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Wheel Asphalt Pavers(Non Current)

Caterpillar offers a broad range of Cat® asphalt pavers that compete in the rubber tire, steel track and rubber belted markets. High horsepower and excellent mobility help operators place the mat where they want it. All models are equipped with independent feeder systems designed to reduce segregation and handwork. The ventilation system draws fumes away from the conveyor tunnel as well as the auger chamber and redirects them away from the operator for a more comfortable working environment. Electronic self-diagnostics on the propel and feeder systems maximize maintenance efficiency and reduce machine downtime. Cat screeds feature hydraulic variable-width adjustment and electrically heated screed plates. They are available in rear-extender and front-extender models.

AP600 Asphalt Paver

Overall dimensions, weights distribution, easy to operate and great performances are the basic features of the new AP600. With many enhanced features and options, the AP600 offers optimum flexibility ranging from new construction, resurfacing and maintenance with either hot and/or modified bituminous mix and aggregate production.

  • Specification Summary

  • Operating Weight17800 kg
  • Tractor Weight14150 kg
  • Maximum Speed60 m/min
  • Hopper Capacity5.5 m3/t
  • Paving Width Minimum2500 mm

Product Details


Operating Weight 17800 kg
Tractor Weight 14150 kg

Operating Specifications

Maximum Speed 60 m/min
Hopper Capacity 5.5 m3/t
Paving Width Minimum 2500 mm
Paving Width 7800 mm


Gross Power 129 kW
Flywheel Power 129 kW
Net Power (EEC 80/1269) 121 kW
Bore 100 mm
Stroke 127 mm
Displacement 6 L
Engine Model Cat® 3056E


Wheelbase 2290 mm

Fuel Tank

Fuel Tank Capacity 260 L


The Caterpillar 3056E ATAAC Engine is a high-tech six cylinder diesel engine designed to provide quiet performance, high reliability, easy servicing and excellent fuel economy.

Turbocharged And Air-to-Air Aftercooling

High horsepower with increased response time is assured while keeping exhaust temperatures low for long hours of continuous operation.

Air-to-Air Aftercooling (ATAAC)

Air intake temperatures are maintained low and in concert with the tight tolerance combustion chamber components, maximizing fuel efficiency and minimizing emissions. The system generates significant improvements in air flow in order to improve efficiency and reduce emissions.

Low Transverse Engine Mounting

Low transverse engine mounting provide better cooling performance and easy accessibility for service. Large service panels guarantee easy servicing operations and access to the hydraulic pumps and external engine components.

Fuel Injection.

Heavy duty unit-type fuel injection and low pressure fuel lines minimize opportunity for fuel leaks.

Intake Manifold Heater

Intake manifold heater preheats incoming air for quick cold weather starting.

Optimum Power

The engine performs at a full-rated gross power of 129 kW (173 hp) at 2200 rpm providing great performance and high efficiency in paving operation. Meets European EU Stage II engine emission regulations.

Cooling System

The high capacity cooling system provides cool intake air in order to maximize fuel efficiency and minimize emissions. The system promotes operator comfort by drawing ambient air through the engine compartment and exhausting it on the right side of the machine, away from the operator.

Propel System

Efficient hydrostatic propel system eliminates chains and other mechanical linkages between the engine and final drive components.

Closed-Loop Hydrostatic Propel System

Closed-loop hydrostatic propel system provides accurate control of propulsion and low-maintenance operation.

Hydrostatic pump

The propel system of AP-600 drives the rear wheels with a variable displacement pump and fixed displacement axial piston motor directly splined to a servoassisted two-speed gearbox. The propel pump is infinitely variable and electronically controlled for starting and stopping ramps.

Speed Control

Infinite speed selection within two propel ranges: one in working mode and one in travel mode, to select the best speed range according to operating modes.

Propulsion Control

An electro-proportional servo-control provides machine starting and stopping (for asphalt supply, etc.) with no pre-set working speed variation.

Mechanical Benefits

Because the system is completely hydrostatic, there are no mechanical linkages such as gear cases, transmissions or chains between the engine power take-off and the drive system. This results in a significant reduction in mechanical parts and less chance for mechanical failure.

Suspension System

The wheel-type asphalt paver provides optimum weight distribution, tractive effort assuring great performance.

Wheel-Type Tractor

The AP-600 is equipped with two large tread drive tyres. The four front solid-rubber steering bogie wheels are mounted to the front oscillating axle rocker arms for maximum ground contact and smooth operation over high and low spots.

Wheel Base

The long wheel base provides enhanced tractive effort and stability on soft base materials.

Two-Speed Planetary Drive

A fixed displacement motor drive two-speed planetary drive gearbox in order to provide infinitely variable speed selection.

Operator’s Station

Single and dual operator stations provide complete control and optimum visibility from either side of the operating platform.

Dual Operator’s Station

The ergonomic dual operator’s station incorporate two adjustable suspension seats fitted on mechanically sliding semi-platforms.

Enhanced Visibility

Both operator seats and console panel are mounted on pivoting pedestals enabling the operator to rotate either to the left or right. The stations can extend beyond the machine frame for optimum visibility when joint matching or while paving other applications where precise control is required. With the engine mounted forward and low in frame, the operator is positioned away from engine heat and exhaust.

Control Console

The sliding operator’s console panel is fully equipped with comprehensive controls allowing the operator to conveniently monitor all machine functions. A multifunctional LCD-display fitted to the console panel provides detailed information regarding the operating parameters of machine and engine. A lockable vandal cover protects console controls.

Canopy Option

Two optional canopies are available: folding canopy or hydraulic raising canopy. Both canopies provide full width with two side extending wings for optimum comfort and protection. Canopies can be lowered (manually or hydraulically) for easy transportation.

Material Handling System

Precise mix delivery and productivity through an advanced material handling system.


The independent movement of the two hoppers is provided by means of two hydraulic cylinders assuring efficient material flow. Wear-resisting steel provides conveyors and hopper bottom plate for long wear life.

Feeding Conveyors

Two feeding conveyors are independently controlled and proportionally driven by two ultrasonic sensors. Conveyor rotation can also be inverted from either operator’s console panel or from rear screed control boxes. Conveyors have drive chains to maximize the live conveyor area and reduce center line segregation. This design also provides greater ease of servicing the conveyor drive system. In order to control mix delivery, the operator sets a speed rate for each conveyor that will maintain the desired mix level in the left and right auger chambers.

Auger Assembly

Two independently controlled augers spread the material conveyed to both sides. Auger rotation speed can be varied automatically to ensure a homogeneous distribution of material before the screed. Two ultrasonic wave detectors control proportional augers movement and can be adjusted from the screed control boxes. Conveyors and augers design eliminate voids under chain case to minimize segregation. Augers have outboard mounted motors for easy serviceability.

Optimum Productivity

The material handling system allows the operator to maintain an uninterrupted flow of material from the hoppers to the screed. The system is responsible for maintaining the proper head of material - the volume of asphalt in front of and across the length of the screed.

Adjustable Height Auger Assembly

Augers are reversible and hydraulically adjustable in height providing benefits to mat quality and better distribution of material in front of the screed. The ability to raise the auger assembly simplifies loading and unloading from a transport vehicle. Also, when working with larger stone mixes, segregation can often be eliminated or minimized by raising the augers to allow mix to flow unrestricted under auger assembly.

Generator System (Optional)

The generator system continuous-duty integrated design ensures peak performance and high reliability.

Industrial, Continuous-Duty Generator

The industrial, continuous-duty generator which working range from 1250 to 2200 rpm provides high reliability and low sound levels.

Single Control Switch

A single control switch located on the tractor’s operating console activates the generator.

Full Power

The integrated, tractor-mounted generator provides full power to the electric screed while the engine is operating from 1250 rpm.

Circuit Breaker Protection

Extend service life and internal electronic voltage regulation system provides consistent power.

Auxiliary Rear Control Panel

The Auxiliary rear control panel is full control of tamper and vibrators frequencies for easy ground crew usage.

Right-Hand Auxiliary Rear Control Panel

Mounted on the right rear side of the tractor provides constant and easy control for ground crew usage during paving operations.

Monitoring And Adjustment

Tamper and vibrators frequencies, screed assist & counterbalance system and augers group are conveniently controlled on the panel.

Screed Assist

An electro-hydraulic device maintains a constant screed pressure on the bituminous mix, independently from the mix bearing capacity and the paving width. Screed assist and counterbalance system guarantees superior mat quality and flatness regardless of the speed variations and machine stops for material refilling.

Lockable Panel Cover

The lockable vandal cover efficiently protects panel controls.


The screeds islectric heated and LPG hydraulic screeds combine the flexibility to match equipment to operator preferences or job requirements.

Screed Choices

The AP-600 is available with the AS-3251 screed and the AS-4251 screed both available with variable frequency tamper and vibrators and with LPG and electric heating system.

AS-3251 Screed

AS-3251 screed is hydraulic power extendible asphalt screed, it paves from 2500 mm to 4700 mm. With solid extensions added to both sides, maximum paving width is 7500 mm.

AS-4251 Screed

AS-4251 screed is double width hydraulic power extendible asphalt screed, it paves from 2550 mm to 5000 mm. With solid extensions added to both sides, maximum paving width is 7840 mm.

Tamper And Vibrator

For all screed models are operated automatically when the asphalt paver advances following a preset ramp. Tamper starting and topping ramps are adjustable in order to maintain an optimum mat finish even with the AP-600 stopped during material reloading operations. All screeds are equipped with electronic ignition, automatic and independent adjustment of the smoothing plate temperature for central and each mobil plate.

Electric Heating System

The electric heating system features a tractor-mounted generator, replaceable heating elements and operator friendly controls providing an operator-friendly environment. The system is equipped with automatic adjustment of the smoothing plate and tamper bar temperature for central, each mobile plate and bolt-on extensions up to 7500 mm. Rapid screed preheating is obtained at low engine rpm for quiet operation. Heavy-duty, user-friendly screed heating control unit with self-diagnostic control is positioned at the rear of the machine for easy ground crew usage.

Reliability and Serviceability

Reliability and serviceability are integrated into every Caterpillar machine. These important features keep your machine investment profitable.

Large Access Doors And Panels

Large access doors and panels ensure quick and easy inspection of the main parts. The service doors and panels also provide optimum ground level serviceability and easy access to the hydraulic pumps and external engine components.

Low Transversely Mounted Engine

Low transversely mounted engine povides optimum access to the hydraulic pumps mounted to the right ide of the engine. The front service panel features a single wide hinged door that provides easy filter and traction valves serviceability.

Propel Pump Servicing

The optimum displacement of the propel pump provide enhanced servicing.

Ergonomic Operator Stations

Ergonomic operator stations equipped with rotating seats and console panel provide optimum comfort, all-around visibility and easy control during machine operations.

Hydraulic Motors Servicing

Hydraulic motors for augers are fitted outboard for improved accessibility and serviceability. The auxiliary and front power-assist drive solenoid valves blocks have been conveniently fitted centrally simplifying checking and adjustments.

Hydraulic Hoses And Rlectrical Wiring Harnesses

Hydraulic hoses and electrical wiring harnesses is cleanly routed and clamped to reduce wear and provide easy service.

Exposed Hoses

Exposed hoses provided with nylon sleeve protection to reduce abrasion.

Vibrator System Hydraulic Lines

Cat XT™ hoses provide optimum durability and resistance to damage.

Integrity Of The Electrical System.

Integrity of the electrical system is ensured with the use of high-quality components.

The Caterpillar Electrical Standards

The Caterpillar electrical standards enhance reliability and durability, feature numbered and color-coded wires. Nylon-braided wrap efficiently protects the electrical wires.

Electrical Schematics

Detailing wire numbers, wire colors and component part numbers are located in the electrical schematic technical publication.
  • Generator
    • Auxiliary Power Panel
      • Umbrella
        • Uptime Kit
          • Front Wheel Assist
            • Aggressive Tread Drive Tires
              • Oscillating Push Rollers
                • Truck Hitch
                  • Lighting Package
                    • Hazard Light
                      • Transverse Beam
                        • Sonic Feeder Sensor
                          • Washdown System
                            • Controls and References
                              •  Automatic Grade and Slope Controls
                              •  Non-Contacting Sonic Grade and Slope Controls
                              •  Contacting Grade/Slope Controls
                              •  Proportional Feeder Control
                              •  Rigid Ski
                              •  Outboard Leveler
                              •  Inboard Leveler
                              •  Mobile Stringline
                              •  Fore 'N Aft Leveler

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