Used Caterpillar 320CLExcavator

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📌 1. GENERAL OVERVIEW

Feature	Details
Manufacturer	Caterpillar Inc.
Series	Classic L-Series (L = Long Reach / Classic)
Class	Mid-Size Hydraulic Excavator (20-ton class)
Production Era	~2007–2016 (succeeded by 320 GC / 320 Next Gen)
Primary Use	General construction, road building, utilities, landscaping, demolition, mining

The 320CL is one of Caterpillar's most popular and versatile mid-size excavators. It sits between the smaller 315/318 models and the larger 325/330 models, making it a "workhorse" machine on job sites worldwide.

📌 2. ENGINE SPECIFICATIONS

Parameter	Specification
Engine Model	Cat® C4.4 ACERT® Turbo Diesel
Cylinders	4, in-line, turbocharged
Displacement	4.4 Liters (268 cu in)
Rated Power	112 hp (84 kW) @ 2,200 rpm
(Earlier versions)	Cat C6.4 — 129 hp (96 kW)
Emissions	EPA Tier 4 Final / EU Stage IIIA (with DOC + DPF)
Fuel Tank	~400 Liters (106 US gal)
Cooling System	Pressurized, 24.6 Liters (6.5 gal)

✅ The ACERT technology combines Air-Cooled Exhaust Gas Recirculation (EGR) + Diesel Oxidation Catalyst (DOC) + Diesel Particulate Filter (DPF) for clean emissions without sacrificing performance.

📌 3. OPERATING WEIGHT & DIMENSIONS

Parameter	Metric	Imperial
Operating Weight	~20,900 kg	~46,075 lbs
Transport Length	9,530 mm	31 ft 3 in
Transport Width	2,990 mm	9 ft 10 in
Transport Height	3,020 mm	9 ft 11 in
Ground Clearance	450 mm	17.7 in
Track Length (Ground Contact)	3,200 mm	10 ft 6 in
Track Gauge	2,490 mm	8 ft 2 in
Tail Swing Radius	2,750 mm	9 ft 0 in

📌 4. HYDRAULIC SYSTEM

Parameter	Specification
System Type	Closed-center, load-sensing hydraulic system
Max Pump Flow	~350 L/min (92 gpm)
Operating Pressure	35,000 kPa (5,076 psi)
Hydraulic Tank	~130 Liters (34 gal)
Auxiliary Flow (High)	~70 L/min (18 gpm) @ 350 bar
Auxiliary Flow (Standard)	~40 L/min (11 gpm) @ 350 bar

🔧 The load-sensing system automatically adjusts flow and pressure to match the workload, saving fuel and improving efficiency.

📌 5. DIGGING PERFORMANCE ⭐

Performance Metric	Value (Approx.)
Max Digging Depth	6,450 mm (21 ft 2 in)
Max Reach (Ground Level)	9,850 mm (32 ft 4 in)
Max Dumping Height	7,010 mm (23 ft 0 in)
Max Digging Reach (10 ft level)	~9,400 mm (30 ft 10 in)
Max Vertical Wall Dig	~5,900 mm (19 ft 4 in)
Max Force (Boom Cylinder)	~120 kN (27,000 lbf)
Max Force (Arm Cylinder)	~82 kN (18,400 lbf)
Max Force (Bucket Cylinder)	~82 kN (18,400 lbf)

📌 6. BUCKET CAPACITIES

Bucket Type	Capacity (m³)	Capacity (yd³)
General Purpose (GP)	0.75 – 1.0	1.0 – 1.3
Heavy Duty (HD)	0.8 – 1.0	1.0 – 1.3
Rock / Mining	0.5 – 0.7	0.65 – 0.9
Trenching	0.2 – 0.3	0.25 – 0.4

📌 7. UNDERCARRIAGE & TRACKS

Feature	Specification
Track Type	Steel, 600 mm (24 in) triple grouser shoes
Number of Rollers (Each Side)	5 bottom rollers + 1 carry roller + 1 sprocket + 1 idler
Track Width	600 mm
Ground Pressure	~46 kPa (6.7 psi)
Shoe Options	Triple grouser (standard), single grouser, rubber pads, steel pads

🛤️ The triple grouser shoes provide excellent traction and are ideal for muddy, rocky, or soft ground conditions.

📌 8. CAB & OPERATOR COMFORT 💺

Feature	Details
Cab Type	ROPS/FOPS certified, pressurized & filtered
Air Conditioning	Standard
Seat	Air-suspended, heated, fully adjustable
Display	LCD monitor with diagnostic info, fuel consumption, machine hours
Controls	Pilot-operated joysticks with adjustable patterns
Sound Level (Inside Cab)	~72 dB(A)
Camera	Rearview camera (optional on later models)
Lighting	LED work lights (front & rear)

📌 9. FUEL EFFICIENCY &

Condition	Fuel Consumption
Average Operation	~15–18 L/hr (4–5 gal/hr)
Idle	~4.5 L/hr (1.2 gal/hr)
Eco Mode	Available — reduces engine RPM during light work

🟢 Caterpillar's ECO mode and Auto-Idle features can save up to 15% fuel compared to constant full-throttle operation.

📌 10. ATTACHMENT OPTIONS 🔧

The 320CL is highly versatile with quick coupler compatibility:

Attachment	Application
🪨 Hydraulic Breaker (Hammer)	Rock breaking, demolition
🪝 Hydraulic Thumb	Grappling, sorting, loading
🔨 Hydraulic Shear	Scrap metal cutting, demolition
🪣 Trenching Bucket (120–300 mm)	Utility trenching
🪵 Grapple / Orange Peel	Material handling, sorting
🔩 Auger Drive	Piling, drilling
🧹 Rake / Rake Attachment	Landscaping, leveling
🌊 Compaction Wheel	Soil compaction
🧊 Hydraulic Ripper (Shank)	Hard ground, frozen soil

📌 11. COMPARISON WITH SIMILAR MODELS

Model	Weight	Power	Bucket	Class
CAT 315CL	~15,500 kg	97 hp	0.5–0.8 m³	15-ton
⭐ CAT 320CL	~20,900 kg	112 hp	0.75–1.0 m³	20-ton
CAT 325CL	~25,000 kg	153 hp	1.0–1.3 m³	25-ton
CAT 320 GC	~21,000 kg	112 hp	0.75–1.0 m³	20-ton (Next Gen)

📌 12. KEY STRENGTHS ✅

✅ Strength	Description
💪 Powerful yet Fuel Efficient	112 hp with ACERT — great power-to-weight ratio
🔧 Versatile	Quick coupler + wide attachment range
🛤️ Excellent Stability	Wide undercarriage, low center of gravity
💺 Comfortable Cab	Reduces operator fatigue on long shifts
📊 Easy Maintenance	Ground-level service points, diagnostics
🌍 Global Parts Support	Caterpillar dealer network worldwide
💰 Strong Resale Value	Highly sought after in used equipment market

📌 13. COMMON APPLICATIONS 🏗️

Industry	Tasks
🏗️ Construction	Foundation excavation, trench digging, backfilling
🛣️ Road Building	Grading, ditch cleaning, pipe laying
🏭 Mining	Loading trucks, bench digging, quarry work
🌳 Landscaping	Grading, planting, drainage
🏚️ Demolition	Building teardown (with breaker/shear)
🔌 Utilities	Trenching for pipes, cables, fiber optics
🌊 Dredging	Channel clearing (with specialized bucket)

📌 14. SUMMARY

| 🏆 | The CAT 320CL is a reliable, powerful, and fuel-efficient 20-ton class excavator that excels in versatility. With its 112 hp engine, deep digging capability (6.4m+), wide attachment compatibility, and operator-friendly cab, it remains one of the most popular mid-size excavators ever produced by Caterpillar — and continues to be in high demand on the used equipment market worldwide.

📝 Specifications may vary slightly by model year, region, and configuration. Always refer to the official Caterpillar spec sheet for exact numbers.

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