2-1. Specitications
2-1. Specitications
1. MAJOR COMPONENT
Boom swing cylinder Tool box Swing motor Fuel tank Hydraulic tank
Main pump
Engine
Radiator
Oil cooler
Arm Arm cylinder Boom Boom cylinder Swing post Cab Muffler(RH)
Counterweight
Swing bearing
Idler
Sprocket
Side cutter Track
Carrier roller Travel motor
Control link Track roller
Bucket cylinder Control rod Dozer blade
30Z9AK2SP01
2-1
2. SPECIFICATIONS
1) 2.03 m ( 6' 8") MONO BOOM, 1.12 m ( 3' 8") ARM, WITH BOOM SWING POST
I(I')
C
E
P
H
F
O
J
N
Q
K M
B(L)
A
30Z9AK2SP02
2-2
3. WORKING RANGE
1) 2.03 m (6' 8") MONO BOOM WITH BOOM SWING POST
A
A'
F
D
C E
B
30Z9AK2SP03
2-3
4. WEIGHT
Item kg lb
Upperstructure assembly 1640 3620
Main frame weld assembly 310 684
Engine assembly 136 300
Main pump assembly 19 42
Main control valve assembly 25 55
Swing motor assembly 34 75
Hydraulic oil tank assembly 35 77
Fuel tank assembly 15 33
Boom swing post 80 180
Counterweight 230 507
Cab assembly 210 460
Lower chassis assembly 910 2010
Track frame weld assembly 400 880
Swing bearing 50 110
Travel motor assembly 36 80
Turning joint 11 24
Track recoil spring 14 31
Idler 21 45
Carrier roller 3 7
Track roller 10 22
Sprocket 7 15
Rubber track (300 mm) 149 328
Dozer blade assembly 125 275
Front attachment assembly
330 730
(2.03 m boom, 1.12 m arm, 0.08 m3 SAE heaped bucket)
2.03 m boom assembly 94 207
1.12 m arm assembly 54 119
0.08 m3 SAE heaped bucket 62 137
Boom cylinder assembly 26 57
Arm cylinder assembly 26 57
Bucket cylinder assembly 20 44
Bucket control link assembly 20 45
Dozer cylinder assembly 24 53
Boom swing cylinder assembly 23 51
2-4
5. LIFTING CAPACITIES
2-5
Model Type Boom Arm Counterweight Shoe Wheel Dozer Outtriger
Length [mm] Length [mm] weight [kg] width [mm] width [mm] Front Rear Front Rear
R30Z-9AK Cabin
2030 1120 220 250 - Down - - -
2-6
Model Type Boom Arm Counterweight Shoe Wheel Dozer Outtriger
Length [mm] Length [mm] weight [kg] width [mm] width [mm] Front Rear Front Rear
R30Z-9AK Canopy
2030 1120 220 250 - Up - - -
2-7
Model Type Boom Arm Counterweight Shoe Wheel Dozer Outtriger
Length [mm] Length [mm] weight [kg] width [mm] width [mm] Front Rear Front Rear
R30Z-9AK Cabin
2030 1120 220 250 - Up - - -
2-8
Model Type Boom Arm Counterweight Shoe Wheel Dozer Outtriger
Length [mm] Length [mm] weight [kg] width [mm] width [mm] Front Rear Front Rear
R30Z-9AK Canopy
2030 1120 350 250 - Down - - -
2-9
Model Type Boom Arm Counterweight Shoe Wheel Dozer Outtriger
Length [mm] Length [mm] weight [kg] width [mm] width [mm] Front Rear Front Rear
R30Z-9AK Cabin
2030 1120 350 250 - Down - - -
2-10
Model Type Boom Arm Counterweight Shoe Wheel Dozer Outtriger
Length [mm] Length [mm] weight [kg] width [mm] width [mm] Front Rear Front Rear
R30Z-9AK Canopy
2030 1120 350 250 - Up - - -
2-11
Model Type Boom Arm Counterweight Shoe Wheel Dozer Outtriger
Length [mm] Length [mm] weight [kg] width [mm] width [mm] Front Rear Front Rear
R30Z-9AK Cabin
2030 1120 350 250 - Up - - -
2-12
Model Type Boom Arm Counterweight Shoe Wheel Dozer Outtriger
Length [mm] Length [mm] weight [kg] width [mm] width [mm] Front Rear Front Rear
R30Z-9AK Canopy
2030 1350 220 250 - Down - - -
2-13
Model Type Boom Arm Counterweight Shoe Wheel Dozer Outtriger
Length [mm] Length [mm] weight [kg] width [mm] width [mm] Front Rear Front Rear
R30Z-9AK Cabin
2030 1350 220 250 - Down - - -
2-14
Model Type Boom Arm Counterweight Shoe Wheel Dozer Outtriger
Length [mm] Length [mm] weight [kg] width [mm] width [mm] Front Rear Front Rear
R30Z-9AK Canopy
2030 1350 220 250 - Up - - -
2-15
Model Type Boom Arm Counterweight Shoe Wheel Dozer Outtriger
Length [mm] Length [mm] weight [kg] width [mm] width [mm] Front Rear Front Rear
R30Z-9AK Cabin
2030 1350 220 250 - Up - - -
2-16
Model Type Boom Arm Counterweight Shoe Wheel Dozer Outtriger
Length [mm] Length [mm] weight [kg] width [mm] width [mm] Front Rear Front Rear
R30Z-9AK Canopy
2030 1350 350 250 - Down - - -
2-17
Model Type Boom Arm Counterweight Shoe Wheel Dozer Outtriger
Length [mm] Length [mm] weight [kg] width [mm] width [mm] Front Rear Front Rear
R30Z-9AK Cabin
2030 1350 350 250 - Down - - -
2-18
Model Type Boom Arm Counterweight Shoe Wheel Dozer Outtriger
Length [mm] Length [mm] weight [kg] width [mm] width [mm] Front Rear Front Rear
R30Z-9AK Canopy
2030 1350 350 250 - Up - - -
2-19
Model Type Boom Arm Counterweight Shoe Wheel Dozer Outtriger
Length [mm] Length [mm] weight [kg] width [mm] width [mm] Front Rear Front Rear
R30Z-9AK Cabin
2030 1350 350 250 - Up - - -
2-20
6. BUCKET SELECTION GUIDE
0.08 m3 SAE
heaped bucket
Recommendation
Capacity Width
2.03 m (6' 8") boom
Weight
SAE CECE Without With
1.12 m (3' 8") arm
heaped heaped side cutter side cutter
0.08m3 0.06 m3 450 mm 510 mm 60 kg Applicable for materials with density of 1600 kgf/m 3
(0.10 yd3) (0.08 yd3) (17.7") (20") (132 lb) (2700 lb /yd3) or less
2-21
7. UNDERCARRIAGE
(1) TRACKS
X-leg type center frame is integrally welded with reinforced box-section track frames. The design
includes dry tracks, lubricated rollers, idlers, sprockets, hydraulic track adjusters with shock
absorbing springs and assembled track-type tractor shoes with triple grousers.
(2) TYPES OF SHOES
Rubber track
Model Shapes
Cab Canopy
Shoe width mm (in) 300 (12") 300 (12")
Operating weight kg (lb) 3005 (6620) 2895 (6380)
R30Z-9AK
Ground pressure kgf/cm2 (psi) 0.29 (4.12) 0.27 (3.84)
Overall width mm (ft-in) 1550 ( 5' 1") 1550 ( 5' 1")
2-22
8. SPECIFICATIONS FOR MAJOR COMPONENTS
1) ENGINE
Item Specification
Model Kubota D1305
Type 4-cycle vertical overhead valve, diesel fuel
Cooling method Water cooling
Number of cylinders and arrangement 3 cylinders, in-line
Firing order 1-2-3
Combustion chamber type Swirl chamber type
Cylinder boreÝstroke 78Ý88 mm (3.07"Ý3.46")
Piston displacement 1261 cc (77.0 cu in)
Compression ratio 24 : 1
Rated gross horse power (SAE J1995) 24.9 Hp at 2400 rpm (18.5 kW at 2400 rpm)
Maximum torque at 1600 rpm 8.3 kgfÂm (60.0 lbfÂft)
Engine oil quantity 5.7˶(1.5 U.S. gal)
Dry weight 102 kg (225 lb)
High idling speed 2350佳50 rpm
Low idling speed 1400佳50 rpm
Rated fuel consumption 192 g/HpÂhr at 2400 rpm (257 g/kWÂhr at 2400 rpm)
Starting motor 12V-1.4 kW
Alternator 12V-40 A
Battery 1Ý12 VÝ58 Ah (5h rating)
2) MAIN PUMP
Item Specification
Type Variable displacement tandem axis piston pumps
Capacity 2Ý12 cc/rev
Rated oil flow 2Ý27.6˶/min (7.3 U.S. gpm / 6.1 U.K. gpm)
Rated speed 2300 rpm
2-23
3) GEAR PUMP
Item Specification
Type Fixed displacement gear pump single stage
Capacity 8.5/4.5 cc/rev
Rated oil flow 19.6/10.4˶min (5.2/2.7 U.S. gpm / 4.3/2.3 U.K. gpm)
5) SWING MOTOR
Item Specification
Type Fixed displacement axial piston motor
Capacity 12.5 cc/rev
Relief pressure 170 kgf/cm2 (2420 psi)
Braking system Automatic, spring applied hydraulic released
Braking torque 7.0 kgfÂm (50.6 lbfÂft)
Brake release pressure 25~50 kgf/cm2 (356~710 psi)
Reduction gear type 2 - stage planetary
6) TRAVEL MOTOR
Item Specification
Type Variable displacement axial piston motor
Relief pressure 220 kgf/cm2 (3130 psi)
Reduction gear type 2-stage planetary
Braking system Automatic, spring applied hydraulic released
Brake release pressure 19 kgf/cm2 (270 psi)
Braking torque 5.7 kgfÂm (41 lbfÂft)
2-24
7) CYLINDER
Item Specification
Bore diaÝRod diaÝStroke ͚75Ý͚45Ý565 mm
Boom cylinder
Cushion Extend only
Bore diaÝRod diaÝStroke ͚70Ý͚45Ý500 mm
Arm cylinder
Cushion Extend and retract
Bore diaÝRod diaÝStroke ͚55Ý͚35Ý420 mm
Bucket cylinder
Cushion -
Bore diaÝRod diaÝStroke ͚75Ý͚40Ý400 mm
Boom swing cylinder
Cushion -
Bore diaÝRod diaÝStroke ͚95Ý͚50Ý140 mm
Dozer cylinder
Cushion -
ö Discoloration of cylinder rod can occur when the friction reduction additive of lubrication oil spreads on
the rod surface.
ö Discoloration does not cause any harmful effect on the cylinder performance.
8) BUCKET
Capacity Tooth Width
Item
SAE heaped CECE heaped quantity Without side cutter With side cutter
Standard 0.08 m3 (0.10 yd3) 0.06 m3 (0.08 yd3) 4 450 mm (17.7") 510 mm (20")
2-25
9. RECOMMENDED OILS
HYUNDAI genuine lubricating oils have been developed to offer the best performance and service life for
your equipment. These oils have been tested according to the specifications of HYUNDAI and, therefore, will
meet the highest safety and quality requirements.
We recommend that you use only HYUNDAI genuine lubricating oils and grease officially approved by
HYUNDAI.
SAE 15W-40
Tank; ★ISO VG 15
27 (7.1)
Hydraulic ISO VG 46, HBHO VG 46★3
Hydraulic oil
tank
System;
55 (14.5) ISO VG 68
★NLGI NO.1
Fitting
Grease As required
(grease nipple) NLGI NO.2
Mixture of
Ethylene glycol base permanent type (50 : 50)
Radiator antifreeze
5.0 (1.3)
(reservoir tank) and soft ★Ethylene glycol base permanent type (60 : 40)
water★2
SAE : Society of Automotive Engineers ★ : Cold region (Russia, CIS, Mongolia)
API : American Petroleum Institute ★1 : Ultra low sulfur diesel
ISO : International Organization for Standardization - sulfur content 15 ppm
NLGI : National Lubricating Grease Institute ★2 : Soft water
City water or distilled water
ASTM : American Society of Testing and Material
★3 : Hyundai Bio Hydraulic Oil
※ Using any lubricating oils other than HYUNDAI genuine products may lead to a deterioration of performance
and cause damage to major components.
※ Do not mix HYUNDAI genuine oil with any other lubricating oil as it may result in damage to the systems of
major components.
※ Do not use any engine oil other than that specified above, as it may clog the diesel particulate filter(DPF).
※ For HYUNDAI genuine lubricating oils and grease for use in regions with extremely low temperatures, please
contact HYUNDAI dealers.
2-26