Hamm GRW 280-28 Pneumatic Roller

Dimensions

Overall Length 183.9 in (4670 mm)
Overall Width 84.4 in (2144 mm)
Height to Top of ROPS 118.1 in (3000 mm)
Wheelbase 141.7 in (3600 mm)
Ground Clearance 7.9 in (200 mm)
Maximum Working Width 82 in (2084 m)
Inside Turning Radius 222 in (5640 mm)

Tires

Size Of Tires, Rear 11.00-R20
Width Over Tires, Rear 72.1 in (1830 mm)
Size Of Tires, Front 11.00-R20
Width Over Tires, Front 72.1 in (1830 mm)
Number Of Tires, Front / Rear 4 / 4

Water Sprinkler

Water Sprinkler Type Pressure
Water Sprinkler Pump Type Membrane pump
Actuation, Sprinkling Interval / manual

Engine Details

Number Of Cylinders 4
Engine Make DEUTZ
Engine Model DEUTZ TCD 2012 L04 2V
Displacement 247 cu in (4.038 L)
Horsepower 134.2 hp (100 kw)
Power Measured @ 2300 rpm
Aspiration Turbocharged
Emission Standards US EPA Tier 4 + EU Stage IIIA

Operational Specs

Operating Weight Cab 59139 lb (26825 kg)
Max Operating Weight 62391 lb (28300 kg)
Operating Voltage 12 V
Alternator 95 amps
Battery 12 V, 135 Ah
Noise Level 84 dB(A)

Drive

Type Hydraulic motor
Max Working Speed 5.9 mph (9.5 km/h)
Max Travel Speed 11.8 mph (19.0 km/h)
Gradeability at Operating Weight 25%
Steering Two-point steering
Steering Lock ±30°
Oscillation Angle ±2°
Level Compensation (front) ±2.55 in (±65 mm)

Brake System

Service Brake, Mode of Action Hydrostatic
Service Brake, Actuation Drive lever
Parking Brake, Mode of Action Spring loaded disc brakes
Parking Brake, Actuation Electric and/or automatic
Emergency Brake, Mode of Action Hydro-mechanical brake
Emergency Brake, Actuation Foot Brake Pedal / Emergency Stop Button

Service Refill Capacities

Fuel Tank Capacity 62.1 gal (235 L)
Engine Oil Capacity 3.0 gal (11.5 L)
Cooling System Capacity 5.8 gal (22 L)
Water Spray Tank Capacity 51.6 gal (195 L)
Hydraulic System Capacity 21.1 gal (80 L)
Wheel Gear Capacity 2x 2.1 gal (2x 8 L)
Hydraulic Brakes Capacity 0.05 gal (0.2 L)
Level Compensation (front) Capacity 0.26 gal (1 L)
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