Used Caterpillar 349D2LExcavator

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📌 Overview

The Caterpillar 349D2L is a large hydraulic excavator in Caterpillar's D2 Series (Generation 2). The "L" stands for "Long Reach", meaning it is specifically designed for deep digging applications such as dredging, riverbank work, deep foundation excavation, and pipeline trenching. It sits between the 345D2L and the 352D2L in Cat's lineup.

Feature	Detail
Series	D2 (2nd Generation)
Class	49-ton (Large)
Manufacturer	Caterpillar Inc.
Production	Ongoing (introduced ~2015)

🔧 Engine

Specification	Detail
Engine Model	Cat® C7.1 ACERT®
Type	6-cylinder, in-line, turbocharged, aftercooled diesel
Displacement	7.1 L (433 in³)
Net Power	260 hp (194 kW) @ 2,200 rpm
Emissions	EPA Tier 4 Final / EU Stage V
Fuel Tank Capacity	~650 L (172 gal)
DEF Tank	Integrated (for SCR aftertreatment)

The C7.1 ACERT delivers excellent fuel efficiency and meets the strictest emission standards worldwide.

⚖️ Weights & Dimensions

Specification	Detail
Operating Weight	~49,000 kg (108,020 lb) (with long reach stick)
Operating Weight (Std Stick)	~47,500 kg (104,700 lb)
Transport Height	~3,430 mm (11 ft 3 in)
Transport Width	~3,200 mm (10 ft 6 in)
Ground Clearance	~470 mm (18.5 in)
Track Gauge	3,200 mm (10 ft 6 in)
Track Shoe Width	600 mm (24 in) triple-grouser

📐 Digging Performance (Long Reach Configuration)

Specification	Detail
Max Digging Depth	~7,920 mm (26 ft 0 in)
Max Reach (Ground Level)	~12,960 mm (42 ft 6 in)
Max Digging Height	~10,380 mm (34 ft 1 in)
Max Dump Height	~7,440 mm (24 ft 5 in)
Max Vertical Wall Dig	~7,180 mm (23 ft 7 in)
Bucket Capacity (SAE)	1.4 – 2.2 m³ (1.8 – 2.9 yd³)
Bucket Capacity (ISO)	1.5 – 2.3 m³ (2.0 – 3.0 yd³)
Max Breakout Force	~195 kN (43,800 lbf)
Tearout Force	~155 kN (34,800 lbf)

🔑 The long reach boom and stick give the 349D2L a significantly deeper digging range than the standard 349D2.

🛢️ Hydraulic System

Specification	Detail
System Type	Load-Sensing, Variable Displacement Piston Pumps
Max Flow	~2 × 296 L/min (78 gal/min)
System Pressure	350 bar (5,076 psi)
Auxiliary Hydraulic Flow	~55 L/min (14.5 gal/min)
Auxiliary Pressure	345 bar (5,000 psi)

The hydraulic system is designed for smooth, precise operation even with heavy work tools like hydraulic shears, grapples, or pile drivers.

🖥️ Technology & Smart Features

Technology	Description
Cat Product Link™	Remote machine monitoring, diagnostics, fleet management, theft detection
Cat GRADE with 2D	Optional GPS-based grade control for precision digging
Cat Payload	Real-time bucket payload weighing (±1% accuracy)
Cat VisionLink®	Job site management platform
Next-Gen Hydraulics	Improved efficiency, faster cycle times, lower fuel consumption
Auto-Engine Idle & Shutdown	Saves fuel when machine is idle
Eco Mode	Reduces engine speed during light-load operations
Security System	Anti-theft with Cat PIN code

🪑 Operator Environment (Cab)

Feature	Detail
Cab Type	ROPS/FOPS certified, pressurized
Noise Level	~70 dB(A) (very quiet for its class)
Air Conditioning/Heating	Full climate control
Seat	Air-suspended, heated, with armrests
Display	8" (203 mm) color touchscreen monitor
Controls	Electronic joystick with programmable buttons
Camera System	Rearview + side cameras (standard)
USB/Bluetooth	Audio connectivity
Lighting	LED work lights (front, rear, sides)

🔩 Undercarriage & Structure

Feature	Detail
Undercarriage	Heavy-duty X-frame
Track Type	Steel tracks with triple-grouser shoes (600 mm)
dozer Blade	Available (straight or tilt)
Counterweight	Cast iron, ~9,500 kg (20,940 lb)
Boom/Stick	High-strength steel, reinforced for long reach
Swing Bearing	Heavy-duty, sealed, greased-for-life

📊 Fuel Consumption (Approximate)

Mode	Consumption
Idle	~7 L/hr (1.8 gal/hr)
Light Load	~18–22 L/hr (4.8–5.8 gal/hr)
Heavy Load	~30–38 L/hr (8–10 gal/hr)
Average (Mixed)	~25 L/hr (6.6 gal/hr)

🔄 Work Tool Attachments (Common)

Attachment	Application
General Purpose Bucket	Excavation, loading
Hydraulic Thumb	Material handling, sorting
Hydraulic Shear	Demolition, scrap metal
Hydraulic Grapple	Log/scrap handling
Vibratory Hammer/Pile Driver	Pile driving
Ripper	Rock breaking
Tiltrotator	Versatile tool changing
Dredging Bucket	River/harbor dredging
Compaction Wheel	Trench backfill compaction

✅ Key Advantages

Advantage	Explanation
🎯 Deep Digging	Best-in-class reach & depth in 49-ton class
⚡ Fuel Efficient	Up to 15% better than D1 series
🧠 Smart Technology	Product Link, Payload, Grade ready
🪑 Operator Comfort	Quiet, spacious, climate-controlled cab
💪 Reliable	Cat C7.1 is a proven, durable engine
🔧 Low Maintenance	Extended service intervals, ground-level access points
🌍 Low Emissions	Tier 4 Final / Stage V compliant

📋 Summary Specification Table

Parameter	Value
Model	349D2L
Engine	C7.1 ACERT, 260 hp (194 kW)
Operating Weight	~49,000 kg (108,020 lb)
Max Dig Depth	7,920 mm (26 ft)
Max Reach	12,960 mm (42.5 ft)
Bucket Capacity	1.4 – 2.2 m³ (1.8 – 2.9 yd³)
Fuel Tank	650 L (172 gal)
Emissions	Tier 4 Final / Stage V
Series	D2 (Gen 2)

🏆 Ideal Applications

Application	Why 349D2L?
🌊 Dredging	Long reach + deep dig capability
🏗️ Deep Foundation	Excavates deep trenches & shafts
🛢️ Pipeline Trenching	Long reach + precise digging
🏞️ Riverbank/Lakeside Work	Reaches from stable ground
🏗️ Demolition	Long reach for safe distance
& Mining	Heavy-duty, reliable performance

The Caterpillar 349D2L is one of the most capable long-reach excavators in its class, combining deep digging power, fuel efficiency, advanced technology, and operator comfort — making it a top choice for heavy civil, dredging, and deep excavation projects worldwide. 🚜💪