The JLG 660SJ is a diesel-powered telescopic boom lift in the JLG aerial lifts lineup, designed for elevated access on construction, maintenance, and industrial job sites. It offers a maximum working height of 66 ft 11 in and a horizontal outreach of 57 ft 1 in, with a platform capacity typically rated for two occupants and tools. The 660SJ features four-wheel drive, rough-terrain capability, and proportional controls for positioning at height. Common applications include steel erection, exterior building work, facility maintenance, and utility access. It is part of JLG's self-propelled boom lift range.
Dimensions
JLG 660SJ Aerial Lift Dimensions specifications
Ground Clearance
11.00 in (27.94 cm)
Height
8.42 ft (2.57 m)
Length
35.67 ft (10.87 m)
Overall Height
8.20 ft (2.50 m)
Overall Height - Mast Lowered
8.44 ft (2.57 m)
Overall Length
425.00 in (1,079.50 cm)
Overall Width
8.20 ft (2.50 m)
Platform Dimension A
2.99 ft (0.91 m)
Platform Dimension B
8.01 ft (2.44 m)
Tailswing Radius
4.00 ft (1.22 m)
Turning Radius
9.60 ft (2.93 m)
Weight
29,281.00 lbs (13,281.65 kg)
Wheelbase
8.08 ft (2.46 m)
Width
8.17 ft (2.49 m)
Engine
JLG 660SJ Aerial Lift Engine specifications
Diesel Engine Power
67.00 hp (49.96 kw)
Diesel Engine Type
Deutz TD2.9L4 Tier 4 Final
Dual Fuel Engine Power
84.00 hp (62.64 kw)
Dual Fuel Engine Type
Ford MSG425-DF
Engine Make
2349
Engine Model
F4M2011
Fuel Tank
31.00 gal (117.34 l)
Fuel Type
Diesel
Gross Power
64.40 hp (48.02 kw)
Maximum Ground Bearing Pressure
85 psi
System Voltage
12 V
Operational
JLG 660SJ Aerial Lift Operational specifications
Fuel Capacity
39.90 gal (151.02 l)
Hydraulic System Fluid Capacity
34.00 gal (128.69 l)
Max Speed
4.30 mph (6.92 kph)
Operating Weight
25,341.00 lbs (11,494.50 kg)
Tire Fill/Type
Lug Tread
Tire Size
41/181.11 X 22.5
Performance
JLG 660SJ Aerial Lift Performance specifications
Axle Oscillation
0.70 ft (0.21 m)
Drive Speed
3.80 mph (6.12 kph)
Gradeability
45 %
Swing
360 degrees
Platform
JLG 660SJ Aerial Lift Platform specifications
Max Horizontal Reach
57.10 ft (17.40 m)
Max Platform Height
66.67 ft (20.32 m)
Max Platform Weight Capacity
500.45 lbs (227.00 kg)
Platform Capacity - Restricted
750.00 lbs (340.19 kg)
Platform Capacity - Unrestricted
550.00 lbs (249.48 kg)
Platform Inner Length
96.07 in (244.02 cm)
Platform Inner Width
35.83 in (91.01 cm)
Platform Railing Height
65.69 ft (20.02 m)
Platform Rotation
180 degrees
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