Used CAT M320D2 Wheel Excavator Introduction
The Used CAT M320D2 Wheel Excavator is a mature and high-efficiency 20-ton-class wheeled excavator launched by Caterpillar, specially designed for municipal engineering, road maintenance, urban construction and flexible earthmoving operations. Different from traditional crawler excavators, the CAT M320D2 features road travel capability, flexible steering, fast transition speed, stable digging performance and low site damage. With original CAT engine and intelligent load-sensing hydraulic system, it balances power, fuel economy and mobility perfectly, becoming the most popular wheel excavator model for urban and highway projects worldwide.
Basic Machine Overview
This pre-owned CAT M320D2 wheel excavator is in excellent well-maintained condition with low working hours and complete regular maintenance records. The whole machine retains original CAT factory paint and intact body structure, without frame deformation, structural cracks, major collision damage and oil leakage problems. All core components are genuine CAT original parts, including CAT C4.4 diesel engine, main hydraulic pump, control valve, heavy-duty wheel drive axle, steering system and reinforced working devices. With an operating weight of about 20 tons, fast road driving speed and standard high-strength bucket, the M320D2 realizes free transition between multiple construction sites, no need for trailer transportation, greatly improving construction flexibility and overall working efficiency.
Core Power & Fuel Economy
Equipped with a genuine CAT C4.4 four-cylinder turbocharged diesel engine, the CAT M320D2 outputs stable and sufficient power reserve, fully meeting daily excavation, trenching, loading, lifting and slope finishing operations. Adopting Caterpillar’s mature electronic fuel injection and precise combustion control technology, the engine features strong power, low noise, low vibration and outstanding fuel-saving performance. The intelligent power adaptive system automatically adjusts power output according to working resistance, effectively reducing idle fuel consumption and heavy-load energy loss. Compared with other wheel excavators of the same class, the M320D2 has more stable power output and lower comprehensive fuel consumption, greatly reducing long-term operation costs for municipal and road contractors.
Hydraulic System & Working Performance
The CAT M320D2 adopts Caterpillar’s advanced load-sensing hydraulic system, with sensitive response, smooth compound actions and high control precision. The boom, arm, bucket and slewing movements are coherent and stable without lag or jitter. It provides strong breakout force and excellent fine-tuning performance, supporting efficient trenching, foundation excavation, material loading, road repairing and accurate slope shaping. The hydraulic system is optimized for frequent urban operation, with stable pressure output, low failure rate and strong durability. It can adapt to long-hour frequent cyclic work, ensuring consistent and efficient construction quality.
Unique Wheel-Type Mobility & Structural Durability
As a professional wheel excavator, the biggest advantage of CAT M320D2 is its super flexible road mobility. It can drive on urban roads, asphalt roads and gravel roads at a stable speed, realizing self-driving transition between construction sites, saving transportation costs and improving construction progress. The heavy-duty welded frame, reinforced boom and arm structure effectively resist working impact and structural fatigue. The high-strength wheel-side drive system and wear-resistant tires provide stable load-bearing capacity and anti-slip performance, adapting to complex working environments such as urban roads, muddy construction sites and gravel yards. The whole machine has reasonable structural design, strong wear resistance and long service life.
Operator Comfort & Safety Design
The CAT M320D2 is equipped with a spacious luxury enclosed cab with panoramic wide vision, which clearly covers the working range of the bucket and surrounding site conditions, eliminating operation blind areas. The cab is built with multi-layer sound insulation, vibration reduction and dustproof design, effectively reducing internal noise and improving long-working comfort. The lightweight intelligent operating handle is sensitive and precise, reducing operator fatigue. The machine is equipped with ROPS anti-roll protection, real-time whole-machine monitoring, intelligent fault self-diagnosis, stable braking system and emergency protection devices, comprehensively ensuring safe and stable operation in complex urban construction scenarios.
Application Scenarios & Core Advantages
The CAT M320D2 wheel excavator is widely used in urban municipal construction, highway and rural road maintenance, pipeline trenching, garden greening, site cleaning, residential foundation excavation and material handling. Its core competitive advantages are road drivable, flexible and efficient, low ground damage, fuel-saving and durable, easy maintenance. It perfectly solves the problem of difficult transition and road surface damage of crawler excavators in urban projects. With mature and stable performance, ultra-low failure rate and global universal spare parts supply, it is the preferred classic wheel excavator for global municipal engineering and road construction projects.
After-sales & Supply Guarantee
All stocked used CAT M320D2 wheel excavators undergo strict full-system inspection and professional functional debugging before delivery, including engine power testing, hydraulic system calibration, walking and steering function detection, braking system verification and full-machine heavy-load operation test. We provide complete equipment qualification documents, true working hour records and detailed professional inspection reports. Supported by Caterpillar’s global after-sales service system and sufficient original spare parts supply, customers can obtain timely technical support and parts replacement worldwide, ensuring long-term stable and efficient operation of the equipment.
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