SECTION 1 - SPECIFICATIONS
3121642 – JLG Lift – 1-3
1.8 SENSORS
The machine is equipped with the following limit switches:
Elevation Switch/Rotary Position Sensor - High drive speed
is cut out when platform is raised above the preset heights
listed in Table 1-8, High Drive Cut-Out Height.
Tilt Alarm - An alarm sounds and a warning light is illumi-
nated when the machine is operated on a slope that exceeds
the values in Table 1-9, Tilt Sensor Indicators. The lift and drive
functions will cut out at these set heights.
NOTE: Alarm only sounds when above elevation.
If the machine is operated beyond the specified slope, with
the platform completely lowered, only the warning light is
illuminated.
1.9 CYLINDER SPECIFICATIONS
1.10 MAJOR COMPONENT WEIGHTS
1.11 CRITICAL STABILITY WEIGHTS
DO NOT REPLACE ITEMS CRITICAL TO STABILITY WITH ITEMS OF DIFFERENT
WEIGHT OR SPECIFICATION (FOR EXAMPLE: FILLED TIRES, ENGINE) DO NOT
MODIFY UNIT IN ANY WAY TO AFFECT STABILITY.
Table 1-8. High Drive Cut-Out Height
Model Height
3394RT 6-9 ft (1.9 - 2.7 m)
4394RT 7-10 ft (2.1 - 3 m)
Table 1-9. Tilt Sensor Indicators
Model Front To Back Side To Side
3394RT
(ANSI, ANSI Export, Aus)
5° to full height
5° to 26 ft (8 m)
4° to 30 ft (9 m)
3° to 33 ft (10 m)
4394RT
(ANSI, ANSI Export, Aus)
5° to full height
5° to 26 ft (8 m)
4° to 30 ft (9 m)
3° to 43 ft (13 m)
3394RT/4394RT
(CSA)
3° t o fu ll heigh t 3° to fu ll h eight
3394RT/4394RT
(CE)
5° t o fu ll heigh t 3° to fu ll h eight
Table 1-10. Cylinder Specifications
Description Bore Stroke Rod Dia
Lift Cylinder
4.5 in
(114 mm)
83 in
(2.1 mm)
3.5 in
(89 mm)
Leveling Jack
Cylinder
2.5 in
(63.5 mm)
27 in
(686 mm)
2 in
(51 mm)
Lockout Cylinder
(Oscillating Axle)
2.5 in
(6.4 cm)
4.13 in
(10.5 cm)
1.75 in
(4.4 cm)
Power Deck
Cylinders
15 in
(38.1 mm)
48 in
(1219.2 mm)
1 in
(25.4 mm)
Steer Cylinder
2.5 in
(63.5 mm)
9.2 in
(233.7 mm)
1.75 in
(44.5 mm)
Table 1-11. Major Component Weights
Component Weight
Fixed Platform 1070 lbs (485 kg)
Platform Extension 440 lbs (200 kg)
Arm Assembly- (Includes Lift Cylinder):
3394RT
4394RT
3600 lbs (1633 kg)
4550 lbs (2064 kg)
Chassis with Pneumatic Tires:
3394RT
4394RT
6790 lbs (3080 kg)
9080 lbs (4119 kg)
Chassis with Foam Filled Tires:
3394RT
4394RT
7788 lbs (3533 kg)
9086 lbs (4121 kg)
Table 1-12. Critical Stability Weights
Component Weight
Tires
IN315/55D20 Pneumatic
IN315/55D20 Foam Filled
12 x 16.5 Pneumatic
12 x16.5 Foam Filled
33/1550-16.5 Pneumatic
33/1550-16.5 Foam Filled
33/16LL x 16.1 Foam Filled - Sand
31 x 15.50-15 Grass Master
156 lbs (71 kg)
156 lbs (71 kg)
128 lbs (58 kg)
328 lbs (149 kg)
135 lbs (61 kg)
395 lbs (179 kg)
426 lbs (193 kg)
125 lbs (57 kg)
Engine (Deutz) 441 lbs (200 kg)
Engine (GM) 341 lbs (155 kg)
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