DYNAPAC CC7200
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Descrizione
The Dynapac CC7200 is the worlds biggest serial produced tandem roller. A machine with an operating weight of almost 17 tons. This roller is designed to facilitate economical operation in major projects which demand highly efficient compaction such as landing strips and major motorways. As a rule, this machine achieves the required density after very few passes, even when compacting thick layers of asphalt, roller concrete or harsh asphalt mixes. The large diameter of the drums also makes this machine suitable for operation on softer mixes, despite its heavy weight.
TECHNICAL DATA
| Masses | |
| Max. operating mass | 17985Â kg |
|---|---|
| Operating mass (incl. ROPS) | 16800Â kg |
| Module mass (front/rear) | 8245 kg/ 8530 kg |
| Traction | |
| Speed range (Dual/TC/AS) | 0-11 km/h |
| Vertical oscillation | ±5° |
| Max. theoretical gradeability | 31Â % |
| Compaction | |
| Centrifugal force (high/low amplitude) | 215 kN/ 102 kN |
| Nominal amplitude (high/low) | 0.84 mm/ 0.39 mm |
| Static linear load (front/rear) | 38.7/ 40.0 kg/cm |
| Vibration frequency (high/low amplitude) | 45 Hz/ 45 Hz |
| Water tank volume | 2×670 |
| Engine | |
| Manufacturer/Model | Cummins QSB 6.7(IIIA/T3) |
| Type | Water cooled with after cooler |
| Rated power, SAE J1995 | 170 kW (228 hp ) @ 2100 rpm |
| Fuel tank capacity | 335Â l |
| Alternative Engine | |
| Manufacturer/Model | Cummins QSB 6.7 (IIIB/T4i) |
| Type | Water cooled turbo diesel with After Cooler |
| Rated power, SAE J1995 | 164 kW (220 hp ) @ 2000 rpm |
| Alternative Engine | |
| Manufacturer/Model | Cummins QSB 6.7 (IIIB/T4i) |
| Type | Water cooled with After Cooler |
| Rated power, SAE J1995 | 129 kW (173 hp ) @ 2000 rpm |
| Hydraulic system | |
| Driving | Axial piston pump with variable displacement. Axial piston motors (2) with constant displacement. |
| Vibration | Axial piston pump/motors (2) with constant displacement. |
| Steering | Gear pump with constant displacement. |
| Service brake | Hydrostatic in forward and reverse lever. |
| Parking/ Emergency brake |
Failsafe multidisc brake in both drums. |
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DYNAPAC CC7200