Dynapac model reference

The Dynapac CC3300 reference gives 9000 kg with ROPS, 9100 kg with cab and 9900 kg maximum operating mass. The maximum is 900 kg above the ROPS entry. Use the fitted configuration and actual load for transport rather than treating all three values as synonyms.

CC3300 operating mass differs from its maximum mass

Check the unit and the configuration together

The US CA2500PD specification lists 24300 lb with ROPS, 24700 lb with cab and 26100 lb maximum. Its front/rear module masses are individual support loads. They are not extra cargo to add to the machine total.

For the CC4000 VI, the manufacturer instead publishes 9700 kg with ROPS and 9850 kg with cab. Preserve metric and US units when comparing these sources, along with the applicable engine and equipment version.

CC tandem rollers, CA soil compactors, CP pneumatic rollers and F/SD pavers have different work and capacity definitions. Vibration frequency, amplitude and oscillation describe selected drum modes; a larger frequency alone does not establish a better compaction result. A paver’s mass must keep its screed and transport configuration.

Seismic eligibility cannot be inferred from the CC number

Dynapac’s Seismic Asphalt reference describes frequency control that responds to asphalt temperature and stiffness. The operator chooses high or low amplitude, while the controller varies frequency with the material. The display’s Seismic setting, drum sensors and temperature sensing belong to that control package; a conventional frequency figure in an older roller specification does not prove the machine has it.

Dynapac expressly describes Seismic as a factory-installed option and says it is not offered as a field kit. That changes a used-equipment decision: an ordinary CC cannot be priced as a future Seismic conversion on the strength of a shared model designation. Check the machine’s display and build specification before comparing it with an equipped example.

The manufacturer lists CC2200 VI through CC7000 VI, CX8 and CX9 applications, including combi and CO oscillation rollers. The available application range is not a statement that every example carries the option. Dynapac also separates Seismic’s frequency adjustment from EcoMode’s engine-speed management.

Treat a quoted fuel-saving claim as conditional on the stated equipment and operating mode, rather than as a fixed consumption figure for all Dynapac compactors.

CO oscillation is a drum arrangement, not proof of Seismic

The CO4000 VI/CO4200 VI/CO5200 VI/CO6200 VI instruction manual, introduction page 1, specifies a vibrating front drum and an oscillating rear drum, with water sprinklers and drive on both. The front has two vibration amplitudes. The rear’s oscillation is described as useful for thin layers and sensitive surroundings, with less depth effect.

That explains why a CO configuration needs its own working-method comparison with a conventional tandem roller.

When inspecting one of these CO machines, establish both the installed drum system and the separate frequency-control option. An oscillating rear drum can answer a surface-treatment requirement without establishing that the machine carries Seismic. Conversely, the manufacturer’s Seismic application list includes CO models, so oscillation alone does not rule the option out.

The manual also identifies differing engine settings, operator platforms and controls within the CO range; the complete designation and equipment record belong with a hire or purchase quotation.

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