DIGGA PD50 Excavator Auger Drive Unit


Recommended 120 – 230 LPM. Includes 3m 3/4″ hoses, flat face couplers, pressure relief valve, standard hitch & linkage.

$13,221.00 +GST

Optional Add-ons

To suit all Excavators such as Caterpillar, Hitachi, Kobelco, Komatsu, Kubota, Yanmar, Deere, New Holland, Bobcat and Doosan.

DIGGA Auger Drive Unit

Australian manufactured. Heavy duty auger drive unit to suit Excavators 20T – 50T.  Digga’s PD25 to PD50 range of drilling auger drives are ideally suited for 20 to 50t excavators with a flow between 70 to 230 lpm. Fitted with Digga / Eaton bell motors with intergrated pressure relief valve and input housing. An innovative design allows the gearbox to go down the hole to maximise drilling depth without extentions, eliminating downtime and minimises maintenance, optimising your returns. Digga planetary auger drilling drives are specially designed for drilling and augering in most ground conditions.


3m hydraulic hoses & flat face couplers. Let us know your excavator hitch dimensions at time of order and hitch will be supplied to suit.


  • 100mm square shaft
  • Compact high torque Digga manufactured gearbox
  • Highly efficient design with less moving parts
  • Fitted with Eaton/Digga geroler hydraulic motor
  • No case drain required
  • Full range of shafts available upon request
  • Extreme duty shaft locking system
  • Drive fits down the hole for greater digging depth
  • 5 Year Gear Box Warranty & 3 Year Motor Warranty


Excavators 20T – 50T

DIGGA PD50 High Flow Auger Drive Unit – Attachment Specifications

Recommended Flow: 120-230 lpm
Max Torque: 38420 Nm
Motor: 6K Bell EATON
Pressure Valve Fitted: Included
Energy Control Valve: Optional
Case Drain Required: No
Max Pressure – Do not exceed: 240 bar @ 130 lpm
Max Flow – Do not exceed: 230 lpm @ 130 bar
Max Power – Do not exceede: 50 Kw (67 hp)
Overall Length: 1152 mm
Diameter: 355 mm
Unit Weight (no frame / hitch): 300 Kg
Package Weight (hitch): 400 kg
Standard Output Shaft: 100mm Square
Dimensions on Pallet (with 300 and 450mm Auger and Hitch): 150cm (L) x 110cm (W) x 60cm (H) 416 kg
Suitable Augers: 10/11 Series – 1500mm Overall Length, 16mm Flights, 100mm Square Hub
Max Auger Diameter in Clay / Shale: 1500 mm
Max Auger Diameter in Earth: 1800 mm
Optimum Drilling Speeds (RPM): Earth = 55-65 RPM, Clay = 45-55 RPM, Fracturable Rock = 25-45 RPM, Heavy Rock = 10-25
Standard Hoses & Couplers: 3m 3/4″ hydraulic hoses
Warranty: 5 Year Gearbox and 3 Year Motor Warranty