43-90RT 

 GS-4390 has 49 ft (14.9 m) working height

• 1,500 lb (680 kg) load capacity
• Positive traction-controlled four-wheel drive
• 50% gradeability
• Proportional drive
• Two-speed lift functions
• Troubleshooting diagnostics
• Two self-closing entry gates
• Foam-filled tires
• AC wiring to platform
• Descent alarm
• Tilt sensor with an audible alarm
• Horn
• Hour meter