Straight / Telescopic
JLG 660SJ Telescopic Boom Lift
JLG's best-selling 60 ft class boom lift. 66 ft 8 in max platform height, 56 ft 9 in horizontal outreach, 750 lb max platform capacity.
Rate
Request Pricing
Specifications
6 listed- Max Platform Height
- 66 ft 8 in
- Horizontal Outreach
- 56 ft 9 in
- Max Platform Capacity
- 750 lb
- Axle Oscillation
- 8 in
- Gradeability
- 45%
- Swing
- 360 deg
Specifications reflect the equipment class and may vary by unit, configuration and revision. Confirm exact specs for your deployment with dispatch.
Manufacturer Information
- Manufacturer
- JLG
- Model
- 660SJ
- Product Family
- Telescopic Boom Lifts
- Verification
- Verified against official manufacturer source (2026-09-06)
This listing represents an equipment class/model available through ROCK3's supplier network — not a specific physically owned or immediately available unit. Manufacturer data sourced and attributed as shown above.
Full Manufacturer Specifications
Performance
- Gradeability
- 45%
- Swing
- 360 deg
Capacity/Reach
- Max Platform Capacity
- 750 lb
- Platform Capacity Restricted
- 750 lb / 340 kg
- Platform Capacity Unrestricted
- 500 lb / 250 kg
- Horizontal Outreach
- 681 in / 17,400 mm
- Platform Height Elevated
- 800 in (~66.7 ft) / 20,020 mm
- Tailswing
- 44.75 in / 1,220 mm
- Jib Range of Articulation
- 132 deg / 130 deg
Dimensions
- Machine Height
- 100.75 in / 2,580 mm
- Machine Length
- 428 in / 10,010 mm
- Machine Width
- 98 in / 2,480 mm
- Axle Oscillation
- 8 in / 200 mm
- Ground Clearance
- 12 in / 290 mm
- Platform Length
- 36 in / 910 mm
- Platform Width
- 96 in / 1,830 mm
- Turning Radius Outside (2WS)
- 211 in / 5,960 mm
- Turning Radius Outside (4WS)
- 114 in / 3,870 mm
Weight
- Machine Weight
- 25,340 lb / 12,528 kg
Powertrain
- Engine (Diesel)
- DEUTZ TD 2.9L Tier 4 Final, 67 hp
- Engine (Dual Fuel)
- GM Vortec 3000 MPR, 82 hp / Ford M5G425-DF
- Fuel Tank Capacity (Diesel)
- 40 gal[US] / 117 l
- Hydraulic Reservoir Capacity
- 32 gal[US] / 129 l
Tires
- Tire Size
- 355/55D625 Foam Filled / Lug Tread
Operational data
- Max Ground Bearing Pressure
- 86 psi / 588,400 Pa
Full specification table sourced from the official manufacturer product page and/or spec-sheet PDF linked above, retrieved 2026-09-06. Specifications vary by configuration and revision — confirm exact specs for your deployment with dispatch.
