Large Excavators

  • Specification Summary

  • Net Power - ISO 9249 480 HP
  • Net Power - ISO 9249 (DIN) 487 hp (metric)
  • Engine Model Cat C15
  • Engine Power - ISO 14396 359 kW
The Cat® 374 Excavator is a 74-tonne large excavator that brings high production, durability, and low maintenance costs to your jobsite. The 374 excavator has 10% more swing torque, twice the structural durability and 20% lower maintenance costs than the 374F.

Engine

Net Power - ISO 9249 480 HP
Net Power - ISO 9249 (DIN) 487 hp (metric)
Engine Model Cat C15
Engine Power - ISO 14396 359 kW
Engine Power - ISO 14396 (DIN) 488 hp (metric)
Bore 137 mm
Stroke 171 mm
Displacement 15.2 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 enginge 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 (hydrotreated 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 - Implement 896 l/min
Maximum Pressure - Equipment 37000 kPa
Maximum Pressure - Equipment - Lift Mode 38000 kPa
Maximum Pressure - Travel 35000 kPa
Maximum Pressure - Swing 35000 kPa

Swing Mechanism

Swing Speed 6.34 r/min
Maximum Swing Torque 298 kN·m

Weights

Operating Weight 73890 kg
Note Long Variable Gauge undercarriage, Mass boom, R2.57WB (8'5") stick, SD 4.60m³ (6.02 yd³) bucket, 650 mm (26") HD doublegrouser shoes and standard counterweight.

Service Refill Capacities

Fuel Tank Capacity 920 l
Cooling System 71 l
Engine Oil 62 l
Swing Drive 20 l
Final Drive - Each 32 l
Hydraulic System - Including Tank 620 l
Hydraulic Tank 326 l

Dimensions

Boom Mass 7.0m (23)
Stick M2.57m (8'5")
Bucket XD 4.4 m³ (5.75 yd³)
Shipping Height - Top of Cab 3559 mm
Handrail Height 3982 mm
Shipping Length 12978 mm
Tail Swing Radius 4171 mm
Counterweight Clearance 1494 mm
Ground Clearance 782 mm
Track Length 5873 mm
Track Length to Center of Rollers 4705 mm
Track Gauge 3410 mm
Transport Width 3400 mm
Note Track gauge undercarriage extended with 650 mm (26") shoes; transport width undercarriage retracted with 650 mm (26") shoes and no steps

Working Ranges & Forces

Maximum Digging Depth 7660 mm
Boom Mass 7.0m (23)
Stick M2.57m (8'5")
Bucket XD 4.4 m³ (5.75 yd³)
Maximum Reach at Ground Level 11470 mm
Maximum Cutting Height 11000 mm
Maximum Loading Height 7050 mm
Minimum Loading Height 3470 mm
Maximum Depth Cut for 2440 mm (8 ft) Level Bottom 7080 mm
Maximum Vertical Wall Digging Depth 3710 mm
Bucket Digging Force - ISO 405 kN
Stick Digging Force - ISO 352 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 (2.2lb) of refrigerant, which has a CO2 equivalent of 1.430 metric tonnes (1.576 tons).