Used Caterpillar 336D2 Excavator

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Detailed Introduction of Caterpillar 336D2 Crawler Excavator

The Caterpillar 336D2 is a 36-ton class heavy-duty crawler excavator developed by global construction equipment leader Caterpillar Inc. As an upgraded iteration of the classic 336D series, it is tailored for high-load working scenarios, balancing strong power, fuel efficiency, extreme durability and low operating cost, and is one of the most popular models in the medium-to-large excavator segment worldwide.

1. Core Specifications

Parameter	Specific Value
Operating Weight	33,200 – 36,800 kg
Engine Model	Cat C9 ACERT™
Rated Net Power	209 kW (280 hp) @ 1,800 rpm
Standard Bucket Capacity	1.4 – 2.5 m³
Max Digging Depth (standard boom + 2.8m stick)	7,390 mm
Max Digging Reach	10,920 mm
Max Dump Height	7,230 mm
Travel Speed	3.2 km/h (low) / 5.5 km/h (high)
Swing Speed	10 rpm
Gradeability	35° (70%)
Emission Standard	China Non-road Stage III / EU Stage IIIA / US EPA Tier 3

2. Core Performance Advantages

2.1 Power System

It is equipped with a field-proven Cat C9 ACERT 6-cylinder, 4-stroke, turbocharged intercooled diesel engine, optimized for high torque output at low RPM:

5-8% lower fuel consumption than the previous 336D model under the same workload, via optimized fuel injection and power matching logic
Built-in 3-stage fuel filtration system, which adapts to low-quality fuel in remote construction sites, effectively reduces engine wear, and extends the engine service life by more than 15%
Equipped with an automatic idle and engine shutdown function, which reduces unnecessary fuel waste during standby.

2.2 Hydraulic System

Adopts Caterpillar's exclusive load-sensing hydraulic system with independent flow distribution:

Precisely matches hydraulic power output to actual working demands, eliminating unnecessary power loss, and improves operation response speed by 12%
Boom and stick regeneration functions automatically redirect hydraulic oil during action, shortening working cycle time by 10% for excavation and loading operations
Optional 1/2-way auxiliary hydraulic circuits support a variety of attachments (hydraulic breaker, grapple, shear, ripper, etc.), greatly expanding application scenarios.

2.3 Structural Durability

All key structural parts are designed via finite element analysis (FEA) and tested under extreme working conditions:

Thickened high-strength steel plates are used for the upper/lower frame, boom and stick load-bearing parts, which resist impact and fatigue damage under long-term heavy-load quarry and mining operations
X-shaped heavy-duty undercarriage adopts sealed lubricated track chains, reinforced rollers and idlers, with service life 20% longer than standard undercarriages
The reinforced rock bucket uses wear-resistant steel for cutting edges and side plates, suitable for handling hard rock, gravel and other highly abrasive materials.

2.4 Operator Comfort

The cab meets ROPS (Roll-Over Protective Structure) and FOPS (Falling-Object Protective Structure) safety certification standards:

Built-in fully adjustable high-back shock-absorbing seat, automatic constant temperature air conditioning, and sound insulation materials, with interior noise controlled below 78 dB(A)
Ergonomic short-stroke joysticks reduce operator fatigue during 8-12 hour long shifts
7-inch large LCD monitor displays real-time working parameters, fault codes and maintenance reminders, and the optional rearview camera eliminates operation blind spots.

2.5 Maintenance Convenience

All daily maintenance points (engine oil dipstick, fuel filter, air filter, hydraulic oil filter, etc.) are accessible at ground level, no need to climb onto the upper frame for routine checks
Extended service intervals: engine oil and filter replaced every 500 working hours, hydraulic oil and filter replaced every 5,000 working hours, air filter replaced every 2,000 hours in non-dusty environments, greatly reducing downtime
Supported by Caterpillar's global after-sales network, providing 24/7 technical support, genuine spare parts supply and professional maintenance services for users worldwide.

3. Common Application Scenarios

The 336D2 is widely used in:

Heavy earthmoving, foundation excavation for large construction projects
Quarry rock excavation and loading, open-pit mining material handling
Road construction, tunnel engineering, urban demolition works
Port bulk cargo handling, river dredging and other special operations

Optional Configurations

Users can choose customized configurations according to actual needs: different boom/stick combinations, general/rock/heavy-duty buckets, extended/heavy-duty undercarriages, quick couplers, 3D machine guidance systems, etc.

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Original product

Used Caterpillar 336D2 Excavator

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