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Hamm GRW 21 Pneumatic Roller


Ground Clearance1.1 ft (0 m)
Height - Top of ROPS/FOPS10.8 ft (3 m)
Maximum width6515.8 ft (1,986 m)
Overall Length186.9 in (475 cm)
Overall Width7.1 ft (2 m)
Turning Radius - Inside19.4 ft (6 m)
Wheelbase11.8 ft (4 m)


Emissions CertificationEPA Tier 4
Engine MakeDEUTZ
Engine ModelTCD 2012 L04 2V
Gross Power114 hp (85 kw)
Net Power114 hp (85 kw)
Number of Cylinders4
Power Measured @2300 rpm

Operating Specifications

Fuel Capacity52.4 gal (198 l)
Operating Weight61729.5 lbs (28,000 kg)
Operating weight Cabin47785.2 lbs (21,675 kg)
Water Spray Tank Fluid Capacity198.2 gal (750 l)


Number of Tires - Front4
Number of Tires - Rear4
Size of tyres, Front11.00-R20
Size of tyres, rear11.00-R20
Width over tyres, Front68.7 in (175 cm)
Width over tyres, rear68.7 in (175 cm)
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    39.95234 \\ -75.16379 \\ \\ Fort Washington \\ PA