Large Excavators

  • Specification Summary

  • Net Power - ISO 9249 414 hp
  • Net Power - ISO 9249 (DIN) 420 hp
  • Engine Model C9.3 B
  • Engine Power - ISO 14396 310 kW
The Cat® 350 is known for its premier productivity, low owning and operating costs, and easy-to-use Cat technology. With a bucket capacity of up to 3.2 m3 (4.2 yd3) and outstanding digging force and swing torque, the 350 can move tons of material for top production. The cab features large windows at the front, sides, and rear, giving excellent visibility in all directions from the operator's seat. Narrow front cab pillars allow a wider field of view to the front. The 350 will help you get tons of work done on grade and on time.

Availability may vary by region, consult your Cat® Dealer for more details.

Engine

Net Power - ISO 9249 414 hp
Net Power - ISO 9249 (DIN) 420 hp
Engine Model C9.3 B
Engine Power - ISO 14396 310 kW
Bore 115 mm
Stroke 149 mm
Displacement 9.3 l
Biodiesel Capability Up to B20¹
Emissions Meets Brazil MAR-1 emission standards, equivalent to U.S. EPA Tier 3 and EU Stage IIIA.
Note (1) Net power advertised is the power available at the flywheel when the engine is equipped with fan, air intake system, exhaust system, and alternator with engine speed at 1,800 rpm. Advertised power is tested per the specified standard in effect at the time of manufacture.
Note (2) ¹Cat engines are compatible with diesel fuel blended with the following lower-carbon intensity fuels** up to 100% biodiesel FAME (fatty acid methyl ester)* or 100% renewable diesel, HVO (hydrogenated vegetable oil) and GTL (gas-to-liquid) fuels. Refer to guidelines for successful application. Please consult your Cat dealer or "Caterpillar Machine Fluids Recommendations" (SEBU6250) for details. *For use of blends higher than 20% biodiesel, consult your Cat dealer. ** Tailpipe greenhouse gas emissions from lower-carbon intensity fuels are essentially the same as traditional fuels.

Hydraulic System

Main System - Maximum Flow 779 L/min
Maximum Pressure - Equipment 35000 kPa
Maximum Pressure - Equipment - Lift Mode 38000 kPa
Maximum Pressure - Travel 35000 kPa
Maximum Pressure - Swing 25700 kPa

Swing Mechanism

Maximum Swing Torque 189 kN·m
Note (1) *For CE-marked machine default value may be set lower

Weights

Operating Weight 47600 kg

Service Refill Capacities

Fuel Tank Capacity 680 l
Cooling System 48 l
Engine Oil 32 l
Swing Drive - Each 15 l
Final Drive - Each 11 l
Hydraulic System - Including Tank 550 l
Hydraulic Tank 217 l
Swing Drive 15 l

Dimensions

Boom Reach 6.9 m (22’8”)
Stick Reach 3.35 m (11’)
Bucket SD 2.70 m³ (3.60 yd³)
Shipping Height - Top of Cab 3260 mm
Handrail Height 3400 mm
Shipping Length 11950 mm
Tail Swing Radius 3760 mm
Counterweight Clearance 1340 mm
Ground Clearance 520 mm
Track Length 5400 mm
Track Length to Center of Rollers 4360 mm
Track Gauge 2740 mm
Transport Width - 600 mm (24”) Shoes 3340 mm

Working Ranges and Forces

Maximum Digging Depth 7690 mm
Boom Reach 6.9 m (22’8”)
Stick Reach 3.35 m (11’)
Bucket SD 2.70 m³ (3.60 yd³)
Maximum Reach at Ground Level 11760 mm
Maximum Cutting Height 10700 mm
Maximum Loading Height 7380 mm
Minimum Loading Height 2710 mm
Maximum Depth Cut for 2440 mm (8 ft) Level Bottom 7550 mm
Maximum Vertical Wall Digging Depth 5630 mm
Bucket Digging Force - ISO 266 kN
Stick Digging Force - ISO 200 kN

Air Conditioning System

Air Conditioning The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 1.00 kg (2,205 lb) of refrigerant which has a CO2 equivalent 1.430 metric tonnes (1.576 tons).