2021 Caterpillar 323 Diesel

2021 Caterpillar 323 Excavator – 2,165 Hours

This 2021 Caterpillar 323 Excavator pairs dependable Cat Diesel power with a complete work-ready configuration designed to deliver productivity from day one. Showing just 2,165 hours and backed by NLEQ’s careful testing and inspection process, this crawler excavator offers the right blend of performance, comfort, and versatility for serious contractors who need a reliable machine that can move seamlessly between trenching, site prep, utility work, demolition support, and material handling. With Auxiliary Hydraulics, Tool Control Auxiliary Hydraulics, a Pin Grabber Quick Coupler, Hydraulic Thumb, a 9'6" Stick, 31" Track Pads, a 36" Digging Bucket, and an enclosed Cab with AC and Heated Cab, this Caterpillar 323 is set up to maximize output and minimize downtime on real-world jobsites.

Specifications

• Make: Caterpillar
• Model: 323
• Year: 2021
• Hours: 2,165
• Category: Excavator
• NLEQ Stock Number: 146833
• Price: $189,750.00
• Engine/Fuel: Cat Diesel
• Drive: Crawler
• Stick: 9'6" Stick
• Track Pads: 31" Track Pads
• Hydraulics: Auxiliary Hydraulics
• Hydraulics: Tool Control Auxiliary Hydraulics
• Coupler: Pin Grabber Quick Coupler
• Thumb: Hydraulic Thumb
• Bucket: 36" Digging Bucket
• Cab: Enclosed Cab with AC and Heated Cab

Condition

With 2,165 operating hours, this Caterpillar 323 presents as a clean, work-ready excavator that has been carefully tested and inspected by NLEQ. Controls are responsive, the Cat Diesel starts and runs as expected for the hour range, and the hydraulic functions operate smoothly. The undercarriage and attachments exhibit wear consistent with the hours, and the machine is configured for immediate deployment thanks to its installed Auxiliary Hydraulics, Tool Control Auxiliary Hydraulics, Pin Grabber Quick Coupler, Hydraulic Thumb, and 36" Digging Bucket. As with every piece of heavy equipment we offer, NLEQ provides accurate, honest information so you can buy with confidence.

Advantages of This Configuration

• Cat Diesel power – Known for reliability, torque, and broad dealer support, Cat Diesel engines deliver dependable performance and serviceability. For owners, that means easier maintenance planning, strong parts availability, and a powerplant designed for long service life under tough conditions.
• Crawler undercarriage – The crawler drive supplies stable footing and excellent tractive effort on uneven or soft ground. Whether you are working in mud, clay, or mixed site conditions, the crawler configuration helps the excavator stay planted for precise trenching and lifting.
• Auxiliary Hydraulics – Factory-style auxiliary circuits open the door to productivity with attachments like thumbs, compactors, grapples, and hammers. Having hydraulic plumbing in place reduces setup time and keeps your fleet flexible across changing scopes of work.
• Tool Control Auxiliary Hydraulics – Tool Control allows operators to manage flow and pressure settings tailored to specific attachments. In practice, this improves performance, protects tools, and speeds up changeovers when switching between, for example, a Hydraulic Thumb and other hydraulic work tools.
• Enclosed Cab with AC and Heated Cab – Climate-controlled comfort reduces operator fatigue across long shifts and seasonal temperature swings. The ability to maintain clear windows and a comfortable environment translates into better focus, safer operation, and consistent productivity.
• 9'6" Stick – This stick length provides a versatile balance of reach, digging depth, and breakout efficiency. It’s a practical choice for utility trenching, general excavation, foundation work, and loading trucks without sacrificing control in tight sites.
• 31" Track Pads – The 31-inch track pads offer a strong footprint for stability and flotation. Wider pads help distribute ground pressure, protecting finished surfaces where possible while supporting confident travel and digging on softer terrain.
• Pin Grabber Quick Coupler – Quickly switch buckets or attachments from the cab, cutting downtime between tasks. A Pin Grabber Quick Coupler adds tremendous flexibility to your daily operations, allowing crews to adapt instantly as job requirements change.
• Hydraulic Thumb – Secure pipes, demolition debris, brush, and irregular materials with positive grip. A Hydraulic Thumb transforms the Caterpillar 323 from a pure digging machine into a capable material handler, boosting utilization and making complex lifts easier and safer when properly executed.
• 36" Digging Bucket – The 36-inch bucket is a jobsite staple for utility lines and general excavation, offering a productive cut width while keeping trench spoil manageable. It’s a practical match for the 9'6" Stick and the hydraulic setup on this excavator.

Applications

• Utility trenching and pipe installation – The 9'6" Stick, 36" Digging Bucket, and Hydraulic Thumb make the Caterpillar 323 a strong fit for municipal and private utility work. Auxiliary Hydraulics and Tool Control ensure quick adaptation to compactors or specialty tools.
• Site development and grading support – Use the Crawler undercarriage and 31" Track Pads to maintain stability while benching, shaping, and loading. The Pin Grabber Quick Coupler makes changing between buckets fast when moving from trenching to mass excavation or cleanup.
• Roadwork and public infrastructure – The combination of precise hydraulics and operator comfort in the AC and Heated Cab helps crews stay productive on long-day civil projects under a wide range of weather conditions.
• Demolition support and material handling – The Hydraulic Thumb and Quick Coupler enable rapid switching between a 36" Digging Bucket and other attachments, making sorting and loading debris more efficient when appropriately equipped.
• Land clearing and forestry prep – Grip brush, logs, and stumps with the Hydraulic Thumb, and count on the crawler stance for traction and stability on uneven ground.
• Quarry and aggregate yard tasks – Reliable Cat Diesel power and attachment flexibility provide efficient stockpile management, loadout assistance, and general yard maintenance.
• Rental fleet addition – A feature-rich Caterpillar 323 with Tool Control Auxiliary Hydraulics and a Pin Grabber Quick Coupler appeals to a wide renter base, enhancing fleet utilization and rental ROI.

Ownership Value

Contractors choose the Caterpillar 323 because it carries the brand’s reputation for durability, productivity, and strong resale. This machine’s Cat Diesel engine, Crawler drive, and versatile hydraulic package give it an excellent utilization profile across diverse projects. The enclosed Cab with AC and Heated Cab supports operator performance year-round, while Tool Control Auxiliary Hydraulics and the Pin Grabber Quick Coupler unlock fast attachment swaps that keep crews moving. For owners, that translates to reduced idle time, more billable hours, and a machine that can evolve with your workload. The 31" Track Pads help protect sensitive surfaces and increase stability in tough underfoot conditions, while the 9'6" Stick and 36" Digging Bucket deliver balanced reach and trenching capability. Add in widely available parts and service through the Caterpillar dealer network, and the long-term cost of ownership becomes easier to manage.

Why This 323 Stands Out

This 2021 Caterpillar 323 Excavator stands out because it’s already configured the way contractors want to run: Auxiliary Hydraulics with Tool Control, a Pin Grabber Quick Coupler, a Hydraulic Thumb, a 9'6" Stick, 31" Track Pads, and a 36" Digging Bucket. With just 2,165 hours, you’re getting a late-model platform that’s been inspected and is ready to go to work. The combination of comfort features in the Cab with AC and Heated Cab, along with Cat Diesel reliability and Crawler stability, positions this unit as a smart purchase for both fleet managers and owner-operators seeking dependable production without the new-equipment premium.

Why Buy from NLEQ

NLEQ is a trusted leader in used heavy construction equipment, and every machine we offer is carefully tested and inspected before sale. We prioritize accurate, honest, and reliable information so buyers can make confident decisions. Our team understands the demands of the jobsite and what contractors expect from a used Excavator, particularly a Caterpillar 323. We can help you evaluate fit for your applications, discuss attachment compatibility for the Auxiliary Hydraulics and Tool Control Auxiliary Hydraulics, and coordinate logistics to your yard or jobsite. When you purchase from NLEQ, you’re partnering with professionals who stand behind the machines they sell.

Next Steps

If this Caterpillar 323 matches your project needs, contact NLEQ referencing stock number 146833. We’ll provide the details you need, review the machine’s configuration including the Pin Grabber Quick Coupler, Hydraulic Thumb, 9'6" Stick, 31" Track Pads, and 36" Digging Bucket, and discuss application-specific questions about Auxiliary Hydraulics and Tool Control Auxiliary Hydraulics. Ask for the latest inspection information, request a delivered quote to your site, and schedule a viewing. Quality used equipment moves quickly—secure this 2021 Caterpillar 323 Excavator with 2,165 hours for $189,750.00 and put a proven, versatile machine to work on your next project.