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374 Hydraulic Excavator

374 Hydraulic Excavator

High Production. Greater Durability. Less Maintenance.

More Comfort ‚Äď More Performance ‚Äď More Versatility

  • 10% More Swing Torque

    Experience faster cycle times and smoother, more predictable performance.

  • Up To 2X More Structural Durability

    Do hard, heavy work with reinforced booms, sticks, upper and lower frames.

  • Up To 20% Less Maintenance Costs

    Save time and money using our improved oil filters with longer service intervals.


Biodiesel Capability Up to B20¬Ļ
Bore 5.4 in
Displacement 928 in³
Emissions Meets U.S. EPA Tier 4 Final, EU Stage V, Korea Stage V, and Japan 2014 emission standards.
Engine Model Cat C15
Engine Power - ISO 14396 485 HP
Engine Power - ISO 14396 (DIN) 492 hp (metric)
Net Power - ISO 9249 484 HP
Net Power - ISO 9249 (DIN) 491 hp (metric)
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 1,700 rpm. Advertised power is tested per the specified standard in effect at time of manufacture.
Note (2) ¬ĻCat diesel engines are required to use ULSD (ultra-low sulfur diesel fuel with 15 ppm of sulfur or less) or ULSD blended with the following lower-carbon intensity fuels** up to: 20% 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 ‚ÄúCaterpillar Machine Fluids Recommendations‚ÄĚ (SEBU6250) for details. * Engines with no aftertreatment devices can use higher blends, up to 100% biodiesel (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.
Stroke 6.7 in

Hydraulic System

Main System - Maximum Flow - Implement 237 gal/min
Maximum Pressure - Equipment 5366 psi
Maximum Pressure - Equipment - Lift Mode 5511 psi
Maximum Pressure - Swing 5076 psi
Maximum Pressure - Travel 5076 psi

Swing Mechanism

Maximum Swing Torque 220000 ft·lbf
Swing Speed 6.34 r/min


Note Long Variable Gauge undercarriage, Reach boom, R4.67VB (15'4") stick, SD 3.3 m³ (4.32 yd³) bucket, 900 mm (35") HD double grouser shoes and removal type counterweight.
Operating Weight 158200 lb

Service Refill Capacities

Cooling System 19 gal (US)
DEF Tank 21 gal (US)
Engine Oil 16 gal (US)
Final Drive - Each 9 gal (US)
Fuel Tank Capacity 243 gal (US)
Hydraulic System - Including Tank 164 gal (US)
Hydraulic Tank 86 gal (US)
Swing Drive 5 gal (US)


Boom Reach 7.8m (25'7")
Bucket SD 3.3 m³ (4.32 yd³)
Counterweight Clearance 4.1 ft
Ground Clearance 2.6 ft
Handrail Height 13 ft
Note Track gauge undercarriage extended with 650 mm (26") shoes; transport width undercarriage retracted with 650 mm (26") shoes and no steps
Shipping Height - Top of Cab 11.8 ft
Shipping Length 44.9 ft
Stick R3.6m (11'10")
Tail Swing Radius 13.8 ft
Track Gauge 11.2 ft
Track Length 19.3 ft
Track Length to Center of Rollers 15.5 ft
Transport Width 11.1 ft

Working Ranges & Forces

Boom Reach 7.8m (25'7")
Bucket SD 3.3 m³ (4.32 yd³)
Bucket Digging Force - ISO 80550 ft·lbf
Maximum Cutting Height 41.2 ft
Maximum Depth Cut for 2440 mm (8 ft) Level Bottom 27.8 ft
Maximum Digging Depth 28.1 ft
Maximum Loading Height 27.7 ft
Maximum Reach at Ground Level 43.2 ft
Maximum Vertical Wall Digging Depth 22.8 ft
Minimum Loading Height 10.1 ft
Stick R3.6m (11'10")
Stick Digging Force - ISO 66390 ft·lbf

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).

Download resources

374 Excavator - Product Brochure (Aus-NZ, Chile, Europe, N Am, S Korea, Turkey)
374 Excavator - Technical Specifications (Aus-NZ, Chile, N Am, S Korea, Turkey)
374 Excavator - Technical Specifications (Europe)
374 Excavator - Technical Specifications (Japan)

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