CAT CLASS: HQ-10057

66+ in Double Drum Roller

The 66+ in double drum roller class represents highway-grade tandem compactors designed for high-production mainline paving operations. With drum widths from 1680 to 2200 mm and operating weights ranging from 6,600 to 33,800 kg, these machines deliver the coverage and compaction force required to keep pace with pavers on interstate reconstruction, airport runways, and other large-scale asphalt projects. This is the top rung of the double drum roller ladder.

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Spécifications clés

Spécification	Plage typique	Signification
Drum width	1680–2200 mm (66–87 in)	Wide drums cover more area per pass, essential for matching paver output on highway lanes.
Operating weight	6,600–33,800 kg (14,500–74,500 lb)	Heavy machines deliver static load for deep lifts and high-density asphalt mixes.
Centrifugal force	89–500 kN	High vibratory force ensures thorough compaction of thick asphalt layers and base courses.
Engine power	54–470 hp	Sufficient power for continuous vibration, propulsion, and water spray at highway paving speeds.
Travel speed	6–12 mph	Speeds match paver output, minimizing delay between mat placement and initial breakdown.

Comment choisir

The 66+ in class is specified for highway-class paving where wide lanes, high tonnage, and paver production rates demand maximum drum width and compaction force. Operations paving interstates, airport taxiways, or port hardstand typically require this size to complete breakdown and finish passes without bottlenecking the paver train. For municipal streets, parking lots, or secondary roads where lanes are narrower and tonnage is lower, the 52–66 in double drum roller offers adequate coverage with better maneuverability and lower mobilization cost. Projects with confined access or frequent direction changes benefit from the smaller class.

Ce que cette taille peut gérer

Interstate highway reconstruction with full-lane mill-and-fill operations
Airport runway and taxiway paving requiring FAA density standards
Port container yard hardstand construction with heavy-duty asphalt sections
Mainline toll-road paving with multi-lift asphalt over aggregate base
Large-scale logistics center access roads and trailer staging areas
Highway interchange ramp paving where uninterrupted production is critical

Sécurité et opération

Operators must maintain clear sightlines around wide drums; spotter communication is standard practice when reversing or working near grade breaks and utility structures
Vibratory systems generating up to 500 kN of force require proper seat suspension and operator training to minimize whole-body vibration exposure over long shifts
High operating weights and speeds demand awareness of ground bearing capacity, especially near trenches, culverts, or freshly placed asphalt edges
Water spray systems operate under pressure; hose routing and nozzle inspection prevent scalding hazards and ensure even mat cooling

Transport et logistique

Requires heavy-duty lowboy or multi-axle trailer; typical machines in this class exceed legal road limits and need permits for over-width transport
Transport weight ranges from 11,200 to 14,000 kg for lighter models; heavier configurations may approach or exceed single-trailer capacity
Loading requires robust ramps or dock access; drum diameter of 1220 mm and overall height demand clearance planning for bridges and overhead structures

Alimentation

Diesel fuel capacity ranges from 110 to 280 gallons, supporting full-shift operation on large projects without refueling interruptions
Water tank capacity from 680 to 970 gallons (some configurations up to 3,250 gal) supplies drum spray systems for extended paving runs; on-site water trucks or hydrant access often supplement tanks on high-production jobs
Fuel consumption scales with engine power (54–470 hp) and vibratory duty cycle; highway paving typically runs engines at sustained high load

Questions fréquentes

What differentiates a 66+ in roller from smaller tandem classes on highway work?

Drum width above 66 inches allows the machine to cover full highway lanes in fewer passes, matching high-tonnage paver output and reducing the number of machines needed in the compaction train. Smaller classes require more passes or additional units to achieve the same production rate.

Can this class handle both breakdown and finish rolling?

Yes. Most models in this weight range offer adjustable amplitude or dual-frequency settings, allowing operators to switch from high-force breakdown mode to lower-amplitude finish passes. Some operations deploy dedicated machines for each role to optimize paver train flow.

What factors determine whether a project specifies this class over a pneumatic roller?

Double drum rollers in this size excel at initial breakdown and finishing smooth surfaces. Pneumatic rollers are often paired with them for intermediate kneading of asphalt mixes, especially where sealing and density at depth are critical. Highway specs frequently call for a tandem-pneumatic-tandem sequence.

Comparer les modèles populaires

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Normalisé aux mêmes unités. Un tiret signifie que la valeur n'a pas été publiée.

Modèle	Poids en service	Puissance moteur
Bomag BW 151 AD-5	16,755 lb (7,600 kg)	74 hp
Bomag BW 151 AD-5 AM	17,417 lb (7,900 kg)	72 hp
Bomag BW 151 AD-50	16,755 lb (7,600 kg)	74 hp
Bomag BW 161 AC-5	21,385 lb (9,700 kg)	127 hp
Bomag BW 161 AD-5	22,487 lb (10,200 kg)	127 hp
Bomag BW 161 AD-5 AM	22,487 lb (10,200 kg)	127 hp

Équipements connexes

Up to 40 in Double Drum Roller 26 40-52 in Double Drum Roller 21 52-66 in Double Drum Roller 15

Parcourir par fabricant

Bomag 57 XCMG 12 Ammann 6 Dynapac 5

Sources

Chaque spécification est vérifiée par rapport aux données publiées par le fabricant, avec la source liée pour référence.

ammann.com ↗bomag.com ↗dynapac.com ↗xcmgglobal.com ↗

66+ in Double Drum Roller

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