CAT 323D

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CAT 323D 23-Ton Medium Heavy Crawler Excavator – Foreign Trade Sales CopyBrand &...


  • Model: CAT 323D
  • Operating Weight: 22,550–22,620 kg (49,714–49,868 lbs)

Product Detail

Product Tags

CAT 323D 23-Ton Medium Heavy Crawler Excavator – Foreign Trade Sales Copy

Brand & Model Positioning

Brand: CAT (Caterpillar)

Caterpillar Inc., a global leader in construction and mining equipment manufacturing with over 90 years of engineering expertise, dominates the heavy machinery sector with its core advantages of “Durability, Productivity, and Global Service.” As the world’s largest construction equipment manufacturer, CAT serves customers in more than 190 countries, supported by a service network of 160+ countries and 2,100+ authorized dealers. This ensures 98%+ equipment uptime even in extreme conditions, delivering stable returns and comprehensive after-sales support to contractors, mining companies, and infrastructure developers globally. CAT’s commitment to innovation and reliability has made it the top choice for large-scale construction, urban engineering, and heavy-duty applications worldwide.

Model: CAT 323D

The CAT 323D is a 23-ton class medium heavy crawler excavator, a star model in CAT’s D-Series lineup, tailored for medium-to-heavy operations across diverse job sites. It integrates the reliable CAT C6.4 ACERT engine with a load-sensing hydraulic system, balancing digging force, fuel efficiency, and durability. Built for medium construction, urban engineering, and light mining, its reinforced structural parts and heavy-duty undercarriage guarantee steady performance in harsh conditions. With an ideal mix of power, efficiency, and operator comfort, it is the preferred choice for global customers handling medium-to-large construction, infrastructure, and mining projects.


Core Technical Specifications

1. Basic Parameters

  • Operating Weight: 22,300–23,100 kg (49,160–50,927 lbs) – ensures stability during digging and lifting operations.
  • Standard Bucket Capacity: 1.2 m³ (optional 0.5–1.28 m³ buckets for various applications).
  • Overall Dimensions: Total length 9,460 mm × Total width 3,190 mm × Total height 3,630 mm.
  • Minimum Ground Clearance: 450 mm – adapts to uneven terrain in construction sites.

2. Engine Performance

  • Engine Model: CAT C6.4 ACERT 6-cylinder in-line water-cooled diesel engine.
  • Rated Power: 110 kW (150 HP) @ 2,000 rpm – reliable power output for medium-heavy operations.
  • Displacement: 6.4 L – optimized combustion for high power-to-weight ratio and fuel efficiency.
  • Emission Compliance: Tier 2 / Stage II – meets emission standards in most global markets, ensuring eco-friendly operation.
  • Fuel Efficiency: 16–20 L/h under medium load – 8–10% lower fuel consumption than peer models, saving $1,400–$1,800 annually (based on 2,000 working hours/year).
  • Cold-Start Performance: Equipped with glow plugs for reliable starting at -18°C; advanced air filtration system adapts to dusty environments.
  • Maximum Torque: 730 Nm @ 1,600 rpm – strong low-end torque for efficient digging in compacted soil and rock.

3. Working Device & Excavation Performance

  • Operating Range: Maximum digging radius 9,850 mm; maximum digging depth 6,700 mm; maximum dumping height 6,600 mm; maximum digging height 9,400 mm.
  • Digging Force: Bucket digging force 140 kN; arm digging force 106 kN – penetrates compacted soil and rock with ease.
  • Boom & Arm: Standard 5,700 mm boom + 2,900 mm arm; reinforced with high-strength steel for durability in medium-heavy applications.
  • Hydraulic Breaker Compatibility: Supports 130–150 mm hydraulic breakers for rock demolition and road construction.

4. Hydraulic System

  • System Type: Closed-center load-sensing hydraulic system – matches engine power to load for precise control and efficiency.
  • Maximum Flow Rate: Total main pump flow 205 L/min; pilot pump flow 38 L/min.
  • Relief Valve Pressure: 34.3 MPa (main hydraulic circuit); 28 MPa (swing circuit); 34.3 MPa (travel circuit).
  • Swing System: Axial piston motor with holding brake; swing speed 11.5 rpm; swing torque 50 kNm – smooth rotation for accurate positioning.
  • Travel System: Dual-speed travel motors; low speed 3.5 km/h (high torque for 70% slope climbing); high speed 5.7 km/h (fast relocation); maximum traction 250 kN.

5. Undercarriage & Structural Design

  • Undercarriage Type: Heavy-duty chassis – provides excellent stability and load-bearing capacity for long-term use.
  • Track Configuration: Track shoe width 600 mm (standard); optional 500 mm rubber tracks for paved surfaces.
  • Track Specifications: Track gauge 2,590 mm; track ground contact length 3,610 mm – ensures stable operation with ground pressure of 62 kPa.
  • Protective Design: Reinforced boom/arm; heavy-duty counterweight protects the engine compartment; sealed track chains extend service life.

6. Operator Cab & Safety

  • Cab Certification: ROPS/FOPS Level II certified – protects operators from rollover and falling objects, meeting global safety standards.
  • Ergonomic Design: Spacious cab with air-suspension seat, lumbar support, and low-effort pilot controls – reduces fatigue during long-hour operations.
  • Control System: Intuitive multi-functional display with real-time data (engine speed, fuel level, hydraulic temperature, fault codes); adjustable joysticks for precise operation.
  • Comfort Configuration: Air conditioning/heating system, sound insulation (≤78 dB(A)), and large windows for 360° visibility; optional rearview camera minimizes blind spots.
  • Safety Features: Emergency stop button, travel alarm, anti-slip steps, and handrails – ensures safe entry/exit and operation.

7. Fuel & Fluid Capacities

  • Fuel Tank Capacity: 410 L – supports 20–26 hours of continuous operation, reducing refueling frequency.
  • Hydraulic Oil Tank Capacity: 120 L – efficient cooling system maintains stable oil temperature.
  • Engine Oil Capacity: 30 L; Coolant Capacity: 25 L.

Core Advantages

1. Unmatched Durability for Medium-Heavy Tasks

The 323D features reinforced structural components and a heavy-duty undercarriage, designed to withstand impact and wear in construction and mining. Sealed, lubricated track chains and reinforced boom/arm ensure a service life of over 12,000 hours under normal operation, reducing downtime and maintenance costs by 15–20% compared to competitors.

2. Exceptional Fuel Efficiency & Low Operating Costs

The CAT C6.4 ACERT engine with optimized combustion achieves 8–10% lower fuel consumption than peer models, translating to annual savings of $1,400–$1,800 for 2,000 working hours. Extended service intervals (500 hours for oil changes, 2,000 hours for hydraulic oil changes) reduce maintenance frequency, further lowering total ownership costs.

3. High Productivity & Versatile Performance

With a bucket capacity of 0.5–1.28 m³ and digging force of 140 kN, the 323D efficiently handles earthmoving, rock excavation, and material loading. It supports quick attachment changes (3–5 minutes) for hydraulic breakers, grapples, and augers, adapting to demolition, waste handling, and road construction.

4. Operator-Centric Comfort & Safety

The ROPS/FOPS certified cab, air-suspension seat, and low-noise design (≤78 dB(A)) enhance operator comfort during long shifts. The intuitive control system and 360° visibility minimize errors and improve job site safety, reducing accident risks by 25% compared to conventional excavators.

5. Global Service & Support

CAT’s global network of 2,100+ dealers ensures timely access to genuine parts and professional service in 160+ countries. The 323D comes with comprehensive technical support, including remote diagnostics and on-site maintenance, maximizing equipment uptime and reliability.


Typical Application Scenarios

1. Medium-Scale Construction Projects

  • Foundation excavation for high-rise buildings, commercial complexes, and bridges.
  • Earthmoving and grading for highways, railways, and airport runways.
  • Material loading for concrete batching plants and construction sites.

2. Light Mining & Quarry Operations

  • Rock excavation and loading in small open-pit mines and quarries.
  • Overburden removal and ore extraction in light mining projects.
  • Crushing and screening of aggregates for construction materials.

3. Demolition & Waste Handling

  • Demolition of industrial buildings, houses, and structures.
  • Waste sorting and loading in landfills and recycling facilities.
  • Concrete and asphalt breaking for road reconstruction projects.

4. Municipal & Infrastructure Engineering

  • Trenching for water, gas, and sewage pipelines.
  • Construction of ports, harbors, and coastal protection works.
  • Land reclamation and flood control projects.

5. Rental Fleet Operations

Ideal for rental companies due to its durability, versatility, and high demand. Widely rented by contractors and municipal agencies for medium-term projects, offering stable returns and high resale value.


Foreign Trade Service Guarantee

1. Customization Options

  • Track Solutions: Standard steel tracks or heavy-duty rubber tracks for paved surfaces.
  • Climate Packages: Cold-climate package (engine heater, battery warmer) for cold regions; hot-climate package (high-capacity AC, enhanced cooling) for hot markets.
  • Cab Configurations: Open canopy or enclosed cab with heating/AC for year-round operation.
  • Multilingual Documentation: Operation manuals and parts catalogs in English, Spanish, Arabic, French, Russian, etc.

2. Inspection & Certification

  • Pre-Shipment Inspection: Rigorous checks by CAT or third-party institutions (SGS, BV) to ensure quality and compliance.
  • Export Certifications: CE for EU, EPA for North America, Tier 2 emission reports, CO, commercial invoice, packing list, and bill of lading.
  • Import Support: Professional team assists with import permits, customs clearance, and tax declaration in target countries.

3. Warranty & Training

  • Global Warranty: 1-year or 2,000-hour warranty (whichever comes first) for core components; 6-month warranty for non-core parts.
  • Free Training: On-site/online operator and maintenance training in local languages, covering safe operation and maintenance.

4. Spare Parts & After-Sales

  • Global Parts Supply: CAT’s parts network ensures delivery within 3–7 days in major markets and 7–15 days in remote areas.
  • Consignment Stock: Common spare parts (filters, bucket teeth, hydraulic hoses) available for bulk buyers in target markets.
  • On-Site Service: Optional maintenance contracts including regular inspections and on-site repairs to maximize uptime.

Why Choose CAT 323D?

The CAT 323D 23-ton medium heavy crawler excavator combines CAT’s legendary durability with advanced technology, delivering unmatched power, efficiency, and reliability. Its medium-heavy design excels in construction, mining, and demolition, while versatile attachments meet diverse application needs. Backed by CAT’s global service network, it offers low operating costs and high investment returns. Whether you’re a mining company, large contractor, or rental fleet operator, the CAT 323D is your ultimate solution for medium-heavy projects.

Contact Us

For real-time quotes on new/used CAT 323D excavators, attachment customization, bulk discounts, or rental solutions, contact our foreign trade team. We offer competitive pricing, flexible payment terms (LC, TT, DP), and door-to-door shipping globally. Our professional team provides one-stop services from product selection to after-sales support, helping you achieve business success.


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