Used Caterpillar 336D2 Excavator

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CATERPILLAR 336D2 Crawler Excavator Detailed Introduction

The Caterpillar 336D2 is a 36-ton class heavy-duty crawler excavator developed and manufactured by Caterpillar Inc., the global leader in construction and mining equipment. As an upgraded iteration of the classic 336D model, it is tailored for high-load, long-cycle working scenarios, balancing strong productivity, low operating cost, and extreme durability, and is widely used in infrastructure construction, mining, quarrying, demolition and water conservancy projects worldwide.

1. Core Specifications

Parameter	Value
Operating Weight	33,200 – 37,200 kg
Net Rated Power	209 kW (280 hp) @ 1900 rpm
Bucket Capacity Range	1.5 – 3.2 m³
Max Digging Depth (standard boom/arm)	7,390 mm
Max Digging Reach	11,210 mm
Max Loading Height	7,050 mm
Bucket Breakout Force	233 kN
Arm Breakout Force	180 kN
Travel Speed	3.3 km/h (low) / 5.1 km/h (high)
Gradeability	70% (35°)

2. Power System

The 336D2 is equipped with a Caterpillar original C7.1 ACERT 6-cylinder, 4-stroke, turbocharged aftercooled diesel engine:

Meets EU Stage IIIA / US EPA Tier 3 emission standards, with optional emission upgrade kits to adapt to regional regulatory requirements
Features a dual-stage fuel filtration system, which can maintain stable operation even in areas with poor fuel quality, and is compatible with high-altitude, high-temperature and extremely cold environment upgrade kits
Delivers high torque output at low RPM, reducing unnecessary fuel consumption under heavy load conditions

3. Hydraulic System

It adopts Caterpillar's mature load-sensing hydraulic system, delivering precise, smooth and responsive operation performance:

Dual main pump with total flow rate of 536 L/min, system working pressure of 35 MPa, providing sufficient power for hard rock excavation and heavy load lifting
Pressure compensating valves match hydraulic output to actual work demand, avoiding unnecessary power waste, and reducing comprehensive hydraulic loss by 8% compared to the previous 336D
Supports independent control of multiple actions, ensuring smooth coordination of boom, arm and bucket movements for both fine grading and heavy digging tasks

4. Durability & Structural Design

The 336D2 inherits Caterpillar's high-standard structural design for heavy-duty work:

X-shaped lower frame with thickened high-strength steel plate, withstanding long-term impact loads in quarry and demolition scenarios
Reinforced boom and arm with built-in stress relief structures, passing 15,000-hour fatigue test under extreme working conditions
Sealed and lubricated undercarriage system, with forged track links and wear-resistant track shoes, extending undercarriage service life by 20% compared to similar products under the same working conditions

5. Operator Comfort

The ROPS/FOPS certified enclosed cab provides a safe and comfortable working environment for long-hour operation:

Pressurized dustproof design, internal noise controlled below 78 dB(A), isolating external dust and noise
Multi-directionally adjustable air suspension high-back seat with lumbar support and optional heating function
Ergonomic low-force control joysticks, 7-inch high-definition multi-language LCD monitor displaying real-time operating data, fault warnings and maintenance reminders
Standard high-efficiency air conditioning, USB charging port, storage compartments and radio to improve operation experience

6. Fuel Efficiency & Operating Cost

Optimized design significantly reduces long-term operating costs:

Comprehensive fuel consumption is 5-10% lower than the 336D under the same working conditions, supported by three optional working modes: High Power (for heavy rock excavation), Standard (for daily operation) and Economy (for light load tasks)
Extended maintenance intervals: 500 hours for engine oil change, 5000 hours for hydraulic oil change, 1000 hours for air filter replacement (under non-dusty conditions)
All daily maintenance points are arranged at ground level, reducing daily inspection and maintenance time by 30% compared to similar models

7. Safety Features

360° surround view system (optional) and standard rearview camera to eliminate operation blind spots
Overload warning system, emergency stop buttons installed both inside the cab and on the exterior of the machine
Anti-slip walking platforms and handrails on the upper frame, preventing falls during maintenance
Standard travel alarm and high-brightness working light set, ensuring safe operation at night and in low visibility conditions

8. Application & Compatible Attachments

The 336D2 is compatible with a full range of Caterpillar original attachments to adapt to diverse scenarios:

Common attachments: heavy-duty rock bucket, grading bucket, hydraulic breaker, ripper, grapple, demolition shear, auger
Typical application scenarios: high-speed railway/highway foundation excavation, mining overburden stripping, quarry rock loading, building demolition, river dredging, port bulk cargo handling

Overall, the Cat 336D2 is recognized by global construction contractors, mining operators and equipment rental companies for its strong adaptability to harsh environments, low failure rate and perfect global after-sales service system.

Non flooded

No accident

Original product

Used Caterpillar 336D2 Excavator

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