NEW 66 SD ROCK GRAPPLE ATTACHMENT. Universal Quick Attach – Fits Most Makes & Models. You are looking at a New Standard-Duty(SD) 66 Skeleton Rock Grapple attachment for skid steer / track loaders and compact tractors. Constructed from 3/8 thick Grade 50 steel throughout, this rock grapple features. Two(2) independent dual grapple assemblies. Powered by two(2) American made 3,000 psi… Read more →