Main Technical Specifications
MAKE Rosco
MODEL Maximizer 4B

*Price, if shown, is Manufacturer's Suggested Retail Price (MSRP) and does not include government fees, taxes, dealer freight/preparation, dealer document preparation charges or any finance charges (if applicable). MSRP and/or final actual sales price will vary depending on options or accessories selected.

New Equipment Sales only available in assigned territories where Kirby-Smith Machinery, Inc. is a licensed distributor. Not all manufacturer's brands available at each location. Please contact your local Kirby-Smith branch if you have questions regarding availability.

New Rosco Maximizer 4B Asphalt Distributor for Sale

Reach your full potential with the new Rosco Maximizer 4B. This trusted machine features a 24ft fully circulating, folding and extending spraybar as well as the user-friendly attributes you’ve come to love in the Rosco Distributor family. In-cab controls with automatic application rate control ensure consistent emulsion coverage. The large color display allows operators to monitor vitals, oversee width changes and engage the enviro-flush clean out system. With multiple tank capacities and an array of options including an oil heating system, each truck can be customized to fit your exact requirements.

• 24’ (7.3 m) Fully Circulating, Folding & Extending Spraybar

• Automatic In-Cab Controls

• Internal Spraybar Valves

• 560 gallons per minute, Viking Asphalt Pump

• Enviro-Flush Clean Out System

• Straight-Line Start and Stop

• Accurate Application Regardless of Spraybar Width or Speed

• 12 Presets for Application Rate

• Speed and Distance Monitoring

• External Controls & Pump Speed Display on Rear Fender

Body
Insulation - 2” (51 mm) rock wool with spacers to prevent
compression
- Protected by an aluminium jacket
Manhole Weather tight and safety relieving cover with basket-type strainer
Inside splash guards
Steel measuring stick
Tank vent and overflow
Manhole Opening 22” in diameter
Manhole Overflow 3” in diameter
Dimensions
Length Depends on type of truck purchased and options selected
Width Depends on type of truck purchased and options selected
Height Depends on type of truck purchased and options selected
Weight Depends on type of truck purchased and options selected
Distributing Lines High temperature, flexible metal hoses
Steel pipe with ball and socket joint is not acceptable
Engine
Tank Capacity 2,050 gallons to 4,250 gallons*
*Gallons listed are maximum tank capacities. Recommended tank capacities may be limited by 1.) Thermal expansion of materials. 2.) Density of materials. 3.) Truck/axle load ratings. For more detail, please contact your local LeeBoy Dealer.
Tank Meets all applicable Federal DOT tank regulations
ASTM A569 grade mild steel with minimum 10 gauge shell and 7 gauge flat heads
Flanged reinforced and welded to shell inside and outside of tank
Seams are all electrically welded
Rear suction sump and front return
Thermometers Thermometers: One 4” dial thermometer
One internal pencil thermometer
Surge 10 gauge steel with staggered openings to provide adequate tank strength and proper surge control
Drivetrain
Transmission Hydrostatic, front live power driven by engine crankshaft
The hydrostatic pump is an infinitely variable, displacement axial piston pump
Hydraulic reservoir: 20 gallons with thermometer and sight gauge and level indicator
Flush Tank 25 gallons
Hydraulic
Hydraulic Reserve 20 Gallons
Hydraulic Pump Viking, positive displacement pump
Rotary gear type with built-in relief valve for safety
Asphalt pump driven by low speed high torque fixed displacement hydraulic motor and connected by a flexible coupling
Pump: 560 gallons per minute
Operational
Heating System Two diesel fired burners with electric ignition and heat limit controls
Two, u-type, high temperature flue pipes running the length of the tank
Single exhaust stack is constructed of stainless steel and includes a rain cover, removable if service is needed
Heating flue size: 8” in diameter throughout
Burners: 560,000 BTU per burner, per hour capacity
Spray Bar 24’ full circulating, extendible spraybar
Two 8’ independently controlled extending sections
Each spray nozzle automatically turns on when extended and off when retracted
Two 4’ fully circulating hydraulically folding wings
Spray nozzles operated in 1’ increments
All functions operated by the Plus+1 controller in the cab
Solution Tank Capacity 2,050 gallons to 4,250 gallons*
Solution Tank Material Steel 10 ga. (3.4 mm) shell; 7 ga. (4.5 mm) reinforced and flanged heads; all seams electrically-welded, inside and out
Rinse Tank Capacity 25 gal
Nozzles Spaced on 4” centers on spraybar
Nozzle Spacing 4"
Clean Out Enviro-flush system allows solvent circulation through asphalt pump, valves, distributing lines and spraybar
Cleanout material returned to enviro-flush tank for later use or disposal
Flush tank: 25 gallons
Enviro-Flush tank: 25 gallons
Sump At the rear of tank
Cleanout plug and suction line from the pump includes tank cutoff valve
Heating Flue Size 8” in diameter throughout
Heat System Burners Two diesel fired burners with electric ignition and heat limit controls
Controller Plus+1 CAN Bus control and onboard diagnostic system
7” high-resolution, color graphic display
Controller for automatic application rate control
Automatic valves for cab control of distributor functions
Exclusive enviro-flush system with hydraulic pump speed control
Settings for flow, speed calibration, spraybar width and spray bar on/off control by section
Capable of storing up to 12 preset combinations of application rates and flow calibrations for instant retrieval
Selectable readouts include FPM, GPM, total feet sprayed, total gallons sprayed, total square yards sprayed, flow and speed calibration, application rate, tank temperature, hour meter and spraybar width (English and metric units can be selected for the rate controls)
Controller provides accurate applications regardless of changes in speed or spraybar width during operations
Includes GPS ground speed sensor
Convenient external controls and pump speed display mounted on rear fender

Tank Capacity - 2,050 gallons (7,760 l) to 4,250 gallons (16,088 l) * Gallons listed are maximum tank capacities. Recommended tank capacities may be limited by 1.) Thermal expansion of materials. 2.) Density of materials. 3.) Truck/axle load ratings. For more detail, please contact your local Rosco Sales Representative or Dealer.

Tank - Meets all applicable Federal DOT regulations - 10 gauge (3.4 mm) steel shell - 7 gauge (4.5 mm) steel reinforced, flanged heads - Seams are electrically welded

Insulation - 2” (51 mm) rock wool with spacers to prevent compression - Protected by an aluminium jacket

Heat System - Two diesel fired burners with electric ignition - 560,000 BTU per burner, per hour capacity

Asphalt Pump - Viking, positive displacement pump - 560 gallon per minute (2,120 L)

Clean Out - Enviro-flush allows circulation through asphalt pump, valves, distributing lines and spraybar - Material returned to tank for later use or disposal - 25 gallons (95 l) capacity

Spraybar - Brass, slotted nozzles and valves are non-clogging - Quick-disconnect allows operator to change spray widths in 4” (102 mm) increments - 24’ (7.3 m) full circulating bar, extendable spraybar - Two 8’ (2.43 m) independently controlled, extending sections - Two 4’ (1.2 m) fully circulating hydraulically folding wings - Nozzles: spaced 4” (102 mm) center on spraybar

Operator’s In-Cab - Plus+1 CAN Bus control and onboard diagnostics Controls - 7” (177 mm) 800 x 480, high-res color display - Automatic application rate control - Settings for flow, speed calibration, spraybar width, spraybar on/off control by section - Up to 12 application rate preset combinations - Readouts include FPM, GPM, total feet sprayed, total gallons sprayed, total sq. yards sprayed, flow and speed calibration, application rate, tank temperature, hour meter, spraybar width - Convenient external controls and pump speed display mounted on rear fender

  • Hand spray wand with a 25’ rubber hose
  • Front and rear dial contents gauge
  • 4” dial thermometer and internal pencil thermometers
  • ICC clearance lights and reflectors
  • Rear bumper to protect spraybar
  • Sample valve
  • Back-up alarm
  • Mud flaps
  • Ladder and platform assembly
  • Grease gun

 

Training and Support

  • Training and support manuals
  • Optional on-site operator training by Dealer
  • Two-year, unlimited hours warranty against any manufacturer defects
  • Extended warranty available
  • 55+ years manufacturing experience
  • ISO 9001 Certified
  • Sourcewell Contract# 052417-VTL
  • Manufactured in the USA

  • Installation for a customer supplied truck chassis
  • PTO transmission (required if not using front live power)
  • LPG burner in lieu of diesel burner [includes 48 gallon LP tank]
  • Diesel burners with electronic ignition, 100% outfire protection and heat limit control
  • Diesel burners with outfire protection and heat limit control
  • Oil heat system
  • Electronically actuated emulsion tank hand rails
  • Washdown system with pump and hose, self-winding hose reel
  • Loading hose, 3” x 15’ flexible steel with quick couplers
  • Loading hose, 3” x 15’ rubber with quick couplers
  • Hose trough for loading hose
  • LED working lights, qty 4
  • Beacon light
  • Frame mounted toolbox
  • Extra fender mounted toolbox
  • Wet storage box
  • Full width mud flap
  • Hot oil option
  • Electric overnight heat, 240V single phase
  • Radar horn in lieu of GPS
  • Nozzle selection

*Price, if shown, is Manufacturer's Suggested Retail Price (MSRP) and does not include government fees, taxes, dealer freight/preparation, dealer document preparation charges or any finance charges (if applicable). MSRP and/or final actual sales price will vary depending on options or accessories selected.