Used Caterpillar 324D2 Excavator

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Detailed Introduction to CATERPILLAR 324D2 Crawler Excavator

The Caterpillar 324D2 is a 24-ton class medium crawler excavator, a core upgraded model in Cat’s D2 excavator lineup developed by Caterpillar Inc. It is designed for high reliability, fuel efficiency and extreme condition adaptability, especially targeted at emerging markets with variable fuel quality and heavy-duty job site demands.

1. Core Powertrain Performance

The 324D2 is powered by the Cat C7.1 ACERT inline 6-cylinder 4-stroke turbocharged diesel engine:

Net power output reaches 140 kW (188 hp) at 2,000 rpm, with sufficient power reserve for hard rock digging, heavy load lifting and high-intensity continuous operations
Complies with EU Stage IIIA / US EPA Tier 3 emission regulations, no complex aftertreatment system (such as DPF) is installed, making it highly tolerant to low-quality diesel, reducing post-maintenance risks for users in remote areas
Optimized fuel injection system cuts idle fuel consumption by 12% compared to the previous generation 324D model.

2. Advanced Hydraulic System

It is equipped with Cat’s proprietary load-sensing hydraulic system, delivering precise and smooth operation control:

Total main pump flow rate reaches 404 L/min (2×202 L/min), maximum hydraulic pressure is 35 MPa
Built-in boom priority, swing priority and multi-action coordination logic, ensuring no lag or卡顿 during simultaneous operations (e.g. digging while swinging, lifting while traveling), shortening single operation cycle time by 8% compared to peer products
Independent pilot control system with low operating force, reducing long-term operation fatigue for operators
Optional auxiliary hydraulic circuit (flow rate adjustable from 20 to 200 L/min) to support various hydraulic attachments.

3. Key Operating Specifications

Item	Parameter (standard configuration: 5.7m boom + 2.9m stick)
Operating weight range	23,600 kg – 25,700 kg (varies by counterweight, bucket and undercarriage configuration)
Standard bucket capacity	1.0 m³ – 1.6 m³ (max optional 1.9 m³ bucket for light-density material handling)
Maximum digging depth	6,720 mm (up to 7,280 mm with optional 3.5m long stick)
Maximum horizontal reach at ground level	9,970 mm
Maximum dump height	6,480 mm
Swing speed	11 rpm
Maximum drawbar pull	215 kN
Travel speed	3.5 km/h (low gear) / 5.5 km/h (high gear)
Gradeability	70% (35°)

4. Structural Durability Design

The 324D2 is engineered for 15,000+ hours of service life under heavy-duty conditions:

X-shaped lower frame and box-type upper chassis adopt high-tensile strength steel with full penetration welding, with extra reinforced rib plates at high-stress points (boom foot, stick end, track roller frame) to resist impact and deformation
Sealed and Lubricated Track (SALT) system reduces track pin wear, extending track service life by 30% compared to ordinary unsealed tracks
Heavy-duty undercarriage components (support rollers, idlers, sprockets) undergo special heat treatment, with strong abrasion resistance for quarry and mining sites.

5. Operator-Centric Cab Design

The cab is certified with ROPS (Roll-Over Protective Structure) and FOPS (Falling Object Protective Structure), ensuring operator safety in high-risk operations such as demolition and quarry loading
Fully sealed pressurized cab blocks 99% of external dust, interior noise level is controlled below 78 dB(A)
Equipped with fully adjustable air suspension seat, ergonomic pilot joysticks, automatic constant-temperature air conditioning, and a 7-inch LCD monitor that displays real-time operating data, fault alerts and fuel consumption statistics
Optional rear-view camera and LED work lighting package to eliminate blind spots and support safe night operation.

6. Low Maintenance & Operating Cost

All regular maintenance points (oil filters, fuel filters, air filters, grease points) are centrally arranged and accessible at ground level, cutting daily pre-inspection time by 20%
Extended service intervals reduce downtime: engine oil and filter change every 500 operating hours, hydraulic oil and filter change every 4,000 operating hours, air filter replacement every 1,000 hours in normal dust conditions
Optional Cat Product Link™ telematics system supports remote monitoring of equipment location, working hours, fuel usage and fault codes, helping fleet managers optimize scheduling and reduce unexpected breakdown losses
Global Caterpillar after-sales network guarantees accessible genuine spare parts and professional technical support worldwide.

7. Versatile Applications

The 324D2 adapts to a wide range of working scenarios, and supports full line of Cat original attachments:

Earthwork, road construction, municipal engineering and residential development projects
Quarrying, mining and aggregate loading operations
Water conservancy projects and pipeline laying
Demolition (with optional hydraulic breaker and fall protection kit)
Bulk material handling (with optional grapple, clamshell bucket or ripper)
Optional quick coupler allows 1-minute attachment switching without the operator leaving the cab.

Core Competitive Highlights

Industry-leading tolerance to harsh working conditions and low-quality fuel, extremely low failure rate
7~10% lower fuel consumption than same-class competitors under the same workload
Long service life of structural components, reducing long-term replacement and maintenance costs
High residual value, with 60%+ resale value after 5 years of normal operation.

Non flooded

No accident

Original product

Used Caterpillar 324D2 Excavator

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