ARX 91 TIER 3

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The ARX 91 is a 9-tonne class Articulated Tandem Roller. A powerful, two-stage vibratory system – combined with drum dimensions and multiple amplitude and frequency settings – provides productivity and flexibility in both soil and asphalt applications. The varied settings enable compaction of loose sub-base materials, such as gravel, as well as asphalt lifts, including thick layers. A unique propulsion system provides the smooth starts and stops needed when working on asphalt. The machine’s high centrifugal force enables compaction goals to be met in minimal passes.

The location of the engine in the rear of the roller is another advantage. This placement helps drive vibration away from the operator and toward the compaction target. It also improves visibility and redirects heat from the operator, thereby increasing comfort. A large water tank (1000 litres) minimises the need for refills.

The machine is efficient and its electronic joystick controls are intuitive, helping even inexperienced operators succeed. A tight turning radius enables operator an improved control and manoeuvrability.

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Overview

  • Thrives in multiple applications thanks to its drum dimensions, frequencies and amplitudes
  • Offers a higher compaction output in fewer number of passes
  • Unique propulsion system enables smooth starts/stops
  • Optional Ammann Compaction Expert (ACE) Intelligent Compaction system
  • Ergonomically designed operator station with excellent visibility and shielded from heat coming off the engine
  • Clear, reliable dashboard with all controls within operator reach
  • A large water tank (1000 litres) minimises the need for refills
  • Ground access to all service and maintenance points
  • Self-lubricating bearings

DIMENSIONS Metric
A = MACHINE LENGTH 4720 mm
B = WHEELBASE 3475 mm
C = MACHINE HEIGHT WITH CANOPY 3000 mm
D = MACHINE HEIGHT (REMOVED CANOPY) 2350 mm
E = DRUM WIDTH 1700 mm
F = MACHINE WIDTH 1818 mm
H = GROUND CLEARANCE 290 mm
I = DRUM DIAMETER 1220 mm
J = DRUM SHELL THICKNESS 17 mm
MISCELLANEOUS
DRIVE SYSTEM Axial piston pump – closed loop
VIBRATION SYSTEM Axial piston pump – closed loop
STEERING SYSTEM Gear pump
BRAKES OPERATING Hydrostatic
BRAKES PARKING SAHR (Spring Applied Hydraulically Released)
FUEL TANK CAPACITY 200 l
WATER TANK CAPACITY 1000 l
HYDRAULIC TANK CAPACITY 52 l
BATTERY VOLTAGE 12 V
BATTERY RATING 130 AH
ENGINE
MANUFACTURER Cummins 4B3.3TAA-60-C
POWER ACCORDING TO ISO 3046-1 60 kW (80 HP) @ 2200 rpm
NO. OF CYLINDERS 4
TYPE OF COOLING Water
EMISSION REGULATIONS BS-III/ Tier 3/ Stage 3A
WEIGHT & DRIVING CHARACTERISTIC
OPERATING WEIGHT 9200 kg
WEIGHT ON FRONT DRUM 4645 kg
WEIGHT ON REAR DRUM 4555 kg
STATIC LINEAR LOAD, FRONT 27.3 kg/cm
STATIC LINEAR LOAD, REAR 26.8 kg/cm
TRANSPORT SPEED (MAX) 12 km/h
WORKING SPEED (MAX) 7 km/h
CLIMBING ABILITY 40%
TURNING RADIUS INNER (EDGE) 4650 mm
CURB CLEARANCE 691 mm
STEERING ANGLE ±35°
OSCILLATION ANGLE ±10°
COMPACTION FORCES
FREQUENCY (LOW) 42 Hz
FREQUENCY (HIGH) 55 Hz
AMPLITUDE (LOW) 0.35 mm
AMPLITUDE (HIGH) 0.7 mm
CENTRIFUGAL FORCE (LOW) 67 kN
CENTRIFUGAL FORCE (HIGH) 78 kN
STANDARD EQUIPMENT
  • Open driver’s platform with protection
    against vandalism
  • Fixed steering column
  • Sliding operator’s station
  • Single driver lever
  • Pressurized sprinkling system
  • Front head light & rear work light
  • Fixed scrapers
  • 2 amplitudes 2 frequencies
  • Hydrostatic drive front and rear drums
OPTIONAL EQUIPMENT
  • Suspended, rotating seat
  • Adjustable steering column
  • Dual drive lever
  • Hard canopy with rails
  • ACE (Ammann Compaction Expert)
  • Asphalt thermometer
  • Edge Cutter
  • Fire extinguisher
  • Warning beacon
  • Biodegradable hydraulic oil
  • Customer color scheme
  • Toolkit
  • Service kit for 500 hours

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