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RA400
RA400
RA400
RA400
RA400
RA400
RA400
RA400
RA400
RA400

ROSCO — RA400 — PATCHER

The ultimate output of the RA-400, which is capable of correcting over 200 road defects in a single day by a single individual, has been deployed by contractors looking to maximize productivity while finding a cost-effective patching solution. The driver operated joystick performs a four-step spray injection process typically in less than one minute per repair. Including one of the largest emulsion tanks available in the market, the RA-400 patching boom extends and retracts providing a wide patching range with minimal required maintenance.

OPTIONAL EQUIPMENT:

• Back-up/reverse camera with in-cab color display

• LED lights in the 30” x 60” (.76 x 1.5 m) arrow board, 13 light

• Larger arrow board 48” x 96” (1.2 x 2.4 m)

• LED night working light package, 2 front, 1 rear

• LED lights, stop, turn signals and tail lights

• 240V heater conversion in lieu of 120V

• Emergency triangle kit, flare, fire extinguisher

• Jet flush system

KEY FEATURES:

• One man operation

• Wide easy loading rock hopper

• Patch-on-the-go system

• Computerized material application rate control

JOB APPLICATION:

• Road repair

• Pothole patching

• Shoulder erosion

• Alligator cracking repair

Similar models may be shown in addition to the featured model. Equipment may be shown with options. Specifications are subject to change without prior notice.


Specifications

Chassis - Cab-over:
Peterbilt 220 (or equivalent)
Chassis - Cab-to-axle:
153” (3.88 m)
Chassis - Engine:
240 hp (179 kw) @ 2,400 rpm diesel engine
Chassis - Front axle:
12,000 lbs (5,443 kg)
Chassis - GVWR:
33,000 lbs (14,969 kg)
Chassis - Rear axle:
21,000 lbs (9,525 kg), rear springs rated for 23,000 lbs (10,433 kg)
Chassis - Wheelbase:
164” (4.165 m)
Dimensions - Height:
10’ (3 m)
Dimensions - Length:
28’ (8.5 m) with boom retracted | 38’ 5” (11.7 m) with boom fully extended
Dimensions - Weight:
18,000 lbs (8,164 kg) with standard chassis
Dimensions - Width:
8’ 6” (2.59 m)
Other Details - Aggregate System:
Low profile, 5 cubic yard (3.82 cubic m) hopper, or 11,000 lbs (4,990 kg) | Rectangular welded 10’ 3” x 7’ (3.12 x 2.13 m) aggregate hopper | In-cab controlled vibration system | Dual electric over hydraulic activated hopper lids, rear access open/close swtich | Cab controlled adjustable, feed slide gate meters aggregate flow | System will accept aggregates up to .75” (19 mm) | Plus+1 system store settings: rock flow, emulsion flow and air flow VORTEC: Vacuum Operated Rock Transfer Emulsion Coating system - System utilizes no mechanical or moving parts to move aggregate - Ease of access to clean and service the slide gate and sub systems - Conveyors and/or paddle feeders are NOT acceptable - Venturi nozzle with cleanout
Other Details - Air System:
High volume, low pressure. Positive displacement blower driven by truck hydraulics motor | Capable of 850 cfm @ 2,850 rpm | Hydraulically-driven blower with variable CFM from 0-850
Other Details - Asphalt Emulsion Feed and Flush System:
Air pressurized system to deliver sufficient asphalt to completely cover aggregate at full feed capacity | Delivery system capable of maintaining 60 psi | Flush system 30 gallon (113.5 l) minimum capacity with provisions for storing used flush material | Asphalt tank is equipped with a three-way valve for flush, delivery and shut-off
Other Details - Auxiliary Engine:
Output (gross intermittent): 65 hp (48.4 kw) @ 2,600 rpm | Tier 4 Final, naturally aspirated 4 cylinder Kubota diesel engine | In-cab aux engine controls at operator’s station with tachometer, hour meter and warning system Engine info: - Bore: 3.43 in (87 mm) - Stroke: 4.33 in (110 mm) - Displacement: 159.5 cubic in (2.615 l) - Fuel consumption: 4.54 gallons per hour (17.18 l per hour)@ max torque - Alternator: 60 amp
Other Details - Hydraulics:
Dual hydraulic pump | 28 gallons per minute (105.9 l per minute) for blower function | 9 gallons per minute (34 l per minute) for all other functions driven from auxiliary engine | Hydraulic tank reservoir: 20 gallons (75.7 l)
Other Details - Liquid Asphalt Emulsion Tank:
Insulated liquid asphalt emulsion tank | Overnight heating by two 4,500 watt, 240 volt thermostatically controlled heater elements, located in water heat exchanger tube | Alternate heat source provided to maintain heat on work site, regulated automatically to prevent over or under heating of materials | Asphalt line heated to prevent clogging during operation | Tank mounted 5” (127 mm) dial thermometer and emulsion level indicator both visible from cab | Tank size: 300 gallons (1,135.6 l) | Tank fill opening: 12” (305 mm)
Other Details - Patch (on the Go):
Electric hydraulic flow control for independent operation allows patching while moving at slow speeds
Other Details - Telescopic Boom:
Front-corner mount boom storage system | Eliminating windshield obstruction in stow position | One piece, double acting boom with three-stage telescoping aggregate delivery tube | Cable/hose carrier, heated water lines with individual nozzle shut-offs | Double acting swing and hoist hydraulic cylinders | Position censored safety system that does not allow boom swing into traffic beyond center line | Capable swing operations to shoulder and center with caution | Reach, retracted: 7’ 5” (2.3 m) | Reach, extended: 11’ 5” (3.5 m) | Patching area: 42 ft² (12.8 m²)
  • Specifications

    Specifications

    Chassis - Cab-over:
    Peterbilt 220 (or equivalent)
    Chassis - Cab-to-axle:
    153” (3.88 m)
    Chassis - Engine:
    240 hp (179 kw) @ 2,400 rpm diesel engine
    Chassis - Front axle:
    12,000 lbs (5,443 kg)
    Chassis - GVWR:
    33,000 lbs (14,969 kg)
    Chassis - Rear axle:
    21,000 lbs (9,525 kg), rear springs rated for 23,000 lbs (10,433 kg)
    Chassis - Wheelbase:
    164” (4.165 m)
    Dimensions - Height:
    10’ (3 m)
    Dimensions - Length:
    28’ (8.5 m) with boom retracted | 38’ 5” (11.7 m) with boom fully extended
    Dimensions - Weight:
    18,000 lbs (8,164 kg) with standard chassis
    Dimensions - Width:
    8’ 6” (2.59 m)
    Other Details - Aggregate System:
    Low profile, 5 cubic yard (3.82 cubic m) hopper, or 11,000 lbs (4,990 kg) | Rectangular welded 10’ 3” x 7’ (3.12 x 2.13 m) aggregate hopper | In-cab controlled vibration system | Dual electric over hydraulic activated hopper lids, rear access open/close swtich | Cab controlled adjustable, feed slide gate meters aggregate flow | System will accept aggregates up to .75” (19 mm) | Plus+1 system store settings: rock flow, emulsion flow and air flow VORTEC: Vacuum Operated Rock Transfer Emulsion Coating system - System utilizes no mechanical or moving parts to move aggregate - Ease of access to clean and service the slide gate and sub systems - Conveyors and/or paddle feeders are NOT acceptable - Venturi nozzle with cleanout
    Other Details - Air System:
    High volume, low pressure. Positive displacement blower driven by truck hydraulics motor | Capable of 850 cfm @ 2,850 rpm | Hydraulically-driven blower with variable CFM from 0-850
    Other Details - Asphalt Emulsion Feed and Flush System:
    Air pressurized system to deliver sufficient asphalt to completely cover aggregate at full feed capacity | Delivery system capable of maintaining 60 psi | Flush system 30 gallon (113.5 l) minimum capacity with provisions for storing used flush material | Asphalt tank is equipped with a three-way valve for flush, delivery and shut-off
    Other Details - Auxiliary Engine:
    Output (gross intermittent): 65 hp (48.4 kw) @ 2,600 rpm | Tier 4 Final, naturally aspirated 4 cylinder Kubota diesel engine | In-cab aux engine controls at operator’s station with tachometer, hour meter and warning system Engine info: - Bore: 3.43 in (87 mm) - Stroke: 4.33 in (110 mm) - Displacement: 159.5 cubic in (2.615 l) - Fuel consumption: 4.54 gallons per hour (17.18 l per hour)@ max torque - Alternator: 60 amp
    Other Details - Hydraulics:
    Dual hydraulic pump | 28 gallons per minute (105.9 l per minute) for blower function | 9 gallons per minute (34 l per minute) for all other functions driven from auxiliary engine | Hydraulic tank reservoir: 20 gallons (75.7 l)
    Other Details - Liquid Asphalt Emulsion Tank:
    Insulated liquid asphalt emulsion tank | Overnight heating by two 4,500 watt, 240 volt thermostatically controlled heater elements, located in water heat exchanger tube | Alternate heat source provided to maintain heat on work site, regulated automatically to prevent over or under heating of materials | Asphalt line heated to prevent clogging during operation | Tank mounted 5” (127 mm) dial thermometer and emulsion level indicator both visible from cab | Tank size: 300 gallons (1,135.6 l) | Tank fill opening: 12” (305 mm)
    Other Details - Patch (on the Go):
    Electric hydraulic flow control for independent operation allows patching while moving at slow speeds
    Other Details - Telescopic Boom:
    Front-corner mount boom storage system | Eliminating windshield obstruction in stow position | One piece, double acting boom with three-stage telescoping aggregate delivery tube | Cable/hose carrier, heated water lines with individual nozzle shut-offs | Double acting swing and hoist hydraulic cylinders | Position censored safety system that does not allow boom swing into traffic beyond center line | Capable swing operations to shoulder and center with caution | Reach, retracted: 7’ 5” (2.3 m) | Reach, extended: 11’ 5” (3.5 m) | Patching area: 42 ft² (12.8 m²)

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