Key Specifications Horizontal Outreach: 7.47 m / 25 ft Platform Capacity – Unrestricted: 230 kg / 507 lb Platform Height: 13.72 m / 45 ft Performance Data Axle Oscillation 0.2 m / 8 in. Drive Speed – 2WD 5.60 km/h / 3.48 mph Drive Speed – 4WD 7.20 km/h / 4.47 mph Gradeability – 2WD … Continue reading 15.7m JLG 450AJ Knuckle Boom.