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8520 - Asphalt Pavers

About the 8520

You talked, we listened! The LeeBoy 8520 is the perfect unit for the heavy-commercial paving market. This machine features a higher horsepower engine along with a larger hopper capacity guaranteed to deliver outstanding results. Featuring LeeBoy’s ultra-efficient material management system, the wide slow moving conveyor system moves material consistently from the truck to the screed which ensures a flawless mat. Truly designed with the paving professional in mind, the 8520 is a welcomed robust design to the LeeBoy elite family of asphalt pavers.

Job Application

  • Parking Lots
  • Driveways
  • Municipal Work
  • Subdivisions
  • State Roads
  • County Roads

Key Features

  • Wide-conveyor system produces highest quality mat
  • Large 9 ton hopper
  • Longer undercarriage, smooth ride
  • Higher horsepower
  • Optimized hydraulic circuit
  • Easily converts to high deck or low deck configuration
  • Control panel shifts from left to right, operator’s choice
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Features

Dimensions

  • Length: 14’ 5” (4.406 m)
  • Width:  8’ 6” (2.59 m) transport
    10’ (3.05 m) hopper wings down
  • Height:  8’ 2” (2.48 m)
  • Total Weight (with screed):  19,760 lbs.  (8,962 kg)

Engine

  • Kubota turbocharged diesel
  • Tier 4 Final - 106 HP (79 kW) @ 2,200 rpm

Capacities

  • Fuel: 24 gallons (90 l)
  • Hydraulic: 73 gallons (276 l)
  • Washdown tank: 7 gallons (26.5 l)
  • DEF tank:  5 gallons (18.9 l)

Hopper

  • Dual 3’ (0.914 m) feeding conveyors
  • Each conveyor is independent with automatic cut-offs.
  • Conveyor is hydraulically raiseable to allow cleaning and service
  • Hopper size:  9 ton (8,164 kg)
  • Hopper height:  31.75” (0.806 m)
  • Hopper wings:  Heavy-duty .5” (12.7 mm) with large radius corners

Paving Widths

  • Variable paving widths up to 15’ (4.6 m)

Paving Depths

  • Electronically operated tow point actuators with toggle switches allow operation of grade from the high deck position
  • Includes manual flights screws positioned on the screed
  • Depth:  0 to 6” (0.152m)

Screed

  • HD Electric screed standard, weight: 3,260 lbs
  • Heavy Duty Legend full free floating 96” (2.44 m) main screed
  • Consist of a 16.75” (.425 m) deep main screed
  • Constructed of .375” (9.52 mm) HARDOX 400 bolt-on wear plates for easy placement
  • Wear plate has bullnose on front

Screed Extensions

  • Two 44” (1.11 m) screed extensions hydraulically operated
  • The heated extensions are adjustable and mounted flush with the main screed
  • Includes replaceable .375” (.952 m) by 7.38” (0.171 m) AR 400 bottom wear plate
  • Extensions Length:  3’6” (1.07 m)
  • Walkway width:  12” (0.305 m)

Screed Heat

  • Legend HD Electric Screed
  • 12k generator
  • Electric timer and automatic RPM control system
  • Environmentally safe, sealed S-curve elements in main screed and sealed, blade-style elements in extensions

Screed Vibration

  • Equipped with two hydraulic vibrators capable of producing up to 3,400 vibrations per minute each (preset at 2400 VPM)

Screed Crown/Invert

  • Includes a leveling indicator for the operator to know when the screed is level

Screed End Gates

  • Equipped with vertical height adjustments and tilt with replaceable wear shoes

Under Auger Material Cutoff

  • Two independent hydraulically operated 4' ( 1.219 m) wide gates located under the augers and constructed of at least .25" (0.006 m) A-36 plate steel

Material Augers

  • Two independent, hydraulically driven, segmented augers.  Operated automatically or manually
  • Augers are 12” (.305 m) diameter and are cast from .625” (.016 m) SAE 4140 heat treated steel
  • System has manual override function  and automatic functions are controlled by sonic sensors (non-contracting)

Operator’s Platform

  • Includes both right and left hand seats 4' 6" (1.371 m) above ground with a lockable cover for the instrument panel
  • Two piece, grip strut, anti-slip walk board platform

Operator’s Controls

  • High deck/low deck configuration
  • Includes dual electronic steer
  • All control switches are located in one box that can be slid to each side. Dash panel includes augers, screed extension, cut-offs, screed, hopper wings, conveyors, grade controls, steering and lights

Steering

  • Dual electronic steering controls
  • Machine can be controlled from a high deck position or lowered to control at the screed
  • Electronically controlled pumps operate the forward/reverse motion from dual joysticks

Washdown System

  • Electric HD pump with two hose reels with 15' X .3125" (4.572m x 8 mm) diameter hose

Hydraulic System

  • Variable volume hydraulic pumps for each drive
  • A constant volume pump for conveyors and a constant volume pump for all other hydraulic functions
  • Hydraulic reservoir:  73 gallons (276 l)
  • Hydraulic oil: all weather, all temperature

Push Rollers

  • Two 3" (0.076 m) diameter rollers with sealed bearings mounted on a swivel frame
  • Vertically adjustable push rollers, 7” (.178 m) of height adjustment

Track Drive System

  • Hydrostatically powered, self-cleaning crawler type tracks consisting of drive sprocket, seven rollers and hydraulically adjustable front idler
  • Drive mechanism is torque hub driven which consist of two speeds and obtained by means of a toggle switch
  • Fail safe brakes
  • Track size:  14” wide x 87” long (.360 x 2.2 m) poly 7 rollers

OR

  • Rubber Track Option: 15.75” wide x 87” long (.400 x 2.2 m) rubber 7 rollers
    - Paving speed: 0 to 150’ per minute (1.7 mph)
    - Travel speed: 0 to 300’ per minute (3.4 mph)

Additional Standard Equipment

  • Gauge package (oil pressure, hour meter, fuel gauge, volt meter, water temp, tachometer, hydraulic oil temp, hydraulic level warning, engine diagnostics)
  • Back-up alarm
  • Rotating safety beacon
  • LED work lights
  • Vandalism protection covers
  • Horn
  • Two seats

Optional Equipment

  • Remote screed controls
  • Screed extension vibration
  • Automatic screed temperature control
  • Rubber track, continuous
  • Sloping screed extensions
  • Heated endgates
  • Slope meter
  • Horizontal flight screws
  • 3:1 flight screw adjusters
  • Walkboard extensions slide outs, left and right
  • Hydraulic tow points
  • Truck hitch
  • Truck hitch valving, excludes truck hitch
  • Power crown
  • Single point lube system, screed
  • Steering wheel drive controls, in lieu of joysticks
  • Wiring only, grade controls (TopCon), includes A/M modules
  • Sonic grade control, one side (TopCon P-32 system)
  • Dual grade control (TopCon P-32 system)
  • Dual grade and slope (TopCon P-32 system)
  • 12” x 4.5” (.304 x .11 m) berm extension, left and right

Training, Support and Company

  • Training and support manuals
  • Optional on-site operator training by Dealer
  • One-year, unlimited hours warranty against any manufacturer defects
  • Extended warranty available
  • 50+ years manufacturing experience
  • ISO 9001 Certified
  • Manufactured in the USA