reliability ensures the A-3/A-6 horizontal drill stands up to high-volume jobsite demands.

Designed as a Trusted Dowel Drill

Accuracy matters in reinforcement, and the A-3/A-6 horizontal drill excels as a precision dowel drill. With uniform spacing and repeatable results, it strengthens slab continuity while reducing operator fatigue. Contractors choose it for efficiency, safety, and long-term dependability.

Specifications

Drill Steel Shank .875″ x 4.25″ (22.2mm x 107.9 mm)
Drill Steel Length U.C. 24″ (61.0cm) Under Collar
Drill Bit Diameter .625″ – 2.50″ (15.9mm to 63.5mm)
*Maximum Drill Depth 18″ (45.7cm)
Drill Distance From Top of Slab 3″ – 12″ (7.6cm – 30.5cm)
Minimum Cutout Width 48″ (121.9cm)
SCFM Required 92.2 (2.61 m&sub3;/min)
PSIG Required 90 (0.62 MPa)
Weight A-2 1250 LBS (567.0 kg)
Weight A-3 1500 LBS (680.4 kg)
Weight A-4 1750 LBS (793.8 kg)
Weight A-5 2000 LBS (907.2 kg)
Weight A-6 2125 LBS (963.9 kg)