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374 Hydraulic Excavator

374 Hydraulic Excavator

No matter how hard the work, the Cat® 374 Excavator is built to do it. Three modes of operation, Power, Smart, and Eco, help operators reduce fuel consumption and optimize performance. Built for durability, the 374 is structurally sound with reinforced track rollers, booms, sticks, upper and lower frames. Simple, easy-to-use onboard technology such as Cat Payload, Cat Grade with 2D, Lift Assist, 2D E-Fence, and Work Tool Recognition helps boost efficiency and jobsite safety. The deluxe and standard cab options feature operator-pleasing ergonomic amenities such as the front-facing control panel, keyless pushbutton start, and large touchscreen monitor with jog dial keys.

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Net Power - ISO 9249484HP

Net Power - ISO 9249 (DIN)491hp (metric)

Engine ModelCat C15

Engine Power - ISO 14396485HP

Engine Power - ISO 14396 (DIN)492hp (metric)




Biodiesel CapabilityUp to B20¹

EmissionsMeets 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

Operating Weight162900lb

NoteLong 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.

Maximum Digging Depth28.1ft

BoomReach 7.8m (25'7")

StickR3.6m (11'10")

BucketSD 3.3 m³ (4.32 yd³)

Maximum Reach at Ground Level43.2ft

Maximum Cutting Height41.2ft

Maximum Loading Height27.7ft

Minimum Loading Height10.1ft

Maximum Depth Cut for 2440 mm (8 ft) Level Bottom27.8ft

Maximum Vertical Wall Digging Depth22.8ft

Bucket Digging Force - ISO80550ft·lbf

Stick Digging Force - ISO66390ft·lbf

Main System - Maximum Flow - Implement237gal/min

Maximum Pressure - Equipment5366psi

Maximum Pressure - Equipment - Lift Mode5511psi

Maximum Pressure - Travel5076psi

Maximum Pressure - Swing5076psi

Swing Speed6.34r/min

Maximum Swing Torque220000ft·lbf

Fuel Tank Capacity243gal (US)

Cooling System19gal (US)

Engine Oil16gal (US)

Swing Drive5gal (US)

Final Drive - Each9gal (US)

Hydraulic System - Including Tank164gal (US)

Hydraulic Tank86gal (US)

DEF Tank21gal (US)

BoomReach 7.8m (25'7")

StickR3.6m (11'10")

BucketSD 3.3 m³ (4.32 yd³)

Shipping Height - Top of Cab11.8ft

Handrail Height13ft

Shipping Length44.9ft

Tail Swing Radius13.8ft

Counterweight Clearance4.1ft

Ground Clearance2.6ft

Track Length19.3ft

Track Length to Center of Rollers15.5ft

Track Gauge11.2ft

Transport Width11.1ft

NoteTrack gauge undercarriage extended with 650 mm (26") shoes; transport width undercarriage retracted with 650 mm (26") shoes and no steps

Air ConditioningThe 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).


Standard and optional equipment may vary. Consult your Cat dealer for details.


Standard and optional equipment may vary. Consult your Cat dealer for details.


High-resolution 254 mm (10") LCD touch screen monitor

Heated seat with air-adjustable suspension (Deluxe only)

Heated and cooled seat with auto adjustable suspension (Premium only)

Sound suppressed cab with viscous mounts

Automatic bi-level air conditioner

Jog dial and shortcut keys for monitor control

Keyless push-to-start engine control

Height-adjustable console, infinite with no tool

Tilt-up left-side console

51 mm (2") orange seat belt

Bluetooth integrated radio (including USB, aux port and microphone)

2 x 12V DC outlets

Document storage

Rear head storage net and lunchbox storage net

Cup and bottle holders

Openable two-piece front window

Upper radial wiper with washer

Parallel wiper with washer (Premium only)

Openable polycarbonate skylight hatch (Premium only)

LED dome light

Floor welcome light

Roller front sunscreen

Roller rear sunscreen (Premium standard)

Rear window emergency exit

Washable floor mat

Beacon Ready


Cat Stick Steer

Auxiliary relay

Additional high-resolution LCD touch screen monitor for Cat Grade Advanced 2D and 3D

Roller rear sunscreen (Deluxe)

Radial lower wiper

Joystick with horizontal sliders

LH/RH electrical pedal for tool control

Dual exit rear window kit

Front windshield laminated glass (P5A glass, EU demolition regulation)

Cab/Operator Protective Guards (OPG) (not compatible with cab light cover, rain protector)

Mesh guard full front (not compatible with cab light, cover, rain protector)

Mesh guard lower half front

Rain protector for front windshield plus cab light cover

Full protecting vandalism guard



Remote Flash

Remote Troubleshoot

Operator Coaching

Compatibility with radios and base stations from Trimble, Topcon, and Leica

Capability to install 3D grade systems from Trimble, Topcon, and Leica

Cat Grade 2D

Cat Assist (Grade, Boom, Bucket, Swing, Lift)

Cat Payload (Static Weigh, Semiautomatic Calibration, Payload/Cycle Information, USB Reporting Capability)

Work tool recognition (Requires PL161 attachment locator on work tool and Bluetooth receiver on machine)

Work tool tracking (Requires PL161 attachment locator on work tool and Bluetooth receiver on machine)


VisionLink® Productivity

Cat Grade Connectivity

Cat Grade 2D with Attachment Ready Option (ARO)

Cat Grade 3D single GNSS

Cat Grade dual GNSS

GNSS antennae

Laser catcher

Cat Tilt Rotator (TRS) Integration


Maintenance-free 1,400 CCA batteries (x2)

Centralized electrical disconnect switch

Chassis light

Exterior lights (integrated into storage box)


1,800 lumen LED premium surround lights

LED boom and cab lights


Three selectable modes: Power, Smart, and Eco

Auto engine speed control

Up to 4500m (14,760 ft) altitude capability

52°C (126°F) high-ambient cooling capacity

-18°C (-0.4°F) cold start capability

Hydraulic reverse fan

Double element air filter with integrated pre-cleaner

3 vertical side-by-side cooling system

95 Amp alternator


-32°C (-25°F) cold start capability

Cold start block heaters


Boom and stick regeneration circuit

Electronic main control valve

Dedicated closed loop swing circuit

Auto heavy lift

Auto hydraulic oil warmup

Auto swing parking brake

High performance hydraulic return filter

Two speed travel

Bio hydraulic oil capability


Hydraulic efficiency monitoring

Advanced tool control

Medium-pressure auxiliary circuit

Quick coupler circuit


Caterpillar One Key security system

Lockable external tool / storage box

Lockable door, fuel, and hydraulic tank locks

Lockable disconnect switch

Service platform with anti-skid plate & recessed bolts

Right hand handrail and hand hold (ISO 2867:2011 compliant)

Visibility mirror package

Signaling/warning horn

Ground-level secondary engine shutoff switch

Rearview and right-hand-sideview cameras


Travel alarm (North America only)

2D E-Fence (E-ceiling, E-floor, E-swing, E-wall, E-cab avoidance)

Auto hammer stop


Travel alarm

Swing alarm

360° visibility

Boom lowering check valve

Stick lowering check valve

Inspection lighting

Tilt-up walkway

Bluetooth key fob

76mm (3") retractable seat belt


Integrated vehicle health management system

Auto lube ready

Grouped location of engine oil & fuel filters

Sampling ports for Scheduled Oil Sampling (S·O·S℠)

QuickEvac maintenance ready


Electric refueling pump with auto shutoff


Long variable gauge undercarriage

Swivel guard

Grease lubricated track

HD travel motor guard

Standard counterweight

HD bottom guard


Three-piece segmented track guiding guards

Two-piece segmented track guiding guards

Counterweight with removal device

650mm (26") HD double grouser track shoes

750mm (30") HD double grouser track shoes

900mm (35") HD double grouser track shoes


7.0m (23') Mass boom

7.8m (25'7") Reach boom

2.57m (8'5") Mass stick

2.84m (9'4") Reach stick

3.0m (9'10") Mass stick

3.6m (11'10") Reach stick

4.15m (15'4") Reach stick

4.67m (15'4") Reach stick

Bucket Linkage, VB family with lifting eye, Cat Grade

Bucket Linkage, VB family without lifting eye, Cat Grade

Bucket Linkage, WB family with lifting eye, Cat Grade

Bucket Linkage, WB family without lifting eye, Cat Grade

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