Used Caterpillar 336D2 Excavator

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Detailed Introduction to Caterpillar 336D2 Crawler Excavator

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. Launched in 2012 as an upgraded iteration of the classic 336D model, it is positioned as a high-reliability, high-efficiency workhorse for heavy-load working conditions, balancing outstanding operational performance, low operating cost and operator comfort. It is one of the best-selling models in Caterpillar's medium-large excavator portfolio worldwide.

1. Core Performance Parameters

Item	Specification
Operating Weight	35,400 – 38,100 kg (varies by boom, stick, bucket and counterweight configuration)
Engine	Caterpillar C9.3 ACERT™ 6-cylinder inline, turbocharged, air-to-air aftercooled diesel engine
Net Power	209 kW (280 hp) @ 1,800 rpm
Emission Standard	Available in multiple versions to meet regional regulations: EPA Tier 4 Interim / EU Stage IIIB for high-emission-standard regions, Tier 2 / Stage II for non-regulated markets
Bucket Capacity	1.6 – 3.5 m³ (customizable for earthmoving, rock handling and other scenarios)
Max. Digging Depth (standard 6.5m boom + 3.2m stick)	7,390 mm
Max. Digging Reach	11,210 mm
Max. Dump Height	7,620 mm
Travel Speed	3.2 km/h (low) / 5.1 km/h (high)
Swing Speed	10 rpm
Hydraulic System Working Pressure	35 MPa

2. Core Technical Advantages

2.1 High Efficiency & Low Fuel Consumption

The C9.3 ACERT engine adopts Caterpillar's proprietary combustion optimization technology, delivering strong power output with low fuel loss. It is matched with the Caterpillar Adaptive Control System (ACS) hydraulic system, which intelligently adjusts power distribution between the engine and hydraulic system according to real-time working load. Compared with the previous generation 336D, it improves fuel efficiency by up to 10% without sacrificing operation efficiency. It is also equipped with selectable working modes (Power Mode for heavy load operation, Economy Mode for light load tasks) and automatic idle / auto-shutdown functions, further reducing unnecessary fuel waste during standby.

2.2 Extreme Durability & Reliability

The whole machine adopts heavy-duty structural design for harsh working conditions:

The undercarriage uses a reinforced X-shaped frame, with strong torsion and impact resistance, adapted to long-term heavy load operation in mines and quarries.
The boom and stick are made of high-strength thickened steel plate, with stress relief treatment at all welding points, greatly reducing the risk of cracking under impact load.
Multiple track configurations are available: standard track for general earthwork, widened track for soft ground to prevent sinking, rock track with wear-resistant plate for mining scenarios.
Wear parts such as bucket teeth, pins and bushings are made of Caterpillar's proprietary wear-resistant alloy, extending service life by 20-30% compared with ordinary accessories.

2.3 Smooth & Precise Hydraulic Performance

The ACS hydraulic system realizes perfect coordination of compound actions (digging, swinging, traveling, lifting at the same time), with no lag or power loss during operation. The pilot control system delivers high operation accuracy and low operating force, reducing operator fatigue during long shifts. The hydraulic system also has an overload protection function to avoid component damage under extreme load.

2.4 Operator Comfort & Safety

The fully sealed, pressurized cab reduces indoor noise to only 78 dB(A), and is equipped with a high-efficiency air conditioning system and multi-directional adjustable suspension seat (with heating function optional), providing a comfortable working environment.
The large-area panoramic glass design eliminates blind spots, and the standard ROPS (Roll-Over Protective Structure) and FOPS (Falling Object Protective Structure) meet global safety standards, protecting operators from rollover and falling object risks.
The color LCD monitoring panel displays real-time operating parameters, fault alarms and maintenance reminders in real time, and optional rear-view camera or 360° surround view system further eliminates operation blind spots.

2.5 Easy Maintenance & Low Operating Cost

All daily maintenance points (engine oil filter, fuel filter, hydraulic oil filter, air filter, etc.) are arranged at ground-accessible positions, eliminating the need to climb the machine for routine maintenance, saving maintenance time by 40%. The service life of hydraulic oil is up to 5,000 hours, engine oil replacement cycle is 500 hours, and air filter replacement cycle is 1,000 hours, greatly reducing long-term operating costs. The optional Caterpillar Product Link™ remote management system supports real-time monitoring of machine location, fuel consumption, working hours and fault codes, helping fleet managers arrange maintenance in advance and reduce unplanned downtime.

3. Typical Application Scenarios

The 336D2 is widely used in a variety of heavy-duty working scenarios:

Heavy civil engineering: foundation excavation, earthwork moving for highways, railways, dams and airports
Mining and quarrying: overburden stripping, ore loading, rock excavation and crushing (with hydraulic breaker)
Demolition: demolition of high-rise buildings and industrial facilities with hydraulic shears or breakers
Port and material handling: bulk cargo, timber and scrap handling with grabs
Pipeline construction: trench excavation for long-distance oil and gas pipelines

4. Optional Configurations

Users can customize configurations according to actual needs:

Multiple boom and stick combinations: short heavy-duty boom for mining rock operation, extended boom for deep excavation
Work tools: hydraulic breaker, hydraulic shear, grapple, ripper, magnet, etc.
Cab upgrades: heated seat, advanced air conditioning, 360° surround view system
Undercarriage upgrades: widened track, rock track, track guard
Emission matching versions for different regional regulatory requirements

With its outstanding reliability, high operation efficiency and perfect global after-sales service network (Caterpillar has more than 1,800 agents in over 190 countries and regions), the 336D2 has a very high market reputation and residual value, making it the preferred model for heavy construction and mining operators worldwide.

Non flooded

No accident

Original product

Used Caterpillar 336D2 Excavator

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