Used Caterpillar 320D2Excavator

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📌 1. OVERVIEW

The Cat 320D2 is a 20-ton class (medium-sized) hydraulic excavator manufactured by Caterpillar Inc. It was introduced in 2014 as the successor to the popular Cat 320D, featuring the "D2" Series upgrades — the next generation of Cat's D-Series machines. It is designed for general construction, road building, utility work, landscaping, and mining applications.

🎯 Key Selling Point: Best-in-class fuel efficiency, operator comfort, and advanced technology at a competitive price point.

📌 2. KEY SPECIFICATIONS AT A GLANCE

Specification	Details
Model	320D2 GC (General Construction) / 320D2 L (Long Reach)
Series	D2 (Next-Gen D-Series)
Operating Weight	~48,910 lbs (22,185 kg)
Engine	Cat C4.4 ACERT® Diesel
Net Power	129 hp (96 kW) @ 2,000 rpm
Max Torque	369 lb-ft (500 Nm) @ 1,400 rpm
Bucket Capacity	0.8 – 1.2 cu yd (0.6 – 0.9 m³)
Max Digging Depth	23.2 ft (7.07 m)
Max Digging Reach	31.7 ft (9.66 m)
Max Dump Height	23.8 ft (7.25 m)
Hydraulic Flow	2 × 83 gpm (314 L/min) or 1 × 105 gpm (397 L/min)
Operating Pressure	5,076 psi (35 MPa)
Emission Standard	EPA Tier 4 Final / EU Stage V
Fuel Tank Capacity	79.3 gal (300 L)

📌 3. ENGINE — Cat C4.4 ACERT®

Feature	Details
Type	4-cylinder, turbocharged & aftercooled diesel
Displacement	4.4 liters (268 cu in)
Power Rating	129 hp (96 kW)
Emissions Technology	Diesel Particulate Filter (DPF) + Selective Catalytic Reduction (SCR) — NO Diesel Exhaust Fluid (DEF) required in some configurations*
Fuel Efficiency	Up to 25% better fuel efficiency vs. 320D
*Note:	Some markets require DEF for Tier 4 Final compliance

✅ The C4.4 ACERT engine is known for its reliability, durability, and low operating costs.

📌 4. HYDRAULIC SYSTEM

The 320D2 features an advanced hydraulic system with:

Feature	Specification
Pump Type	Variable displacement piston pump
Max Flow (Dual Flow)	2 × 83 gpm (314 L/min)
Max Flow (High Flow)	1 × 105 gpm (397 L/min) — for attachments like hammers
Max Working Pressure	5,076 psi (35 MPa)
Swing System	Variable speed swing motor
Travel Motors	Variable displacement piston motors

🔧 The high-flow option (105 gpm) makes it ideal for hydraulic breakers, shears, and other high-demand attachments.

📌 5. DIMENSIONS & WEIGHT

Dimension	Measurement
Transport Length	32.6 ft (9.94 m)
Transport Width	9.8 ft (2.99 m)
Transport Height	10.2 ft (3.10 m)
Track Length on Ground	13.3 ft (4.05 m)
Track Shoe Width	23.6 in (600 mm) — Triple Grouser option available
Ground Clearance	1.6 ft (480 mm)
Tail Swing Radius	9.8 ft (2,990 mm)
Operating Weight (GC)	48,910 lbs (22,185 kg)

📌 6. CAB & OPERATOR COMFORT 🪑

The 320D2 received a completely redesigned cab — one of the best in its class:

Feature	Details
✅ Spacious Cab	15% more interior space than 320D
✅ Fully Suspended Seat	Air-ride seat with armrests
✅ Climate Control	Automatic A/C with heating
✅ Noise Level	67 dB(A) — very quiet
✅ 8" Touchscreen Monitor	Rearview camera, machine info, diagnostics
✅ USB & Bluetooth	Connectivity options
✅ Low Effort Controls	Reduced joystick force by ~50%
✅ Automatic Engine Idle	Saves fuel when idle
✅ Eco-Mode	Optimizes performance for fuel savings
✅ Power Mode Selector	P / E / L modes for different work conditions

📌 7. TECHNOLOGY & SMART FEATURES 🖥️

Technology	Description
📡 Cat Product Link™	Remote machine monitoring, diagnostics, fleet management
📐 Cat GRADE with 2D	Standard — single-axis slope control
📐 Cat GRADE with 3D	Optional — dual-axis slope control (blade/boom)
📐 Cat GRADE with Advanced 2D	Optional — boom & stick angle sensors
📊 VisionLink®	Cloud-based fleet management
🔒 Security	Cat Security with engine immobilizer
🔧 Remote Flash	Software updates via Product Link

🧠 The 3D GRADE option is a game-changer for finish grading — allows operators to dig to exact design elevations with minimal staking.

📌 8. PERFORMANCE HIGHLIGHTS

Performance Metric	320D2 vs 320D (Improvement)
&Fuel Efficiency**	Up to 25% better
⚡ Lift Capacity	Up to 15% better
🔨 Breakout Force	Up to 10% better
🏃 Travel Speed	Up to 10% faster
🔧 Service Intervals	Extended — up to 1,000 hours

📌 9. ATTACHMENTS COMPATIBILITY

The 320D2 is compatible with a wide range of Cat and third-party attachments:

Attachment	Application
🔨 Hydraulic Breaker (Hammer)	Rock breaking, demolition
' Shear / Grapple	Demolition, scrap handling
🪣 Quick Coupler	Fast attachment change
🔩 Thumb	Pipe handling, sorting
🪚 Rake	Landscaping, leveling
🕳️ Auger	Post hole drilling
🧹 Bucket (GP / Rock / Cleanup)	General digging

📌 10. COMPARISON: 320D vs 320D2

Feature	320D (Old)	320D2 (New)
Engine	C4.4 ACERT	C4.4 ACERT (Improved)
Power	145 hp	129 hp (optimized for efficiency)
Fuel Efficiency	Baseline	~25% better
Cab	Old design	Redesigned, spacious
Monitor	Basic LCD	8" Touchscreen
Technology	Basic Product Link	Product Link + GRADE ready
Service Interval	500 hrs	1,000 hrs
Emissions	Tier 3 / Stage IIIA	Tier 4 Final / Stage V

⚠️ Note: The 320D2 has slightly less peak horsepower (129 vs 145 hp) but delivers better fuel economy and lower total cost of ownership.

📌 11. APPLICATIONS 🌐

Sector	Use Cases
🏗️ General Construction	Foundation, trenching, grading
🛣️ Road Building	Excavation, paving prep
🌿 Landscaping	Grading, utility installation
⛏️ Mining	Light to medium mining, stockpiling
🏚️ Demolition	With breaker/shear attachments
🔌 Utilities	Pipeline, cable trenching
💧 Water/Sewer	Trench digging, manhole work

📌 12. PRICING (Approximate — 2024 Market)

Configuration	Approximate Price (USD)
320D2 GC (New)	$155,000 – $175,000
320D2 L (Long Reach)	$175,000 – $195,000
320D2 GC (Used, ~3,000 hrs)	$95,000 – $120,000
320D2 GC (Used, ~6,000 hrs)	$75,000 – $95,000

(Prices vary by region, dealer, and configuration)

📌 13. SUMMARY — WHY CHOOSE THE 320D2?

✅ Strengths	❌ Limitations
🏆 Best fuel efficiency in class	Slightly less peak power than 320D
🪑 Excellent operator comfort	Not suitable for heavy mining (use 320/323)
📡 Advanced technology (GRADE, Product Link)	Higher upfront cost than competitors
🔧 Low maintenance & long service intervals	DEF required in some emission markets
💰 Lowest total cost of ownership (TCO)	Limited swing radius in tight spaces

🏆 FINAL VERDICT

The Cat 320D2 is widely regarded as one of the best 20-ton excavators ever made. It strikes an excellent balance between productivity, fuel efficiency, operator comfort, and technology — making it the go-to choice for contractors worldwide. If you need a reliable, efficient, and technologically advanced mid-size excavator, the 320D2 is hard to beat. 💪

Would you like me to compare it with competitors like Komatsu PC200-8, Volvo EC200E, or Hitachi ZX200-6? 🚜