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

Boost Efficiency and Operator Safety with the A-3/A-6 Horizontal Drill

The Minnich A-3/A-6 horizontal drill is a powerful and versatile concrete drilling machine designed to tackle full-depth repair work with unmatched precision and productivity. Engineered to be machine-mounted, this pneumatic drilling solution easily attaches to backhoes, skid steers, or excavators, transforming them into mobile, self-contained drilling units. Ideal for patchwork jobs, the A-3/A-6 series improves jobsite workflow while reducing operator fatigue and risk.

Unmatched Horizontal Drilling Performance

Whether you’re handling major patchwork or smaller slab repairs, the A-3/A-6 horizontal drill delivers professional-grade results. It allows for up to six drill setups, making it a high-capacity horizontal drill perfect for DOT contractors and road crews looking to streamline operations. With its side-shift functionality, operators can quickly align for multiple drill points without repositioning the carrier, dramatically increasing jobsite speed and efficiency.

Key Features of the A-3/A-6 Horizontal Drill

✅ Machine-Mounted Versatility: Easily attaches to backhoes, excavators, or skid steers for a mobile and compact concrete drilling solution
✅ Up to Six Drills: Multi-drill configurations allow for multiple dowel placements in a single pass
✅ Side-Shift Functionality: Drill a second set of holes without moving the carrier—saving time and effort
✅ Dust Collection Option: Compatible with optional dust suppression systems to reduce airborne debris and maintain a clean work zone
✅ Enhanced Safety: Operator stays safely inside the cab while the machine handles all the hard work
✅ Pneumatic Operation: The rugged air-driven system ensures long-term durability and low maintenance demands

Designed for Demanding Environments

From highways to municipal roadwork, the A-3/A-6 horizontal drill is built to thrive under pressure. It reduces labor costs, increases output, and ensures safer drilling—all while being compact enough for tight jobsite conditions. As a leading dowel drill in its class, it’s engineered for efficiency and built for years of reliable performance.

Why Choose the A-3/A-6 Horizontal Drill?

If you’re searching for a concrete drilling machine that offers power, flexibility, and reduced operator fatigue, the A-3/A-6 is your solution. Backed by Minnich’s reputation for reliability and jobsite innovation, this pneumatic drilling solution is an investment in long-term productivity.

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)