Mechanical Grab with Stiff Arm & Bracket – 7–8.5T Excavators
Industrial-Grade Mechanical Grab for Mid-Size Excavator Applications
The HFP Mechanical Grab with Stiff Arm is designed for 7–8.5 tonne excavators operating in applications where reliability, simplicity, and controlled handling are required. Commonly used for tree work, site clean-ups, rock placement, scrap handling, and general material movement, this mechanically actuated grab delivers dependable gripping performance without the complexity of auxiliary hydraulics.
Engineered for Australian conditions, this attachment is well suited to contractors, hire fleets, OEM supply programs, and government operators seeking a durable, low-maintenance grab solution for mid-size excavator classes.
Functional Overview
Mechanical grabs utilise the excavator’s bucket curl function to generate closing force, providing a robust gripping solution with minimal components. This design is particularly suitable for:
- Fleet and council applications prioritising durability and ease of maintenance
- Sites where auxiliary hydraulic circuits are limited or unavailable
- Operations seeking reduced downtime and long service life
The supplied stiff arm and mounting bracket ensure correct operating geometry, consistent closing force, and stable performance during use.
Design & Construction
- Five-finger grab configuration
Provides secure engagement across irregular, awkward, and loose materials. - Geometrically balanced design
Ensures smooth, predictable movement and accurate material placement. - Heavy-duty structural construction
Built for sustained use in demanding site conditions. - Finger configuration options
Available with smooth fingers for general handling or grip strips for enhanced holding force, depending on application requirements.
Machine Compatibility
- Excavator class: 7–8.5 tonne
- Compatibility: All makes and models within this operating range
- Actuation: Mechanical (non-hydraulic)
Machine make, model, and pin specifications must be provided in the order notes at checkout or emailed after purchase to ensure correct fitment.
This supports mixed fleets and standardised procurement across multiple machine brands.
Technical Specifications – 7–8.5T Model
| Parameter | Specification |
|---|---|
| Pin Diameter | 50 / 55 mm |
| Jaw Configuration | 2 / 3 |
| Fixed Jaw Width | 650 mm |
| Moving Jaw Width | 400 mm |
| Maximum Jaw Opening | 1498 mm |
| Operating Weight | 380 kg |
Supply Scope
- Mechanical grab assembly
- Stiff arm
- Mounting bracket
Supplied as a complete mechanical system ready for installation.
Quality, Warranty & Support
- 12-month manufacturer’s warranty
- Ongoing after-sales technical support
- Local parts availability and technical assistance
Designed for long-term deployment in commercial, fleet, and government environments.
Ordering & Delivery
🛒 Order online via website checkout
📝 Provide machine make, model, and pin specifications in order notes or after purchase
📞 Technical assistance available on 03 9398 0493
📧 sales@hardwoodforestproducts.com.au




