National Model 571E
2007 Sterling L7501

National Model 571E

2007 sterling  L7501

18 Ton Capacity
121’ Total Vertical Boom Height
Rear Boom Rest
71’ Telescoping Boom w/41’ Side Folding Jib
Anti-Two Block & Hydraulic Capacity Alert
Dual Side Controls w/Operator’s Platform
20’ Torsion Resistant Sub-base
“A” Type Front Outriggers w/22” Span
Rear “A” Frame Stabilizers w/10’ Span
High Performance Planetary Winch w/235’ of
    9/16” Rotation Resistant Wire Rope & Burst
    of Speed
Single Part Line Block
Down Haul Weight & Non-Swivel Hook
375 Degree Rotation
Direct Mount Triple Pump & Cable Shift PTO
75 Gallon Hydraulic Tank
20’ Steel Flatbed
Rear ICC Bumper & ALL FMVSS 108 Lights