Hyundai R55-9A Excavator
Net Power | 65.1 hp (48.5 kW) at 2,400 rpm |
Operating Weight | 5,650 kg (12,460 Ibs) |
Standard Bucket | 0.18 m3 (0.24 yd3) |
Performance
- Yanmar Tier 4 Final Engine
- Boom Swing
- Dozer Blade
- Standard Tail Swing
Convenience
- Monitor
- Suspension Seat
- Ergonomic Controls & Switches
- Cab Entry
Serviceability
- Centralized Lubrication
- Long-life Components
- Easy Access
- Durable Cooler
Overview
Operating a 9A series is unique to every operator. Operators can fully customize their work environment and operating preferences to fit their individual needs. 9A series is designed for maximum performance to keep the operator working productively.
Reliable & Durable
Hyundai construction equipment is precision designed with trusted and proven components and systems from leading OEM’s. The R55-9A is designed to be rugged and reliable for longer up time, reduced operating cost and improved productivity.
Engine & Hydraulic System
- Engine: ModelYANMAR 4TNV98C
- Engine: TypeWater-cooled, 4-cycle diesel 4 cylinders in line, direct injection, low emission
- Engine: Max. torque24 kgf. m (173.6 lbf. ft) at 1,560 rpm
- Engine: Bore X stroke98 mm (3.85") x 110 mm (4.33")
- Engine: Piston displacement3,319 cc (203 in3 )
- Battery1 x 12 V x 100 Ah
- Starting motor12 V - 3.0 kW
- Alternator12 V - 60 Amp
- Main Pump: TypeTwo variable displacement piston pumps + gear pump
- Main Pump: Max flow2 X 57.8 ℓ/min (15.3 gpm) pumps + 38.4 ℓ/min (10.1 gpm) at 2,100 rpm
- Main Pump: Sub-pump for pilot circuit (Gear pump)9.5 ℓ/min (2.5 gpm)
Cross-Sensing & Fuel-Saving Pump System
- Hydraulic Motors - TravelTwo speed axial piston motor with counter balance valve and parking brake
- Hydraulic Motors - SwingAxial piston motor with automatic brake
- Relief Valve - Implement circuits240 kgf/cm2 (3,410 psi)
- Relief Valve - Travel circuit220 kgf/cm2 (3,130 psi)
- Relief Valve - Swing circuit220 kgf/cm2 (3,130 psi)
- Relief Valve - Pilot circuit30 kgf/cm2 (430 psi)
- Relief Valve - Service valveInstalled
- Hydraulic Cylinders - No. of cylinders bore X strokeBoom: 1-110 x 715 mm (4.3” x 28.1”)
Arm: 1-90 x 850 mm (3.5” x 33.5”)
Bucket: 1-80 x 660 mm (3.1” x 26.0”)
Boom swing: 1-95 x 527 mm (3.7” x 20.7”)
Dozer blade: 110 x 219 mm (4.3" x 8.8")
Travel System
- Drive methodFull hydrostatic type
- Drive motorAxial piston motor, in-shoe design
- Reduction system2-stage planetary
- Max. drawbar pull5,300 kgf (11,700 lbf)
- Max. travel speed (high) / (low)4.2 km/hr (2.6 mph) / 2.2 km/hr (1.4 mph)
- Gradeability35° (70%)
- Parking brakeMulti-wet disc
Swing System
- Swing motorAxial piston motor
- Swing reductionPlanetary gear reduction
- Swing bearing lubricationGrease-bathed
- Swing brakeMulti wet disc
- Swing speed9.1 rpm
Controls
- Pilot controlTwo joysticks with one safety lever
(LH): Arm swing, Boom swing
(RH): Boom and bucket (ISO) - Traveling and steeringTwo levers with pedals
- Engine throttleElectric, dial type
Weight (Approximate)
- Operating weight (cab)5,750 kg (12,570 lb)
- Ground pressure (cab)0.33 kg/cm2 (4.69 psi)
Coolant and Lubricant Capacities (Refilling)
- Fuel tank120L (31.7 gal)
- Engine coolant9.5L (2.5 gal)
- Engine oil11.6L (3.1 gal)
- Swing device - gear oil1.5L (0.4 gal)
- Final drive (each)1.2L (0.3 gal)
- Hydraulic tank70L (18.5 gal)
- Hydraulic system120L (31.7 gal)
Undercarriage
- Center frameX - leg type
- Track framePentagonal box type
- No. of track shoes on each side40
- No. of upper rollers on each side1
- No. of lower rollers on each side5
Dimensions mm (ft-in)
- A - Overall height of cab2,550 (8' 4")
- B - Tail swing radius1,650 (5' 5")
- C - Tumbler distance1,990 (6' 6")
- D - Overall length5,600 (18' 4")
- E - Track shoe widthSteel: 380 (1' 3") | Rubber: 400 (1' 4")
- F - Track gauge1,600 (5' 3")
- G - Overall width2,000 (6' 7")
- H - Ground clearance380 (1' 3")
- 115 kg (255 lb) BucketCapacity SAE Heaped: 0.07 m3 (0.09 yd3 )
Capacity CECE Heaped: 0.06 m3 (0.08 yd3 )
Width without side cutters: 315 mm (12.4")
Width with side cutters: 360 mm (14.2") - 170 kg (375 lb) BucketCapacity SAE Heaped: 0.18 m3 (0.24 yd3 )
Capacity CECE Heaped: 0.15 m3 (0.20 yd3 )
Width without side cutters: 670 mm (26.4")
Width with side cutters: 740 mm (29.1")
Working Range mm (ft-in)
- Boom length3,000 (9' 10")
- Arm length1,600 (5' 3") | 1,900 (6' 3")
- A - Max. digging reach6,150 (20' 2") | 6,400 (20' 1")
- A1 - Max. digging reach on ground6,010 (19' 9") | 6,270 (20' 7")
- B - Max. digging depth3,820 (12' 6") | 4,060 (13' 4")
- B1 - Max. digging depth (8 ft)3,420 (11' 3") | 3,700 (12' 2")
- C - Max. vertical wall digging depth3,200 (10' 6") | 3,460 (11' 4")
- D - Max. digging height5,780 (18' 12") | 5,920 (19' 5")
- E - Max. dumping height4,050 (13' 3") | 4,180 (13' 9")
- F - Min. swing radius2,350 ( 7' 9") | 2,360 ( 7' 9")
- G - Tail swing radius1,650 (5' 5") | 1,650 (5' 5")