Epiroc ADC 25 Auger Drill Compact (Unknown Years)

Name: ADC 25
Brand: ADC

When the ground needs to yield—fast—this compact drill bites deep with brute efficiency, turning stubborn earth into precision holes without fanfare.

Overview

The Epiroc ADC 25 Auger Drill Compact isn’t built for show. It’s a workhorse attachment engineered to turn small excavators into serious drilling rigs, capable of tackling jobs that demand more torque and stability than a handheld auger can offer. Designed for carriers weighing between 2 and 3 tons (4,400–6,600 lb), it slots onto compact machines where power and precision must coexist in tight spaces. Whether you're boring holes for fence posts, drainage, or tree planting, the ADC 25 delivers consistent performance across a 150 to 500 mm (5.9 to 19.7 inch) drilling range—making it versatile enough for municipal services, agriculture, and construction crews who can’t afford downtime.

What sets the ADC 25 apart isn’t flash, but function. It’s built for productivity: with increased oil flow capabilities (35–65 l/min, or 9.3–17.2 gpm), it maintains strong hydraulic performance even under load, translating to faster cycle times and less strain on the host machine. It’s not just about speed, though—this unit is designed to stay put. The single-piece anti pull-out shaft resists disengagement during extraction, a critical feature when working in variable or sticky soils. Combine that with extreme duty radial shaft seals, and you’ve got a drill that’s built to endure the grime, grit, and grind of daily field use. There’s no luxury here, no digital feedback or smart sensors—just mechanical reliability engineered into every millimeter of its 59 kg (130 lb) frame.

Its applications are as broad as they are practical. The ADC 25 excels in screw piling, well drilling, dewatering, and heat sourcing—tasks where repeatable depth and clean hole integrity matter. In forestry and agriculture, it powers through root-dense or rocky ground to create planting holes with minimal fuss. For road construction crews, it handles foundations for sound barriers and signage. It’s not a one-trick tool; it’s a multipurpose solution for contractors who need one attachment to do the work of several. And while it doesn’t carry the pedigree of a legacy audio ADC cartridge or medical device, within its world—industrial attachments—it represents a focused evolution of compact drilling technology.

Specifications

Manufacturer	Epiroc
Product Type	Auger drive unit / excavator attachment
Carrier Weight Class	2 - 3 t (4400 - 6600 lb)
Drilling Range	150 - 500 mm (5.9 - 19.7 inch)
Oil Flow	35 - 65 l/min (9.3 - 17.2 gpm)
Speed Range	51 - 94 rpm
Operating Pressure	140 - 240 bar (2030 - 3480 psi)
Torque Range	1544 - 2645 Nm (1139 - 1951 lbPft)
Unit Diameter	230 mm (9.1 inch)
Unit Length	584 mm (23.0 inch)
Weight	59 kg (130 lb)
Shaft Form	Round
Shaft Size	65 mm (2.6 inch)

Key Features

Single-Piece Anti Pull-Out Shaft

The ADC 25’s single-piece anti pull-out shaft isn’t just a durability feature—it’s a safety and efficiency upgrade. Unlike multi-component shafts that can loosen or disengage under stress, this solid construction resists separation during extraction, especially in compacted or sticky soils. When you’re drilling dozens of holes a day, the last thing you need is a shaft failure that halts operations. This design ensures consistent engagement with the auger bit, reducing downtime and maintenance risks. It’s a small detail that speaks volumes about Epiroc’s focus on real-world reliability.

Extreme Duty Radial Shaft Seals

Seals are often the weak point in hydraulic attachments, but the ADC 25 fights back with extreme duty radial shaft seals built to handle dust, mud, and constant rotational stress. These seals protect the internal mechanics from contamination, preserving hydraulic integrity and extending service life. In environments where dirt and moisture are unavoidable—like forestry or agricultural sites—this level of protection means fewer breakdowns and longer intervals between servicing. It’s not a flashy spec, but ask any operator: when the seals hold, the job keeps moving.

Increased Flow Capabilities

With an oil flow range of 35 to 65 l/min (9.3 to 17.2 gpm), the ADC 25 is designed to make the most of available hydraulic power. This increased flow translates directly into improved drilling productivity—faster rotation, better cuttings removal, and less stalling in dense materials. It’s optimized to work within the output limits of 2–3 ton carriers, ensuring that even smaller machines can deliver strong, consistent performance. The result? More holes per hour, less strain on the excavator, and a tighter window for project completion.