CAT 345GC Product Description
The CAT 345GC hydraulic excavator is a high-performance, heavy-duty 45-ton construction and mining machine designed and manufactured by Caterpillar, perfectly tailored for large-scale earthmoving, quarry mining, water conservancy projects, and high-intensity heavy-load engineering tasks. Equipped with a robust Cat C9.3B turbocharged diesel engine, the CAT 345GC delivers strong and continuous stable power output while achieving outstanding energy-saving performance, effectively reducing long-term operating costs for large contractors and mining enterprises. Featuring an optimized intelligent hydraulic system, this CAT 345GC excavator provides smooth, precise, and highly responsive operation, greatly improving bulk material handling efficiency and construction accuracy during heavy digging, large-volume loading, and site leveling work. The fully sealed and ergonomically upgraded cab offers excellent comfort, effective noise reduction, and superior safety, allowing operators to maintain stable working status during long-hour high-intensity operations. With powerful peak performance, ultra-high structural durability, and outstanding comprehensive cost-effectiveness, the CAT 345GC has become a benchmark heavy-duty excavator for global large-scale construction and mining projects.
CAT 345GC – Product Parameters & Technical Data
Model: CAT 345GC Hydraulic Crawler Excavator
Operating Weight: 42,200 kg
Engine Model: Cat C9.3B Turbocharged Diesel Engine
Rated Net Power: 258 kW (346 hp) @ 1800 rpm
Emission Standard: Tier 3 / China Nonroad Stage IV
Maximum Digging Depth: 7,200 mm
Maximum Digging Radius: 11,290 mm
Maximum Dump Height: 7,210 mm
Standard Bucket Capacity: 2.41 m³
Total Hydraulic Flow: 700 L/min
System Working Pressure: 35,000 kPa
Swing Speed: 9.5 rpm
Travel Speed: 3.0–4.8 km/h
Standard Track Shoe Width: 600 mm
Ground Pressure: 76.2 kPa
CAT 345GC Product Advantages
Core Advantages of CAT 345GC Hydraulic Excavator
Excellent Fuel Efficiency and Low Operating Cost
The CAT 345GC hydraulic excavator is equipped with a high-power Cat C9.3B turbocharged diesel engine, matched with an intelligent energy-saving control system and multi-stage power adjustment modes. It intelligently adjusts power output according to actual working loads, effectively reducing unnecessary fuel consumption during idling and low-load operation. Compared with traditional heavy excavator models, the CAT 345GC maintains ultra-strong power output and high construction efficiency while lowering overall fuel consumption, greatly cutting daily operating and maintenance costs and bringing higher long-term economic benefits for large mining and earthmoving projects.
Precision Hydraulic System & Stable Operation Performance
Featuring an upgraded heavy-duty intelligent hydraulic system with 700 L/min maximum hydraulic flow and 35000 kPa stable working pressure, the CAT 345GC delivers sensitive, smooth and accurate operation responses. It ensures continuous and powerful digging force and fast working cycle speed during large-scale earthmoving, bulk loading, quarry mining and precise site shaping operations. The optimized coordinated hydraulic control system avoids operation jitter and energy waste, perfectly adapting to high-intensity heavy-load construction scenarios and improving overall construction efficiency and precision.
Durable Structure & Strong Adaptability
The whole machine of CAT 345GC adopts high-strength thickened structural steel and reinforced boom and arm integral design. The heavy-duty strengthened undercarriage and wear-resistant track shoes greatly enhance compression resistance, impact resistance and overall structural stability. Whether in harsh mining quarries, large land reclamation, highway foundation construction or complex water conservancy sites, the CAT 345GC can maintain long-term stable operation, featuring strong environmental adaptability and ultra-low equipment failure rate.
Intelligent & Comfortable Working Experience
The CAT 345GC is fitted with a fully sealed upgraded luxury cab, which effectively isolates external noise, dust and vibration, providing a quiet and clean working environment for long-hour high-intensity operation. The built-in intelligent monitoring system can real-time display equipment operating status, fuel consumption data and fault reminder information, facilitating daily equipment inspection and maintenance. The humanized operating layout effectively reduces long-term working fatigue and significantly improves construction efficiency and operation safety.
High Cost-Effectiveness & Wide Application
As a classic 45-ton heavy-duty excavator, the CAT 345GC perfectly balances strong power performance, energy-saving efficiency, rugged structural durability and low maintenance costs. It covers almost all heavy-duty construction scenarios including mining, large-scale earthmoving and infrastructure development. With stable factory quality and reliable performance, the CAT 345GC is an ideal heavy-duty construction equipment for global large engineering enterprises and contractors.
















