TADANO GR-500N-1 Brand Tadano Model & Type GR-500N-1Rough Terrain Crane Tonnage 51TON Specifications Lifting Capacity: 51t x 3.0mBoom Length: 9.7m – 41.2mJib Length: 8m – 12.7mStandard Hook: 51t, 25t*Special Features:(1) 6-section Boom(2) 2-stage Full Auto Jib(3) H-type Outriggers.