Overview
The Caterpillar 305E2 CR is a compact-radius mini hydraulic excavator launched around 2014, forming part of Caterpillar’s E2 series that succeeded earlier models. Built around the efficient C2.4 engine, this machine delivers about 40 hp and complies with Tier 4 Interim/Stage IIIA emission standards . Weighing roughly 11,433 lb (5,185 kg) fully equipped with cab , it provides a strong balance of size, power and agility for tight urban or landscaping jobs.
Technical Parameters

• Engine & Power
  • Caterpillar C2.4, delivering around 40.2 hp (30 kW) net .
    
• Operating Weight Variants
  • With canopy & standard stick: ~10,970 lb (4,975 kg).
    
  • With canopy & long stick: ~11,069 lb (5,020 kg) .
    
• Dimensions & Reach
  • Transport length: ~5.18 m; width: ~1.98 m; height: ~2.55 m; track width: ~400 mm .
    
  • Max digging depth: ~3.28 m; horizontal reach: ~5.33 m; tear-out force: ~44.7 kN .
    
• Hydraulic Performance
  • Hydraulic pump output ~150 L/min (≈40 gpm).
    
  • Max implement pressure ~245 bar (≈3,550 psi); swing circuit up to ~216 bar .
    

• Initial 250 hours: Change final drive oil, replace hydraulic filters (approx. 1.3 L) .
  
• Every 500 hours: Engine oil and filter, air filters, fuel filter, cabin filters .
  
• Every 1,000 hours: Include engine A/C compressor maintenance, V-belt check, final drive oil change .
  
• Every 1,500 hours: Change engine breather element .
  
• Every 2,000 hours: Hydraulic oil and filter changes, along with final drive oil service .
  

• C2.4 engine: A compact diesel rated ~2.4 L displacement, meeting Tier 4 Interim emissions.
  
• Compact-radius (CR): Short tail swing design allowing close-quarter operation.
  
• Hydraulic flow & pressure: High flow enables smooth digging while high pressure supports lifting torque.
  
• Final drive: The gearbox at track ends—critical for movement.
  
• SMCS: Caterpillar's system coding for service instructions (e.g. SMCS 1702-010 for fuel manifold).
  

• Stick rigorously to the mentioned time-hour service schedule to preserve system reliability.
  
• Use the proper torque when assembling critical components to prevent leaks or damage.
  
• When handling fuel, coolants, or refrigerant lines, always follow safety protocols—wear protective gear and contain fluids as advised in manuals .
  
• Track maintenance records—oil changes, filter replacements, torque application—to extend machine life.
  

Why an Index Matters
A reliable index of auctioneers, direct sellers, and dismantlers is the nervous system of the used heavy-equipment economy. With global used construction equipment sales measured in the low-hundreds of billions of dollars and still growing steadily, even a small improvement in discovery or pricing can move millions of dollars each season. Recent market studies place the used construction equipment segment above one hundred billion dollars in annual value, with mid-single-digit growth expected over the coming decade. Parallel growth in parts and components—well into the hundreds of billions—underscores why dismantlers are as critical as auctioneers in keeping fleets operating.
Core Terminology

• Unreserved auction
  All lots sell regardless of price. High transparency, faster turnover, higher bidder intensity when marketing is strong. Common with the largest global auction houses.
  
• GAP Gross Auction Proceeds
  The total value of items sold in a defined auction period. It’s a quick health check on demand and inventory velocity.
  
• Priority bid or max bid
  A system that automatically bids up to a preset ceiling, ensuring the buyer stays competitive without live attendance.
  
• Inspection tier
  A structured report with photos, measurements, and functional tests. High-tier reports reduce post-sale disputes and support financing.
  
• Dismantler
  A business that acquires machines—often collision-damaged or high-hour—and parts them out. Dismantlers feed the enormous components and spares market that keeps older fleets productive.
  
• Timed auction
  Online sale with a closing window rather than a live auctioneer; enables large lot counts and international bidder pools.
  

• Global auction houses
  • Focus on unreserved formats, deep inspection programs, financing options, and export logistics.
    
  • Advantages: biggest bidder audiences, price discovery that survives scrutiny, liquidity for full fleet dispersals.
    
  • Signals to watch: GAP trends, month-over-month lot counts, sell-through rates.
    
• Regional auctioneers
  • Serve construction, agriculture, and transportation niches.
    
  • Advantages: lower freight to buyers, seller-friendly fee structures, specialized local demand.
    
  • Signals to watch: repeat consignors, seasonal spikes after major projects.
    
• Digital-first platforms
  • Timed auctions and marketplaces with robust buyer tools like priority bidding and saved searches.
    
  • Advantages: always-on inventory, detailed inspection standards, data-driven pricing.
    
• Direct dealers and fleet sellers
  • Rental houses, contractors, and finance companies disposing of units.
    
  • Advantages: maintenance records, standardized fleets, bundled parts.
    
• Dismantlers and parts recyclers
  • Acquire non-running or high-hour machines for components.
    
  • Advantages: cost-effective repairs, shorter downtime, sustainability benefits.
    
  • Signals to watch: stock depth in high-failure assemblies, warranty on rebuilt components, turnaround time. The addressable market for heavy equipment components and parts is massive and rising.
    

• Verify inspection tier and who performed it.
  
• Check GAP and sell-through history for the last 6–12 months.
  
• Compare buyer fee ladders and payment timelines.
  
• Record freight corridors and satellite yards to estimate landed cost.
  
• For dismantlers, track availability of engines, final drives, hydraulic pumps, swing bearings, and electronics; confirm test protocols and return terms.
  
• Maintain a rolling “A list” of 10–15 auctioneers and 10–20 dismantlers that consistently meet your KPI thresholds.
  

• Bid windows
  Timed auctions often see the last 10% of the clock capture more than half of the price movement. Use max-bid tools to avoid emotional bidding while securing exposure if a lot ends during off hours.
  
• Cycle timing
  Pricing softens when volume spikes. Track seasonal premier events; when volumes rise sharply, median prices can dip. Use your index to line up alternates so you can switch targets without losing momentum.
  
• Repair vs. replace calculus
  With the spares and components market expanding, a down-unit can be economically revived if a dismantler can ship critical parts quickly. The faster parts segment growth rate validates this strategy.
  

• Require at least a mid-tier inspection plus oil sampling on engines and major hydraulics for machines above a set threshold.
  
• Predetermine transport budgets and fallback carriers before bidding.
  
• Ask dismantlers for test-bench data on pumps, motors, and alternators; use photo evidence of serials and test sheets.
  
• Set a maximum reconditioning budget as a percent of hammer price and do not breach it.
  
• Track days-to-possession; slow release hurts cash conversion cycles.
  

• The Orlando wake-up
  A regional contractor sent two buyers to a major winter sale after months of tight supply. Volumes jumped, prices cooled just enough, and they landed a late-model excavator and two telehandlers below reserve expectations. Their index alerted them to the inventory surge a week earlier, so financing and trucking were pre-cleared. The units were working within ten days, a full quarter earlier than budgeted.
  
• The $18,000 rebuild that beat replacement
  A paving company faced a down paver with a failed final drive. Replacement would mean six-figure capex and a 12-week wait. Their dismantler short-listed in the index shipped a warrantied assembly in four days. Including labor, the repair closed at under twenty thousand. With parts markets scaling rapidly, this kind of nimble fix is becoming standard rather than exceptional.
  
• From salvage to star
  A municipality acquired a flood-damaged backhoe at a small regional auction for a fraction of market value. A dismantler sourced a tested ECU and a set of hydraulics harvested from a fire-damaged twin unit. After three weeks of shop time, the backhoe returned to service with full telemetry restored. The total cost landed at forty percent of a replacement machine, validating the index’s cross-reference of “auction source + dismantler inventory” as a repeatable play.
  

• Consign around major events with global marketing; GAP and bidder counts lift prices when inventory is plentiful but curated.
  
• Publish maintenance histories and telematics snapshots.
  
• Fix inexpensive blockers before sale: dead batteries, small hydraulic leaks, warning lights.
  
• Offer flexible pickup windows; buyers will pay more when logistics are predictable.
  
• For dismantlers, post run-time on donor machines, dyno sheets for powertrain parts, and standard warranty terms.
  

• Add auctioneers that show consistent sell-through and provide third-party inspections.
  
• Retire sellers with chronic title delays or misdescribed lots.
  
• Score dismantlers on core-part availability, test documentation, and warranty claim handling.
  
• Segment by specialty: earthmoving, cranes, paving, forestry, ag support.
  
• Review quarterly against price trends reports and adjust your sourcing mix accordingly.
  

• Global unreserved auction house A
  
• Global hybrid online marketplace B
  
• Regional auctioneer C in your nearest freight hub
  
• Two backup regional auctioneers with crane or paving specialties
  
• Three national dealers disposing of rental fleets
  
• Ten dismantlers with deep stock in engines, pumps, final drives, and control modules
  

History and Development
The 980M belongs to Caterpillar’s M-series mid-size wheel loaders, succeeding earlier K and H generations. It utilizes the dependable Cat C13 ACERT engine, tailored for Tier 4/Stage IV emissions compliance with advanced electronic controls. This generation emphasized integrating powertrain, hydraulics, engine, and cooling systems closely—yielding improved fuel economy and performance without sacrificing reliability .
Approximately four years ago, Caterpillar introduced next-generation successors (980, 980 XE, 982, 982 XE), offering innovations like CVT transmissions that delivered productivity gains up to 10 % and fuel savings as high as 35 %—while cutting maintenance costs by up to 25 % in XE variants . Thus, the 980M represents the mature peak of the M-series before this major technological leap.
Technical Highlights & Specifications

• Engine: Cat C13 ACERT, outputs approximately 386 hp (ISO 9249), or up to 425 hp (SAE J1995) at peak .
  
• Operating Weight: Around 66,300 lb (30,100 kg), depending on configuration .
  
• Bucket Capacity: Ranges between approximately 5.25 and 16 cubic yards (4.2–12.2 m³) .
  
• Performance Metrics:
  • Breakout force: about 50,357 lbf (22,842 kgf) .
    
  • Tipping load (40° full turn): approximately 43,133 lb with tire deflection .
    
• Hydraulic System:
  • Max pump output ~119 gpm (450 l/min); implement pressure up to ~4,975 psi .
    
• Transmission: Powershift with lock-up torque converter and split-flow oil system improves fuel efficiency and response .
  
• Dimensions:
  • Length with bucket: ~26 ft; width over tires: ~10.8 ft; wheelbase: ~12.5 ft; ground clearance: ~1.42 ft .
    
• Cab & Sound: Operator sound level around 72 dB(A); exterior sound up to 112 dB(A) .
  

• Fuel Efficiency: Achieves up to 5 % better fuel economy than prior Stage IIIB models, thanks to deep system integration and economy mode .
  
• Hydraulic and Ride Control: Monoblock hydraulic valve with integrated ride control reduces weight and leak points (~40 % fewer), improving reliability. Dual accumulators enhance ride smoothness across payloads .
  
• Maintenance Accessibility: Features like tilting hood, grouped service points, optional autolube, and Cat Connect tools (Product Link™, VisionLink®) facilitate easier servicing and uptime .
  

• In quarry or loading applications, the 980M serves well as a three-pass loader for trucks carrying 20–24 tons. Its reliable breakout force, bucket capacity, and smooth hydraulics make it effective for medium-duty cycles .
  
• Operators benefit from advanced ergonomics: joystick steering with force feedback, touch-screen displays, ride control, wide visibility, and optional payload scales—enhancing accuracy, safety, and productivity .
  

• Focus Procurement on Maintenance Records: Units with documented fluid analytics, low actual working hours, and recent major component servicing (like transmission rebuilds) offer high value.
  
• Choose Features According to Task:
  • For precise loading or tonnage accuracy, consider payload assist or advanced payload systems.
    
  • In smooth fill cycles, economy mode and smooth hydraulics maximize efficiency.
    
• Upgrade Path: For higher productivity and automation, newer XE-series models with CVT and integrated smart technologies may bring up to 35 % fuel savings and 10 % productivity gains over 980M .
  

Introduction
The Caterpillar D398 diesel engine stands as a testament to Caterpillar Inc.'s commitment to engineering excellence and innovation. Developed during the mid-20th century, this engine has powered a multitude of applications, from marine vessels to industrial machinery, showcasing its versatility and durability.
Development and Historical Context
Caterpillar Inc., established in 1925, quickly became a leader in heavy machinery and engine manufacturing. The D398 engine was introduced as part of Caterpillar's strategy to expand its product line to include high-powered diesel engines suitable for demanding applications. Its development was influenced by the need for more efficient and reliable power sources in industries such as marine transportation and power generation.
Technical Specifications
The D398 is a V12, four-stroke diesel engine with the following key specifications:

• Displacement: 48.3 liters (2,945 cubic inches)
  
• Bore: 159 mm (6.25 inches)
  
• Stroke: 203 mm (8 inches)
  
• Horsepower: Ranges from 825 to 865 HP at 1,200 RPM
  
• Weight: Approximately 6,275 kg (13,860 lbs) dry weight
  
• Aspiration: Turbocharged with aftercooling
  
• Rotation: Counterclockwise (when viewed from the flywheel end)
  
• Starting System: Pneumatic
  

• Marine Propulsion: Its high torque and reliability make it ideal for powering ships and offshore vessels.
  
• Power Generation: Employed in generating sets for both commercial and emergency power supply.
  
• Industrial Machinery: Used in heavy equipment and machinery requiring substantial power output.
  

• Oil and Filter Changes: Essential for lubricating engine components and removing contaminants.
  
• Cooling System Inspections: Ensuring the radiator and coolant levels are adequate to prevent overheating.
  
• Fuel System Maintenance: Cleaning injectors and checking fuel lines to maintain efficient combustion.
  
• Air Intake System Checks: Replacing air filters to ensure optimal air-fuel mixture.
  

• V12 Engine: A 12-cylinder engine arranged in a V configuration, known for smooth operation and high power output.
  
• Four-Stroke Cycle: An engine cycle consisting of intake, compression, power, and exhaust strokes, completing a full cycle every two revolutions of the crankshaft.
  
• Turbocharged: An engine equipped with a turbine-driven forced induction device that increases air intake, allowing for more fuel to be burned and thus increasing power output.
  
• Aftercooling: A process where the air exiting the turbocharger is cooled before entering the engine, improving efficiency and performance.
  
• Pneumatic Starting System: A system that uses compressed air to start the engine, commonly used in large diesel engines.
  

• Caterpillar Inc. Official History
  
• Diesel Engine Technology and Maintenance Practices
  
• Marine Engine Applications and Innovations
  

Introduced as a robust V-12 diesel workhorse, the Caterpillar D398 was engineered for heavy-duty industrial and marine roles. Its large displacement—48.3 L—is built from a 159 mm bore and 203 mm stroke, producing around 825 to 900 HP at ~1200 RPM . This engine shared its architecture with Cat’s D379 (V-8) and D399 (V-16), forming a family of scalable powerplants .
Over its service life, the D398 powered generators, marine vessels, industrial setups, and even locomotives. Notably, during the 1977 New York City blackout, Cat D398 generator sets kept police headquarters and hospitals operational, showcasing its reliability in crises .
Key Technical Highlights

• V-12, four-stroke, water-cooled diesel
  
• Displacement: 48.3 L (approx. 2,945 in³)
  
• Bore: 159 mm; Stroke: 203 mm
  
• Power output: typically 825–900 HP at ~1200 RPM
  
• Dry weight: ~6,275 kg (about 13,800 lb)
  
• Designed for turbocharged, after-cooled operation; compact and maintainable
  

• Marine propulsion: ESP’d for robustness, compact space fit, and extended reliability .
  
• Power generation: Used in industrial generators and even as frontline back-up power during major blackouts .
  
• Rail applications: Some locomotives, notably in export markets, used Cat D398 engines for improved efficiency over rivals .
  

• Pre-lube pump failure: A frequent maintenance concern; this pump primes internal lubrication before startup. Its failure often triggers dashboard warnings .
  
• Oil burning and blue smoke: Usually stems from worn turbochargers, valve stem seals, or piston ring wear, leading to oil entering combustion chambers .
  
• Crankshaft start failure: If engine won’t respond even to starting fluid, it suggests low compression or clogged air intake systems .
  

• Configuration: V-12, four-stroke, turbocharged & after-cooled
  
• Bore × Stroke: 159 mm × 203 mm
  
• Displacement: 48.3 L (2,945 in³)
  
• Weight (dry): approx. 6,275 kg (13,800 lb)
  
• Power: 825–900 HP at ~1200 RPM
  
• Rotation options: standard (CCW) or reverse (CW); even firing order variability for adaptability
  

• Maintain pre-lube systems: Ensure this pump is serviced regularly to avoid startup damage.
  
• Monitor oil consumption and smoke: Early detection of turbo or piston wear can extend engine life.
  
• Check compression and air intake: If starting issues occur, these systems are first to inspect.
  
• Use in matched applications: Employ in static or marine powertrains, where its durability and power are best utilized.
  
• Reference parts fitment (e.g., radiators): D398 shares radiator assemblies (e.g. catalogue numbers 3N2609 / 3N6982) with D399; aftermarket replacement exists for maintenance needs .
  

                                       

ID：1825312

The Doosan brand, originating from South Korea, has a long-standing reputation in heavy machinery, producing durable and high-performance construction equipment. Established in the 1960s, Doosan expanded into excavators in the 1970s and has since become a global player in the construction and mining industry. The DH215-9E model, produced in 2011, represents the culmination of Doosan's engineering expertise in mid-sized excavators, combining traditional power with advanced hydraulics for reliable performance. It has been widely adopted in both domestic and international markets, with a total sales volume exceeding 15,000 units globally by 2015.
Basic Specifications

• Brand: Doosan
  
• Model: DH215-9E
  
• Year of Manufacture: 2011
  
• Operating Hours: 4,680
  
• Location: Sichuan-Ganzi Tibetan Autonomous Prefecture
  
• Operating Weight: 21,300 kg
  
• Bucket Capacity: 0.86 m³
  
• Boom Length: 5,700 mm
  
• Arm Length: 2,900 mm
  
• Bucket Type: Backhoe
  
• Origin: Yantai, Shandong, China
  
• Power Type: Conventional diesel
  

• Rated Power: 110 kW at 1,950 rpm
  
• Bore × Stroke: 111 × 139 mm
  
• Displacement: 8.07 L
  
• Engine Type: Turbocharged, mechanically controlled, direct injection
  

• Swing Hydraulic Motor: Axial piston ×1
  
• Travel Hydraulic Motors: Axial piston ×2
  
• Main Pump Maximum Flow: 2 × 212 L/min
  
• Travel Circuit Pressure: 32.4 MPa
  
• Swing Circuit Pressure: 27.5 MPa
  
• Main Pump Type: Variable displacement piston pump
  
• Hydraulic Cylinders: Boom – 2×120×85×1280 mm; Arm – 1×135×95×1538 mm; Bucket – 1×120×80×1050 mm
  

• Fuel Tank: 310 L
  
• Hydraulic Tank: 135 L
  
• Engine Oil Change: 32 L
  
• Coolant: 42 L
  

• Total Transport Length: 9,645 mm
  
• Width: 2,990 mm
  
• Height to Cab Top: 3,025 mm
  
• Minimum Ground Clearance: 480 mm
  
• Undercarriage Track Length: 4,070 mm
  
• Track Width: 600 mm
  
• Total Track Width: 2,800 mm
  
• Front Minimum Turning Radius: 3,685 mm
  
• Rear Swing Radius: 2,840 mm
  

• Maximum Digging Radius: 9,965 mm
  
• Maximum Digging Depth: 6,655 mm
  
• Maximum Excavation Height: 9,660 mm
  
• Maximum Dumping Height: 6,800 mm
  
• Maximum Vertical Digging Depth: 5,980 mm
  
• Max Effective Digging Depth: 6,470 mm
  
• Parking Area Max Digging Radius: 9,780 mm
  

                               

ID：1825311

The Volvo EC220D is part of Volvo Construction Equipment's mid-sized excavator lineup, designed to combine robust power with operational efficiency. Manufactured in 2018, this machine represents a culmination of Volvo's long history in the construction machinery sector, dating back to 1832 in Sweden. Over decades, Volvo has established a reputation for durable and technologically advanced construction equipment. The EC220D model has been widely adopted in Asia, Europe, and North America, with sales exceeding several thousand units globally due to its reliability and versatility in medium-to-heavy duty applications.
General Specifications

• Brand: Volvo
  
• Model: EC220D
  
• Year of Manufacture: 2018
  
• Operating Hours: 6,300
  
• Location: Shaanxi-Xianyang, China
  

• Operating Weight: 20,900–24,400 kg
  
• Bucket Capacity: 0.48–1.44 m³
  
• Original Production Location: South Korea
  
• Engine Type: Traditional diesel power
  
• Manufacturer: Joint venture/imported
  
• Bucket Type: Backhoe
  

• Engine Model: Volvo D6H
  
• Rated Power: 123 kW at 1800 rpm
  
• Cylinder Bore x Stroke: 98 x 126 mm
  
• Maximum Torque: 849 Nm at 1350 rpm
  
• Number of Cylinders: 6
  
• Engine Displacement: 5.7 L
  

• Swing Speed: 12.1 rpm
  
• Bucket Digging Force: 127 kN
  
• Arm Digging Force: 93 kN
  
• Maximum Traction Force: 183 kN
  
• Travel Speed: 3.5 / 5.7 km/h
  
• Swing Torque: 76.7 Nm
  

• Travel Hydraulic Circuit Pressure: 34.3 MPa
  
• Swing Hydraulic Circuit Pressure: 27.9 MPa
  
• Working Hydraulic Circuit Pressure: 34.3–36.2 MPa
  
• Pilot Pressure: 3.9 MPa
  

• Fuel Tank: 375 L
  
• Hydraulic Oil Tank: 140 L
  
• Engine Coolant: 32 L
  
• Total Hydraulic System: 295 L
  

• Transport Length: 9,795 mm
  
• Transport Width: 2,700 mm
  
• Cab Height: 2,930 mm
  
• Counterweight Ground Clearance: 1,025 mm
  
• Minimum Ground Clearance: 460 mm
  
• Rear Swing Radius: 2,750 mm
  
• Upper Structure Width: 2,700 mm
  
• Track Length: 4,160 mm
  
• Track Width: 600 mm
  
• Total Track Width: 2,200 mm
  
• Carrier Roller Count per Side: 2
  
• Track Roller Count per Side: 7
  
• Track Plate Count per Side: 46
  

• Maximum Digging Radius: 9,970 mm
  
• Maximum Digging Depth: 6,760 mm
  
• Maximum Digging Height: 9,470 mm
  
• Maximum Dumping Height: 6,620 mm
  

                               

ID：1825291

The Hitachi ZX130-5A is a 13-ton class hydraulic excavator manufactured by Hitachi Construction Machinery, a global leader in heavy equipment based in Japan. Hitachi has a long history dating back to 1910 and has specialized in producing robust, efficient machinery for construction, mining, and infrastructure projects worldwide. The ZX130 series was developed to provide a balance between power, versatility, and fuel efficiency for medium-sized earthmoving tasks.
Production Year and Usage
This particular unit is from 2020 and has accumulated 3,962 operational hours. Despite being relatively new, its usage indicates active deployment in construction or civil works, reflecting a solid service history while maintaining mechanical integrity.
Weight and Dimensions

• Operating Weight: 12,500 kg
  
• Overall Transport Length: 7,700 mm
  
• Transport Width: 2,490 mm
  
• Transport Height: 2,790 mm
  
• Ground Clearance: 410–840 mm
  

• Engine Model: Isuzu GJ-4JJ1XKSA-03
  
• Rated Power: 69 kW at 2,000 rpm
  
• Engine Type: 4-stroke, water-cooled, electronically controlled direct injection
  
• Cylinders: 4
  
• Displacement: 2.999 L
  
• Maximum Torque: 354 N·m at 1,600 rpm
  

• Bucket Digging Force: 104 kN
  
• Arm Digging Force: 69 kN
  
• Maximum Traction: 117 kN
  
• Swing Speed: 13.3 rpm
  
• Travel Speed: 3.3–5.5 km/h
  
• Gradeability: 70%
  

• Main Pump: 2 variable displacement axial piston pumps
  
• Maximum Flow: 2 × 117 L/min
  
• Travel Hydraulic Pressure: 34.3 MPa
  
• Swing Hydraulic Pressure: 32.3 MPa
  
• Working Hydraulic Pressure: 34.3 MPa
  
• Pilot Pump Flow: 33.6 L/min
  
• Cylinders: Boom 2 × 105 × 70 mm, Arm 1 × 115 × 80 mm, Bucket 1 × 100 × 70 mm
  

• Fuel Tank: 280 L
  
• Hydraulic Tank: 70 L
  
• Engine Oil Capacity: 17 L
  
• Cooling Fluid: 24 L
  
• Hydraulic System: 170 L
  

• Maximum Digging Radius: 8,300 mm
  
• Maximum Digging Depth: 5,540 mm
  
• Maximum Digging Height: 8,600 mm
  
• Maximum Dumping Height: 6,190 mm
  
• Maximum Vertical Digging Depth: 4,750 mm
  
• Swing Radius at Rear: 2,190 mm
  

• Track Gauge: 1,990 mm
  
• Track Width: 500 mm
  
• Ground Contact Length: 2,880 mm
  
• Carrier Rollers: 1 per side
  
• Support Rollers: 7 per side
  
• Track Shoes: 44 per side
  

                               

ID：1825302

The LG953 is a robust wheel loader produced by Shandong Lingong Construction Machinery Co., Ltd., a prominent Chinese manufacturer established in 1972. Lingong has a long history of producing reliable heavy equipment, with the LG series being one of its most popular lines, particularly in Asia and emerging markets. The LG953, introduced in the early 2000s, was designed to combine high performance with durability, targeting construction, mining, and agricultural sectors. Its reputation for reliability has led to widespread adoption in regions with challenging terrain.
Engine and Powertrain
This LG953 wheel loader from 2008 is equipped with a traditional diesel power system suitable for medium to heavy-duty applications. While the specific engine model varies by production batch, typical configurations provide a balance of fuel efficiency and consistent torque for demanding operations. The transmission system allows smooth load handling and precise control, which is critical for material handling and excavation tasks.
Operational Performance

• Rated bucket capacity: 3 m³
  
• Rated load capacity: 5-6 tons (5,000 kg)
  
• Lifting force: 160 kN
  
• Maximum dump height: 3,050 mm
  
• Dump reach: 1,148 mm
  
• Maximum traction force: 150 kN
  
• Maximum climbing angle: 29°
  

• Total operating weight: 16,600 kg
  
• Length: 7,753 mm
  
• Width: 3,024 mm
  
• Height: 3,423 mm
  

                               

ID：1825299

The Hyundai R60-7E is a compact excavator produced by Hyundai Construction Equipment, a division of the South Korean industrial giant Hyundai Heavy Industries. Launched in the late 2000s, this model has been widely used in construction, landscaping, and utility projects thanks to its balance of power, reliability, and maneuverability. Hyundai excavators have historically focused on durability and ease of maintenance, making them popular choices for small to medium-scale projects. The R60-7E falls into the mini-excavator category, suitable for urban construction sites or areas with limited space.
Development and Manufacturer History
Hyundai Heavy Industries, established in 1972, quickly became a leading global manufacturer of construction machinery. Its excavators, including the R-series, are known for integrating advanced hydraulic systems and fuel-efficient engines. The R60-7E reflects Hyundai’s emphasis on performance combined with compact design. This model is often favored for projects requiring precise digging, tight turning radius, and versatility on uneven terrains.
Specifications and Work Capabilities

• Operating weight: 5,600 kg
  
• Bucket capacity: 0.06–0.21 m³
  
• Rated tonnage: 6 tons
  
• Engine: Yanmar 4TNV94L
  
• Rated power: 40 kW at 2,200 rpm
  
• Cooling system: Water-cooled
  
• Travel speed: 2.2–4.0 km/h
  
• Maximum digging depth: 3,820 mm
  
• Maximum digging height: 5,652 mm