Caterpillar 345D L Hydraulic Excavator

Caterpillar 345D L Hydraulic Excavator

The Caterpillar 345D L hydraulic excavator is a powerful and versatile machine designed for heavy-duty digging and lifting tasks. Introduced as a replacement for the 345C L, this model boasts a range of improvements and features aimed at enhancing performance, efficiency, and operator comfort. Notably, the 345D L features an 18% increase in horsepower and a 10% improvement in fuel efficiency compared to its predecessor.

Specifications

Specification Value
Engine ModelCat® C13 ACERT™
Net Flywheel Power380 hp (283 kW)
Operating Weight44,970 kg
Maximum Travel Speed4.7 km/h
Maximum Reach11.7 m
Maximum Digging Depth7.6 m
Maximum Bucket Capacity5 yd³ (3.8 m³)

Engine and Emissions

The Cat® C13 ACERT™ engine in the 345D L meets U.S. EPA Tier 3 emissions standards while delivering increased power and fuel efficiency. Compared to the 345C L, this model features:

  • 18% increase in horsepower for greater productivity.
  • ACERT Technology optimizing combustion for fuel savings.
  • Mechanical Unit Fuel Injection (MEUI) System for improved fuel atomization.
  • Electronic Control Module (ADEM™ A4) for real-time engine monitoring.
  • Optional Cold Weather Starting Kit for enhanced performance in low temperatures.

Hydraulic System

The hydraulic system is designed for reliability and precise control, featuring:

  • Variable displacement axial piston hydraulic pumps for maximum efficiency.
  • Independent swing hydraulic pump for increased productivity.
  • Cross-sensing system that allows full hydraulic pump capacity utilization.
  • Hydraulic cylinder snubbers for reducing shock and wear.
  • Optional Tool Control System for fine-tuned pressure settings for attachments.

Undercarriage Options

The 345D L offers three undercarriage configurations:

  • Fixed Gauge: Ideal for transport in weight-sensitive environments.
  • Variable Gauge: Increased track and ground clearance for added stability.
  • Wide Variable Gauge: Enhanced lifting capacity for heavier workloads.

Operator Station

The operator station is designed for comfort and efficiency, featuring:

  • Spacious cab with excellent visibility and openable skylight.
  • Viscous rubber-mounted cabin to minimize noise and vibration.
  • High-back heated air-suspension seat for ergonomic comfort.
  • Adjustable pilot-operated control levers for smooth operation.
  • Full-color LCD monitor supporting 27 languages.

Buckets and Attachments

The Caterpillar 345D L supports various bucket types for different applications:

  • General Purpose (GP) Buckets: For low-impact, moderately abrasive materials.
  • Heavy Duty (HD) Buckets: Optimized for mixed dirt, clay, and rock.
  • Heavy-Duty Power (HDP) Buckets: Designed for maximizing breakout force.
  • Heavy Duty Rock (HDR) Buckets: Ideal for shot rock and granite.

Applications

The 345D L is suitable for a variety of tasks, including:

  • Excavation: Digging trenches, foundations, and basements.
  • Mass Excavation: Moving large volumes of earth.
  • Demolition: Dismantling structures with attachments.
  • Quarrying and Mining: Extracting and loading materials.

Technology and Monitoring

The AccuGrade™ Grade Control System enhances accuracy and efficiency with real-time excavation guidance, resulting in:

  • Reduced survey costs and over-excavation.
  • Increased productivity by guiding operators.

The Product Link 321 telematics system allows remote monitoring of:

  • Machine location
  • Operating hours
  • Fuel consumption
  • Maintenance needs

Safety Features

Safety is a priority in the 345D L, with features including:

  • ROPS Cab: Provides protection in case of rollover.
  • Fire Suppression System: Automatic AFFF fire suppression.
  • Guard Protection: Protects powertrain and undercarriage.
  • Auxiliary Work Lighting: Improved visibility for night operations.

Serviceability and Maintenance

The Caterpillar 345D L is designed for easy maintenance, featuring:

  • Extended service intervals for oil and filters.
  • Centralized service points for reduced maintenance time.
  • User-friendly electronic diagnostics for quick troubleshooting.

Conclusion

The Caterpillar 345D L is a highly efficient and durable hydraulic excavator with improved power, fuel efficiency, and operator comfort. Whether used in construction, mining, or excavation, it remains a valuable asset for high-performance applications.

Kato HD820-7 Hydraulic Excavator

Kato HD820-7 Hydraulic Excavator

The Kato HD820-7 is a 20-ton hydraulic excavator designed for the global market. It features an Isuzu 4HK1X engine that is Stage 4/Tier 4 compliant, meeting stringent emission regulations. The excavator is engineered for enhanced productivity and user-friendliness due to its advanced design and innovative features.

Specifications

Engine

The Kato HD820-7 is powered by an Isuzu 4HK1X, 4-cycle water-cooled engine with overhead camshaft direct injection and an intercooler turbocharger. The engine specifications are:

  • Engine Model: Isuzu 4HK1X
  • Displacement: 5.193L (317 in³)
  • Rated Output: 161 hp @ 2,000 rpm
  • Maximum Torque: 646 N.m @ 1,600 rpm (476 lbf⋅ft)
  • Fuel Consumption: 18.1 L/h

Dimensions

Specification Measurement
Overall Length9,570 mm
Overall Width2,820 mm
Overall Height3,090 mm
Max Digging Depth6,700 mm
Max Digging Radius9,930 mm
Max Digging Height9,830 mm
Max Dumping Height6,890 mm
Max Vertical Dig Depth5,970 mm
Ground Clearance470 mm
Track Gauge2,230 mm
Track Length on Ground3,370 mm
Tail Swing Radius2,800 mm

Operational Specifications

  • Operating Weight: 21,000 kg
  • Bucket Capacity: 0.45 - 1.10 m³
  • Fuel Tank Capacity: 420 L
  • Swing Speed: 13.5 rpm
  • Travel Speed: 3.42 mph
  • Drawbar Pull: 39,251.64 lbs

Features and Benefits

Environmentally Friendly Engine

  • Stage 4/Tier 4 compliant engine reduces NOx emissions by 88%.
  • Large-capacity DEF tank requires refilling only once every four fuel refills, increasing efficiency.

Enhanced Productivity

  • Cycle time improved by 4% compared to previous models for faster digging and loading.
  • Increased boom and bucket cylinder hose diameters minimize power loss and enhance efficiency.

Improved Maintenance

  • New dimple bush retains grease longer, extending lubrication intervals.
  • Easily accessible filters and greasing ports reduce maintenance time.
  • Dedicated cleaning space for radiator and battery disconnect switch enhance maintenance safety.

Enhanced Safety

  • New ROPS cabin improves operator safety with a wider view.
  • Polycarbonate door protects against debris and scattering stones.
  • Engine start mechanism prevents accidental starts by requiring a locked safety lever.
  • ISO-compliant handrail provides safer access to the upper structure.
  • Rearview camera is standard, with an optional side-view camera for improved visibility.

Increased Comfort and User-Friendliness

  • 26% increase in air circulation for better ventilation.
  • New round-shaped operation lever reduces operator fatigue by 25%.
  • Wide color display with touch-screen controls includes Advanced Productivity Control (APC) system.
  • Pressurized and air-conditioned cabin for operator comfort in harsh environments.
  • Adjustable seat ensures an ergonomic working position.

Applications

  • General Excavation: Efficient for digging foundations, trenches, and basements.
  • Material Handling: Suitable for loading trucks and moving aggregates.
  • Construction: Used for site preparation, roadwork, and demolition.
  • Landscaping: Ideal for pond digging, slope creation, and soil moving.
  • Mining: Capable of mineral and ore extraction.
  • Rock Breaking: Can be fitted with a hydraulic hammer for breaking rock formations.

The HD820-7’s minimal-radius design makes it highly maneuverable, especially for urban environments and confined spaces. However, for heavy-duty mining and large-scale earthmoving, larger excavators might be more suitable.

Price

The cost of the Kato HD820-7 hydraulic excavator varies based on the dealer, location, and optional attachments. Estimated price range:

  • Lowest Price: $109,777
  • Highest Price: $149,900

Conclusion

The Kato HD820-7 hydraulic excavator is a powerful and versatile machine suitable for various applications. Its Stage 4/Tier 4 compliant engine, combined with an efficient Selective Catalytic Reduction (SCR) system, highlights Kato’s commitment to environmental sustainability. With improved productivity, easy maintenance, enhanced safety, and superior operator comfort, this excavator is an excellent choice for professionals in the construction, mining, and material handling industries.

Its compact design makes it ideal for urban construction projects, and its strong performance ensures reliability in demanding conditions. Kato has a strong reputation for high-quality construction machinery, and the HD820-7 continues this legacy with cutting-edge technology and durable design.

Grove RT760E Rough Terrain Crane

Grove RT760E Rough Terrain Crane

The Grove RT760E rough terrain crane is designed for versatile lifting operations in challenging environments. With a strong lifting capacity, advanced safety features, and operator-friendly design, it is widely used in construction, industrial, and oil and gas applications.

Specifications

Specification Measurement
Maximum Capacity60 tons
Boom Length36-110 ft
Maximum Tip Height147 ft
Jib Length33-56 ft
Maximum Load Radius100 ft
EngineCummins QSB6.7L Tier IV
Drive Chain4x4
Maximum Travel Speed23 mph
Maximum Gradeability75%
Number of Winches2
Counterweight12,865 lbs

Dimensions

Dimension Measurement
Transport Length44.2 ft
Transport Width10.91 ft
Transport Height11.9 ft
Wheelbase13.34 ft
Width with Outriggers Extended23.34 ft

Features and Benefits

Feature Benefit
MEGAFORM™ boom designProvides exceptional strength-to-weight ratio for increased lifting capacity.
Quick-reeve boom nose and hook blockFacilitates efficient rigging and setup.
Pinned-on counterweightAllows easy installation and removal, reducing setup time.
E Series cabImproves operator visibility and comfort.
PAT I-Flex 5 Load Moment Indicator (LMI) systemEnsures safe lifting by providing real-time crane load data.
Four-wheel multi-mode steeringEnhances maneuverability with front, rear, crab, and coordinated steering modes.
Integrated outrigger monitoring systemProvides real-time feedback on outrigger deployment.
Automatic swing brakeSecures positioning during lifting operations.
Hydraulic disc brakesImproved reliability over air or air-over-hydraulic drum brakes.
Inverted outrigger jacksProtects cylinder rods from contaminants, increasing longevity.
Hot water cab heaterEnhances operator comfort in cold environments.
Large wear padsProvides better boom alignment when telescoping, allowing for greater lifting capacities.
Graphical LMI with Work Area DefinitionDisplays crane configuration and outrigger positions for safer lifting.
Pick-and-carry chartsAssists in planning and executing pick-and-carry operations.
Tier IV engineEnvironmentally friendly, reducing carbon emissions and NOx output.

Key Technologies

MEGAFORM™ Boom Design

The MEGAFORM™ boom design enhances the crane's lifting capabilities by using a U-shaped cross-section, providing a better strength-to-weight ratio than traditional rectangular booms.

PAT I-Flex 5 Load Moment Indicator (LMI) System

This system provides real-time load data, including boom angle, length, radius, and tip height. It prevents overloading and ensures safe lifting operations.

Applications

  • Construction: Lifting and placing heavy materials, including steel beams and prefabricated components.
  • Infrastructure: Used in bridge construction, road building, and large-scale projects.
  • Industrial: Supports plant maintenance, equipment installation, and material handling.
  • Oil and Gas: Moves heavy equipment and materials on oil rigs and pipeline sites.
  • Pick-and-Carry Operations: Excels in lifting and transporting loads across job sites due to its maneuverability and stability.

Pricing

The price of a Grove RT760E crane varies based on factors such as age, condition, and features. Estimated price range:

  • Lowest Price: $85,000
  • Highest Price: $165,000

Conclusion

The Grove RT760E is a powerful and versatile rough terrain crane offering a 60-ton maximum capacity, 110-foot boom length, and 147-foot maximum tip height with a jib. Its four-wheel multi-mode steering enhances maneuverability, while advanced safety features such as the PAT I-Flex 5 LMI system provide real-time load monitoring for safe lifting operations.

This crane is well-suited for construction, infrastructure, industrial, and oil and gas projects. Its ability to handle pick-and-carry operations makes it highly valuable for job sites requiring both lifting and transport. The RT760E's robust design, technology integration, and competitive pricing make it an excellent choice for a variety of heavy lifting needs.

UNIC URW-546 Mini Spider Crane

UNIC URW-546 Mini Spider Crane

The UNIC URW-546 Mini Spider Crane is a marvel of engineering, designed to lift and maneuver heavy loads in spaces where traditional cranes cannot operate. Its compact size, combined with an impressive lifting capacity, makes it a popular choice across diverse industries, including construction, manufacturing, and maintenance.

Specifications

Specification Value
Capacity4.0t x 2.5m
Maximum Lifting Height16m (22.8m with hydraulic jib)
Maximum Working Radius15.52m (17m with hydraulic jib)
Maximum Boom Length15.71m
Total Width1.4m (1.3m with hydraulic jib)
EngineTier 4 Yanmar diesel engine (electric dual power option), 15.2kW (20.7PS) / 2500 min rpm
Fuel Tank Capacity40 liters
Travel Speed0 - 3 km/h
Gradability± 20° (vertical), 20° (traverse)
Hook Block Options4 Fall (20.52m, 4000kg max), 2 Fall (42.54m, 2000kg max), 1 Fall (86.57m, 1000kg max)
Weight4,940 - 5,090 kg

Key Features

  • Compact Size: Width of just 1.4m (1.3m with hydraulic jib) allows access through standard doorways and confined spaces.
  • Radio Remote Control: Operators can control the crane remotely for increased safety and precision.
  • Intelligent Throttle Activation: Optimizes fuel consumption and reduces emissions by adjusting engine speed.
  • Operator-Controlled Outriggers: Extend to different positions based on lift requirements, providing enhanced stability.
  • Optional Mains Electric Power: Suitable for indoor and low-emission environments.
  • Zero-Length Increase with Electric Option: Maintains compact size even when using the electric power source.
  • Fly Jib and Searcher Hook (Optional): Extends reach and lifting height for complex operations.
  • Radio Remote Control with Feedback Display (Optional): Displays real-time load data, boom angle, and outrigger positions.
  • Outrigger System: Four hydraulic telescoping single-stage double box beam outriggers with integral holding valves.
  • Variable Footprint (Optional): Allows outriggers to be set at different widths for increased stability.
  • Low Marking Tracks (Optional): Protects sensitive flooring surfaces during indoor operations.

Safety Features

  • Working Area Limitation: Prevents operation outside pre-set zones to avoid obstacles and hazards.
  • Slew Limitation (Optional): Restricts rotation to prevent collisions in confined spaces.
  • Intelligent Voice Warning System: Alerts operators to potential hazards with audio notifications.
  • Overload Warning Alarms: Activates audible and visual alerts when approaching maximum load capacity.
  • Anti-Two Block System: Prevents the hook block from contacting the boom head, ensuring safe lifting.

Applications

  • Construction: Lifting building materials, machinery, and equipment in tight spaces.
  • Industrial Maintenance: Used in factories and warehouses for repair and equipment installation.
  • Hydroelectric Dam Construction: Successfully operated in Peru, proving reliability in challenging terrain.
  • Indoor Lifting: Ideal for shopping malls, airports, and hospitals, with an electric power option for low emissions.

Advantages

  • Compact and Powerful: Offers an excellent balance between size and lifting capacity.
  • Advanced Safety Systems: Includes overload alarms, slew limitation, and intelligent voice alerts.
  • Versatility: Optional equipment like fly jib and searcher hook expand lifting capabilities.
  • Hydraulic Jib (URW-546-2 Model): Extends reach for more complex lifting tasks.

Comparison to Other UNIC Models

The URW-546 is a mid-range model within the UNIC mini spider crane lineup. While smaller models like the URW-094 and URW-295 offer better portability, the URW-546 provides significantly greater lifting capacity. Larger models like the URW-706 and URW-1006 offer even more lifting power but at the cost of increased size and weight.

Authorized Dealers

Dealer Name Location
National Lift Truck IncFranklin Park, Illinois
Stevenson Crane Service, Inc.Bolingbrook, Illinois
Walter Payton Power Equipment LLCRiverdale, Illinois

Conclusion

The UNIC URW-546 Mini Spider Crane is an innovative lifting solution that combines compact size, high lifting capacity, and advanced safety features. Its versatility allows it to excel in construction, industrial maintenance, and specialized applications like hydroelectric dam construction. With intelligent systems, optional enhancements, and a global dealer network, the URW-546 is a leading choice for lifting in confined spaces.

Potain Tower Crane

Potain Tower Cranes: Reaching New Heights in Construction

Potain is a world-renowned manufacturer of tower cranes, celebrated for their exceptional lifting capabilities, innovative designs, and unwavering reliability. With a long history of delivering cutting-edge solutions, Potain caters to a wide range of construction needs, from towering skyscrapers and complex infrastructure projects to efficient residential construction and specialized applications.

Specifications of Potain Tower Cranes

Potain offers a diverse portfolio of tower cranes with varying specifications to meet the demands of different projects. These cranes can be broadly classified into two main types: self-erecting cranes and top-slewing cranes.

Self-Erecting Cranes

Self-erecting cranes, also known as self-assembling cranes, are designed for rapid and efficient setup without the need for extensive external assistance. These cranes are particularly well-suited for small to medium-sized construction sites, urban environments, and renovation projects where space is limited. Some notable models in this category include:

  • Igo T 130: Maximum capacity of 8 tons and a maximum radius of 50 meters. It is equipped with a telescopic lattice mast that can reach a height of 37.3 meters.
  • Igo MA 21: Maximum capacity of 1.8 tons and a maximum radius of 26 meters, ideal for smaller projects. It features a hook height of 19.3 meters per base.
  • Hup 40-30: Maximum capacity of 4.4 tons and a maximum radius of 40 meters. It is equipped with a bi-folding, off-settable lattice jib and a galvanized folding mast.

Top-Slewing Cranes

Top-slewing cranes are the workhorses of large construction sites, providing the reach and lifting power necessary for high-rise buildings and infrastructure projects. These cranes typically have higher capacities and longer booms compared to self-erecting cranes. Some key models in this category include:

  • MCT 88: The largest model in Potain's city topless series. It features minimal componentry for easy installation on urban job sites and can be assembled with a 52-meter boom.
  • MDT 219 J10: Maximum capacity of 10 tons and a maximum jib radius of 65 meters. It features Potain's Ultra View cab for enhanced operator comfort and visibility.

Specifications Table

Model Type Capacity (US tons) Boom Length (meters) Max. Load Radius (meters)
Igo T 130 Self-erecting 8.8 50 50
Igo MA 21 Self-erecting 2 26 26
Hup 40-30 Self-erecting 4.4 40 40
MCT 88 Top-slewing 5.5 52 52
MDT 219 J10 Top-slewing 11 65 65

Features and Benefits of Potain Tower Cranes

  • Potain Crane Control System (CCS): This advanced control system enhances operational efficiency with ergonomic controls, a user-friendly display, and a jog dial for intuitive navigation.
  • Quick and Efficient Set-Up: Some self-erecting models can be ready for operation in as little as 15 minutes, minimizing downtime.
  • Compact Footprint: Ideal for urban environments, allowing greater flexibility in placement.
  • Enhanced Safety Features: Integrated load moment indicators, anti-two-block systems, and remote control operation improve safety.
  • Environmentally Friendly Options: Electric-powered self-erecting cranes with zero emissions for sustainable construction.
  • Moveable Counterweights: Optimizes load distribution and enhances stability.
  • Versatile Configurations: Adjustable jib lengths, mast heights, and optional attachments for diverse applications.

Applications of Potain Tower Cranes

  • High-Rise Buildings: Essential for skyscrapers, providing high lifting power.
  • Infrastructure Projects: Used for bridges, dams, and large-scale transportation projects.
  • Residential Construction: Ideal for homebuilding, renovation, and small-scale commercial projects.
  • Urban Environments: Compact cranes suited for confined job sites.
  • Specialized Applications: Industrial material handling, prefabricated component installation, and renovation projects.

Cost of Potain Tower Cranes

Model Capacity (US tons) Boom Length (feet) Price (USD)
Igo MA 13 2 72 $212,000
Igo MA 21 2 85 $237,000
Hup 32/27 4.4 105 $242,000
Hup M28-22 2.4 92 $236,000
Hup 40/30 4.4 131 $329,000

Conclusion

Potain tower cranes stand as a symbol of innovation and excellence in the lifting industry. Their diverse range of models, combined with advanced features and exceptional performance, makes them an indispensable tool for construction professionals worldwide.

  1. John Deere 130G Excavator
  2. Broderson IC-80-3F Carry Deck Crane
  3. Case IH Steiger 500 Tractor
  4. Link-Belt RTC-8050 Rough Terrain Crane

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