The R18 Mechanical Thumb is a heavy-duty excavator attachment designed for grabbing, holding, and positioning irregular materials with precision. Built for R18 series excavators and compatible compact machines, it improves efficiency for demolition, landscaping, forestry, and material-handling applications.
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The R18 Mechanical Thumb is engineered to enhance the versatility of your R18 excavator by providing a secure gripping solution for rocks, logs, brush, and demolition debris. Designed to work alongside a bucket, this attachment allows operators to clamp and stabilize uneven materials, improving control and reducing manual handling during demanding jobs.
Constructed with durable steel components and a reinforced mechanical design, the thumb attachment delivers reliable performance without requiring hydraulic connections. Its simple, robust structure makes it a practical solution for contractors, landscapers, and property maintenance professionals who want dependable grabbing capability with minimal maintenance requirements.
RIPPA equipment emphasizes strong performance-to-price value supported by global spare-parts availability, established manufacturing experience, and multiple quality certifications including CE, SGS, TUV, and ISO standards — helping ensure dependable operation and long-term reliability for equipment owners.
Operating Weight: 4,008 lbs (1,818 kg)
Engine: Kubota D902. 15.8 hp
Max Dig Depth: 95.3 inches (2,420 mm)
Max Reach: 156.5 inches (3.975 mm)
Bucket Capacity: 0.03 m² standard
Track Width: Adjustable 41-53 inches