320 excavator for Sale
Massive Digging Power: Equipped with a dual-pump hydraulic system that delivers industry-leading pressure, ensuring maximum bucket penetration even in frozen ground or solid rock.
Intelligent Power Management: Features three switchable power modes (Eco, Standard, and High-Power) that allow operators to tailor the machine’s performance to the specific task, saving up to $18\%$ in fuel.
Heavy-Duty Undercarriage: Built with larger-diameter rollers and reinforced idlers, the long-crawler (LC) design ensures superior flotation and stability on soft or uneven ground.
Advanced Cabin Comfort & Safety: The ROPS-certified cabin includes integrated high-lumen LED lighting, an ergonomic air-suspension seat, and a 360-degree bird's-eye view camera system for total site safety.
Telematics & Remote Diagnostics: Our 2026 "SmartLink" system provides real-time data on fuel levels, engine health, and geofencing, allowing managers to optimize fleet efficiency from their desktop.
When the project demands massive earthmoving and uncompromising reliability, the 320 excavator emerges as the heavy-duty champion of the job site. Designed for large-scale infrastructure, deep-pit mining, and heavy demolition, this 32-ton class machine is engineered to move more material in less time. In the 2026 iteration, we have pushed the boundaries of structural integrity, utilizing high-tensile reinforced steel in the boom and arm to handle the immense torsional stresses of continuous heavy-duty digging. The 320 model isn't just a machine; it is a high-capacity production engine designed to maximize your tons-per-hour output.
Efficiency meets brute force in our latest powertrain design. The 320 excavator features a high-displacement engine that delivers massive torque at low operating speeds, significantly reducing fuel consumption while maintaining the breakout force needed for the toughest rock and clay. With its widened, heavy-duty track frame, this excavator offers a stable platform for high-reach lifting and deep-trenching operations. For fleet owners who prioritize low total cost of ownership (TCO) and high resale value, the 320 series represents the pinnacle of industrial-grade engineering, built to work thousands of hours in the most unforgiving environments.
Performance Specifications：
Operating Weight: 32,000 - 33,500 kg
Bucket Capacity: 1.4 - 1.6 m^3 (Heavy Duty)
Max Digging Reach: 10,500 mm
Engine Type: Tier 4 Final / Stage V Turbocharged Diesel
Key Application Areas
Mining & Quarrying: Primary loading of rock and overburden in mining operations.
Large-Scale Infrastructure: Highway construction, dam building, and large-scale drainage projects.
Heavy Demolition: High-reach demolition of concrete structures using heavy hydraulic shears.
Bulk Material Handling: Efficiently loading large-scale dump trucks and barges.
Maintenance & Reliability
Centralized Lubrication: Comes standard with a centralized grease bank for the boom and swing system, making daily maintenance fast and simple.
Advanced Filtration: Features high-efficiency multi-stage fuel filtration to protect the engine from low-quality fuel often found on remote job sites.
Reinforced Pivot Points: All pins and bushings are induction-hardened to extend service intervals and prevent the "play" that common machines develop over time.
Buyer’s FAQ
Q1: What is the difference between the 320 and the 320 GC?
A: Think of the 320 as the “Premium” model and the 320 GC as the “Economic” model.
320 (Standard): Comes factory-equipped with Cat Grade with 2D, Payload (on-board weighing), and E-Fence (safety barriers). It is designed for high-production jobs where precision saves time and fuel.
320 GC: Designed for light-to-medium duty. it lacks the high-end automated grading tech but offers a lower purchase price and simplified maintenance.
Q2: Is the “Standard Technology” really worth the extra cost?
A: In the 2026 labor market, yes. The 320’s standard Grade Assist and 2D Grade systems can improve operator efficiency by up to 45%. It allows even less experienced operators to hit the grade perfectly the first time, eliminating rework. Additionally, Cat Payload prevents truck over/under-loading, which can save thousands in hauling fines or wasted fuel over a year.
Q3: What are the key performance specs for a 2026 model?
A: For a standard 320 configured with a 5.7m (18’8") reach boom:
Engine: Cat C4.4 (approx. 172 HP / 129 kW).
Operating Weight: ~22,600 kg (49,800 lbs).
Max Digging Depth: 6.72 meters (22 ft).
Bucket Capacity: 1.19 m3m3 (1.56 yd3yd3) standard.
Q4: How has maintenance changed on the “Next Gen” 320 models?
A: Caterpillar has extended service intervals to lower your Total Cost of Ownership (TCO):
Hydraulic Filters: Last up to 3,000 hours (a 50% increase).
Air Intake Filters: Last up to 1,000 hours (a 100% increase).
Fuel Filters: Synchronized for service every 500 hours.
Ground-Level Maintenance: All daily checks (oil, fuel/water separator) are done from the ground, increasing safety and reducing daily “pre-op” time.
Q5: What should I look for in a used “Next Gen” (2018–2025) listing?
A: When buying a used 320, pay attention to the Software & Subscriptions:
Product Link™: Ensure the telematics hardware is active so you can track fuel burn and location.
Hour Meter vs. Work Mode: High “Idle Time” on the computer can be a bargaining chip, as it means the engine was running but not working.
Undercarriage: At this weight class, a full undercarriage replacement can cost $15,000 – $25,000. Check the wear on the bushings and links carefully.
