Hydraulic Excavators Bucket Capacity: 0.11-0.28 m 3 SAE heaped Engine Power: 41 kw {56 PS} SAE NET/2,200 min -1 {rpm} Operating Weight: 8,350 kg Complies with the latest exhaust emission regulations US EPA Tier III EU (NRMM) Stage IIIA Latest Japanese Regulations
-ACERA GEOSPEC SR Series SK80MSR- Pursuing the Three E s The Perfection of Next-Generation, Network Performance Enhancement Greater Performance Capacity New hydraulic circuit: load sensing system installed. High-efficiency, PFR-pump fuel injection engine Powerful travel and arm/bucket digging force Economy Improved Cost Efficiency Advanced power plant that reduces fuel consumption Easy maintenance that reduces upkeep costs High structural durability and reliability that retain machine value longer Environment Features That Go Easy on the Earth Newly developed indr technology reduces operational noise Meets the latest exhaust emissions standards Auto Idle Stop as standard equipment New Performance Capabilities for Tight Spaces The SK80MSR combines a small tail swing radius with a swinging boom for full-powered performance in a compact size. With its spacious, comfortable cab, excellent forward and lateral visibility and enhanced safety features, this state-of-the-art machine puts it all together in one tight, streamlined package. Whatever the job, the SK80MSR delivers the power and maneuverability you need, with the amazingly low noise level in the industry. 1 Ultimate -Low Noise Level of 93dB(A) KOBELCO has developed the revolutionary Integrated Noise and Dust Reduction Cooling System (indr), the world s most advanced cooling system that minimizes operating noise and dust penetration. Extremely Quiet! Effective Dust Protection! Easy to Maintain!
The GEOSPEC Difference: More Work with Less Fuel! Top-Class Powerful Digging Max. arm crowding force: 37.1 kn {3.79 tf} Max. bucket digging force: 52.7 kn {5.38 tf} Powerful Travel Travel torque: increased by 4 % Drawbar pulling force: 71.3 kn Greater Swing Power, Shorter Cycle Times! Swing torque: 19.03 kn Swing speed: 11.5 min -1 Much Longer Continuous Working Hours! The combination of a largecapacity fuel tank and excellent fuel efficiency delivers an impressive increase in continuous working hours. {7.27 tf} Fuel tank capacity: 120 L Solid Stability and Excellent Working Ranges The extra-wide cab contributes to excellent machine stability. This makes it possible to lengthen both the arm and boom to achieve the widest working range in the SK80MSR's class. Boom Swing Mechanism The boom can swing up to 50 to the left and 82 to the right, making it possible to perform side-digging parallel to the crawlers without moving the machine. Small Swing Radius With a 180 working distance* of just 4,030 mm, the SK80MSR only needs of space to dig, swing, and load continuously. *"Working Distance" equals the sum of the minimum forward swing radius and tail swing radius. Boom swing angle: 49 to the left 82 to the right Max. digging height: 6,780 mm Max. dumping height: 4,770 mm Tail overhang: 630 mm Max. digging reach: 7,260 mm (90 mm more than previous machine) Max. digging depth: 4,430 mm (50 mm more than previous machine) Simple Select: Two Digging Mode H-mode: For heavy-duty operations when a higher performance level is required. S-mode: For normal operations with lower fuel consumption Dozer Blade With its larger, longer support struts, the dozer blade can be used for wide variety of applications. For example, it can be used as an outrigger to give machine added stability on slopes. Tail swing radius: 1,790 mm Min. working distance: 4,030 mm Min. front swing radius: 2,240 mm (at boom swing) 2
The GEOSPEC Difference: Fast, Accurate and Low-Cost Maintenance Comfortable On the Ground Maintenance All of the components that require regular maintenance are laid out for easy access by personnel standing on the ground. Easy access to cooling units Left side Easy access to main control valves Radiator 2 3 4 5 Battery 1 N&B selector (optional) Drain cock for fuel tank Multi control valve(optional) 6 Easy access to engine Center Easy access to pump & filters Right side Large fuel filter (with built-in waterseparator) Double-element air cleaner Water separator Radiator reservoir tank Engine oil filter Fast Maintenance Fuel tank equipped with bottom flange and large drain cock Easy Cleaning Detachable twopiece floor mat with handles for easy removal. 1 2 Hourmeter can be checked while standing on the ground Internal and external air conditioner filters can be easily removed without tools. Easy-access fuse box (under the operator s seat) 4 5 6 3 Special crawler frame design ensures easy mud removal. Hydraulic oil pump indr Means Easy Maintenance indr Filter Blocks Out Dust Outside air goes directly from the intake duct through the indr filter for dust removal. The filter features a wide front surface area and accordion structure that resists clogging. The cooling units (radiator, etc.) are positioned inside air duct (behind the indr filter). Visual Checking and Easy Cleaning When checking and cleaning a conventional cooling system, one must deal with several different components like the radiator and oil cooler. But with the indr filter, there's just one filter in one place. It can be cleaned easily and quickly. Long-Interval Maintenance Long-life hydraulic oil reduces cost and labor: 5,000-hour replacement cycle High-performance, super-fine filter has a 1,000-hour replacement cycle 3
The GEOSPEC Difference: A Working Environment That Helps the Operator Concentrate on the Job at Hand New Large Cab KOBELCO has developed a new, large cab for the SK80MSR that features the same width and height as the cabs on full-size machines. The operator has plenty of space in front for easy, comfortable operation, with ample foot room. +25mm (1,720 mm) (Compared with Previous Models) +45 mm (1,005 mm) (Compared with Previous Models) Excellent Visibility +40 mm (Compared with Previous Models) 45mm wider than previous models for a total width of 1,005mm Cab height: 1,720 mm Front-to-back foot room: 750 mm The cab door is 40 mm wider than previous models. The wide, open view in front combines with minimized blind spots around the machine for greater onsite safety. Front window area is 8% larger than on previous models Reinforced green glass meets European standards New rise-up wipers keep the view clear and clean Broad wiper area improves visibility in bad weather Rearview mirrors mounted both to the right and left improve safety in back Rear-mounted mirror eliminates counterweight blind spot In-Cab Noise is Reduced by 5 db In-cab noise 5dB (Compared with Previous Models) Noise is prevented from reaching inside the cab through the new indr system, as well as thorough sealing of all gaps. The highly rigid cab structure and liquid sealed viscous cab mounts keep vibration to a minimum. Comfortable Operating Environment Double slide seat One-touch lock release simplifies opening and closing front window Cab Brackets Powerful automatic air conditioner Large cup holder Two-speaker FM/AM radio with station select Spacious luggage tray The SK80MSR has a safety rating equivalent to FOPS Level 1. In addition to the standard roof guard, optional front and head guards are available that can be easily attached with bolts. Safety Features That Take Various Scenarios into Consideration Firewall separates the Hammer for emergency pump compartment from the exit engine Thermal guard prevents contact with hot components during engine inspections Retractable seatbelt requires no manual adjustment Travel alarm (optional for NZ) Optional Features That Further Enhances Safety Cab operating light Rear camera and monitor Yellow swing warning light Travel alarm Fire extinguisher Rain visor for cab One-way call Boom holding valve 4
Specifications Engine Model ISUZU AU-4LE2X Direct injection, water-cooled, 4-cyclle diesel engine with turbocharger, intercooler Type: (Complies with EU (NRMM) Stage IIIA, US EPA Tier III, and Japanese Latest Exhaust Emission Regulations) No. of cylinders: 4 Bore and stroke: 85 mm x 96 mm Displacement: 2.179 L Rated power output: 41 kw {56 PS}/2,200 min -1 {rpm} Max. torque: 200 N m/1,600 min -1 {rpm} Hydraulic System Pump Type: One variable displacement pump + 1 gear pump Max. discharge flow: 1 x 132 L/min, 1 x 18 L/min Max. discharge pressure Boom, arm and bucket: 29.4 MPa {300 kgf/cm 2 } Travel circuit: 29.4 MPa {300 kgf/cm 2 } Dozer blade circuit: 27.5 MPa {280 kgf/cm 2 } Swing circuit: 24.5 MPa {250 kgf/cm 2 } Control circuit: 3.50 MPa {36 kgf/cm 2 } Pilot control pump: Gear type Main control valves: 8-spool Oil cooler: Air cooled type Swing motor: Brake: Parking brake: Swing speed: Tail swing radius: Swing System Min. front swing radius: Travel System Axial piston motor Hydraulic; locking automatically when the swing control lever is in the neutral position Oil disc brake, hydraulic operated auto matically 11.5 min -1 {11.5 rpm} 1,790 mm 2,560 mm 2,240 mm (at full boom swing) Travel motors: 2 x axial-piston, two-step motors Travel brakes: Hydraulic brake per motor Parking brakes: Oil disc brake per motor Travel shoes: 39 each side Travel speed: 5.3 2.8 km/h Drawbar pulling force: 71.3 kn {7.27 tf} (J 1349 MAY91) Gradeability: 70 % {35 } Cab Cab & Control All-weather, sound-suppressed steel cab mounted on the silicon-sealed viscous mounted and equipped with a heavy, insulated floor mat. Control Two hand levers and two foot pedals for travel Two hand levers for excavating and swing One foot pedal for boom swing Electric rotary-type engine throttle Boom cylinder: Arm cylinder: Bucket cylinder: Boom, Arm & Bucket 110 mm x 916 mm 95 mm x 833 mm 80 mm x 735 mm Boom Swing Mechanism Control: Boom swing angle: Boom swing cylinder: Dozer Blade Foot pedal 50 to the left, 82 to the right 105 x 594 mm Control: Hand lever Dozer blade: 2,320 mm x 460 mm Working range: 475 mm (up), 305 mm (down) Dozer cylinder: 120 mm x 125 Approach angle: 28 Refilling Capacities & Lubrications Fuel tank: Cooling system: Engine oil: Travel reduction gear: Swing reduction gear: Hydraulic oil tank: 120 L 8.5 L 11 L 2 x 5.3 L 1.5 L 72 L tank oil level 120 L hydraulic system Attachments Backhoe bucket and arm combination Use Backhoe bucket Standard Narow Wide Bucket capacity (SAE heaped) m 3 0.28 0.11 0.14 0.18 0.22 0.35 (Struck) m 3 0.25 0.10 0.13 0.16 0.20 0.30 Opening width With side cutters mm 750 480 550 650 780 or X-section Without side cutters mm 680 400 410 480 580 850 No. of bucket teeth 4 3 3 3 4 4 Bucket weight kg 210 190 160 170 190 Combinations 1.87 m Standard arm 2.13 m Long arm Recommended Not recommended Loading only 5
SK80MSR-2 Working Ranges Unit: m Arm Range a- Max. digging reach b- Max. digging reach at ground level c- Max. digging depth d- Max. digging height e- Max. dumping clearance f- Min. dumping clearance g- Max. vertical wall digging depth h- Min. swing radius i- Horizontal digging stroke at ground level j- Digging depth for 2.4 m (8') flat bottom Bucket capacity SAE heaped m3 Standard 1.87 m Long 2.13m 7.26 7.64 7.11 7.50 4.43 6.78 4.77 1.97 4.70 7.24 5.19 1.84 3.23 3.81 2.56 3.13 3.19 3.25 4.00 4.36 0.28 0.22 a b h 8m 7 6 5 4 d 3 e 2 1 f 0 i 1 Digging Force (ISO 6015) c j Unit: kn {kgf} Arm length Bucket digging force Arm crowding force Standard 1.87 m Long 2.13m 52.7 {5,380} 37.1 {3,790} 52.7 {5.380} 35.2 {3,590} g 2 3 4 8m 7 6 2.4 m(8') 4 3 2 1m 5 5m Standard Arm Long Arm Dimensions Unit: mm Standard 1.87 m 6,950 2,340 Arm length Overall length Overall height (to top of boom) Overall width of crawler Overall height (to top of cab) Ground clearance of rear end* Ground clearance* 2,320 2,740 730 360 Tail swing radius Tumbler distance Ovrall length of crawler Track gauge Shoe width Overall width of upperstructure Dozer blade (up/down) 1,790 2,240 2,860 1,870 450/600 2,230 475 (28 )/305 * Without including height of shoe lug. ** Dozer blade is optional. Unit: mm 102 A B C D E F G H I J K L M Long 2.13m 7,060* 2,920 287.5 49 106 1,178 617 82 A L G D B E F M H I K J C Operating Weight & Ground Pressure In standard trim, with standard boom, 1.87 m arm, and 0.28 m3 SAE heaped bucket Shaped Steel crawler (Triple grouser shoe) Rubber crawler Shoe width mm 450 600 450 Overall width of crawler mm 2,320 2,470 2,320 37.1 {0.38} 28.6 {0.29} 38.1 {0.39} 8,350 8,580 8,570 Ground pressure kpa {kgf/cm2} Operating weight kg 6
The GEOSPEC Difference: Rugged Durability Ensures Long-Term Machine Value! Highly Reliable Construction The boom, arm and swing bracket all have large cross-section areas that provide added strength to the attachment. Boom: Guard plate for boom cylinder Swing bracket: Large, thick cast-iron swing bracket Plate-type pin prevents unwanted rotation Designed for the Environment Meets standard values set by emissions regulations (US EPA Tier III, NRMM :Europe, Stage IIIA, and the latest Japanese regulations) Automatic acceleration/deceleration function reduces engine speed Mild operating sound Meets EMC (Electromagnetic Compatibility) standards in Europe Auto Idle Stop provided as standard equipment Dozer arm: Increased torsional strength in dozer arms Fuel Economy Environmental Friendly Lifting Capacities Rating over front Rating over side or 360 degrees A - Reach from swing centerline to bucket hook B - Bucket hook height above/below ground C - Lifting capacities in kilograms Max. discharge pressure: 29.4 MPa {300 kg/cm 2 } B SK80MSR Long Arm: 2.13 m, Bucket: 0.22 m 3 SAE heaped 190 kg Shoe: 450 mm A 1.5 m 3.0 m 4.5 m 6.0 m At Max. Reach Radius 6.0 m kg *1,360 *1,360 4.39 m 4.5 m kg *1,170 1,060 5.82 m 3.0 m kg *1,810 1,630 1,140 970 970 820 6.51 m 1.5 m kg 3,370 2,740 1,750 1,470 1,080 910 870 730 6.75 m G.L. kg 3,070 2,460 1,610 1,340 1,020 860 880 730 6.58 m -1.5 m kg *2,800 *2,800 3,040 2,440 1,560 1,290 1,010 840 5.98 m -3.0 m kg *4,740 *4,740 3,130 2,510 1,590 1,330 1,480 1,240 4.72 m Notes: 1. Do not attempt to lift or hold any load that is greater than these lift capacities at their specified lift point radius and heights. Weight of all accessories must be deducted from the above lift capacities. 2. Lift capacities are based on machine standing on level, firm, and uniform ground. User must make allowance for job conditions such as soft or uneven ground, out of level conditions, side loads, sudden stopping of loads, hazardous conditions, experience of personnel, etc. 3. Bucket lift hook defined as lift point. 4. The above lift capacities are in compliance with SAE J/ISO 10567. They do not exceed 87 % of hydraulic lift capacity or 75 % of tipping load. Lift capacities marked with an asterisk (*) are limited by hydraulic capacity rather than tipping load. 5. Operator should be fully acquainted with the Operator s and Maintenance Instructions before operating this machine. Rules for safe operation of equipment should be adhered to at all times. 6. Lift capacities apply to only machine as originally manufactured and normally equipped by KOBELCO CONSTRUCTION MACHINERY CO., LTD. Note: This catalog may contain attachments and optional equipment that are not available in your area. And it may contain photographs of machines with specifications that differ from those of machines sold in your areas. Please consult your nearest KOBELCO distributor for those items you require. Due to our policy of continuous product improvements all designs and specifications are subject to change without advance notice. Copyright by No part of this catalog may be reproduced in any manner without notice. 17-1, Higashigotanda 2-chome, Shinagawa-ku, Tokyo 141-8626 JAPAN Tel: +81 (0) 3-5789-2127 Fax: +81 (0) 3-5789-2136 www.kobelco-kenki.co.jp/english_index.html Inquiries To: Bulletin No. ACERA GEOSPEC SK80SR-2-ANZ-101 2008052000 Printed in Japan