Cat 345 GC Hydraulic Excavator

Basic Machine Core Parameters

Load & Bucket Performance

Operating weight: 42,200kg, max heavy configuration 44,000kg
Standard rock bucket capacity: 2.41m³; Optional: 1.9~2.77m³ earthmoving bucket
Bucket breakout force (ISO): 235kN; Stick breakout force (ISO): 198kN
Maximum drawbar pull: 292kN; Swing torque: 155kN·m
Swing speed: 8.27rpm

Overall Length, Width & Height

Total length (6.9m boom + 3.35m stick): 11,650mm
Transport width: 3,340mm
Overall height (cab top): 3,480mm
Track ground contact length: 5,030mm; 8 track rollers per side
Minimum ground clearance: 520mm
Standard track shoe width: 700mm; optional 600/800/900mm wide mining shoes

Working Range

Max ground reach: 11,290mm
Max digging depth: 7,200mm; Flat-bottom 2.4m dig depth: 7,040mm
Vertical wall digging depth: 5,390mm
Max dump height: 7,210mm; Max digging height: 10,540mm

Power System

Standard Engine: Cat C9.3B Inline 6-Cylinder

Net rated power: 258kW / 346 hp @1750rpm
Gross power: 259kW / 347 hp
Displacement: 9.3L, bore 115mm, stroke 149mm, turbocharged intercooled direct injection
Emission standard: China National Stage III / Tier3
Fuel consumption: 18~23L/h general earthwork, 22~28L/h rock breaking
2 power modes: Standard / Intelligent (auto load matching for fuel saving)
Independent large-capacity layered radiator for stable power under high temperature

Hydraulic System

Dual variable displacement main pumps, total max flow 630L/min
System pressure: Implement 350bar, Travel 350bar, Swing 280bar
Electric integrated main valve, independent pilot pump eliminated to reduce leakage
Dual-way auxiliary hammer piping standard, compatible with 40~45 ton heavy breakers
Synchronized compound action control, 15% faster truck loading cycle
Independent oversized hydraulic oil cooler to stabilize oil temperature

Travel & Braking System

Dual variable travel motors
Travel speed: Low 3.0km/h, High 5.2km/h
Braking: Hydraulic wet travel brake + spring swing parking brake, auto lock after engine shutdown
Auto downhill speed limit, anti-slip traction control for stable operation on steep mining slopes

Cab & Human-Machine Configuration (Full Standard Equipment)

ROPS/FOPS rollover & falling-object certified cab, optional top guard screen
Suspended shock-absorbing ergonomic seat with multi-direction adjustment
Automatic heating & air conditioning, double-layer sound insulation, interior noise ≤72dB(A)
10-inch HD touch display: real-time fuel consumption, load, fault diagnosis, maintenance reminder
Standard 360° panoramic camera + radar, full LED working lights
Electric pilot joysticks with custom shortcut buttons for breaker/quick coupler
USB fast charging, Bluetooth audio, built-in cool storage compartment

Frame, Working Equipment & Undercarriage

Thick box-type integral main frame, one-piece cast counterweight, no front lifting during full load digging
Standard 6.9m extended boom + 3.35m heavy-duty stick, all pins with thick wear-resistant bushes, stress relief annealing after welding
All cylinders equipped with built-in buffer & dust-proof covers; optional bucket tooth guards & side wear plates for rock work
Reinforced X-shaped undercarriage frame, extended track contact area for high mining bearing capacity
Long-life lubricated track pins, 30% longer service life

Fuel Tank & Maintenance Specs

Fuel tank volume: 600L
Hydraulic tank: 186L, total hydraulic system capacity: 423L
Engine oil capacity (with filter): 32L; Cooling system total volume: 40L
Single travel motor gear oil: 8L; Swing drive gear oil: 13.5L
Maintenance intervals:
Engine oil & filter: 500h
Fuel primary & secondary filters: 1000h
Hydraulic oil & filter: 3000h
Swing/travel gear oil: 2000h
Single-side centralized maintenance layout, large side service door for all filter replacement on one side

Standard & Optional Equipment List

Factory Standard Full Package

2.41m³ standard rock bucket, Cat C9.3B original engine, electric dual-pump hydraulic system, dual-way auxiliary hammer piping, 10-inch touch screen, 360° panoramic camera, A/C suspended seat, full LED lights, 700mm triple-grip track shoes, centralized filter bank, auto swing parking brake, dual power modes

Upgraded Mining Heavy-Duty Optional Package

1. 2.77m³ heavy mining bucket + high manganese wear-resistant bucket teeth & side guards
2. 900mm wide deep triple-grip mining track shoes
3. Heavy-duty top & front window cab protective mesh
4. Full underbody armor plate & wear-resistant hose sleeves
5. Hydraulic quick coupler assembly for fast switching between bucket, breaker & grapple
6. Cat Connect remote fleet management (positioning, fuel statistics, remote fault warning)
7. Larger thickened counterweight, reinforced heavy-duty 6.9m boom & stick