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    Yanmar SV10 mini excavator: variable‑width design insights for site engineers

    April 14, 2026|

    Reviewed by Tom Sullivan

    Yanmar SV10 mini excavator: variable‑width design insights for site engineers

    First reported on The Construction Index

    30 Second Briefing

    Yanmar has launched the SV10 mini excavator in the sub‑2t class, with a variable-width undercarriage adjustable from 740mm to 990mm, allowing passage through standard doorways while providing increased stability on wider track. Powered by a 9.2kW Yanmar 3TNV70 engine, the 1,055kg machine delivers digging forces of 5.2kN on the arm and 7.6kN on the bucket, with a maximum digging depth of 1,800mm and a 540mm rear swing radius for tight urban sites. Targeting the 39% share held by sub‑2t machines in the construction machinery market, the SV10 will be exhibited at Smopyc in Zaragoza and Samoter in Verona.

    Technical Brief

    • Operating weight is 1,055kg, with a higher quoted transport weight of 1,180kg for haulage planning.
    • Rear swing radius of 540mm reduces tail-swing conflict risk against shoring, services and existing structures.
    • Yanmar 3TNV70 engine is specified at 9.2kW net, relevant for emissions and noise compliance checks.
    • Sub‑2t excavators are reported to account for 39% of the construction machinery sector by volume.
    • Machine will be presented at Smopyc (Zaragoza) and Samoter (Verona), enabling direct contractor evaluation against existing fleets.

    Our Take

    With sub‑2t machines accounting for 39% of the construction machinery sector by share, this Yanmar launch positions the brand squarely in the highest‑volume class where dealer coverage and rental fleet penetration in the UK will matter more than premium spec alone.

    The very narrow 740–990 mm configurable width and 540 mm rear swing radius signal a push into confined urban and indoor works, complementing the tracked carriers recently deployed by Gow Plant Hire for soft‑ground access rather than competing with them.

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    Prepared by collating external sources, AI-assisted tools, and Geomechanics.io’s proprietary mining database, then reviewed for technical accuracy & edited by our geotechnical team.

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