Used Caterpillar 320GXExcavator

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📌 1. OVERVIEW

The Caterpillar 320GX is a 20-tonne class (medium-sized) hydraulic excavator introduced as part of Cat's Next Generation GX Series (launched ~2021). It is the successor to the popular 320 GC / 320 GC Next Gen models, featuring significant upgrades in fuel efficiency, operator comfort, technology, and productivity.

Parameter	Details
Manufacturer	Caterpillar Inc.
Series	GX (Next Generation)
Class	Medium Excavator (~20 tonnes)
Production	~2021 – Present
Primary Markets	Construction, Mining, Demolition, Infrastructure, Utilities

📌 2. KEY SPECIFICATIONS

Specification	Value
Operating Weight	~20,400 – 21,000 kg (45,000 – 46,300 lbs)
Engine	Cat® C4.4 ACERT® (Tier 4 Final / Stage V)
Rated Power	110 kW (147 hp) @ 2,000 rpm
Peak Power (with Power Boost)	~129 kW (173 hp)
Bucket Capacity (SAE)	0.8 – 1.1 m³ (1.0 – 1.4 yd³)
Max Digging Depth	~6.7 m (22.0 ft)
Max Reach (Ground Level)	~9.7 m (31.8 ft)
Max Dump Height	~7.0 m (23.0 ft)
Max Breakout Force	~135 kN (30,350 lbf)
Travel Speed	4.8 km/h (3.0 mph)
Fuel Tank Capacity	~400 L (106 gal)
Hydraulic Flow (Total)	~2 × 205 L/min (54 gal/min)
Operating Pressure	350 bar (5,076 psi)

Note: Specs may vary slightly by configuration (long reach, counterweight, etc.)

📌 3. ENGINE — Cat C4.4 ACERT®

Feature	Detail
Type	4-cylinder, turbocharged, aftercooled diesel
Displacement	4.4 L (268 in³)
Emissions	Tier 4 Final (EPA) / Stage V (EU) — No DEF (Diesel Exhaust Fluid) required
Aftertreatment	DOC + DPF + SCR (in some regions) or DOC+DPF only
Fuel Efficiency	Up to 10% better than the previous 320 GC model
Maintenance Intervals	Extended service intervals — up to 1,000 hours between oil changes

📌 4. HYDRAULIC SYSTEM

Feature	Detail
Type	Closed-center load-sensing hydraulic system
Pump Type	Variable displacement piston pumps (2 main pumps)
Auxiliary Flow	Available for attachments (thumb, breaker, grapple)
Boom/Arm/Bucket Cylinders	Heavy-duty, with regeneration circuit option
Smart Hydraulics	Available with Cat Smart Hydraulics — matches flow/pressure to demand, saving fuel

📌 5. DIMENSIONS

Dimension	Value
Transport Length (w/ stick)	~9.8 m (32.2 ft)
Transport Height	~3.1 m (10.2 ft)
Transport Width	~2.99 m (9.8 ft)
Tail Swing Radius	~2.7 m (8.9 ft)
Ground Clearance	~450 mm (17.7 in)
Track Width	600 mm (23.6 in) triple-grouser shoes
Track Length (on ground)	~3.6 m (11.8 ft)

📌 6. CAB & OPERATOR COMFORT — ✨ NEW GX CAB

The 320GX features the all-new GX cab, one of the biggest upgrades:

Feature	Detail
🪟 Visibility	30% better all-around visibility vs. previous gen
💺 Seat	Fully air-suspended seat with heating, ventilation & armrests
🖥️ Display	10" (254 mm) touchscreen monitor with Cat Product Link
🎛️ Controls	Ergonomic joysticks with programmable buttons
🔊 Noise Level	~72 dB(A) — significantly quieter
❄️ Climate Control	Auto climate control with 4-zone ventilation
📶 Connectivity	Wi-Fi ready, USB ports, Bluetooth
🪜 Entry/Exit	Wider door opening, anti-slip steps, grab handles

📌 7. TECHNOLOGY & SMART FEATURES 🤖

Technology	Description
Cat Product Link™	Real-time machine monitoring, location tracking, diagnostics, fleet management
Cat Grade with 2D/3D	GPS-guided grading — single-operator precision (optional)
Cat Payload	Real-time bucket payload weighing — prevents overloading
Cat Detect with Vision	Camera-based object detection for safety around the machine
Cat Grade Control	Automated boom/stick/bucket control for grading tasks
Remote Flash	Over-the-air software updates
Security	PIN code security, immobilizer, theft detection

📌 8. SAFETY FEATURES 🛡️

Feature	Detail
✅ ROPS/FOPS certified cab	Falling object & rollover protection
✅ Rearview camera	Standard
✅ LED work lights	Standard (front, rear, boom)
✅ Anti-theft system	Cat Security (optional)
✅ Auto engine idle shutdown	Saves fuel when idle
✅ Emergency stop	Easily accessible

📌 9. ATTACHMENTS & VERSATILITY 🔧

The 320GX is highly versatile and supports a wide range of Cat work tools:

Attachment	Application
🪣 General Purpose Bucket	Excavation, loading
🪨 Heavy Duty Bucket	Rock, hard material
🔨 Hydraulic Breaker (Hammer)	Demolition, concrete breaking
🫳 Quick Coupler	Fast attachment change
🌲 Thumb	Material handling, log grappling
🔄 Rotating Grapple	Sorting, demolition
🧹 Tiltrotator	Versatile angle adjustment
🔌 Shear	Metal cutting, demolition
🕳️ Auger	Drilling, piling

📌 10. FUEL EFFICIENCY & COST SAVINGS 💰

Feature	Benefit
&proved engine + hydraulics	Up to 10% fuel savings vs. 320 GC
🔧 Extended service intervals	Lower maintenance costs
🔋 Auto idle shutdown	Reduces unnecessary fuel burn
📊 Product Link telematics	Helps optimize fleet fuel usage
🛢️ No DEF required (in some configs)	Simplifies operation

💡 Cat claims the 320GX can save up to $15,000–$20,000/year in fuel & maintenance vs. competitors

📌 11. COMMON CONFIGURATIONS

Configuration	Description
320 GX	Standard — short stick, 20T class
320 GX LR	Long Reach — extended boom/arm for deep/far digging
320 GX + Counterweight	Extra stability for heavy attachments
320 GX with Smart Tech	Full Grade, Payload, Vision package

📌 12. COMPETITORS

Competitor	Model	Class
🇯🇵 Komatsu	PC200-11 / PC210LCi-11	20T class
🇯🇵 Hitachi	ZX200-6 / ZX210LC-6	20T class
🇰🇷 Doosan	DX225LC-5 / DX225LCR-5	22T class
🇰🇷 Hyundai	R200LC-5 / R210LC-5	20T class
🇸🇪 Volvo	EC200E / EC220E	20-22T class
🇨🇳 SANY	SY205C / SY215C	20T class
🇨🇳 XCMG	XE200DA / XE215DA	20T class

📌 13. SUMMARY — WHY CHOOSE THE 320GX? ⭐

✅ Strength	📋 Detail
💪 Proven Reliability	Cat's legendary durability & dealer network
&Fuel Efficient**	Best-in-class fuel economy for its size
🤖 Smart & Connected	Industry-leading telematics & automation
🪑 Operator Comfort	Best cab in its class
🔧 Low Cost of Ownership	Longer intervals, less downtime
🌐 Resale Value	Cat machines hold value exceptionally well

📌 QUICK SPEC SHEET (At a Glance)


🏋️ Weight	~20,400 kg
🔧 Engine	Cat C4.4 ACERT — 147 hp
🪣 Bucket	0.8 – 1.1 m³
📏 Max Depth	6.7 m
📏 Max Reach	9.7 m
⛽ Fuel Tank	400 L
🖥️ Tech	Product Link, Grade, Payload, Vision

📌 The Caterpillar 320GX is widely regarded as one of the best medium-class excavators on the market — combining Cat's proven reliability with next-generation technology, comfort, and efficiency. 🏆

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