Used Caterpillar 336D2Excavator

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📋 Overview

The Caterpillar 336D2 is a medium-to-large class hydraulic excavator manufactured by Caterpillar Inc. It is part of the D2 Series (Generation 2), which succeeded the D-Series with significant improvements in fuel efficiency, operator comfort, technology, and performance. It is widely used in construction, mining, road building, demolition, and material handling applications.

⚙️ Key Specifications

Parameter	Details
Engine	Cat® C7.1 ACERT® 6-cylinder turbocharged diesel
Engine Power	195 kW (261 hp) @ 2,000 rpm
Displacement	7.1 liters (433 cu in)
Emission Standard	EPA Tier 4 Final / EU Stage V (depending on region)
Operating Weight	~36,200 – 37,000 kg (79,800 – 81,600 lbs)
Bucket Capacity	1.0 – 1.9 m³ (1.3 – 2.5 yd³)
Max Digging Depth	~7,420 mm (24 ft 4 in)
Max Reach	~10,350 mm (33 ft 11 in)
Max Dumping Height	~7,450 mm (24 ft 5 in)
Hydraulic System Pressure	35 MPa (5,076 psi)
Track Gauge	600 mm (24 in) or 800 mm (31 in) triple grouser
Fuel Tank Capacity	~640 liters (169 gal)

🔧 Engine — C7.1 ACERT®

Feature	Detail
Type	6-cylinder, inline, turbocharged & aftercooled
Displacement	7.1 L
Power Output	195 kW (261 hp)
Torque	~958 Nm (707 lb-ft) @ 1,400 rpm
Emission Tech	SCR (Selective Catalytic Reduction) + DPF (Diesel Particulate Filter) — NO DEF in some configurations
Cooling	Air-to-air aftercooled

✅ The C7.1 ACERT engine delivers excellent fuel efficiency while meeting the strictest global emission standards.

💪 Hydraulic System

Feature	Detail
Pump Type	Variable displacement piston pumps
System Pressure	35 MPa (5,076 psi)
Flow Rate	~2 × 330 L/min (72.6 gpm)
Control	Electro-hydraulic, load-sensing
Auxiliary Hydraulics	2 circuits available

The hydraulic system is designed for smooth, precise control with excellent power-to-weight ratio, enabling fast cycle times.

🏗️ Working Range (with 1.4 m³ / 1.8 yd³ bucket)

Measurement	Value
Max Digging Depth	7,420 mm (24 ft 4 in)
Max Reach (Ground Level)	10,350 mm (33 ft 11 in)
Max Dumping Height	7,450 mm (24 ft 5 in)
Max Digging Reach	10,180 mm (33 ft 5 in)
Max Vertical Wall Dig	6,820 mm (22 ft 5 in)
Ground Clearance	470 mm (18.5 in)

🖥️ Technology & Smart Features

Technology	Description
⭐ Cat GRADE	2D/3D GPS grade control with laser, GPS, or total station — reduces rework, improves accuracy
⭐ Cat Payload	Real-time payload weighing system (optional) — improves loading accuracy by up to 5%
⭐ Product Link™	Telematics for fleet management, machine health monitoring, location tracking
⭐ Cat VisionLink®	Cloud-based fleet management platform
⭐ Cat Detect	Proximity detection system for operator safety
⭐ Anti-Theft	CAT Security System with engine immobilizer
⭐ Eco Mode	Automatically adjusts engine speed to match workload — saves up to 15% fuel
⭐ Power Mode	Boosts engine power for heavy digging applications

💺 Operator Environment (Cab)

Feature	Detail
Seat	Air-suspension seat with heating & ventilation
Climate Control	Auto-climate A/C with 4-zone control
Display	8" (203 mm) LCD touchscreen monitor
Controls	Ergonomic joysticks with adjustable settings
Noise Level	~72 dB(A) — very quiet for its class
Visibility	Excellent all-around visibility with large glass areas
ROPS/FOPS	Fully certified Rollover & Falling Object Protection
USB/Bluetooth	Audio connectivity, phone charging

✅ The D2 cab is one of the best in the industry — spacious, quiet, and packed with technology.

🛡️ Undercarriage & Structure

Feature	Options
Track Width	600 mm (24 in) or 800 mm (31 in)
Shoe Type	Triple grouser (standard)
Boom & Stick	Heavy-duty, reinforced for severe service
Counterweight	Optimized for stability
Service Access	Ground-level access points for easy maintenance
Undercarriage Life	Extended wear life with robust design

📊 Performance Comparison (336D2 vs Predecessor 336D)

Feature	336D (Old)	336D2 (New)	Improvement
Engine Power	192 kW (257 hp)	195 kW (261 hp)	+2%
Fuel Efficiency	Baseline	~15% better	⭐ Major upgrade
Operating Weight	~36,500 kg	~36,200 kg	Lighter
Technology	Basic	Cat GRADE, Payload, VisionLink	⭐ Major upgrade
Operator Comfort	Good	Excellent (D2 cab)	⭐ Major upgrade
Emission	Tier 4 Interim	Tier 4 Final / Stage V	⭐ Cleaner

💰 Approximate Pricing (2024)

Configuration	Estimated Price (USD)
New Machine	$350,000 – $450,000 (depending on configuration)
Used (2015-2020)	$180,000 – $280,000
Rental (Daily)	$800 – $1,200/day
Rental (Monthly)	$12,000 – $18,000/month

(Prices vary by region, configuration, and market conditions)

🏆 Strengths ✅

✅ Strength	Explanation
🏆 Fuel Efficiency	Up to 15% less fuel consumption vs. D-series
🏆 Technology Leader	Cat GRADE, Payload, VisionLink — best-in-class
🏆 Operator Comfort	Quiet, spacious, ergonomic D2 cab
🏆 Reliability	Proven Cat C7.1 engine, robust build
🏆 Resale Value	Cat machines hold value exceptionally well
🏆 Low Maintenance	Extended service intervals, easy access
🏆 Versatility	Works in construction, mining, demolition, dredging

⚠️ Limitations ❌

❌ Limitation	Explanation
❌ High Purchase Price	Premium pricing vs. competitors (Komatsu, Hitachi)
❌ Parts Cost	Cat OEM parts are expensive
❌ Weight	~37 tons — requires heavy transport
❌ Emission System	SCR/DPF requires maintenance (DEF fluid in some regions)

🆚 Competitors

Machine	Engine Power	Operating Weight	Bucket Range
Cat 336D2	261 hp	36,200 kg	1.0 – 1.9 m³
Komatsu PC360LC-11	261 hp	36,400 kg	1.1 – 1.9 m³
Hitachi ZX360LC-6	255 hp	35,800 kg	1.0 – 1.8 m³
Volvo EC380DL	268 hp	38,000 kg	1.2 – 2.0 m³
JCB JS360LC	260 hp	36,500 kg	1.1 – 1.8 m³

The 336D2 is generally considered the technology and efficiency leader in this class.

🎯 Typical Applications

🏗️ Application	Usage
General Construction	Excavation, trenching, grading
Mining & Quarrying	Rock loading, bench work
Road Building	Pipe laying, road widening
Demolition	Building teardown (with hydraulic breaker/shear)
Dredging	River/canal dredging (long reach)
Material Handling	Loading trucks with grapple or magnet
Landscaping	Large-scale earthmoving

📌 Summary

	Rating
⭐ Power	⭐⭐⭐⭐ (4/5)
⭐ Fuel Efficiency	⭐⭐⭐⭐⭐ (5/5)
⭐ Technology	⭐⭐⭐⭐⭐ (5/5)
⭐ Operator Comfort	⭐⭐⭐⭐⭐ (5/5)
⭐ Reliability	⭐⭐⭐⭐⭐ (5/5)
⭐ Value for Money	⭐⭐⭐⭐ (4/5)

🏅 The Cat 336D2 is one of the BEST mid-size excavators in the world — combining power, efficiency, cutting-edge technology, and operator comfort in a proven, reliable package.

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