Product Overview
The refurbished Caterpillar CAT 320D is a versatile 20-ton-class hydraulic crawler excavator suitable for earthmoving, mining, road construction, foundation excavation, municipal engineering, and material handling.
Every machine undergoes complete disassembly, inspection, deep refurbishment, hydraulic-system rebuilding, pressure testing, operational adjustment, and strict quality inspection before delivery. Different undercarriages, buckets, booms, and hydraulic attachments can be supplied according to project requirements.
Main Specifications
| Item | Specification |
|---|---|
| Model | CAT 320D |
| Digging Mode | Backhoe |
| Travel Mode | Crawler Type |
| Transmission Mode | Hydraulic Drive |
| Operating Weight (kg) | 20930 |
| Slewing Speed (rpm) | 11.5 |
| Rated Load (ton) | 20 |
| Rated Power kW (HP) | 103 |
| Engine Model | CAT C6.4ACERT |
| Transport Length (mm) | 9460 |
| Transport Width (mm) | 2800 |
| Transport Height (mm) | 3050 |
Available Versions
CAT 320D Standard Version
The standard CAT 320D combines strong digging performance, maneuverability, and operating stability. It is suitable for earthmoving, road construction, site preparation, and general excavation.
CAT 320DL Long-Undercarriage Version
The CAT 320DL features an extended undercarriage for improved stability during heavy digging, lifting, quarrying, and operation on uneven ground.
CAT 320 GC Fuel-Efficient Version
The lightweight GC version offers lower fuel consumption and operating costs, making it suitable for general construction and customers focused on cost-effective operation.
Key Product Advantages
- Deeply refurbished and remanufactured before delivery
- Powerful direct-injection diesel engine
- Reliable operation with varying overseas fuel quality
- Rebuilt and pressure-tested hydraulic system
- Strong digging and loading performance
- Multiple operating modes for different applications
- Wear-resistant crawler undercarriage
- Excellent climbing and rough-terrain capability
- Standard and long-undercarriage versions available
- Compatible with hydraulic breakers and long-reach booms
- Easy access to spare parts in overseas markets
- Sufficient inventory for single and bulk orders
- Direct port delivery and worldwide shipping available
Engine and Power System
The direct-injection diesel engine delivers reliable power and strong torque for digging, loading, trenching, and quarry operations.
Its practical design makes routine servicing convenient, while the wide global use of Caterpillar equipment helps customers obtain compatible maintenance parts in international markets.
Refurbished Hydraulic System
The hydraulic system is comprehensively inspected, rebuilt, and adjusted to provide responsive control and stable operating pressure.
The refurbishment scope includes:
- Hydraulic pump inspection or replacement
- Travel and swing motor inspection
- Replacement of aging oil seals
- Hydraulic cylinder inspection
- Replacement of worn hydraulic hoses
- Pipeline pressure testing
- Hydraulic oil and filter replacement
- Complete hydraulic-system adjustment
- Operating-pressure and performance testing
Heavy-Duty Undercarriage
The wear-resistant crawler undercarriage provides dependable traction, stability, and durability on challenging jobsites.
It is suitable for:
- Muddy construction sites
- Uneven terrain
- Road and bridge projects
- Mining and quarry operations
- Sloped working areas
- Large-scale earthmoving projects
Bucket and Attachment Options
Different buckets and hydraulic attachments can be supplied according to the intended application.
Available options include:
- Standard earthmoving bucket
- Reinforced heavy-duty bucket
- Rock bucket
- Hydraulic breaker
- Hydraulic shear
- Pulverizer
- Grapple
- Ripper
- Quick coupler
- Long-reach boom and arm
- Custom boom and stick configurations
Remanufacturing Process
Every CAT 320D excavator undergoes a structured refurbishment and inspection process:
- Complete machine disassembly and inspection
- Engine and cooling-system inspection
- Replacement of aging and worn components
- Hydraulic pump and motor rebuilding
- Replacement of seals, hoses, and filters
- Hydraulic pipeline pressure testing
- Undercarriage and track-system inspection
- Electrical and control-system testing
- Cab, air conditioner, seat, and controls refurbishment
- Surface preparation and professional repainting
- Complete machine adjustment and operational testing
- Strict final inspection before shipment
Operator Cab
The CAT 320D is equipped with a ROPS protective cab designed to improve operator safety and comfort.
Cab features include:
- Air-conditioning system
- Ergonomic operator seat
- Responsive control joysticks
- Clear instrument display
- Wide working visibility
- Protective cab structure
- Market-specific operator-station customization
Main Applications
The refurbished CAT 320D is widely used for:
- General earthmoving
- Road and highway construction
- Foundation excavation
- Trenching and pipeline construction
- Mining and quarry operations
- Municipal engineering
- Site preparation and land development
- Demolition projects
- Material loading and handling
- Overseas infrastructure construction
Quality Inspection
Before shipment, every excavator is tested under working conditions. The inspection covers:
- Engine starting and power output
- Hydraulic pressure and response
- Boom, arm, and bucket operation
- Swing and travel performance
- Climbing and steering performance
- Oil and coolant leakage
- Undercarriage condition
- Electrical and safety systems
- Complete machine stability under load

Inventory and Worldwide Shipping
Refurbished CAT 320D excavators are available from stock. We support single-unit purchases, mixed machinery orders, and bulk procurement for overseas contractors and equipment dealers.
Machines can be delivered directly to the designated port. Contact us for current inventory, quotations, machine photos, working videos, inspection reports, optional attachments, and international shipping solutions.





