Product Manual
Operator's Manual Fifth Edition • Third Printing
Specifications
50 GR-12 • GR-15 • GR-20 Part No. 133571
Model GR-20
Height, working
maximum
25 ft 9 in 7.9 m
Height, platform
maximum
19 ft 9 in 6.1 m
Height, stowed
maximum
78 in 1.98 cm
Width 31.5 in 80 cm
Length, stowed 53 in 1.35 cm
Length, platform
extended
(option)
73.3 in 1.86 m
Platform dimensions, all models (length x width)
Standard platform
35 x 29.5 in 89.9 x 74.9 cm
Standard platform with
extension extended
55 x 29.5 in 139.7 x 74.9 cm
Standard AWP platform
27 x 26 in 69 x 51 cm
Narrow AWP platform
26 x 20 in 66 x 51 cm
Maximum capacity,
standard platform
350 lbs 159 kg
Maximum capacity,
AWP platform
350 lbs 159 kg
Maximum wind speed 28 mph 12.5 m/s
Turning radius (inside) 0 in 0 cm
Turning radius (outside) 53 in 134.6 cm
Ground clearance 2.5 in 6.5 cm
Weight 2451 lbs 1112 kg
(Machine weights vary with option configurations. See
serial label for specific machine weight.)
Power source 4 Batteries, 6V 225AH
AC outlet in platform Standard
Maximum hydraulic
pressure (functions)
3000 psi 207 bar
Tire size
10 x 3 x 1 in
25.4 x 7.6 x 2.5 cm
Airborne noise emissions
Sound pressure level at ground workstation <70 dBA
Sound pressure level at platform workstation <70 dBA
Vibration value does not exceed 2.5 m/s
2
Maximum slope rating, stowed position
30% (17°)
Maximum side slope rating, stowed
position
30% (17°)
Note: Slope rating is subject to ground conditions and
adequate traction.
Drive speeds
Stowed, maximum
2.5 mph
40 ft/10.9 sec
4.0 km/h
12.2 m/10.9 sec
Platform raised,
maximum
0.5 mph
40 ft/55 sec
0.8 km/h
12.2 m/55 sec
Floor loading information
Tire load maximum 870 lbs 395 kg
Tire contact pressure 133.85 psi
9.41 kg / cm
2
922.84 kPa
Occupied floor pressure 241.9 psf
1180 kg / m
2
11.57 kPa
Note: Floor loading information is approximate and
does not incorporate different option configurations. It
should be used only with adequate safety factors.
Continuous improvement of our products is a Genie
policy. Product specifications are subject to change
without notice or obligation.
GR-12 • GR-15 • GR-20 Part No. 133571 Operator's M anual Fifth Edition • Third Printing