Used Caterpillar 330D2 Excavator

Reading: 2126

Caterpillar 330D2 Hydraulic Crawler Excavator: Full Introduction

The Caterpillar 330D2 is a 30-ton class heavy-duty crawler excavator developed and produced by Caterpillar Inc., the global leading manufacturer of construction and mining equipment. As an optimized iteration of the classic D-series excavator line, it balances high operation efficiency, extreme durability, low lifecycle cost and operator comfort, making it one of the best-selling models in Caterpillar's mid-to-large excavator portfolio, widely used in infrastructure, mining, quarrying and heavy earthmoving scenarios worldwide.

1. Core Specifications (Standard Configuration)

Parameter	Value
Operating Weight	30,800 – 32,500 kg (adjustable with bucket, counterweight and undercarriage options)
Bucket Capacity	1.4 – 1.8 m³ (compatible with 1.2 – 2.0 m³ customized attachments)
Max Digging Depth (standard boom/stick)	7,370 mm
Max Horizontal Digging Reach	10,690 mm
Max Dump Height	6,810 mm
Rated Net Power	204 kW (274 hp) @ 1,800 rpm
Max Bucket Digging Force	222 kN
Max Stick Digging Force	167 kN

2. Power System

The 330D2 is equipped with a Caterpillar original C7.1 ACERT electronic fuel injection diesel engine, which meets China Non-road Stage III / EU Stage IIIA emission standards, and has strong adaptability to low-quality fuel in emerging markets:

Adopts turbocharged, air-to-air aftercooled design, delivers high torque output at low speed, effectively reducing stalling risk under heavy load conditions
Optimized intelligent fuel management system automatically adjusts power output according to real-time load, cutting fuel consumption by 3~5% compared with the previous 330D model under the same workload
Built-in automatic idle and automatic engine shutdown functions further reduce fuel waste during standby periods.

3. Hydraulic System

It adopts Caterpillar's exclusive positive flow control hydraulic system, perfectly matching engine output to realize rapid response of boom, stick and bucket actions:

Dual main pumps deliver maximum flow of 2×235 L/min, ensuring strong and stable digging force in hard rock and heavy earthmoving conditions
Regeneration valves installed on the boom and stick reduce cycle time when lowering the boom and retracting the stick, improving working efficiency by 8~10% in typical loading and excavation scenarios
3-micron high-precision hydraulic filtration system extends the service life of hydraulic components, and the hydraulic oil replacement cycle reaches 5,000 hours under normal working conditions.

4. Structural Durability

The whole machine is designed in compliance with Caterpillar mining-grade durability standards, suitable for long-term operation under harsh working conditions:

High-strength alloy steel is used for boom, stick and main frame, welded by fully automatic robot with full penetration process, and passed 10,000 hours of extreme load fatigue test
X-shaped lower frame has excellent load distribution capacity, resisting deformation under heavy load and uneven ground
Standard heavy-duty undercarriage is equipped with forged carrier rollers, track links and hardened track shoes, with service life 30% longer than competing models under quarry working conditions.

5. Operator Comfort & Safety

The cab is ROPS/FOPS certified, with fully sealed pressurized design, keeping internal noise as low as 75 dB(A) during operation, and blocking 99% of dust from entering the cab
Fully adjustable suspension seat with lumbar support fits operators of different heights and weights, ergonomic control joysticks reduce long-term operation fatigue
Equipped with high-efficiency automatic air conditioning, 10V/24V power sockets, USB radio and a large LCD monitor that displays real-time machine parameters, fault codes and maintenance reminders
Standard 270° rearview camera eliminates operation blind spots, hydraulic system automatically locks when the operator leaves the seat to prevent misoperation, and emergency stop buttons are installed both inside and outside the cab for rapid response in emergency.

6. Application Scenarios & Optional Attachments

The 330D2 adapts to a wide range of working scenarios:

Large-scale infrastructure earthmoving (highway, railway, airport), quarry excavation and loading, small open-pit mining, medium-to-large building demolition, river dredging, port material handling, etc.

It supports a variety of Caterpillar original customized attachments, including heavy-duty rock buckets, ditch cleaning buckets, hydraulic breakers, rippers, grapples and quick couplers, to maximize operation versatility.

7. Maintenance & Cost Advantage

All daily maintenance points are arranged at ground level, so operators can complete inspection and maintenance without climbing the upper structure, improving maintenance efficiency and safety
Caterpillar's global 24/7 after-sales network provides fast parts supply and technical support, reducing unexpected downtime
Extended replacement cycle of wearing parts (engine oil: 500 hours, air filter: 2,000 hours, hydraulic oil: 5,000 hours) greatly reduces daily maintenance cost
The average overhaul cycle of the whole machine exceeds 15,000 hours under normal use, and the second-hand residual value is 15~20% higher than similar competing products.

Overall, the Cat 330D2 is a cost-effective heavy-duty excavator with extremely high reliability, making it the first choice for construction and mining operators pursuing high efficiency and long-term return on investment.

Non flooded

No accident

Original product

Used Caterpillar 330D2 Excavator

RELATED PRODUCTS

Caterpillar 307.5

Caterpillar 330D2

Caterpillar 336GC

Caterpillar 340D2L