Caterpillar 320D / 320DL Crawler Used Excavator for Sale
Looking for a reliable, high-performance used excavator that balances productivity, efficiency, and cost-effectiveness? Look no further than the Caterpillar 320D / 320DL Crawler Excavator. Renowned for Caterpillar's legendary durability and engineering excellence, this medium-sized crawler excavator is ideal for a wide range of construction applications, from general excavation and site preparation to road building, pipeline installation, and quarry operations. Whether you're expanding your fleet or replacing aging equipment, this used 320D/320DL offers exceptional value without compromising on performance.
Powerful & Efficient Performance
At the heart of the 320D/320DL is the proven Cat 3066 TA engine, delivering a net power of 138 hp (103 kW) per ISO 9249 standards. This robust 6-cylinder engine is engineered for optimal fuel efficiency, thanks to the precise combination of lower engine speeds and a large hydraulic pump that minimizes fuel consumption while maintaining top-tier performance. The advanced electro-hydraulic (EH) system further enhances efficiency, with intelligent mode logic that automatically matches engine and hydraulic power to your digging conditions—ensuring you get the right amount of power when you need it, without wasting fuel.
With a maximum travel speed of 3.5 mph (5.6 km/h) and a powerful drawbar pull of 46,311 lb (21,007 kg), this crawler excavator navigates rough job sites with ease. The 320DL variant, equipped with a long undercarriage, offers enhanced stability for heavy-lifting and deep-excavation tasks, with an operating weight of 47,400 lb (21,501 kg) compared to the standard 320D's 44,700 lb (20,275 kg). The hydraulic system boasts a maximum pressure of 5,076 psi (35,000 kPa) for travel and equipment, delivering responsive, precise control for smooth digging, lifting, and swinging operations—with a swing speed of 11.5 rpm and swing torque of 45,612 lb-ft (61,840 N·m) for efficient cycle times.
Operator-Centric Comfort & Safety
The 320D/320DL features a spacious, ergonomically designed cab that prioritizes operator comfort and productivity during long shifts. The user-friendly interface includes intuitive controls and a clear monitor, allowing operators to quickly set up the machine, adjust tool settings, and access critical information—all with the touch of a finger. The adjustable seat, climate control, and reduced noise levels create a comfortable working environment, while the redesigned cab structure with narrower pillars, large windows, and a flat engine hood provides exceptional visibility to all areas of the job site.
Safety is paramount, with the standard ROPS (Roll-Over Protective Structure) cab meeting ISO 12117-2:2008 requirements. A hydraulic lockout lever prevents accidental operation of hydraulic and travel functions when not in use, and a ground-level emergency stop switch allows for quick shutdown if needed. The optional rearview camera or 360° vision system further enhances job site safety by alerting operators to nearby personnel or obstacles, reducing the risk of accidents.
Low Maintenance Costs & Maximum Uptime
One of the key advantages of the Caterpillar 320D/320DL is its low maintenance requirements, designed to keep your machine running and reduce downtime. All daily maintenance points are easily accessible from ground level—eliminating the need to climb on top of the machine—including oil checks, filter replacements, and fuel refills. The advanced hydraulic oil filter offers superior filtration performance with a replacement interval of up to 3,000 hours, and a two-stage fuel filter protects the engine from low-quality fuel, extending engine life.
The grease-lubricated undercarriage features sealed, rebuildable rollers that prevent dirt and debris from causing internal wear, while lubricated links minimize bushing wear and reduce noise. The heavy-duty boom and stick are constructed from high-tensile steel with internal baffles to absorb stress, making them durable enough to withstand the toughest job site conditions. Additionally, Caterpillar's S·O·S SM monitoring system allows for quick oil sample analysis, helping you proactively identify potential issues before they lead to costly repairs.
Versatility for All Applications
Equipped with auxiliary hydraulic options, the 320D/320DL supports a wide range of Cat work tools, including buckets, hydraulic hammers, grapples, and shears—making it versatile enough to handle excavation, demolition, material handling, and more. The Advansys™ bucket tooth system allows for quick and safe tooth replacement with a simple lug wrench (no special tools required), reducing downtime and improving productivity. This excavator also excels in extreme temperature conditions, operating reliably in temperatures up to 52°C (125°F) and cold-starting down to -18°C (0°F) (with an optional -32°C/-25°F cold-start kit available).
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