1.
| Compatible excavators | 6–30 tonnes |
| Weight | 90–500 kg (depending on model) |
| Materials | Q345B, NM360, Hardox 500 |
| Rotation | 360° unlimited |
| Thumb actuation | High-power hydraulic cylinder with end-of-stroke cushioning |
| Pivot | On the same axis as the excavator's original buckets |
| Storage pin | Integrated: locks thumb in retracted position |
| Design | Modular: independent replacement of worn components |
| Estimated service life | ~2.000 hours of use |
| Colour | Standard yellow (customisable on request) |
| Certifications | ISO9001, CE |
| Package included | Assembled thumb + mounting kit + storage pin + user guide + warranty certificate |
The Monde excavator thumb bucket is the attachment that turns a standard digging bucket into a system for gripping and handling materials of irregular size and shape (logs, boulders, demolished structures, construction debris, large stones) without frequent attachment changes or manual sorting operations.
The hydraulic thumb operates in sync with the bucket, creating a clamp effect controlled from the operator's cab, with free 360° rotation and a firm grip across the full range of motion of the excavator boom.
The Monde excavator thumb bucket is available for excavators from 6 to 30 tonnes, with weights between 90 and 500 kg depending on the model size, and is built from Q345B, NM360 and Hardox 500, wear steels certified to ISO9001 and CE. The estimated service life is approximately 2,000 hours of use under normal working conditions. Key advantages of the Monde excavator thumb bucket
• Unlimited 360° rotation: the Monde excavator thumb bucket allows handling materials from any angle, with no restrictions on boom or bucket position. The operator can rotate, turn and position the gripped objects directly from the cab, eliminating the need to reposition the excavator to access a different working angle.
• High-power hydraulic cylinder with end-of-stroke cushioning: the Monde excavator thumb bucket has a hydraulic cylinder that provides constant clamping force across the entire stroke of the thumb. The end-of-stroke cushioning prevents impact shocks when reaching the fully open or fully closed position, extending the cylinder's service life and reducing the vibrations transmitted to the excavator boom.
• Direct pivot on the same axis as the original buckets: unlike thumb systems that mount on the excavator boom with a separate pin, the Monde excavator thumb bucket pivots on the same axis as the original bucket. This pivot geometry reduces the risk of slipping or accidental release of the gripped material and ensures precise synchronisation between the movement of the bucket and that of the thumb.
• Q345B, NM360, Hardox 500. The Monde excavator thumb bucket uses a combination of steels matched to the specific demands of each component: Q345B for the load-bearing structure, NM360 for the zones with moderate wear and Hardox 500 (470–530 HB) for the surfaces exposed to direct contact with abrasive materials. This combination optimises the strength-to-weight ratio compared with constructions using a single type of steel.
“This combination optimises the strength-to-weight ratio compared with constructions using a single type of steel.”
• Integrated storage pin: when the hydraulic thumb is not in use (pure digging operations, work in tight spaces), the Monde excavator thumb bucket includes an integrated storage pin that locks the thumb in the retracted position, eliminating interference with excavation operations and saving time compared with systems that require removal of the thumb.
• Modular design: the worn components of the Monde excavator thumb bucket can be replaced independently, without complete disassembly of the attachment. This modularity significantly reduces maintenance costs over the ~2,000 hour estimated service life compared with monobloc systems that require replacing the entire unit when a single component wears out.
• Compatible with PC30–PC200, E70B–E330, EX30–EX600, R55–R200 and other models: the Monde excavator thumb bucket covers the full range of 6–30 tonne excavators from Komatsu, CAT, Hitachi, Hyundai, Doosan, Volvo, Liebherr, Sumitomo and other major brands. UZINEX engineers verify exact compatibility with your excavator model at the quotation stage.
• ISO9001 and CE certification, 60-month UZINEX warranty: complete documentation for public tenders and projects with European funds, with spare parts in stock in Iași and guaranteed 24–48 hour national technical support.
Technical specifications: Monde excavator thumb bucket
| Parameter | Value |
|---|---|
| Compatible excavators | 6–30 tonnes |
| Weight | 90–500 kg (depending on model) |
| Materials | Q345B, NM360, Hardox 500 |
| Rotation | 360° unlimited |
| Thumb actuation | High-power hydraulic cylinder with end-of-stroke cushioning |
| Pivot | On the same axis as the excavator's original buckets |
| Storage pin | Integrated: locks thumb in retracted position |
| Design | Modular: independent replacement of worn components |
| Estimated service life | ~2.000 hours of use |
| Colour | Standard yellow (customisable on request) |
| Certifications | ISO9001, CE |
| Package included | Assembled thumb + mounting kit + storage pin + user guide + warranty certificate |
Exact compatibility with your excavator model and the optimal sizing configuration are confirmed by UZINEX engineers at the quotation stage. Free technical consultancy available . Excavator models compatible with the Monde excavator thumb bucket
Application dedicated to flows with constant quality requirements.
Equipment configured for medium and large volumes.
Quick adjustment between different orders.
The Monde excavator thumb bucket is available for a wide range of models across all 6–30 tonne classes. Komatsu: PC30, PC60, PC120, PC200. CAT: E70B, E110B, E215, E235, E307–E330. Hitachi: EX30–EX600. Hyundai: R55–R200. Daewoo/Doosan: DH55–DH280. Kobelco: SK40–SK300. Sumitomo: SH70–SH340.
If your excavator model does not appear in the list above, UZINEX engineers verify the compatibility and availability of the excavator thumb bucket for the technical specifications of your machine: the pin geometry and the boom dimensions are the determining parameters for the fit. Recommended applications for the excavator thumb bucket
Clearing and brush-clearing land for construction and infrastructure projects is the most frequent application of the excavator thumb bucket. Logs, stumps, stone blocks and large vegetal debris cannot be handled efficiently with a standard bucket: they fall during unloading or require several passes to be moved. The excavator thumb bucket allows these materials to be gripped, lifted and stored in a single controlled movement from the cab.
Selective demolition of concrete and masonry structures is another major application. The excavator thumb bucket allows the operator to grip and extract structural elements (beams, columns, concrete panels) without accidentally fragmenting them, which is essential on sites where the demolition materials are recovered and reused or where there are risks of structural instability during brutal demolition.
Sorting and separating recyclable materials from construction waste (separating concrete from metal, wood from inert material) is done efficiently with the excavator thumb bucket, reducing the need for manual labour for primary sorting and accelerating the flow of material to the processing stations.
Excavating and laying pipes or cables in ground with buried obstacles (stones, roots, abandoned foundations) benefits from the excavator thumb bucket for extracting and moving the obstacles without deepening the trench or widening the digging zone beyond what the project requires. Excavator thumb bucket vs. other handling attachments
Compared with a standard hydraulic grapple, the excavator thumb bucket retains the full functionality of the bucket: the operator can excavate, load and unload bulk material with the same coupling, without changing the attachment. A pure grapple cannot excavate, requiring an attachment change between gripping and excavating operations.
Compared with working with a standard bucket without a thumb, the productivity gain of the excavator thumb bucket on sites with mixed and irregular materials is significant: eliminating the manual handling to correct the material's position and the additional bucket passes to move large objects reduces the cycle per object by 40–60% in typical land-clearing and selective-demolition applications.
Combined with a Monde DEHN quick coupler, the excavator thumb bucket can be mounted and removed from the cab in less than a minute, allowing a rapid switch between the thumb bucket and the excavator skeleton bucket or the standard bucket depending on the material encountered on each work front. Frequently asked questions about the excavator thumb bucket
Does the excavator thumb bucket require an additional hydraulic circuit on the excavator?
Yes. Actuating the hydraulic thumb cylinder requires an auxiliary oil circuit on your excavator. Most modern 6–30 tonne excavators have an auxiliary circuit available, but UZINEX checks the availability and parameters of the circuit (flow and pressure) for your specific model at the quotation stage, to confirm hydraulic compatibility before delivery. Is the excavator thumb bucket installed on site?
Yes. The package includes the complete mounting kit (nuts, bolts and storage pin) and UZINEX includes commissioning and operator training in the delivery price. The UZINEX technician comes to your location and checks the mounting, the hydraulic adjustments and the correct operation of the excavator thumb bucket before handover. Is the Monde excavator thumb bucket eligible for public tenders?
Yes. The ISO9001 and CE certifications of the Monde excavator thumb bucket are the quality documents required in the technical specifications of public procurements. UZINEX provides the complete technical documentation and the warranty certificate at delivery. The product can be added to SEAP/SICAP directly from the product page. What is the replacement interval for worn components?
The estimated service life of the Monde excavator thumb bucket is approximately 2,000 hours under normal use. The fastest-wearing components (the contact surfaces of the thumb and the hydraulic cylinder) can be replaced independently thanks to the modular design, without complete disassembly of the attachment. UZINEX keeps spare parts in stock in Iași for immediate delivery. Why UZINEX for the excavator thumb bucket
The excavator thumb bucket is an investment that directly influences daily productivity on sites with mixed and irregular materials. Exact hydraulic compatibility with your excavator and the availability of spare parts are the factors that determine the effective payback of the investment.
• Hydraulic compatibility check included: UZINEX engineers confirm the flow and pressure parameters required for the excavator thumb bucket on your specific excavator model before delivery.
• 60-month warranty: extended coverage for the Monde excavator thumb bucket under intensive site use.
• Installation and training included: the UZINEX technician comes to your location for the commissioning and hydraulic adjustments of the excavator thumb bucket.
• Spare parts in permanent stock in Iași: modular components immediately available, with no unplanned equipment stoppages.
• ISO9001 and CE certification: complete documentation for SEAP/SICAP tenders and projects with European funds.
• National technical support 24–48 hours: a network of technicians with national coverage and a guaranteed response time.
• Eligible for European financing: UZINEX is a member of the Enterprise Europe Network and delivers equipment for projects with structural funds and the NRRP.
The Monde excavator thumb bucket available through UZINEX: unlimited 360° rotation, hydraulic cylinder with cushioning, pivot on the original axis, Q345B/NM360/Hardox 500, 90–500 kg, compatible with 6–30 tonnes, ISO9001+CE, ~2,000 hours of service life, 60-month warranty, transport and installation included throughout Romania.
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