Fourth Edition • Fourth Printing Operator's Manual
Specifications
GS-4390
Height, working maximum 49 ft 15.1 m
Height, platform maximum 43 ft 13.1 m
Height, stowed maximum, rails up 115.5 in 2.9 m
Height, stowed maximum, 90.5 in 230 cm
rails lowered
Width, 315/55D20 tires 92 in 234 cm
Width, 12-33 tires 90 in 229 cm
Width, high flotation tires 101 in 2.6 m
Length, platform retracted 155.25 in 3.9 m
Models with one extension deck
Length, platform extended 212.5 in 5.4 m
Models with one extension deck
Length, platform retracted 156.5 in 3.9 m
Models with two extension decks
Length, platform extended 258.5 in 6.6 m
Models with two extension decks
Length, platform retracted 192 in 4.9 m
Models with outriggers
Models with two super decks
Length, platform extended 290.5 in 7.4 m
Models with two super decks
Maximum load capacity 1500 lbs 680 kg
Maximum wind speed 28 mph 12.5 m/s
Wheelbase 115 in 2.9 m
Turning radius (outside) 210 in 5.3 m
Turning radius (inside) 85 in 2.2 m
Ground clearance 14 in 36 cm
Weight
(Machine weights vary with option configurations.
See serial label for specific machine weight.)
Platform dimensions
Platform length x width 150 in x 72 in 3.8 x 1.8 cm
Platform extension length 60 in 1.5 m
Drive speeds
Stowed, maximum 4 mph 6.4 km/h
Platform raised, 0.7 mph 1.1 km/h
maximum 40 ft / 39 sec 12.2 m / 39 sec
Controls Proportional
AC outlet in platform Standard
Maximum hydraulic 3500 psi 241.3 bar
pressure (functions)
Tire size 10-16.5 NHS
Tire size, high flotation 33/16LL500, 10 ply
Maximum side slope rating, stowed 50% (26°)
position
Maximum slope rating, stowed 50% (26°)
position
Note: Slope rating is subject to ground conditions and
adequate traction.
Floor loading information
Tire load maximum 4722 lbs 2142 kg
Outrigger load, maximum 4722 lbs 2142 kg
(If equipped)
Tire contact pressure 115 psi 8.09 kg/cm
2
794 kPa
Occupied floor pressure 167 psf 815 kg/cm
2
8.99 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.
Part No. 133564 GS-3384 • GS-3390• GS-4390• GS-5390 53