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Used Caterpillar 320C Excavator | 20 Ton Hydraulic Crawler Digger | Original Cat 3066T Engine Heavy Duty Well Maintained

Product Introduction

$18000- $20000 per UnitMinimum Order Quantity1 UnitLoading Order more and save

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Price & MOQ (Purchase Information)

ItemSpecification
Reference FOB Price$18000 - $20000 / Unit
Minimum Order Quantity1 Unit
Loading PortShanghai Port / Ningbo Port, China
Bulk Discount2% off for 3+ units; 5% off for 5+ units

Note: The final transaction price varies based on production year, accumulated working hours, overall machine condition, undercarriage wear degree, complete maintenance records and optional attachment configuration. Please contact our sales team for an accurate quotation of the in-stock unit.

Product Overview

The Caterpillar 320C is an iconic 20-ton class hydraulic crawler excavator in Cat's legendary C-Series lineup, globally renowned for its heavy-duty build quality, reliable mechanical structure and outstanding durability in harsh working environments. As one of the most widely recognized classic excavator models, it remains the top choice for used equipment buyers in emerging markets due to its easy maintenance and low operating cost. This pre-owned unit retains 100% original Caterpillar factory components, with verified no history of major structural accidents, engine overhauls or catastrophic hydraulic system failures.

Powered by the field-proven Cat 3066T turbocharged direct-injection diesel engine and matched with a robust dual variable-displacement piston pump hydraulic system, the 320C delivers strong digging force and steady power output under long-hour heavy loads. All in-stock machines have passed strict pre-delivery inspection and completed scheduled maintenance with premium filters and lubricants. Compared with brand-new generation excavators, this used 320C cuts acquisition cost by 50%–60% while maintaining reliable working performance, making it a cost-effective workhorse for medium-to-large construction contractors, quarry operators and earthmoving service providers.

Core Product Advantages

  • Field-proven Cat 3066T six-cylinder turbocharged direct-injection diesel engine with strong power reserve, excellent fuel tolerance and straightforward on-site maintenance

  • Heavy-duty dual variable displacement piston pump hydraulic system with sufficient flow output, smooth compound movements and stable performance under continuous heavy-duty operation

  • Reinforced heavy-gauge boom, stick and X-type undercarriage frame, professionally inspected and certified free of structural cracks or post-accident welding repairs

  • Class-leading bucket breakout force and 20-ton operating weight, delivering robust earthmoving capability for general excavation, quarry loading and large-scale site preparation

  • Mature mechanical design with low failure rate; widely available aftermarket spare parts at affordable prices, minimizing downtime and long-term ownership cost

  • ROPS-certified spacious operator cabin with wide all-round visibility, ergonomic control layout and adjustable suspension seat, reducing fatigue during long working shifts

  • Globally recognized classic model with universal technical standards; service technicians and replacement parts are easily accessible in almost all overseas construction markets

  • Ready-to-ship inventory with 7–15 days fast delivery, supported by full one-stop export customs clearance, documentation and international logistics services

General Specifications

ParameterValue
ModelCaterpillar 320C
Operating Weight (Standard Configuration)20,400 kg (44,974 lb)
Standard Bucket Capacity0.9 m³ (1.18 yd³)
Maximum Digging Depth (Standard Stick)6,710 mm (22 ft 0 in)
Maximum Reach at Ground Level9,860 mm (32 ft 4 in)
Maximum Digging Height9,160 mm (30 ft 1 in)
Overall Transport Length9,490 mm (31 ft 2 in)
Overall Height (Top of Cab)3,060 mm (10 ft 0 in)
Overall Machine Width2,800 mm (9 ft 2 in)
Standard Track Shoe Width600 mm Triple Grouser Steel Shoe

Power System Specifications

ParameterValue
Engine ModelCat® 3066T Turbocharged Direct Injection Diesel
Net Flywheel Power (ISO 9249)103 kW (138 hp) @ 2,000 rpm
Gross Power Output109 kW (146 hp)
Cylinder Configuration6-cylinder inline, water-cooled, turbocharged
Displacement6.37 L (389 in³)
Bore × Stroke102 mm × 130 mm
Fuel Tank Capacity390 L (103 US gal)
Emission StandardEPA Tier 2 / EU Stage II

Hydraulic & Working Performance

ParameterValue
Hydraulic System TypeOpen-center system with dual variable displacement piston pumps
Total Pump Flow (2 Pumps)2 × 205 L/min (2 × 54.2 US gpm)
Main System Operating Pressure343 bar (4,975 psi)
Bucket Breakout Force (ISO)111.2 kN (25,000 lbf)
Stick Digging Force (Standard)75.3 kN (16,928 lbf)
Swing Speed11.5 rpm
Travel Speed (High / Low)5.5 km/h / 3.4 km/h
Maximum Drawbar Pull198 kN (44,510 lbf)
Gradeability70% (35°)
Total Hydraulic System Capacity310 L (81.9 US gal)
Ground Bearing Pressure (Standard Shoe)44.3 kPa (6.4 psi)

Application Scenarios

This used CAT 320C hydraulic excavator demonstrates exceptional adaptability to harsh working environments and is widely exported to Southeast Asia, the Middle East, Africa, Latin America and Eastern European markets. As a rugged 20-ton class workhorse with simple maintainability and low operating cost, it is extremely popular among local construction contractors and earthmoving fleet operators. Typical application scenarios include:

  • Highway and road construction, building foundation excavation, large-scale site grading and bulk earthmoving projects

  • Quarry and mining operations, aggregate loading, rock excavation and heavy-duty material handling works

  • Municipal engineering, water conservancy projects, pipeline trenching and urban infrastructure construction

  • Building demolition projects when equipped with hydraulic breaker, and bulk material sorting with grapple attachment

  • Large-scale farmland improvement, irrigation canal excavation and agricultural infrastructure projects

  • Long-term heavy-duty construction rental fleets and general contracting earthmoving service businesses

Service Promise

  • Pre-shipment Inspection: Support third-party inspection by SGS, BV and other authoritative institutions; provide HD working condition test videos and detailed machine condition reports before delivery.

  • Full Export Services: Cooperate with professional international freight forwarders, supporting FOB, CIF, EXW, DAP and other trade terms; handle full customs declaration, certificate of origin and shipping arrangement.

  • After-sales Technical Support: 3-month quality warranty for core components (engine block, main hydraulic pump); provide 24/7 online technical guidance and spare parts supply channels.

  • Secure Transaction: Accept T/T, irrevocable L/C at sight and other mainstream international payment methods to ensure transaction security for both parties.

* All specifications above correspond to Caterpillar factory standard configuration. Minor parameter variations may occur across different production batches and optional equipment packages. Please consult our sales representative to confirm exact specifications and condition of the currently available in-stock unit.

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