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Hyundai R30Z-9AK Excavator


Net Power 23.2 hp (17.3 kW) at 2,350 rpm
Operating Weight 3,005 kg (6,625 Ibs)
Standard Bucket 0.08 m3 (0.09 yd3)

Performance

  • Kubota Tier 4 Final Engine
  • Boom Swing
  • Dozer Blade
  • Zero-Tail Swing

Convenience

  • Monitor
  • Suspension Seat
  • Ergonomic Controls & Switches
  • Cab Entry

Serviceability

  • Centralized Lubrication
  • Long-life Components
  • Easy Access
  • Durable Cooler

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Innovative

Innovative hydraulic system technologies make the 9AK series excavator fast, smooth and easy to control. 9AK series is designed for maximum performance to keep the operator working productively. Operating a 9AK series is unique to every operator. Operators can fully customize their work environment and operating preferences to fit their individual needs.

Reliable & Durable

Hyundai construction equipment is precision designed with trusted and proven components and systems from leading OEM’s. The R25Z-9AK is designed to be rugged and reliable for longer up time, reduced operating cost and improved productivity.

Engine & Hydraulic System

  1. Engine: Model
    Kubota D1305
  2. Engine: Type
    Water-cooled, 4-cycle diesel 4 cylinders in line, direct injection, low emission
  3. Engine: Max. torque
    8.3 kgf/m (60.17 ft/lbs) at 1,600 rpm
  4. Engine: Bore X stroke
    78 mm (3.07") x 88 mm (3.46")
  5. Engine: Piston displacement
    1,261 cc (76.9 in³ )
  6. Battery
    12 V - 80 Ah
  7. Starting motor
    12 V - 1.4 kW
  8. Alternator
    12 V - 40 Amp
  9. Main Pump: Type
    Variable-displacement piston pumps + gear pump
  10. Main Pump: Max flow
    2 x 27.6 ℓ/min + 19.6 ℓ/min
  11. Main Pump: Sub-pump for pilot circuit (Gear pump)
    10.4 ℓ/min (2.7 gpm)

Cross-Sensing & Fuel-Saving Pump System

  1. Hydraulic Motors - Travel
    Two-speed axial piston motor with counter balance valve and parking brake
  2. Hydraulic Motors - Swing
    Axial piston motor with automatic brake
  3. Relief Valve - Implement circuits
    240 kgf/cm² (3,410 psi)
  4. Relief Valve - Travel circuit
    220 kgf/cm² (3,130 psi)
  5. Relief Valve - Swing circuit
    170 kgf/cm² (2,240 psi)
  6. Relief Valve - Pilot circuit
    30 kgf/cm² (430 psi)
  7. Relief Valve - Service valve
    Installed
  8. Hydraulic Cylinders - No. of cylinders bore X stroke
    Boom: 75 X 565 mm (3.0" x 22.2")
    Arm: 70 X 500 mm (2.8" x 19.7")
    Bucket: 60 x 420 mm ( 2.4" x 16.5")
    Boom swing: 75 X 400 mm (3.0" x 15.7")
    Dozer blade: 95 X 140 mm (3.7"x 5.5")

Swing System

  1. Swing motor
    Axial piston motor
  2. Swing reduction
    Planetary gear reduction
  3. Swing bearing lubrication
    Grease-bathed
  4. Swing brake
    Wet disc
  5. Swing speed
    9.1 rpm

Travel System

  1. Max. travel speed (high) / (low)
    4.4 km/hr (2.8 mph) / 2.4 km/hr (1.5 mph)
  2. Maximum traction force
    2.4 ton
  3. Maximum gradeability
    30°
  4. Parking brake
    Wet disc

Controls

  1. Pilot control
    Two joysticks with one safety lever
    (LH): Arm swing, Boom swing
    (RH): Boom and bucket with horn (ISO)
  2. Engine throttle
    Mechanical, cable type

Weight (Approximate)

  1. Operating weight (cab)
    3,005 kg (6,625 lb)
  2. Ground pressure (cab)
    0.27 kg/cm² (3.84 psi)

Coolant and Lubricant Capacities (Refilling)

  1. Fuel tank
    30L (7.9 gal)
  2. Engine coolant
    5.0L (1.1 gal)
  3. Engine oil
    5.9L (1.6 gal)
  4. Hydraulic tank
    27L (7.1 gal)

Undercarriage

  1. Center frame
    X - leg type
  2. Track frame
    Pentagonal box type
  3. No. of carrier roller on each side
    1
  4. No. of track roller on each side
    4

Dimensions - mm (ft-in)

  1. A - Overall width of upper structure
    1,485 (4' 10")
  2. B - Overall width of cab
    1,050 (3' 5")
  3. C - Overall height of cab
    2,500 (8' 2")
  4. D - Tail swing radius with counterweight
    875 (2' 10")
  5. E - Overall width
    1,550 (5' 1")
  6. F - Clearance under counterweight
    510 (1' 9")
  7. G - Ground clearance
    290 (11")
  8. H - Tumbler distance
    1,550 (4' 11")
  9. I - Track length
    1,970 (6' 6")
  10. J - Track gauge
    1,250 (4' 1")
  11. K - Track shoe width
    300 (1' 0")
  12. L - Overall length
    1,120-mm Arm 4,180 (13' 9") | 1,350-mm Arm 4,220 (13' 10")

Working Range - mm (ft-in)

  1. Boom length
    2,030 (6' 8")
  2. Arm length
    1,120 (3' 8") | 1,350 (4' 5")
  3. A - Max. digging reach
    4,650 (15' 3") | 4,860 (15' 11")
  4. A1 - Max. digging reach on ground
    4,515 (14' 10") | 4,735 (15' 6")
  5. B - Max. digging depth
    2,500 (8' 2") | 2,720 (8' 11")
  6. C - Max. vertical wall digging depth
    2,085 (6' 10") | 2,310 (7' 7")
  7. D - Max. digging height
    4,270 (14' 0") | 4,405 (14' 5")
  8. E - Max. dumping height
    2,890 (9' 6") | 3,030 (9' 11")
  9. F - Min. swing radius
    2,055 (6'9") | 2,090 (6'10")