Greenback Spider

GB250G, GB250S, GB300G, GB300S, GB400G, GB400S

New to the Williams Spider range

Increase your pasture production by capitalizing on your farms available resources with the new Williams Greenback Spider Travelling Irrigator. A new simple speed change procedure with a choice of five travel speeds allows greater control of effluent application depths (minimum of 5mm) thus allowing greater control of soil absorption rates optimizing the benefits of the natural fertilizer.


  • Application depth 5mm through 13mm nozzles @360 litres per minute @ 40 psi
  • 5 travel speeds
  • Differently angled arms allow for a more even spread pattern of between 30 to 50 metres depending on pump pressure
  • Distribution uniformity of less than 1.25
  • Maximum Volume 90 cubic metres per hour
  • Suitable for electric and PTO pumps
  • Drags 90 alkathene
  • Travel Distance up to 400 metres
  • Available with multi strand galvanized or stainless steel winch rope 250m, 300m or 400m of 5mm wire rope. A wire layer is required for the 400m option

For full specifications download/view our brochure below

Greenback Spider