Hamm GRW 280-20 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 82.0 in (2084 m)
Turning Radius – Inside 267.6 in (6798 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)

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)
Bore 4 in (101 mm)
Stroke 5 in (126 mm)
Gross Power 136 hp (100 kw)
Power Measured @ 2300 rpm
Peak Torque 383.5 lb ft (520 Nm)
Torque Measured @ 1600 rpm
Aspiration Turbocharged
Emission Standards US EPA Tier 4 + EU Stage IIIA

Operational Specs

Operating Weight Cabin 42241 lb (19160 kg)
Max Operating Weight 57320 lb (26000 kg)
Noise Level 84 dB(A)
Operating Voltage 12 V
Alternator 95 amps
Battery 12 V, 135 Ah

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 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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