Specifications include, but are not limited to: • 17 ft 4 in (5.45 m) working height • 11 ft 4 in (3.45 m) platform height • Up to 500 lbs (227 kg) lift capacity GR-15 • 20 ft 8 in (6.52 m) working height • 14 ft 8 in (4.52 m) platform height • Up to 500 lbs (227 kg) lift capacity GR-20 • 25 ft 9 in (8.02 m) working height • 19 ft 9 in (6.02 m) platform height • Up to 350 lbs (159 kg) lift capacity Productivity • Work station tray (GR™-12, GR™-15 only) • Standard platform with sliding midrail • Auxiliary platform lowering • Patented rigid mast system • Compact base 29.5 x 53 in (.75 m x 1.35 m) (GR™-12, GR™-15 only) • Ground clearance 2.5 inches (stowed) • SmartLink™ control system • Battery charge indicator • On-board diagnostic system • AC power to platform • Descent and tilt alarm • Zero inside turning radius • Dual wheel brakes • Hydraulic brake release • Pothole protection