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 launched by Caterpillar as an optimized upgraded iteration of the proven 336D series. It is tailored for high-intensity, long-duration working scenarios, balancing excellent operation efficiency, extreme structural durability and low total cost of ownership, making it one of the most popular heavy excavator models in global engineering and mining sectors.

Core Performance Specifications

All parameters are based on standard configuration, and vary with customized match of boom, stick and undercarriage:

Item	Parameter
Operating Weight	35,800 kg – 38,100 kg
Engine Model	Cat C9 ACERT™ 6-cylinder inline diesel engine
Rated Gross Power	209 kW (280 hp) at 1800 rpm
Emission Standard	Meets EU Stage IIIA / US EPA Tier 3 / China Non-road Stage III requirements
Bucket Capacity Range	1.4 m³ – 3.2 m³ (optional general-purpose bucket, rock bucket, heavy-duty wear-resistant bucket available)
Maximum Digging Depth (standard 6.5m boom + 2.9m stick)	7,390 mm
Maximum Digging Reach (at ground level)	10,920 mm
Maximum Dump Height	7,210 mm
Bucket Digging Force	223 kN
Stick Digging Force	189 kN
Travel Speed	3.1 km/h (low speed, high torque) / 5.5 km/h (high speed)
Gradeability	35°
Swing Speed	10 rpm

Key Design Advantages

1. High-Efficiency Powertrain & Hydraulic System

The Cat C9 ACERT engine adopts optimized electronic fuel injection technology and high torque reserve design, maintaining stable power output even under high altitude, extreme high/low temperature and dusty working environments. The adaptive hydraulic system perfectly matches engine output, reduces pressure loss, and ensures fast response and smooth coordination of compound actions (boom lifting, stick pulling, swing and travel can be operated simultaneously without lag). Operators can switch between standard mode and heavy-duty mode according to working conditions, which reduces fuel consumption by 8-10% compared with the previous 336D series under the same workload.

2. Heavy-Duty Structural Durability

Core structural components including boom, stick, upper frame and undercarriage are all designed for extreme working conditions, made of high-strength alloy steel, and subjected to strict finite element stress testing before mass production to avoid structural deformation and fracture under impact loads. The sealed and lubricated undercarriage system is equipped with reinforced track rollers, idlers and track shoes, which effectively reduces wear; its service life is 30% longer than similar products when working in quarry and mining sites. Optional widened track shoes are available for soft ground construction to improve passing ability.

3. Operator Comfort & Safety

The cab is ROPS/FOPS certified (roll-over protective structure / falling object protective structure), which fully guarantees operator safety in demolition and mining operations. The pressurized and sealed cab effectively isolates external noise, with internal operating noise as low as 75 dB(A). It is equipped with a fully adjustable air suspension seat, high-efficiency air conditioning system, and ergonomic control joystick to reduce long-term operation fatigue. The full-color LCD monitor displays real-time operating parameters and fault alarm information; the optional rear view camera provides 270° wide field of view to eliminate operation blind spots.

4. Low Maintenance & Operating Cost

All daily maintenance points are arranged at ground-accessible positions, avoiding high-altitude climbing operations and saving maintenance time. The extended service life of wearing parts reduces maintenance frequency: engine oil and filter replacement cycle is 500 working hours, hydraulic oil and filter replacement cycle is 5000 working hours under normal working conditions, and fuel pre-filter replacement cycle is 1000 working hours. The optional Caterpillar Product Link™ remote monitoring system can track machine location, working hours, fuel consumption and fault codes in real time, which is convenient for fleet management and reduces unplanned downtime. Caterpillar's global after-sales service network provides fast spare parts supply and professional technical support, further reducing the total cost of ownership.