Used Caterpillar 336D2Excavator

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📌 Overview

The Cat 336D2 is a mid-size (≈37-ton class) hydraulic excavator manufactured by Caterpillar Inc. It was introduced as the successor to the popular 336D model, bringing significant improvements in fuel efficiency, operator comfort, technology, and performance. It is one of the best-selling excavators in its class worldwide, widely used in construction, mining, quarrying, road building, demolition, and landscaping.

🔧 Key Specifications

Specification	Details
Operating Weight	~36,900 kg (81,350 lb)
Engine	Cat C7.1 ACERT® Turbocharged Diesel
Rated Power	192 kW (257 hp) @ 2,000 rpm
Bucket Capacity (SAE)	1.0 – 1.6 m³ (1.3 – 2.1 yd³)
Max Digging Depth	7,260 mm (23.8 ft)
Max Reach (Ground Level)	10,290 mm (33.8 ft)
Max Dumping Height	7,670 mm (25.2 ft)
Max Digging Force	176 kN (39,500 lbf)
Breakout Force	139 kN (31,200 lbf)
Travel Speed	5.0 km/h (3.1 mph)
Fuel Tank Capacity	570 L (150 gal)
Hydraulic Flow	2 × 250 L/min (dual pump)
Emissions	EPA Tier 4 Final / EU Stage V

& Engine — Cat C7.1 ACERT®

Feature	Detail
Displacement	7.1 L (434 in³)
Turbocharger	Air-to-Air Aftercooled (ATAAC)
Emission System	DPF + SCR (Selective Catalytic Reduction) with DEF (Diesel Exhaust Fluid)
Efficiency	Up to 25% better fuel efficiency vs. 336D
Engine Management	Electronically controlled, auto-idle, auto-shutdown

✅ The C7.1 is known for its reliability, durability, and lower operating costs.

🖥️ Technology & Electronics

The 336D2 is one of the most technologically advanced excavators in its class:

Technology	Description
Cat Product Link™	Real-time machine monitoring, fleet management, diagnostics, location tracking
Cat Grade with 2D/3D	GPS-guided grading system for precise digging (±25 mm accuracy)
VisionLink®	Cloud-based fleet management platform
Payload System (Optional)	Real-time bucket payload weighing (±1% accuracy)
Cat Detect (Optional)	Object detection & proximity alerts using radar
Touchscreen Monitor	10" (254 mm) color LCD touchscreen with intuitive UI
Electro-Hydraulic Controls	Proportional levers, auto-boom/arm/bucket return
Auto-Idle & Auto-Shutdown	Reduces fuel consumption during idle

🪑 Operator Comfort & Cab

Feature	Detail
Cab Type	ROPS/FOPS certified, pressurized & filtered
Seat	Air-suspended, heated, fully adjustable with armrests
Climate Control	Dual-zone automatic air conditioning
Noise Level	68 dB(A) — very quiet for its class
Visibility	360° excellent visibility, large glass area
Controls	Multi-function levers, thumb-activated auxiliary controls
Audio/USB	Radio, Bluetooth, USB charging ports
Lighting	LED work lights, cab interior lighting

✅ Cat is known for having one of the best cabs in the industry — comfortable, quiet, and ergonomic.

🏗️ Hydraulic System & Work Tools

Feature	Detail
Pump Type	Variable displacement, load-sensing, dual piston pump
System Pressure	350 bar (5,076 psi)
Flow	2 × 250 L/min (500 L/min total)
Attachment Options	✅ Hydraulic hammer (breaker) ✅ Thumb ✅ Quick coupler ✅ Rotating grapple ✅ Buckets (GP, ditching, rock) ✅ Hydraulic shears ✅ Vibratory ripper ✅ Auger ✅ Compaction wheel

📊 Performance Highlights

Metric	Improvement vs 336D
Fuel Efficiency	⬆ ~25% better
Lift Capacity	⬆ ~10% more
Digging Force	⬆ ~8% more
Cycle Time	⬇ ~10% faster
Operating Cost	⬇ Significantly lower

🏭 Production & Availability

Detail	Info
Manufactured	Caterpillar facilities worldwide (USA, Japan, Brazil, China, etc.)
Production Period	2014 – Present (still in production as of 2024)
Predecessor	Cat 336D
Successor (New Gen)	Cat 336 GC (Next Gen, introduced ~2024)
Market	Global — North America, Europe, Asia-Pacific, Middle East, Africa, Latin America

✅ Advantages (Why Choose 336D2?)

✅ Advantage	Explanation
🏆 Proven Reliability	Millions of hours in the field globally
⛽ Fuel Efficient	Best-in-class fuel economy for 37-ton class
🔧 Easy Maintenance	Ground-level service points, extended service intervals (500/1000/2000 hr)
📡 Smart Technology	Product Link, Grade, Payload, Detect
💰 Low Cost of Ownership	High resale value, parts availability worldwide
🪑 Operator Comfort	Best cab experience reduces fatigue
🔨 Versatility	Works with almost any attachment

🆚 Quick Comparison: 336D vs 336D2

Spec	336D	336D2
Engine	C7 ACERT	C7.1 ACERT
Power	184 kW (247 hp)	192 kW (257 hp)
Weight	~37,000 kg	~36,900 kg
Fuel Efficiency	Baseline	~25% better
Technology	Basic	Advanced (Grade, Payload, Product Link)
Emissions	Tier 4 Interim	Tier 4 Final / Stage V
Cab	Good	Better (improved HVAC, seat, display)

🎯 Typical Applications

Application	Details
🏗️ General Construction	Excavation, trenching, grading
& Mining & Quarrying	Rock excavation, loading trucks
🛣️ Road Building	Ditching, pipe laying, grading
🏚️ Demolition	With hydraulic breaker/shears
🌳 Landscaping	Digging, grading, utility work
🌊 Dredging	With long reach arm
🏗️ Foundation Work	Deep excavation, basement digging

💰 Approximate Pricing (2024, USD)

Configuration	Price Range
New Machine (Base)	$250,000 – $300,000
With Grade + Payload	$320,000 – $380,000
Used (2015-2020, 5,000-8,000 hrs)	$120,000 – $190,000

(Prices vary by region, dealer, and configuration)

🏁 Summary


Class	37-ton (Mid-Size)
Power	257 hp
Weight	~37 tonnes
Best For	Versatile heavy-duty work
Rating	⭐⭐⭐⭐⭐ (Industry benchmark)

The Cat 336D2 is widely regarded as the gold standard in the 35-40 ton excavator class — offering the perfect balance of power, efficiency, technology, comfort, and durability. It remains one of the most sought-after machines on the used and new markets worldwide.

Would you like more details on any specific aspect — such as attachment compatibility, maintenance schedule, or comparison with competitors (Komatsu PC360, Hitachi ZX350, Volvo EC380)? 😊