Digga 4 Series augers: 5T

Our 4 Series augers boast effective cutting heads for efficient drilling, and suit mini loaders, skid steer loaders, and excavators up to 5T. Depending on ground conditions, you can choose a bladed or tapered cutting head, or rotating rock picks. For deeper holes, a full range of auger extensions are available for your specific requirement.

Australian made quality

With over 30 years of auger design and manufacturing using the highest quality material, Digga augers boast extremely efficient cutting head designs, heavy duty tubing, and optimum flight pitches to provide maximum spoil removal in all ground conditions.

A4 earth

Drill holes in light earth conditions and clay. Numerous teeth options are available for most ground conditions. Available in Earth, Tungsten, or MFT forgeneral drilling. Easy PADLOC knock in and out teeth require no special tools. Watch our earth auger overview video.

RC4 earth/rock

Digga’s RC4 Augers come with tapered tungsten TAPERLOC teeth, which are designed for drilling in earth, shale, asphalt, permafrost and fracturable rock.

DR4 dedicated rock

DR augers feature rotating rock picks for drilling from soft fracturable rock to very hard rock. Featuring short flighting, the design encourages regular spoil removal, allowing cool air to enter the hole, and facilitate regular tooth inspection. Watch our rock auger overview video.

Specification A4 RC4 DR4
Drilling Conditions General & Clay Combo Earth & Rock Dedicated Rock
Standard Hub 65mm Round 65mm Round 65mm Round
Hub Options 50.8 mm Round / 57 mm Square / 75 mm Square 50.8 mm Round / 57 mm Square / 75 mm Square 75 mm Square
Overall Length 1200 mm 1200 mm 1200 mm
Flights (Lead) 8 mm 8 mm 12 mm
Flights (Carry) 8 mm 8 mm 8 mm
Teeth TS TT 19 mm Rotating Rock Pick
Ideal Drives ML / PDD – PD4 PDD – PD4 PDD – PD4
Optimum Drilling Speeds – RPM
Earth 55-65 55-65 Not Recommended
Clay 45-55 Not Recommended Not Recommended
Shale (Fracturable Rock) 25-45 25-45 25-45
Heavy Rock N / A N / A 10-25