Used Caterpillar 324D2 Excavator

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Detailed Introduction to CATERPILLAR 324D2 Crawler Excavator

The Caterpillar 324D2 is a 24-ton class medium-sized crawler excavator from Caterpillar’s D2 product line, upgraded from the classic 324D model. It is designed to balance high performance, extreme durability, and low operating costs, adapting to heavy-duty working conditions across both emerging and mature markets, and meets EPA Tier 3 / EU Stage IIIA non-road emission standards.

1. Engine Performance

The 324D2 is equipped with a Caterpillar proprietary C7 ACERT 6-cylinder inline diesel engine, with a displacement of 7.2L:

Net rated power: 140 kW (188 hp) at 2000 rpm, delivering strong torque reserve for high-altitude, high-temperature, and heavy-load working conditions.
ACERT technology optimizes fuel injection timing and combustion efficiency, reducing fuel consumption by 6~10% compared to previous generation models of the same tonnage.
Built-in automatic idle management system, which lowers engine speed automatically when the equipment is idle for a short time, cutting unnecessary fuel waste.
Dual-stage fuel filtration system with 99.9% filtration efficiency, adapts to low-quality fuel in remote areas, and reduces engine failure risk.
Excellent cold start performance, can start normally at -32℃ with an optional cold start kit.

2. Hydraulic System

It adopts Caterpillar’s mature load-sensing, pressure-compensated hydraulic system, ensuring precise and smooth action coordination:

Total hydraulic pump output flow: 420 L/min, maximum system pressure: 350 bar, delivering strong digging force.
Independent flow distribution technology: ensures stable operation even when performing compound actions (e.g., boom lifting + bucket retracting + swing at the same time), no stalling or speed drop.
Optional hydraulic priority function, can allocate flow preferentially to boom, bucket or travel system according to working condition demands, improving operation efficiency.
Extended hydraulic oil service interval of 5000 hours under normal working conditions, reducing maintenance costs. The system is equipped with a high-efficiency oil return filter to avoid hydraulic circuit pollution.

3. Structural Durability

The 324D2 uses Caterpillar’s industry-leading heavy-duty structural design, suitable for harsh working scenarios such as quarrying and mining:

Upper and lower frames adopt box-type welded structure made of high-strength low-alloy steel, after stress relief treatment, resist strong impact and torsion deformation.
Standard heavy-duty boom and stick, with thickened wear-resistant plates at key stress points, service life is 30% longer than similar products.
Sealed and lubricated track chain, supporting rollers and idlers, with long wear life, and reduce daily greasing frequency.
Optional track configurations: standard track (ground pressure 55 kPa) for hard ground, wide track (ground pressure 42 kPa) for soft and muddy ground.
Bucket capacity ranges from 1.2 m³ to 2.0 m³, optional general-purpose bucket, rock bucket, heavy-duty wear-resistant bucket to match different working conditions.

4. Operator Comfort & Safety

ROPS/FOPS certified enclosed cab, with pressurized sealing design, indoor noise level lower than 78 dB(A), isolates dust and external noise.
Fully adjustable air suspension seat, ergonomic short-travel control joysticks, reduce operator fatigue during long-hour operation.
High-efficiency heating and cooling air conditioning system, large-angle wiper, and adjustable skylight, ensure a clear view and comfortable working environment in extreme weather.
Standard LCD monitoring panel, displays real-time parameters such as fuel level, oil temperature, water temperature, and fault codes, for timely understanding of equipment status.
Optional rear-view camera and perimeter lighting system, eliminate blind spots, and improve operation safety at night or in narrow sites.

5. Maintenance & Cost Efficiency

All daily maintenance points (oil filling ports, filters, fluid level checks) are arranged at ground-accessible positions, no need to climb onto the upper frame for routine maintenance, saving maintenance time.
Engine oil and filter replacement interval: 500 working hours; air filter replacement interval: 2000 working hours.
Equipped with Caterpillar Product Link remote monitoring system as standard, supports real-time tracking of equipment location, working hours, fuel consumption, and fault alarms, convenient for fleet management, and reduces unplanned downtime.
Caterpillar’s global after-sales service network provides fast spare parts supply and professional technical support, lowering the total life cycle cost of the equipment.

6. Core Technical Specifications

Parameter	Value
Operating weight	24,500 ~ 25,900 kg
Max digging depth (standard boom/stick)	6,720 mm
Max ground level reach	10,300 mm
Max dumping height	6,480 mm
Bucket digging force	175 kN
Stick digging force	121 kN
Travel speed (high/low)	5.5 km/h / 3.3 km/h
Gradeability	70% (35°)
Swing speed	11 rpm

7. Typical Applications

The 324D2 is widely used in municipal construction, highway and railway building, bridge construction, quarry mining, material handling, water conservancy projects, and demolition work. It can be matched with a variety of attachments such as hydraulic breakers, grapples, hydraulic shears, and rippers, to meet diversified operation demands.

Non flooded

No accident

Original product

Used Caterpillar 324D2 Excavator

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