- Overall Length: 8.7 ft / 2650 mm
- Overall Width: 4.27 ft / 1300 mm
- Height To Top Of Rops: 5.62 ft / 1710 mm
- Wheelbase: 6.24 ft / 1900 mm
Published dimensions and weight
Komatsu JW30-2
The Komatsu JW30-2 is a pneumatic roller of about 3 t, powered by a 21.4 hp engine.
01Published dimensions and weight
Dimensions reference
Measurement reference — not to scale

01Dimensions referenceLength × width × height
02Operating Weight - Standard6613.9 lb3000 kg
03Selected published values18
Pneumatic rollers are commonly used to compact and seal asphalt or aggregate with multiple rubber tires. Published rows for Komatsu JW30-2 include published engine power of 21.4 hp / 15.9 kw, published maximum speed of 8.1 mph / 13 km/h, the published “Overall Length” field of 8.7 ft / 2650 mm. These values describe the published configuration; verify the specific machine's configuration, attachments and records.
- Compare the published “Overall Length” field (8.7 ft / 2650 mm) with the specific machine's configuration and records; options and condition can differ.
- Compare the published “Overall Width” field (4.27 ft / 1300 mm) with the specific machine's configuration and records; options and condition can differ.
- Compare the published “Height To Top Of Rops” field (5.62 ft / 1710 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 Length8.7 ft2650 mm
Overall Width4.27 ft1300 mm
Height To Top Of Rops5.62 ft1710 mm
Wheelbase6.24 ft1900 mm
Ground Clearance0.66 ft200 mm
Engine
Number Of Cylinders33
Engine Make22382238
Engine Model3D78AE3D78AE
Gross Power21.4 hp15.9 kw
Power Measured @2400 rpm2400 rpm
Displacement73.5 cu in1.3 L
Operational
Fuel Capacity9.6 gal36 L
Max Speed8.1 mph13 km/h
Weights
Operating Weight - Standard6613.9 lb3000 kg
Average Weight Per Wheel - Standard826.8 lb375 kg
Tires
Number Of Tires - Front44
Number Of Tires - Rear44
Standard Tire Size9.50/65-6PR9.50/65-6PR
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Manufacturer-published specifications.