Size matters, details make the difference: meet the 8–10 Ton range.

The Eurocomach 100STR represents a key strategic evolution in the 10-tonne mini-excavator segment for the CNH / Sampierana group. Concealed beneath a compact and aggressive design, the 100STR was born to fill a high-demand market niche by combining two of the most sought-after qualities among European customers into a single machine: the extraordinary lifting stability of the 85 SB model and the geometric versatility of the 100 TR’s triple-articulated boom.

Designed, engineered, and launched in just 8 to 9 months, the 100STR is the CNH/Sampierana R&D department’s direct response to active feedback from the Northern European market and Tilt-Rotator attachment specialists.

Sommario

The Genesis: From Customer Feedback to Engineering Synthesis

The inception of the 100STR was not the result of a theoretical, desk-bound assumption, but rather the convergence of two precise, parallel streams of feedback collected in the field by the commercial and technical teams:

Feedback from 85 SB operators: Customers who chose the 85 SB immensely valued its unmatched lifting capacity and structural stability, but requested greater flexibility in urban environments, hoping for the adoption of a modular triple-articulated boom.
Feedback from 100 TR operators: Customers operating the 100 TR (equipped with a triple boom and swing joint) noted that in certain heavy-duty applications or with heavy attachments, sacrificing the swing mechanism in favor of a fixed boom base would significantly increase torsional rigidity and cantilever lifting capacity.

By synthesizing these two core requirements, the R&D department engineered an integrated architecture machine: a triple-articulated boom configured on a fixed base (no swing joint), capable of transferring all operational forces directly into the chassis.

5 Key Strengths of the Eurocomach 100STR

1. Extreme Compactness (Short Radius)

Despite delivering the working capacity of a higher-class machine, the 100STR maintains a minimal rear tail swing. This feature allows the operator to rotate the upper structure in complete safety within narrow road lanes or close to walls and buildings.

2. Triple-Boom with Fixed Base

The elimination of the boom swing joint and the fixed mounting of the triple-articulated boom directly onto the chassis ensure exceptional mechanical rigidity. Operators benefit from the flexibility of the 3-piece boom to reach over obstacles and dig close to the tracks, while eliminating the mechanical play typical of high-wear swing pins

3. Unmatched Lifting Capacity and Stability

Thanks to an optimized center of gravity and direct load transfer to the chassis, the 100STR delivers best-in-class load charts and lifting capacity—ideal for handling pipe layers, concrete manholes, or road barriers.

4. Panoramic Visibility for the Operator

The cabin layout and repositioned boom geometry ensure an unobstructed line of sight toward both the digging area and the side and rear blind spots, significantly enhancing safety on crowded job sites.

5. Natively Tilt-Rotator Ready Synergy

In Northern European markets (e.g., Sweden, Norway, Germany), the use of tilt-rotators has become an indispensable standard. In collaboration with strategic partners such as Rietmann, the 100STR has been designed—both hydraulically and mechanically—to seamlessly support the weight and flow demands of multi-function rotating heads without compromising the machine's overall balance.

Development and Timeline: From Concept to Production Model

Phase	Timeline	Milestone
Planning / Briefing	Summer 2025	Definition of the hybridization between 85 SB and 100 TR based on market feedback.
Engineering	Autumn 2025	R&D structural design, calculations, and hydraulic setup for Special Applications.
Prototyping & Testing	Winter 2025/2026	Assembly and field testing with special setups (e.g., tests with partner Rietmann).
Initial Production & Deliveries	Spring 2026	Dispatch of the first official Eurocomach units.

A rapid development cycle (8–9 months) that demonstrates the agility of the San Piero in Bagno production plant in translating market demands into finished industrial products.

Market Positioning and Versatility

The Eurocomach 100STR plays a strategic role within the portfolio: it naturally completes the range in the 8–10 ton segment, positioning itself as the high-performance machine for users seeking maximum force and flexibility without having to step up to the 12-ton category.

Key Specification Summary

Weight Class: ~10 Tonnes
Boom Configuration: Triple-Articulated Boom on Fixed Base (No Swing Cylinder)
Tail Swing Profile: Short Radius (Compact Radius)
On-Board Technology: Setup for Travel Mode systems, next-generation electronic joysticks, and a tilting cab for simplified maintenance access.
Main Targets: Urban construction, pipe-laying works, complex road maintenance, and heavy-duty applications with Tilt-Rotator.

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Eurocomach 100STR: The Complete Guide to the New 10-Ton Model