Used Caterpillar 326DExcavator

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📋 OVERVIEW

Parameter	Specification
Series	D-Series (Mid-Size)
Manufacturer	Caterpillar Inc.
Production Years	~2007 – 2014 (replaced by 326D2/326 GC)
Class	25–30 ton (Mid-size hydraulic excavator)
Operating Weight	~26,300 kg (57,980 lb)
Engine	Cat® C7.1 ACERT®
Net Power	174 hp (130 kW) @ 2,000 rpm
Bucket Capacity	0.9 – 1.2 m³ (1.2 – 1.6 yd³)
Emission Standard	EPA Tier 3 / EU Stage IIIA

🔧 1. ENGINE — Cat C7.1 ACERT®

Feature	Detail
Type	6-cylinder, in-line, turbocharged & aftercooled diesel
Displacement	7.1 liters (433 cu in)
Power Output	174 hp (130 kW)
Emissions	ACERT technology — DOC + DPF (no DEF/AdBlue needed)
Fuel Tank	~400 L (106 gal)
Features	Auto-idle, engine speed control, electric starting

✅ ACERT = Advanced Combustion Emission Reduction Technology — reduces emissions while maintaining performance and fuel efficiency.

🏗️ 2. HYDRAULIC SYSTEM

Feature	Specification
Type	Load-Sensing Hydraulic System
Max System Pressure	350 bar (5,076 psi)
Pump Flow	2 × 224 L/min (112 L/min per pump)
Total Flow	~448 L/min (118 gal/min)
Auxiliary Flow	56 L/min (15 gal/min) — for attachments
Swing System	Hydrostatic swing with variable speed
Travel Motors	Axial piston, variable displacement

📏 3. DIMENSIONS & PERFORMANCE

Parameter	Value
Max Digging Depth	6,700 mm (22 ft 0 in)
Max Reach (Ground Level)	9,900 mm (32 ft 6 in)
Max Dumping Height	7,200 mm (23 ft 7 in)
Max Digging Radius	10,200 mm (33 ft 6 in)
Dozer Blade Capacity	Available (optional)
Gradeability	70% (35°)
Travel Speed	5.0 km/h (3.1 mph)
Swing Speed	10.1 rpm
Ground Pressure	~48 kPa (7.0 psi)

🪣 4. WORKING TOOLS (Bucket Options)

Bucket Type	Capacity	Use
General Purpose (GP)	1.0 m³ (1.3 yd³)	General excavation, loading
Heavy Duty (HD)	0.95 m³ (1.25 yd³)	Rocky/hard material
Long Reach	0.8 m³ (1.0 yd³)	Deep digging, dredging
Trenching	0.3 – 0.5 m³	Narrow trench work
Grading/Tilt	1.0 m³	Fine grading, leveling
Thumb	Optional	Material handling, sorting

🖥️ 5. OPERATOR ENVIRONMENT (Cab)

Feature	Detail
Cab Type	ROPS/FOPS certified, pressurized
Air Conditioning	Standard with auto climate control
Seat	Air-ride suspension seat with heat
Display	LCD monitor with machine info, diagnostics
Controls	Pilot-operated levers with pattern changer
Sound Level	~73 dB(A) — relatively quiet for its class
Visibility	Large front/rear/side windows, rear-view camera ready
Safety	Seat belt interlock, anti-theft immobilizer

⚡ 6. KEY TECHNOLOGIES & FEATURES

Technology	Description
🔄 Auto-Idle	Engine reduces RPM when not working → saves fuel (~10-15%)
📊 Product Link™	GPS telematics — remote monitoring of location, hours, fuel, diagnostics
🛠️ Cat Detect	Object detection radar (optional) — alerts operator of nearby obstacles
🔁 Pattern Changer	Switch between work modes (Power, Eco, Lift, etc.)
🧠 Eco Mode	Optimizes engine & hydraulic performance for fuel savings
🔧 Ground-Level Service	Many daily checks accessible from ground level
📱 Cat VisionLink	Fleet management & remote diagnostics

📊 7. FUEL EFFICIENCY

Condition	Approx. Fuel Consumption
Idle	~5.5 L/hr (1.5 gal/hr)
Light Work	~15 L/hr (4.0 gal/hr)
Heavy Work	~25–30 L/hr (6.6–8.0 gal/hr)
Average	~20 L/hr (5.3 gal/hr)

🟢 The 326D was designed for ~10% better fuel efficiency compared to its predecessor (Cat 325D).

🆚 8. COMPARISON WITH COMPETITORS

Model	Weight	Power	Bucket
Cat 326D	26,300 kg	174 hp	1.0 m³
Komatsu PC270-11	26,800 kg	177 hp	1.1 m³
Hitachi ZX270-5G	27,000 kg	178 hp	1.0 m³
Volvo EC290D	28,900 kg	177 hp	1.1 m³
Doosan DX260LC-5	25,800 kg	176 hp	1.0 m³

The 326D is known for excellent fuel economy, reliability, and strong resale value.

✅ 9. STRENGTHS & WEAKNESSES

✅ Strengths	❌ Weaknesses
Excellent fuel efficiency	Higher purchase price vs. some Korean brands
Superior dealer network (Cat)	Heavier than some competitors
Strong resale value	Higher maintenance costs (OEM parts)
Comfortable & quiet cab	Older emission standards vs. newest models
Reliable C7.1 engine	Limited availability of used units now (discontinued)
Versatile attachment options

🔧 10. COMMON APPLICATIONS

Application	Suitability
🏗️ General excavation	⭐⭐⭐⭐⭐
🪨 Road construction	⭐⭐⭐⭐⭐
🏭 Demolition (with breaker)	⭐⭐⭐⭐
🌊 Dredging (long reach)	⭐⭐⭐⭐
🛤️ Pipeline laying	⭐⭐⭐⭐
🌲 Land clearing	⭐⭐⭐⭐
🧱 Material handling	⭐⭐⭐⭐
🏚️ Light demolition	⭐⭐⭐

📌 SUMMARY

The Caterpillar 326D is a highly reliable, fuel-efficient mid-size excavator in the 26-ton class. Powered by the proven Cat C7.1 ACERT engine, it delivers 174 hp with excellent hydraulic performance. Known for its comfortable cab, low operating costs, and strong residual value, it was one of the best-selling excavators in its class during its production run (2007–2014). It has since been succeeded by the 326 GC and 326D2 models.

Would you like more details on any specific aspect — such as pricing, maintenance schedule, attachment compatibility, or comparison with the newer 326 GC? 🚜