SW770-SW780-SW790

SW770-SW780-SW790

SW770-SW780-SW790

Product catalog summary
Overview: The document provides detailed specifications and features of the Sakai Vibratory Tandem Roller models SW770, SW770HF, SW770ND, SW780, SW780ND, and SW790. These rollers are designed for efficient asphalt compaction with various vibratory modes.
Key Features:
  • Compaction Technology: The SW770HF model features a high-frequency vibration of 4,000 vpm for faster density achievement and smoother hot mix asphalt (HMA) mat. The 'ND' model offers selectable oscillatory or circular vibration modes for different layer thicknesses.
  • Operator Comfort: Features include full visibility over drum surfaces, automatic water sprinkler shut-off, and a dual water pump system for reliability.
  • Safety Standards: Includes a 1m x 1m visibility range and a standard emergency brake pedal.
  • Maintenance: Easy maintenance with a rugged articulated center-pin joint, long-life rubber isolators, and an anti-clog sprinkler system. The engine is an Isuzu Tier 3 with a turbocharger.
Specifications:
  • Weights: Operating weights range from 10,800 kg to 12,740 kg, with corresponding empty weights.
  • Performance: Centrifugal force varies across models, with frequencies up to 4,000 vpm and amplitudes ranging from 0.25 mm to 0.70 mm.
  • Dimensions: Overall length is 4,950 mm, with varying widths and heights depending on the model.
  • Engine: All models are equipped with an Isuzu 4JJ1XDIA diesel engine, providing 92 kW (123 HP) at 2,200 rpm.
  • Fluid Capacities: Fuel tank capacity is 193 L, hydraulic tank is 50.3 L, and the sprinkler tank is 1,000 L.
Additional Information: The document notes that specifications are subject to change without notice and that all units are in SI, with reference units in parentheses. The engine meets EPA standards, and using low-quality fuel may cause engine failure.
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Catalog excerpts

SW770-SW780-SW790-1

Vibratory Tandem Roller Efficient compaction with various vibratory modes Sakai patented compaction technologies ◦ SW770HF, standard model features 4,000vpm high frequency vibration by which can efficiently to achieve the density faster and create smoother hot mix asphalt (HMA) mat. ◦ On "ND" model, oscillatory or circular (normal) vibration is selected by switch at operator station depending on the job conditions. The oscillatory vibration is good for thin layer and the circular vibration is effective for thick layer compaction. Operators comfort ◦ Full view over drum surface, drum edge and sprinkler nozzles. shut-off of water sprinkler when the Forward&Reverse lever is in the neutral position. ◦ Patented dual water pump system for increased reliability. ◦ Auto High safety standards ◦ 1 m (39 in) × 1 m (39 in) visibility. brake pedal is standard. Easy Maintenance ◦ Rugged articulated centre-pin joint. life Sakai patented rubber isolators for drums. ◦ Sprinkler system with anti-clog package, i.e., a plastic water tank, triple-protection filtration, etc., and with perfect draining winterization. ◦ Isuzu Tier 3 engine with turbo that maintains output even at high elevations. ◦ Long See in detail at Sakai Web site Asphalt Roller

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SW770-SW780-SW790-2

Vibratory Tandem Roller TYPE MODEL  CHASSIS MODEL WEIGHTS Operating weight (with ROPS) Empty weight (with ROPS) Load on front axle (operating weight with ROPS) Load on rear axle (operating weight with ROPS) PERFORMANCE Centrifugal force (L / H) Frequency (L1, L2, L3 / H1, H2) Amplitude (L / H) POWER LINE VIBRATION SYSTEM BRAKE SYSTEM STEERING SYSTEM FLUID CAPACITY Dynamic linear pressure for front roll N/cm (lb/in) (operating weight with ROPS) Dynamic linear pressure for rear roll N/cm (lb/in) (operating weight with ROPS) No.of speeds Speed range (Forward & Reverse) (L / H) km/h (mph) Gradability...

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.