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Cat® 374 Hydraulic Excavator

Cat® 374 Hydraulic Excavator

At a Glance

Net Power - ISO 9249
484 HP
Operating Weight
162900 lb
Maximum Digging Depth
28.1 ft
Net Power - ISO 9249 (DIN)
491 hp (metric)
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If you want high production and more durability with less maintenance, the 374 is a terrific choice. With 10 percent more swing torque than the 374F it replaces, you’ll experience faster cycle times. Plus you get two times more structural durability and up to 20 percent less maintenance for longer service life and greater uptime.


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Net Power - ISO 9249 484HP
Net Power - ISO 9249 (DIN) 491hp (metric)
Engine Model Cat C15
Engine Power - ISO 14396 485HP
Engine Power - ISO 14396 (DIN) 492hp (metric)
Bore 5.4in
Stroke 6.7in
Displacement 928in³
Biodiesel Capability Up to B20¹
Emissions Meets U.S. EPA Tier 4 Final, EU Stage V, Korea Stage V, and Japan 2014 emission standards.
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
Note (2) ¹Cat 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


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Operating Weight 162900lb
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.

Working Ranges & Forces

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

Hydraulic System

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

Swing Mechanism

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

Service Refill Capacities

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


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

Air Conditioning System

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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).