─     1: Jib arm

─     2: Trolley power supply

─     3: Hoist trolley

─     4: Mobile control (optional)

─     5: Trolley (wire rope hoist or chain hoist)

─     6: Load hook

─     7: Pendant control

─     8: Pillar

─     9: Pillar base

─     10: Slewing gear unit

─     11: Jib bracket