JLG G12-55A Service Manual - Manual (Page 26)

General Information and Specifications
2-14 G10-55A, G12-55A
2.4 SPECIFICATIONS
2.4.1 Travel Speeds
2.4.2 Hydraulic Cylinder Performance
Note: Machine with no attachment or load, engine at full throttle, hydraulic oil above 130° F (54° C) minimum, engine
at operating temperature.
2.4.3 Cylinder Drift
FUNCTION G10-55A and G12-55A
First Gear 3.4 mph (5,47 km/h)
Second Gear 6.2 mph (9,97 km/h)
Third Gear 14.0 mph (22,5km/h)
Fourth Gear 20.0 mph (32,1 km/h)
FUNCTION APPROXIMATE TIMES
(seconds)
Boom Extend (Boom Level) 16.3–18.0
Boom Retract (Boom Level) 12.2–14.5
Boom Lift 15.2–16.8
Boom Lower 14.1–15.5
Attachment Tilt Forward 5.8–6.5
Attachment Tilt Rearward 5.0–6.0
Frame Level—Full Right to Left 9.4–10.4
Frame Level—Full Left to Right 10.2–11.3
Outrigger—Down 16.3–18.0
Outrigger—Up 12.2–14.5
CYLINDER
MAXIMUM ROD TRAVEL
(loaded or unloaded)
Lift/Lower Cylinder 0.125 in (3.2 mm) per hour
Extend/Retract Cylinder 0.125 in (3.2 mm) per hour
Attachment Tilt Cylinder 0.125 in (3.2 mm) per hour