High Density Sponge Drills

The Stanhay HDX is a modular high-density sponge drill that harnesses a sponge metering system for precise, high-rate sowing of small-seeded salad and vegetable crops—whether in open fields or greenhouse environments.

Why Choose the HDX Sponge Drill?

  • Reliable Sponge Metering Technology - Featuring interchangeable sponges, the HDX metering unit delivers accurate seed flow rates—handling anything from fine seeds like wild rocket to coarser types such as spinach and chard.
  • Modular & Flexible Design - With multiple outlets per meter, controlled via electric drive the unit maintains consistent seed rates regardless of forward speed, and with quick-switching between seed types, the HDX supports rapid crop changeovers and varied field layouts.
  • Precise Depth and Seed Covering - Each row unit provides 90 mm of coulter depth adjustment, optional tined or roller coverers, for uniform soil coverage and optimal seed emergence.
  • Contour-Friendly Chassis Options - Built on Stanhay’s X-Series chassis, the HDX offers rigid or folding frames up to 9 m wide, with floating toolbars that follow ground contours and make road transport simple.
  • Multi-Environment Suitability - Designed for high-density planting in salad beds, the HDX excels across both greenhouse and field environments—perfect for market garden, speciality, or high-yield salad production.

Ideal Crops & Applications

With meticulous seed delivery and high-rate flow, the HDX caters to a wide range of high-density salad crops, including:

  • Lettuce, wild rocket, spinach, red chard, basil, coriander, dill, and parsley.

Whether planting dense vegetable beds or specialty greens, the HDX supports a range of seed rates making it a go-to tool for professional salad growers.

Support & Services

  • Setup & Training Support: - Includes operator manuals and expert guidance to ensure accurate calibration and smooth operation.
  • OEM Parts & Maintenance: - Genuine Stanhay parts are stocked for reliable service throughout the season.
  • Tailored Configuration Advice: - Our technical team helps you design your drill setup—choosing sponge types, row numbers, and toolbars to suit your crop and soil.

Frequently Asked Questions

  • What makes a sponge drill different?

    It uses a sponge metering mechanism, not vacuum or belts—suitable for high seed rates while minimising damage, especially for delicate salad seeds.

  • Can the HDX handle multiple seed types?

    Yes— quick to change sponges allow fast switching between seeds like rocket, spinach, basil, and parsley

  • How is seed rate controlled?

    Electric motor drive ensures all meters maintain steady rates even as ground speed fluctuates, supporting high-density applications.

  • What frame options exist?

    Rigid frames to 9 m and folding toolbar versions are available, both offering automatic transport locking—ideal for varied field conditions. Optional rear rollers and access platform can also be specified.

  • Where is the HDX most effective?

    Perfect for greenhouse salad cropping and open-field high-density vegetable production—designed to ensure uniform emergence and simplified harvesting.