AP655D Paver

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Cat® C6.6 Engine with ACERT™ Technology

ACERT™ Technology manages combustion using a combination of air management, precise fuel delivery and careful timing in order to lower emissions and meet U.S. EPA Tier 3 engine emissions requirements.

Fumes Management System

The ventilation system draws fumes from the conveyor tunnel as well as the auger chamber and redirects them away from the operator for a more comfortable working environment.

High Capacity Cooling System

The deck-mounted cooling system provides a cool environment by exhausting hot air toward the hopper, away from operators and ground personnel.

Operator Comforts for a Productive Environment

The dual operating stations offer the best-in-class comfort, visibility and ease of use.

Advisor Display Simplifies Operation

The left operating console includes the Advisor Display that provides many unique features to assist the operator.

Mobil-trac™ Undercarriage Performs in All Applications

The Mobil-trac™ undercarriage provides superior durability while delivering unmatched mobility, ride, and traction in a variety of conditions.

Steel Track Undercarriage

The steel track undercarriage is available as an economic alternative to the Mobil-trac.

Independent Material Handling System Promotes Hands-Free Operation

The gateless material handling system promotes hands-free operation by providing features such as ratio control dials, and independent control of each auger and each conveyor.

Generator System Provides Quiet Power

The high capacity generator provides power for the electric screed heat, auxiliary lights and job site tools.

Serviceability Features That You’ve Come to Expect

Simplified service means more time spent paving and less time spent on maintenance.

Screeds That Deliver Quality

Cat pavers are available with vibratory and/or tamper bar screeds. Vibratory screeds are available with either front or rear-mounted extenders. Cat screeds provide even material flow and unparalleled stability that result in smooth, high quality mats.

Caterpillar Customer Support is Unmatched in the Industry

Caterpillar offers “Solutions and Services” and around-the-clock support that meets your everyday needs.

High Ambient Temperature Cooling System

The standard, high-capacity cooling system provides efficient operation in high ambient temperatures. The system design provides quiet operation that benefits the operator and the surrounding environment.

Efficient Airflow Design

The airflow design draws ambient air across the engine compartment and through the coolers. This design allows the exhaust air to exit toward the hopper in order to provide a cooler engine compartment and cooler operating environment.

Variable Speed Fan

The variable speed fan is electronically controlled and hydraulically driven to provide on-demand cooling. This on-demand operation reduces engine power demand, lowers sound levels, and increases fuel efficiency.

Dual Operating Stations

The dual operating stations incorporate fully equipped consoles, ground speed indicators, adjustable suspension seats with cup holders, armrests, and 76 mm (3″) retractable seat belts.

Operator Comforts for a Productive Environment

The dual operating stations with sliding control console offer the best-in-class comfort, visibility and ease of use.

Operator Visibility

The dual operator’s stations can be positioned in one of four different locations to provide optimum visibility. The stations can extend beyond the machine frame for good visibility when paving applications require precise control.

Tilting Consoles

The tilting consoles increase operator comfort by offering multiple positions. A 12-volt power supply located on the right console allows for the use of accessories.

Advisor Display

The Advisor display provides access to a start-up checklist, operator preferences, engine and machine operating parameters, “Paving Calculator”, and “Paving by the Numbers.”

Mobil-trac Undercarriage

The Mobil-trac undercarriage combines the flotation and traction benefits of a crawler suspension with the mobility and ride quality of a wheel-type paver. The Mobil-trac system includes a durable, high strength rubber track belt with a thick outer cover and internal layers of flexible steel cable.

Large Ground Contact Area

The Mobil-trac’s ground contact area is 3020 mm (119″) long and 406 mm (16″) wide. This large footprint provides uniform weight distribution over the entire length of the belt.

Choice of Belt Designs

The Mobil-trac system offers a tread-bar style belt or a smooth belt. Both belt styles are 58 mm (2.3″) thick and provide good performance and wear characteristics, however, the smooth belt with beveled edges provides less disturbance on soft base materials.

Two Speed Planetary Drive

A fixed displacement motor drives a two-speed planetary providing quick mobility around the job site.

Quad Rear Bogie

A special quad bogie is positioned near the rear of the steel track in order to evenly distribute the load.

D3 Track Rails

The steel track system incorporates D3 dozer track rails. The sealed and lubricated links include a split master link for dependable performance.

Long Life Bonded Track Pads

The track pads contain a special rubber compound in order to provide long life and good traction.

Single Speed Planetary Drive

A variable displacement motor drives a single-speed planetary that provides variable speed selection.

Large Ground Contact Area

The steel track’s ground contact area is 3048 mm (120″) long and 356 mm (14″) wide. This large footprint provides uniform weight distribution over the length of the track.

Precise Mix Delivery

The material delivery system provides precise mix delivery with minimal operator monitoring. The left and right conveyors in addition to the left and right augers are controlled independently. The ability to control these four components separately eliminates the need for feeder gates.

Ratio Control

The ratio of conveyor speed to the maximum auger speed is automatically maintained through the controller when changing paving speed. This ratio control feature is helpful when paving wider or thicker on one side of the screed.

Outboard-Mounted Conveyor Drives

The conveyors have outboard-mounted motors, reducers and drive chains that maximize the tunnel area and reduce segregation.

Gateless System

The gateless conveyors run full of mix regardless of the auger speed. When changes in conveyor speed are required, delivery of mix to the augers is immediate. By not always having to run the conveyors at full speed, component wear is significantly reduced. Running at slower speeds can also help reduce the opportunity for segregation, especially when working with larger stone mixes that have a tendency to segregate.

Independent Auger Drive

The auger drive assembly is independent of the tractor, which allows the distance between the two conveyors to be significantly reduced. Keeping the conveyors close together allows the material to flow together more easily as it discharges into the auger cavity. The tunnel and auger design eliminates voids under the chain case in order to minimize segregation.

Adjustable Auger Range

The auger assembly is hydraulically adjustable with a range up to 215 mm (8.5″). The ability to adjust the auger assembly simplifies loading and unloading from a transport vehicle. Also, when working with larger stone mixes, the augers can be adjusted to allow the mix to flow unrestricted under the auger assembly.

Industrial, Single-Phase A.C. Generator

The tractor-mounted generator provides 25 kW of power at 60 Hz for the electric screed heat and the auxiliary power panel. Circuit breaker protection, internal electronic voltage regulation and a dual bearing design provide reliability.

Choices Available (Belt or Hydraulic Driven):

The belt-driven generator provides full power with a variable frequency when the engine speed increases above 1275 rpm. The hydraulic-driven generator provides full power with a fixed frequency of 60 Hz when the engine speed increases above 1275 rpm.

Optional Auxiliary Power Panel

The power panel provides 8 kW of power for auxiliary lighting and job site work tools. The panel includes four 120 V and two 240 V receptacles.

Advisor Display

The Advisor display lists diagnostic fault codes for machine functions making troubleshooting quick and easy.

Product Link System

This system provides automatic machine location and hour updates that can be used to schedule service intervals, ensuring that maximum uptime and minimal repair costs are achieved.

Manual Overrides

The hydraulic pump solenoids incorporate manual overrides to assist troubleshooting procedures.

Large Access Doors and Panels

Preventative maintenance points can be accessed through the large swing open access doors and panels.

Remote Lubrication Points

Lubrication points are grouped in order to make routine service quick and easy.

Color-Coded and Numbered Electrical Wiring

Troubleshooting is efficient and simplified with the color-coded and numbered wiring.

Project Consulting

Project consulting provides a service for improving smoothness, density, and productivity.

Technical Training

Technical training offers in-depth hands-on training to mechanics at Caterpillar training centers or customer locations.

Application Training

Paving Operations Training (POT) is a hands-on methodical approach to the process of paving. The process of “Paving by the Numbers” guides the crew when setting up to pull off the joint.

Machine Support

Parts for asphalt pavers and screeds are available at the Cat Dealer parts counter. Cat Dealers also utilize a world-wide computer network to find in-stock parts to minimize machine downtime.

Maximum Operating Weight 19165.0 kg (42252.0 lb)
Operating Specifications
Standard Paving Width 2.55-5.0 m (8.17-16.40 ft)
Hopper Capacity 6.5 m3 (230.0 ft3)
Maximum Travel Speed 14.5 km/h (9.0 mph)
Paving Width Maximum 8.0 m (26.25 ft)
Paving Width Minimum 1.83 m (6.0 ft)
Truck Dump Height 605.0 mm (24.0 in)
Truck Entry Width 3.2 m (10.5 ft)
Gross Power 129.0 kW (174.0 hp)
Engine Model Cat C6.6 with ACERT
Service Refill Capacities
Fuel Tank Capacity 291.0 L (77.0 gal)
Length with Push Roller and Largest Screed 6.8 m (22.3 ft)
Maximum Height 3.84 m (12.58 ft)
Tractor Operating Width 3.31 m (10.83 ft)
Transport Height 2.92 m (9.58 ft)
Transport Width, Hoppers Raised, Screed End Gates Attached 2.72 m (8.67 ft)
Transport Width, Hoppers Raised, Screed End Gates Removed 2.5 m (8.17 ft)

Optional Equipment

  • Tractor Options
    • Auger and Mainframe Extensions
    • Auxiliary Power Panel
    • Decelerator Pedals
    • Friction Steering
    • Generator (Belt or Hydraulic Driven)
    • Oscillating Push Rollers
    • Power Folding Hopper Apron
    • Proportional Paddle Sensor
    • Sonic Feeder Sensor
    • Steering Guide
    • Track Plow
    • Truck Hitch
    • Umbrella
    • Uptime Kit
    • Ventilation System
    • Warning Beacon
    • Washdown System (Including Ecological Version)
  • Controls and Grade References
    • Automatic Grade and Slope Control
    • Non-Contacting Sonic Grade Sensor
    • Contacting Grade Sensor
    • Outboard Leveler, 9.15 m (30′) and 12.2 m (40′)
    • Inboard Leveler
    • Mobile Stringline
    • Fore ‘N Aft Leveler
    • Sonic Averaging Beam
    • Rigid Ski, 9.15 m (30′) and 12.2 m (40′)

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