| Model | ZX670LCH-5G |
| Type | Crawler Excavator |
| Weight Operation | 68 200 kg |
| Backhoe Bucket : ISO Heaped | 2.5 - 3.5 m3 |
| Engine Rated Power | 312 kW (418 HP) |
| Brand | Hitachi |
| Country of Manufacture | Japan |
| Location | Viet Nam |
Hitachi Excavator ZX670LCH-5G
A ZAXIS hallmark – industry-leading hydraulic technologies, and performance no other can beat. New ZAXIS provides reliable solutions: impressive fuel economy, swift front movements, and easy operation. You'll also find Hitachi technological prowess and expertise, such as the optimized hydraulic system and engine.
New ZAXIS features the key benefits of high quality, low fuel consumption, and high durability, all of which serve to ensure low running costs. New ZAXIS, which is empowered by comprehensive evolution, will realize customers’ visions and dreams, and pioneer your colorful future.
Key Benefits for Low Running Costs: High Quality, Low Fuel Consumption, High Durability.
| DIMENSIONS | ||
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| ZX670LCH-5G | ||
| A Distance between tumblers | mm | 4 590 |
| B Undercarriage length | mm | 5 840 |
| C Counterweight clearance (*) | mm | 1 530 |
| D Rear-end swing radius | mm | 4 020 |
| D’ Rear-end length | mm | 3 910 |
| E Overall width of upperstructure | mm | 4 090 |
| F Overall height of cab | mm | 3 660 |
| G Min. ground clearance | mm | 860 |
| H Track gauge : Extended / Retracted | mm | 3 300 / 2 830 |
| I Track shoe width | mm | 650 |
| J Undercarriage width with 650 mm shoe | mm | 3 950 / 3 480 |
| K Overall width | mm | 4 360 |
| L Overall length | mm | 13 400 |
| M Overall height of boom | mm | 4 460 |
| N Track height | mm | 1 440 |
* Excluding track shoe lug
| WORKING RANGES | |||
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| 6.8 m BE-boom | 7.8 m H-boom | ||
| Arm length | m | 2.9 m BE-arm | 3.6 m H-arm |
| A Max. digging reach | mm | 11 800 | 13 280 |
| A' Max. digging reach (on ground) | mm | 11 500 | 13 030 |
| B Max. Digging depth | mm | 7 120 | 8 560 |
| B' Max. Digging depth (8' level) | mm | 6 970 | 8 420 |
| C Max. cutting height | mm | 11 190 | 11 940 |
| D Max. dumping height | mm | 7 330 | 8 020 |
| D' Min. dumping height | mm | 3 200 | 3 230 |
| E Min. swing radius | mm | 5 240 | 5 780 |
| F Max. vertical wall | mm | 5 280 | 7 720 |
| Excluding track shoe lug | |||
| SPECIFICATIONS | ||
| ENGINE | ||
| Model | Isuzu BB-6WG1XQA-05 | |
| Type | 4-cycle water-cooled, direct injection | |
| Aspiration | Turbocharged, intercooled | |
| No. of cylinders | 6 | |
| Rated power | ||
| ISO 14396, H/P mode: | kW | 312 kW (418 HP) at 1 800 min-1 (rpm) |
| Maximum torque | Nm | 1 621 Nm (165 kgf m) at 1 500 min-1 (rpm) |
| Piston displacement | L | 15.681 L |
| Bore and stroke | mm | 147 mm x 154 mm |
| Batteries | 2 x 12 V / 170 Ah | |
| HYDRAULIC SYSTEM | ||
| Hydraulic Pumps | ||
| Main pumps | 2 variable displacement axial piston pumps | |
| Maximum oil flow | L/min | 2 x 443 |
| Pilot pump | 1 gear pump | |
| Maximum oil flow | L/min | 50 |
| Hydraulic Motors | ||
| Travel | 2 variable displacement axial piston motors | |
| Swing | 2 axial piston motors | |
| Relief Valve Settings | ||
| Implement circuit | MPa (kgf/cm2) | 31.9 (325) |
| Swing circuit | MPa (kgf/cm2) | 29.4 (300) |
| Travel circuit | MPa (kgf/cm2) | 34.3 (350) |
| Pilot circuit | MPa (kgf/cm2) | 3.9 (40) |
| Power boost | MPa (kgf/cm2) | 34.3 (350) |
| UNDERCARRIAGE | ||
| Tracks | Track shoes with double grousers made of induction-hardened rolled alloy. Heat-treated connecting pins with dirt seals. Hydraulic (grease) track adjusters with shock-absorbing recoil springs. | |
| Numbers of Rollers and Shoes on Each Side | ||
| Upper roller | 2 | |
| Lower rollers | 8: ZX670LC-5G 8: ZX670LCH-5G | |
| Track shoes | 47: ZX670LC-5G 47: ZX670LCH-5G | |
| Idler track guard | 1 | |
| Track guard | 2: ZX670LC-5G Full track guard: ZX670LCH-5G | |
| Travel Device | Each track driven by 2-speed axial piston motor. Parking brake is spring-set/hydraulic-released disc type. | |
| Automatic transmission system | High-Low | |
| Travel speeds | km/h km/h | High : 0 to 4.8 km/h Low : 0 to 3.3 km/h |
| Maximum traction force | kN (kgf) | 460 kN (46 900 kgf) |
| Gradeability | % (degree) | 70 (35) |
| SERVICE REFILL CAPACITIES | ||
| Fuel tank | L | 920.0 |
| Engine coolant | L | 68 |
| Engine oil | L | 52 |
| Pump device | L | 6.2 |
| Swing device (each side) | L | 10.5 |
| Travel device (each side) | L | 16.0 |
| Hydraulic system | L | 750 |
| Hydraulic oil tank | L | 380 |
| UPPERSTRUCTURE | ||
| Revolving Frame | D-section frame skirt for resistance to deformation | |
| Swing Device | Swash plate piston motor with planetary reduction gear is bathed in oil. Swing circle is single-row. Swing parking brake is spring-set/hydraulicreleased disc type. | |
| Swing speed | min-1 | 9 |
| Operator's Cab | Independent spacious cab, 1 025 mm wide by 1 817 mm high, The OPG top guard fitted Level ll conforms to the related requirements of the International Organization Standardization(ISO)10262. | |
| HYDRAULIC CYLINDERS | ||||
| Quantity | Bore | Rod diameter | ||
| Cần | mm | 2 | 190 | 130 |
| Tay đòn | mm | 1 | 200 | 140 |
| Gầu | mm | 1 | 180 | 130 |
| Gầu BE | mm | 1 | 190 | 130 |
| WEIGHTS AND GROUND PRESSURE | |||||
| Shoe type | Shoe width | Boom type | Arm type | kg | kPa(kgf/cm 2) |
| Double | 650 mm | 6.8 m BE | 2.9 m BE | 68 100 | 102 (1.04) |
| Bucket capacity | 3.3 m3 rock bucket | ||||
| 7.8 m | 3.6 m | 68 200 | 102 (1.04) | ||
| Bucket capacity | 2.9 m3 rock bucket | ||||
| BUCKET AND ARM DIGGING FORCES | ||
| 6.8 m BE-boom | 7.8 m H-boom | |
| Arm length | 2.9 m BE-arm | 3.6 m H-arm |
| Bucket digging force* ISO | 369 kN (37 700 kgf) | 324 kN (33 100 kgf) |
| Bucket digging force* SAE : PCSA | 332 kN (33 900 kgf) | 286 kN (29 200 kgf) |
| Arm crowd force* ISO | 306 kN (31 200 kgf) | 255 kN (26 000 kgf) |
| Arm crowd force* SAE : PCSA | 297 kN (30 300 kgf) | 246 kN (25 100 kgf) |
| * At power boost | ||
Large Production with Less Fuel |
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| 6% Reduction in Fuel Consumption
New ZAXIS is a fuel-thrifty excavator that can reduce fuel consumption by 6%*, compared to the conventional ZX650LC-3 family, thanks to the HIOS IIIB hydraulic system and engine control system, thereby reducing CO2 emissions. *H/P mode vs. conventional model's H/P mode More Fuel Reduction in the ECO mode The ECO mode, a new economical mode, can further cut fuel consumption by 10% compared to the PWR mode, without sacrifcing digging speed by optimal matching of operations. |
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| Swift Front Movements with HIOS* III Hydraulics
Operating speed increases with less fuel consumption thanks to the HIOS III hydraulic system, developed by industry-leading hydraulic technologies and a wealth of experience. Actuators work quickly by boom weight, without needing a regenerative circuit and pressure oil. *Human & Intelligent Operation System Improved Arm Controllability Improved arm controllability for level luffing and level crowding for front movements, including swing operations. The boom regenerative circuit using the boom weight and the newly adopted variable orifice of the swing circuit help ensure hydraulic oil can be effectively allocated and pressure loss can be reduced. |
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| 9%* Enhancement in Swing Torque
One of the key performance requirements for mining machinery is swing power. It must be capable of holding and swinging buckets full of crushed stones powerfully, and then loading them onto a dump truck. The new ZAXIS adopts a newly developed swing device to improve swing power by 9%* over conventional models. It also has sufficient capacity to load crushed stones onto a dump truck. *Compared to the conventional ZX650LC-3 family Easy-to-Use Attachments The operator can adjust extra circuit flow and check settings from the multifunction monitor next to the operator seat. What’s more, 11 jobs, including flow rate setting, can easily be selected by their identified names |
Pursuits of Performance and Durability |
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| Prestige R&D and Quality Control
Hitachi has earned praise for technological prowess and product performance around the world. R&D Division has a track record – including excellent design, stress analysis expertise using CAE system, and abundant production data base. What’s more, a large-scale durability test field (427 hm2) allows for a series of stringent testing of new machines. Production Division strives to automatize production processes, including robotic welding, machining, painting, assembling and transferring. |
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| Durable, Reliable Engine
This engine has a track record showing impressive durability at countless tough job sites around the world. The engine - associated with a rugged design, a direct fuel injection system and an elaborate governor goes green, and complies with EU Stage II and US EPA Tier 2 emissions regulations. The cooling system well keeps the engine cool. The cooling system has excellent cooling capability with a radiator and oil cooler arranged in parallel. The system optimizes the rotational speed of cooling fan, depending on the temperatures of coolant and hydraulic oil, contributing to excellent cooling capability and noise reduction. The combination of a 312 kW (418 HP) engine and the new HIOS IIIB hydraulic system meets requirements, in terms of both output and fuel consumption. |
| Rock-Solid, Durable Front Attachment
The boom top and boom foot brackets frame side are reinforced with thickened high-tensile steel, which incorporate steel bushings to enhance durability. Arm cylinder and boom cylinders (rod extend ends) cushion shocks at stroke ends to cut noise and extend service life. Joint pins at the front attachment are tightly fit to reduce jolt and sound. The arm-bucket joint is protected by WC thermal spraying on its contact surfaces to reduce wear and jolt. New-type HN bushings, utilized on joint pins, retain grease inside for longer greasing intervals. A reinforced resin thrust plate, provided at front attachment joints, helps reduce wearing noise |
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| Strengthened Undercarriage
The reliable undercarriage structure of the conventional ZAXIS models is retained for the new ZAXIS. For idler brackets, where stress is concentrated in transit, the box-structure and reinforcing plates limit deformation and enhance travel stability. An enhanced two-step side step ladder is also provided to facilitate entering/alighting from the cab Strengthened Upperstructure D-Section Skirt For the new ZAXIS, the plate thickness of the D-section skirt is increased by 30% to improve durability performance. A large door catch is added to reduce shocks and jolts of the cab and upperstructure. |
No Compromise on Operator Comfort |
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| Comfortable Operating Environment
You'll feel comfortable and confident, with plenty of leg space and excellent visibility when entering the cab. The new compact console gives more leg space. The new door pillar is shifted rearward by 70 mm to widen an entry space for easy access. A new LED room light, interlocked with the door, turns on when the door opens. The front window is easily removed and stored overhead using slide rails. The overhead window is openable for ventilation. Lots more air vents for air conditioner are located strategically for uniform air circulation inside the cab. The control panel and control levers are arranged within easy reach of the operator. AM/FM radio and AUX port (optional) for a mobile music player are available for a long work day with less fatigue. All these designs focus on operator comfort. Comfort-Designed Operator Seat The luxury cloth seat is fitted with a headrest and arm rests for operator comfort. The seat can be adjusted in multiple ways, sliding and reclining, to suit operator’s size and preferences. The seat can slide rearward by 40 mm more for added leg space. The air suspension seat with a heat pad is optional. Robust Cab The robust cab, meeting the OPG (Top Guard Level 1), protects the operator from falling objects. The pilot control shut-off lever is provided with a neutral engine start system that permits engine starting only when the pilot control shut-off lever is in Lock position. |
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| New, Easy-to-Use Multifunction Monitor
The new multi-language, multifunction monitoring system comprises a 7-inch highresolution color monitor and a multifunction controller. The monitor allows the operator to check varying operating variables: coolant temperature, fuel level, work mode, full-auto air conditioner, AM/FM radio, rear view monitor camera (optional), maintenance support, and attachment flow adjustment. Menu items can be selected and adjusted by a multifunction controller on the control panel. A new rear view monitor camera always displays the view behind the machine |
Simplified Maintenance |
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| Remote Inspection Points
Inspection points are concentrated inside left cover and undercover that are readily accessible for convenient servicing and inspection, including water draining from the fuel tank, replenishment of filters. A lid behind the cab door is available for easy replacement of the air conditioner filters for fresh air. Fast Lubrication The arm and boom have their own centralized greasing points for fast lubrication. An optional electric grease gun with hose-reel or an auto-grease lubricator is also available for faster greasing / lubrication. |
| Easy-Access to the Upperstructure
A large sidewalk is provided on the left side of the cab, making it easy to access the engine from the ladder while handrails are provided and sufficient slip-resistant plates for safety. |
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| Low Life Cycle Costs
Service intervals are long enough to slash maintenance costs. 920 L Large Capacity Fuel Tank Equipped with a large capacity fuel tank for longer operations. |
Hitachi Support ChainHitachi Support Chain is a full customer support system offered after buying a Hitachi machine |
| Remote Fleet Management with Global e-Service |
| Easy Access to On-Site Machines through the Internet This on-line fleet management system allows you to access each on-site machine from a PC in your office. You can get its operating information and location to increase productivity of the fleet and reduce downtime. Operating data and log are sent to a Hitachi server for processing, and then to customer and dealers around the world. This system is available 24 hours a day, all the year around. Note: In Some Regions, Global e-Service Is Not Available by Local Regulations |
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| Main Features of Global e-Service
Functions Global e-Service provides easy access to a machine on site, conveying operating information and log, including daily operating hours, fuel level, temperatures, pressures, and likes. Maintenance Maintenance data and log are displayed on a easy-to-read monitor screen, suggesting recommended maintenance for efficient fleet management. |
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Parts and ServiceHitachi full customer support is available every area on the globe for full customer satisfaction through Hitachi local dealers. |
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| Parts
Hitachi Global Online Network, a parts supply system, is linked with Japan Parts Center, overseas depots and over 150 dealers abroad to deliver on-line parts information, including in-stock parts, order receptions, shipments and delivery period of over one million parts and components. Genuine Hitachi Parts Genuine Hitachi parts, meeting Hitachi stringent quality standards, are guaranteed according to Hitachi warranty standards. The use of genuine Hitachi parts, including engine, fuel, hydraulic oil and filters, may slash running costs, and extend machine life. Ground Engaging Tools (GETs) Hitachi provides an array of Hitachi Ground Engaging Tools developed and built for a variety of applications. Using high-quality, well-maintained GETs will help you get customers' trust. Note: Some dealers do not handle Hitachi GETs. Remanufactured Components Hitachi components are remanufactured according to the stringent remanufacturing standards at four factories around the world. They have high quality equivalent to new ones, and backed up by Hitachi warranty system. Note: Some dealers do not handle Hitachi Remanufactured Components. |
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| Service
Extended Warranty - HELP Hitachi Standard Warranty System is available on all new Hitachi machines. In addition, Hitachi offers Hitachi Extended Life Programs (HELPs) to suit customer expectations - protecting machines under tough operating conditions, avoiding unexpected downtime, and reducing repair costs. Note: Warranty conditions vary by equipment. Diagnostic Tools - Maintenance Pro Electronic control system needs quick on-site solutions, apart from mechanical repairs. Hitachi’s Maintenance Pro can diagnose machine failures in a short time by plugging a PC into a failed machine. Technical Training On-site servicing matters despite locations to keep the machine at peak performance and reduce downtime. Technical Training Center (TTC), located in Japan, educates and trains service technicians and service support personnel coming from Hitachi dealers and factories on the globe according to the international training programs |
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