Used Caterpillar 320GCExcavator

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📌 Overview

The Cat 320GC is a medium-class hydraulic excavator belonging to Caterpillar's Next Generation GC (General Construction) series. It replaced the legendary 320D/320D L models and is designed for general construction, road building, utility work, landscaping, and light demolition. It balances productivity, fuel efficiency, and operator comfort in the 20-ton class.

🔧 1. ENGINE

Specification	Detail
Engine Model	Cat C4.4 ACERT®
Type	4-cylinder, turbocharged & aftercooled diesel
Displacement	4.4 liters (268 cu in)
Power Output	110 kW (148 hp) @ 2,000 rpm
Max Torque	563 N·m (415 lb-ft) @ 1,400 rpm
Emission Standard	Tier 4 Final / Stage V (EPA & EU)
Fuel Tank Capacity	~400 L (106 gal)
DEF Tank (SCR)	~20 L (5.3 gal)

✅ The ACERT technology provides excellent fuel efficiency and lower emissions without sacrificing power.

& 2. HYDRAULIC SYSTEM

Specification	Detail
Main Pump Type	Variable displacement piston pump (2 pumps)
Total Flow	2 × 221 L/min (58.4 gal/min) = ~442 L/min total
Working Pressure	34,500 kPa (5,000 psi)
Swing System	Variable displacement swing motor with planetary reduction
Swing Speed	8.7 rpm
Travel Motors	Variable displacement piston motors

🔄 The load-sensing hydraulic system matches flow and pressure to demand, saving fuel during light work.

📐 3. DIMENSIONS & WEIGHT

Specification	Metric	Imperial
Operating Weight	~20,000 – 20,700 kg	44,090 – 45,640 lbs
Transport Width	2,990 mm	117.7 in
Track Length (Ground)	3,190 mm	125.6 in
Transport Height	3,020 mm	118.9 in
Ground Clearance	430 mm	16.9 in
Tail Swing Radius	2,710 mm	106.7 in

💪 4. PERFORMANCE / DIGGING SPECS

Specification	Metric	Imperial
Max Digging Depth	6,550 mm	21.5 ft
Max Digging Reach	9,680 mm	31.8 ft
Max Dumping Height	7,200 mm	23.6 ft
Max Vertical Wall Dig	5,240 mm	17.2 ft
Max Reach at Ground Level	9,390 mm	30.8 ft
Bucket Capacity Range	0.75 – 1.15 m³	1.0 – 1.5 yd³
Bucket Digging Force	~123 kN	27,700 lbf
Arm Crowd Force	~85 kN	19,100 lbf

🛡️ 5. UNDERCARRIAGE OPTIONS

Option	Width	Best For
Standard Triple Grouser	600 mm (24 in)	General construction
Wide Triple Grouser	750 mm (30 in)	Soft ground, muddy conditions
Car Bottom / BG Cage	Various	Demolition, scrap yards
3-Shoe / 2-Shoe	Various	Tight spaces, pavement

🖥️ 6. TECHNOLOGY & SMART FEATURES

Feature	Description
📡 Cat Product Link™	Telematics — real-time machine monitoring, location tracking, diagnostics
📐 Cat Grade with 2D/3D	GPS-guided grading — automatically controls boom, stick & bucket for precise slope/level work
🎥 Cat Vision (Camera)	Rear-view & side-view cameras with in-cab monitor for safer operation
🪑 Ride Control Suspension	Optional — actively dampens vibrations for operator comfort
🔇 Auto Engine Idle	Engine speeds down when not working → saves up to 15% fuel
🔒 Hydraulic Lockout	Locks hydraulic flow when not in use → safety + efficiency
📱 Cat PAYLOAD (Optional)	Real-time payload weighing — no guesswork on loads

🏠 7. OPERATOR CAB — COMFORT & SAFETY

Feature	Detail
Cab Type	ROPS/FOPS certified, pressurized & filtered
Seat	Air-suspended, heated, fully adjustable
Climate Control	Auto A/C with heater
Display	10" (254 mm) touchscreen monitor
Controls	Joystick with programmable buttons, thumb-wheel travel control
Noise Level	~72 dB(A) — one of the quietest in class
Visibility	Large glass area, excellent all-round visibility

📊 8. FUEL EFFICIENCY

Condition	Approx. Fuel Consumption
Heavy Digging	~25–28 L/hr (6.6–7.4 gal/hr)
Moderate Work	~18–22 L/hr (4.8–5.8 gal/hr)
Idle / Light Work	~8–12 L/hr (2.1–3.2 gal/hr)

🏆 The 320GC is ~10-15% more fuel efficient than its predecessor (320D) thanks to the C4.4 engine + smart hydraulics.

🏗️ 9. TYPICAL APPLICATIONS

Application	Details
✅ Excavation & Trenching	Utility, pipeline, foundation work
✅ Loading Trucks	Loading haul trucks, dumpers
✅ Grading & Leveling	With Cat Grade 2D/3D
✅ Landscaping	Digging, grading, planting
✅ Light Demolition	With hydraulic breaker or shear
✅ Road Construction	Base prep, drainage
✅ Material Handling	With grapple, magnet, or thumb

🆚 10. COMPARISON WITH COMPETITORS

Spec	Cat 320GC	Komatsu PC200-11	Kobelco SK210LC-10	Volvo EC200E
Power	148 hp	147 hp	146 hp	149 hp
Weight	~20,700 kg	~20,600 kg	~21,000 kg	~20,200 kg
Max Dig Depth	6.55 m	6.55 m	6.62 m	6.44 m
Fuel Tank	400 L	400 L	360 L	340 L
Tech	⭐⭐⭐⭐⭐	⭐⭐⭐⭐	⭐⭐⭐⭐	⭐⭐⭐⭐

💰 11. APPROXIMATE PRICING (2024)

Configuration	Price Range (USD)
New Machine (Base)	$160,000 – $185,000
With Cat Grade 2D	$185,000 – $210,000
With Cat Grade 3D	$200,000 – $230,000
Used (5,000–8,000 hrs)	$80,000 – $130,000

(Prices vary by region, dealer, and configuration)

⭐ SUMMARY — WHY CHOOSE THE 320GC?

✅ Strength	Explanation
🏆 Proven Reliability	Caterpillar's reputation for uptime & durability
⛽ Fuel Efficient	~15% better than previous gen
🖥️ Best-in-Class Technology	Grade, Payload, Vision, Product Link
🪑 Operator Comfort	Quiet cab, air seat, excellent ergonomics
🔧 Easy Maintenance	Extended service intervals, ground-level access points
📈 Strong Resale Value	Cat machines hold value exceptionally well

🎯 The Cat 320GC is one of the BEST mid-size excavators on the market — perfect for contractors who want productivity, technology, and low operating costs in a reliable package.

Would you like me to dive deeper into any specific area — like attachments, maintenance schedule, or comparison with 320 vs 320GC? 🚜