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DUX DS30RB Scaler
DS30RB Features
Proven in the field for 15 years, DUX DS series scalers are cost efficient, reliable, high production machines designed to safely and efficiently scale loose rock from up to 30 foot (9.14 meter) high tunnel backs and ribs.
Accurate tool placement is assured by the 360° tool rotation /tilt head and a variety of boom actions controlled by two pilot operated joysticks. The heavy-duty articulated four-wheel drive chassis and retractable stabilizers offer a stable base for the telescopic scaling boom that swings 45° to either side and extends nine feet (2.74 meters) for maximum work area coverage.
Fully equipped, pressurized, noise suppression FOPS operator's comfort cab with 1-foot 6-inch (0.46 meter) hydraulic elevating feature for maximum visibility. Hydraulically operated pilot joystick controls for scaling boom and tool functions located on arm rests of captain's seat.
DUX Scalers are available with interchangeable mechanical tooth and optional hydraulic hammer with chisel tool, as well as optional dozer blade for clearing muck and rock debris.
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DS30RB Technical Specifications
Dimensions Turning Radius Boom Ranges Work Area
Weight Carrier Engine Transmission
Axles Brakes Tires Steering
Oscillation Stabilizers Boom Scaling Tool
Op. Station Hydraulics Tanks Electrical
Standard Fea. Options
Overall Tramming Dimensions
Length (with optional water tank) 41'-8" 12 700 mm
Width 8'-4" 2 540 mm
Height 8'-8" 2 640 mm
Wheelbase 12'-2" 3 710 mm
Ground clearance 14" 355 mm
Turning Radius
Inside 12'-7" 3 835 mm
Outside with boom swung 21'-6" 6 550 mm
Outside with boom straight 28'-6" 8 690 mm
Angle of turning radius 40°
Maximum Operating Ranges for Scaling Boom
Boom extension 9'-0" 2 745 mm
Maximum back reach with scaling 30'-0" 9 145 mm
Boom lift angle 55°
Boom swing angle 2 x 50° Total of 100°
Work Area Coverage with Hydraulic Hammer
Back Height Area Coverage
ft m ft2 m2
15 4.57 398 37.0
20 6.09 404 37.5
25 7.62 406 37.7
30 9.14 268 24.9
Weight
Machine weight, approx. 47,070 lbs. 21 350 kg
Carrier
- Extra heavy-duty DUX articulated carrier
Engine Up
Make Deutz
Model BF4M-1013EC
Power 156 HP (116 kW) @ 2300 rpm
Cylinders 4
Aspiration Turbocharged, after cooled
Displacement 290 in3 (4.76 L)
Starter 24 volt electric
Air intake cleaner Donaldson two-stage dry-type with service gauge
Exhaust system Catalytic purifier with integrated silencer
Cooling Liquid with air intercooling
MSHA part 7-B vent rate 8 500 CFM (241 m3/min)
Engine Air Intake/Exhaust Photo shows Donaldson two-stage air intake cleaner with service indicator, engine, as well as catalytic exhaust purifier with integrated silencer and removable heat and noise suppression blanket.
Powershift Transmission Up
Make Dana SOH
Model Long drop, 24000 series with integrated torque converter and flex plate drive
Speeds in forward/reverse 3
Axles
- Heavy-duty, hi traction differential with planetary wheel ends
on front and rear
Brakes
Service 4-wheel disc brakes
Emergency/Parking Fail-safe spring applied hydraulic release disc system with Automatic Brake Applicator
Tires
- 12.00R24, 20 ply
Steering
- Articulated frame hydraulic power steering, Orbitol valve-type with steering wheel, cushion valve and constant flow meter
- Two double-acting steering cylinders
- + 40° steering angle each way for a total of 80°
Oscillation
- + 10° center of oscillation for a total of 20°
- Engine side axle, cradle mounted
Stabilizers
- Two totally enclosed boom-side stabilizers with safety locks
Scaling Boom Assembly
- Extra heavy-duty with field-proven, long-life Quality roller tracking system
Quality Machine Works Boom Roller Arrangement and Adjustable Scrapers Left photo shows roller tracking system.

Right photo shows adjustable scrapers and rock deflector.
- Cylinders, double acting with safety lock valves, with the following bores:
Lift cylinder bore 8" 203 mm
Swing cylinder bore 6" 152 mm
Extension cylinder bore 4" 102 mm
Tool tilt cylinder bore 5" 127 mm
Scaling Tool Up
- Hydraulic positive lock 360° tool rotary actuator with large diameter sealed outboard roller bearing
Rotary Actuator Photo shows extra heavy-duty 360° rotary actuator for scaling tool supported with large diameter, long-life bearing.
- Mechanical tooth with tool tilt cylinder with nitrized cylinder rod
- Impact resistant rugged, replaceable Esco tooth
- Quick connector hydraulic and water mist spray hoses for fast change to optional hydraulic hammer
Operator's Station
- Fully equipped pressurized noise suppression insulated operator's FOPS cab with 18 " (457 mm) hydraulic elevating feature for excellent visibility while scaling
- Large sized with instruments in good view and controls for driving and scaling boom operation located within easy reach of operator
- Fully adjustable captain's seat with joystick pilot control valves (2) for scaling boom and tool action built into fronts of arm rests
- For maximum safety, operator is protected by bullet proof Lexan glass front window with ad on outer safety glass, and removable round steel bar front protector. Cab also has an emergency exit window.
- 83 dBa noise level at maximum engine throttle inside Klima control operator's cab for maximum comfort.
DUX DS30RB Scaler Operator's Station Interior
DUX DS30RB Scaler Operator's Station Interior
DUX DS30RB Scaler Operator's Station DUX DS30RB Scaler Operator's Station
Top and bottom far-left photos show cab in lowered and elevated position.

Top right photo shows cab interior.





Middle bottom photo shows removable steel bar protection, high-intensity halogen lights and heavy-duty windshield wiper with spray washer.

Bottom right photo shows rear mounted air conditioning unit.
Hydraulic System Up
System pressure 2500 PSI (172 bar)
Filters:
Suction 125 mesh
Inline high pressure 10 micron with service gauge
Hoses 3/4" inside diameter and over, 4-spiral wire braid with crimped hose end swivel fittings, hose bulk-head located mid-ship
Quality Machine Works Boom Roller Arrangement and Adjustable Scrapers Left photo shows large sized main hydraulic tank and easy access to well protected hydraulic in-line pressure filters and valves.

Right photo shows boom pedestal with high pressure filter, main hydraulic sectional pilot operated boom control valve bank with manual override hand levers and hammer pilot control valve.
Tank Capacities
Hydraulic oil 175 gallons 660 L
Fuel 45 gallons 170 L
Electrical System
- 24 volt system
- 60 amp marine-type alternator with integrated sealed voltage regulator
- Main electric cut off switch
- Heat resistant, waterproof, sealed electric Pamflex wire harness
- Sealed junction box and stainless steel instrument panel and sealed box with sealed multi-pole connectors
- Semi-automatic circuit breakers
- Front (10) and rear (2) halogen high-intensity lights, shock mounted, with necessary switches and protection
- Two heavy-duty batteries
- Signal horn and audible, adjustable back-up alarm
Standard Features Up
- Clean MSHA approved Deutz engine
- Retractable seat-belt
- Hydraulic oil cooler
- Heavy-duty telescopic scaler boom with long life Quality roller tracking system and adjustable scraper seals
- Water spray mist for dust suppression whilst scaling
Water Sprayer Water Tank Left photo shows adjustable water sprayer for dust control whilst scaling, standard on all scalers.

Right photo shows optional 500 liter water tank with pressure booster pump, well protected against impact.
- Skid pans that protect drivelines and powertrain
- Elevating operator's station, fully equipped cab including climate control, wiper/windshield washer
- Non-slip coverage on service access areas as required
- Wheel guards
Options
- Caterpillar or Detroit engines
- Totally enclosed 4-wheel multi-disc liquid cooled "StopMaster" brake system with spring applied, hydraulically released 4-wheel emergency/parking brake and Automatic Brake Applicator
- Hydraulic hammer
- Hydraulically operated dozer blade
- 132 gal (500 L) stainless steel water tank with booster water pump and spray nozzle for dust control
- Engine side stabilizers (2)
- Automatic lubrication system
- Fire suppression system
- FOPS canopy protection only, instead of totally enclosed cab
- Dozer blade
- Remote control
- For more information on this product, other options or custom-built equipment; please contact us or submit appropriate questionnaire form
Specifications subject to change without notice
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DUX Machinery Corporation