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HFP3500 Hydraulic Auger Drive – Excavators | 3614Nm Torque | Suits 2.5–4.5T Excavators
HFP3500 Hydraulic Auger Drive – Excavators
$2,490 including GST.
The HFP3500 Hydraulic Auger Drive is engineered for excavators running in the 2.5–4.5 tonne class, delivering high torque output, smooth drilling performance, and excellent hydraulic efficiency across a wide range of drilling applications.
Designed for fencing, footing installation, tree planting, utility installation, civil construction, and foundation drilling, the HFP3500 offers increased auger diameter capability and reliable performance in tougher ground conditions.
Built for Australian conditions, this auger drive is ideal for contractors, hire fleets, councils, utility providers, agricultural operators, and OEM applications requiring a dependable and serviceable drilling solution.
Designed for Australian operating conditions and backed locally by ST Engineering and HFP Attachments for expert advice, fitment support, parts, and after-sales service.
Key Features & Benefits
• High-torque hydraulic drive system
• Up to 3,614Nm torque output
• Heavy-duty epicyclic gearbox
• Non-dislodgement output shaft
• Supports auger diameters from 100mm to 750mm
• Smooth drilling performance across varied ground conditions
• Suitable for fencing, footings, tree planting, utility installation and civil construction
• Hydraulic hoses and adaptors included
• Built for Australian conditions
• 2-Year Manufacturer's Warranty
Suitable Applications
Ideal for:
• Fence post installation
• Rural fencing
• Tree planting
• Utility installation
• Foundation drilling
• Footing installation
• Civil construction
• Agricultural applications
• Sign installation
• General earthworks
Functional Overview
The HFP3500 is designed to deliver increased torque output while maintaining smooth rotation and hydraulic efficiency.
Its high-capacity hydraulic motor and heavy-duty epicyclic gearbox provide efficient torque multiplication, allowing operators to complete demanding drilling tasks with excellent control and reliability.
The broad auger diameter capability allows a single drive unit to perform multiple drilling applications without changing equipment.
Design & Construction
High-Torque Hydraulic Drive System
Designed to deliver strong, consistent torque output in demanding drilling conditions.
Epicyclic Gearbox
Provides efficient torque multiplication and extended service life.
Non-Dislodgement Output Shaft
Single-piece mechanically retained output shaft engineered for operator safety and durability.
Robust Housing Construction
Built to withstand repetitive commercial, civil, and utility drilling applications.
Excavator-Matched Design
Optimised for excavators in the 2.5–4.5 tonne class, providing excellent stability and drilling control.
Machine Compatibility
• Carrier Type: Excavator
• Typical Excavator Suitability: 2.5–4.5 Ton
• Suitable for all major excavator makes and models
Machine make and model details should be supplied to confirm hitch compatibility and mounting requirements.
Specifications
| Feature | Specification |
|---|---|
| Excavator Compatibility | 2.5–4.5 Ton |
| Maximum Torque | 3,614Nm |
| Operating Pressure | 240 Bar |
| Oil Flow Range | 30–68 L/min |
| Rotary Speed | 32–72 RPM |
| Hydraulic Hose Connection | 1/2 Inch |
| Output Shaft Diameter | 65mm Round |
| Unit Weight | 71kg |
| Unit Height | 700mm |
| Maximum Diameter | 244mm |
| Supported Auger Length | 1200mm |
| Supported Auger Diameter | 100–750mm |
Specifications are indicative only and may vary depending on supplier updates and ongoing product improvements.
Package Includes
• HFP3500 Hydraulic Auger Drive
• Hydraulic hoses and adaptors
Auger bits are sold separately.
Machine-side quick connects are not included.
Optional mounting configurations available:
• Double Pin Cradle Hitch
• Double Pin Hitch
• Single Pin Hitch
Important Information
To ensure correct fitment and operation, please provide:
• Machine make
• Machine model
• Pin diameter
• Pin centre to pin centre
• Width between ears
• Quick hitch type
• Auxiliary hydraulic flow
• Auxiliary hydraulic pressure
This attachment is custom-configured to suit your excavator setup.
Final configuration and fitment are based on the specifications supplied by the customer.
Machines fitted with quick hitches may require additional clearance considerations depending on hitch design and geometry.
Product images are for illustrative purposes only.
Custom colours are available on request to suit fleet, council, government, utility, contractor, and corporate requirements.
Colour, decals, hydraulic hose routing, and minor design features may vary between production runs and ongoing product improvements.
Machine specifications should always be confirmed prior to ordering to ensure correct fitment and hydraulic compatibility.
Freight & Delivery
Standard shipping (website shipping through checkout) is to nearest depot or commercial business with forklift facilities.
Residential/farm deliveries are also available but all properties with a house are considered residential deliveries by freight companies and the freight costs are higher.
Please contact us for a quote if you want residential delivery.
Support & Warranty
All attachments are backed locally with access to parts, technical support, and after-sales service.
• 2-Year Manufacturer's Warranty
• Ongoing After-Sales Technical Support
Why Choose HFP Attachments
Most suppliers just import and move boxes — then you're on your own. HFP is different.
Australian-made and imported attachments available
Expert advice from purchase through to installation
Local warranty, repairs, and technical support
Experienced team who understand fitment and real-world applications
With HFP, you get the right attachment, correctly fitted, and backed by local support.
Contact & Orders
Phone: 03 9762 6483
Email: sales@stengineering.com.au
Order Online: Available via our website checkout