Used Caterpillar 320Excavator

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📌 1. GENERAL OVERVIEW

Item	Detail
Manufacturer	Caterpillar Inc. (USA)
Class	Mid-Size Hydraulic Excavator (~20-ton / 22-ton class)
Generation	Legacy 320 → 320 GC (Next Gen) ← Current
Production	One of the best-selling excavators worldwide
Primary Use	General construction, road building, mining, demolition, landscaping, utilities

The CAT 320 is considered the "workhorse" of the construction industry — versatile, reliable, and productive.

🔧 2. ENGINE SPECIFICATIONS (320 GC Next Gen)

Parameter	Specification
Engine Model	CAT C4.4 ACERT® DIT
Type	4-Cylinder, Turbocharged, Aftercooled Diesel
Emission Standard	Tier 4 Final / Stage V (EPA)
Rated Power	152 HP (113 kW) @ 2,000 rpm
Max Torque	444 lb-ft (602 Nm) @ 1,400 rpm
Displacement	4.4 Liters (268 cu in)
Fuel System	Common Rail Direct Injection (DIT)
Fuel Tank Capacity	~380 L (100 US gal)
DEF Tank	~20 L (5.3 US gal) — for SCR system

⚖️ 3. OPERATING WEIGHT & DIMENSIONS

Parameter	Specification
Operating Weight	20,680 – 21,500 kg (45,590 – 47,400 lbs) (varies by configuration)
Transport Length	~9,780 mm (32.1 ft)
Transport Width	~2,990 mm (9.8 ft)
Transport Height	~3,110 mm (10.2 ft)
Ground Clearance	~460 mm (18.1 in)
Tail Swing Radius	~2,860 mm (9.4 ft)

🪣 4. PERFORMANCE & DIGGING SPECIFICATIONS

Parameter	Specification
Max Digging Depth	6,760 mm (22.2 ft)
Max Reach (Ground Level)	9,900 mm (32.5 ft)
Max Dumping Height	~7,060 mm (23.2 ft)
Max Digging Reach	~9,870 mm (32.4 ft)
Bucket Capacity Range	0.6 – 1.2 m³ (0.8 – 1.6 yd³)
Breakout Force (Boom)	~121 kN (27,200 lbf)
Breakout Force (Arm)	~146 kN (32,800 lbf)
Hydraulic Flow	~320 L/min (84.5 gpm)
Operating Pressure	350 bar (5,076 psi)

🖥️ 5. CAB & OPERATOR ENVIRONMENT

The 320 GC features Caterpillar's next-generation cab, one of the best in the industry:

Feature	Detail
✅ CAT GRADE	Standard 2D/3D grade control with GPS/GLONASS
✅ Touchscreen Monitor	10" (254 mm) high-resolution display
✅ Climate Control	Auto A/C with heated/ventilated seat
✅ Visibility	Excellent all-around visibility, large glass area
✅ Noise Level	~68 dB(A) — very quiet for its class
✅ Suspension Seat	Air-suspended, fully adjustable
✅ Camera System	Rear-view and side-view cameras (optional)
✅ Bluetooth/USB	Connectivity for operators
✅ ROPS/FOPS	Fully certified rollover & falling object protection

🛤️ 6. UNDERCARRIAGE OPTIONS

Option	Specification
Standard Tracks	600 mm (24 in) triple-grouser shoes
Wide Tracks	750 mm (30 in) — for soft ground / swamp
Long Undercarriage (L)	+450 mm for extra stability
Shoe Width	600 mm or 750 mm
Number of Rollers	5 per side
Track Pitch	160 mm (6.3 in)

🔌 7. HYDRAULIC SYSTEM & ATTACHMENTS

Feature	Detail
Hydraulic System	Load-Sensing, Variable Displacement Pump
Auxiliary Hydraulic Lines	2 circuits (bidirectional flow)
Quick Coupler Ready	✅ Yes (hydraulic or mechanical)
Thumb Ready	✅ Yes (optional hydraulic thumb)
Piping Ready	✅ Yes (for hydraulic breaker/shear)
Compatible Attachments	Bucket, Thumb, Hydraulic Breaker, Shear, Grapple, Auger, Ripper, Compactor, etc.

🆚 8. MODEL VARIANTS

Model	Key Difference
320 (Legacy)	Older generation, still widely used in rental fleets
320 GC	Next Gen with CAT GRADE, improved cab, better fuel efficiency
320 GC XE	Extreme Performance — higher flow, more power, for heavy-duty work
320 L	Long Reach arm option (~10.7 m reach)
320 UHD	Ultra High Demolition — longer reach, heavier counterweight

📊 9. COMPARISON WITH COMPETITORS

Spec	CAT 320 GC	Komatsu PC200-11	Hitachi ZX200-6	Volvo EC200E
Power	152 HP	152 HP	147 HP	158 HP
Weight	~21,100 kg	~20,700 kg	~20,800 kg	~20,500 kg
Max Dig Depth	6.76 m	6.78 m	6.77 m	6.64 m
Bucket	0.6–1.2 m³	0.5–1.0 m³	0.45–0.93 m³	0.5–1.0 m³
Grade Tech	CAT GRADE ✅	✅	✅	✅
Fuel Efficiency	⭐⭐⭐⭐⭐	⭐⭐⭐⭐	⭐⭐⭐⭐	⭐⭐⭐⭐

💡 10. KEY ADVANTAGES

✅ Advantage	Explanation
🏆 Fuel Efficiency	Up to 10% better than previous gen — saves thousands/year
📈 Productivity	Optimized hydraulic system = faster cycle times
🛠️ Low Maintenance	Extended service intervals (500/1000/2000 hr)
🔧 Dealer Network	Largest global dealer network in the industry
📦 Parts Availability	Excellent — most common machine = easiest to source parts
💰 Resale Value	Highest resale value in its class
🏗️ Versatility	From digging to demolition — does it all
📊 Technology	CAT GRADE, Product Link™, VisionLink® telematics

💵 11. APPROXIMATE PRICING (2024)

Configuration	Estimated Price (USD)
320 GC (New)	$170,000 – $220,000
320 GC XE (New)	$210,000 – $260,000
Used (2018-2022)	$90,000 – $150,000
Rental (Daily)	$500 – $800/day

Prices vary by region, configuration, and dealer

🎯 12. COMMON APPLICATIONS

🏗️ Application	Usage
General Excavation	Trenches, foundations, pits
Road Construction	Grading, ditching, pipe laying
Mining	Loading trucks, bench work
Demolition	With breaker/shear attachment
Landscaping	Grading, pond digging
Utilities	Cable/pipe installation
Material Handling	With grapple or magnet

📝 13. SUMMARY

Category	Rating
Power	⭐⭐⭐⭐⭐
Fuel Efficiency	⭐⭐⭐⭐⭐
Comfort	⭐⭐⭐⭐⭐
Technology	⭐⭐⭐⭐⭐
Durability	⭐⭐⭐⭐⭐
Resale Value	⭐⭐⭐⭐⭐
Overall	🏆 BEST-IN-CLASS MID-SIZE EXCAVATOR

🔑 Bottom Line:
The Caterpillar 320 GC is arguably the most popular 20-ton excavator in the world — combining power, efficiency, technology, and reliability in one package. Whether you're a contractor, rental company, or mining operation, the CAT 320 delivers maximum productivity with minimum operating cost.

Would you like me to go deeper into any specific aspect — like maintenance schedule, hydraulic schematics, or comparison with a specific competitor? 🚜