- Overall Length: 18.2 ft / 5547.36 mm
- Overall Width: 6.4 ft / 1950.72 mm
- Overall Height - Mast Lowered: 6.7 ft / 2042.16 mm
- Ground Clearance: 10 in / 254 mm
Published dimensions and weight
JLG 340AJ
The JLG 340AJ is a boom lift of about 4.4 t, powered by a 24.8 hp engine.
01Published dimensions and weight
Dimensions reference
Representative category illustration; exact model may differ.Measurement reference — not to scale

01Dimensions referenceLength × width × height
02Operating Weight9700 lb4399.9 kg
03Selected published values28
Boom lifts are commonly used to position workers and tools at elevated or difficult-to-reach work areas. Published rows for JLG 340AJ include published operating weight of 9700 lb / 4399.9 kg, the published “Overall Length” field of 18.2 ft / 5547.36 mm, the published “Overall Width” field of 6.4 ft / 1950.72 mm. These values describe the published configuration; verify the specific machine's configuration, attachments and records.
- Compare the published “Overall Length” field (18.2 ft / 5547.36 mm) with the specific machine's configuration and records; options and condition can differ.
- Compare the published “Overall Width” field (6.4 ft / 1950.72 mm) with the specific machine's configuration and records; options and condition can differ.
- Compare the published “Overall Height - Mast Lowered” field (6.7 ft / 2042.16 mm) with the specific machine's configuration and records; options and condition can differ.
02Specifications
Published values, clearly grouped.
Published specifications and measurements are organized by section for quick reference.
Dimensions
Overall Length18.2 ft5547.36 mm
Overall Width6.4 ft1950.72 mm
Overall Height - Mast Lowered6.7 ft2042.16 mm
Ground Clearance10 in254 mm
Articulation Angle144 degrees144 degrees
Horizontal Outreach19.11 ft5.83 m
Turning Radius5 ft1524 mm
Up And Over Height17 ft5.19 m
Platform Dimension A2.6 ft0.8 m
Platform Dimension B5 ft1.53 m
Tailswing Radius0.2 ft60.96 mm
Platform
Platform Capacity - Unrestricted500 lb226.8 kg
Platform Railing Height33.1 ft10.09 m
Swing System
Swing355 degrees355 degrees
Swing TypeNon-ContinuousNon-Continuous
Engine
Diesel Engine TypeKubota D1105 24.8 hpKubota D1105 24.8 hp
Diesel Engine Power24.8 hp18.5 kw
Dual Fuel Engine TypePSI/GMPSI/GM
Maximum Ground Bearing Pressure151 psi1041.2 kPa
Dual Fuel Engine Power28.7 hp21.5 kw
System Voltage12 V12 V
Operational
Operating Weight9700 lb4399.9 kg
Fuel Capacity13 gal49.3 L
Hydraulic System Fluid Capacity20.6 gal78 L
Tire Size265/50020 Lug Tread265/50020 Lug Tread
Performance
Axle Oscillation0.5 ft0.2 m
Drive Speed3.2 mph5 km/h
Gradeability45 %45 %
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Manufacturer-published specifications.