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The 374D L Series Excavator has excellent control, high stick and bucket forces, impressive lift capacity, simplified service and a comfortable operator station to increase your productivity and lower operating costs.


Engine Model Cat® C15 ACERT™ (ATAAC) Cat® C15 ACERT™ (ATAAC) Less
Net Flywheel Power 476.0 hp 355.0 kW Less
Net Power - ISO 9249 476.0 hp 355.0 kW Less
Net Power - SAE J1349 476.0 hp 355.0 kW Less
Net Power - EEC 80/1269 476.0 hp 355.0 kW Less
Bore 5.4 in 137.0 mm Less
Stroke 6.75 in 171.0 mm Less
Displacement 928.0 in3 15.2 L Less


Operating Weight 156819.0 lb 71132.0 kg Less
Operating Weight - Long Undercarriage 156819.0 lb 71132.0 kg Less


Standard w/Long Undercarriage 36.0 in 900.0 mm Less
Optional for Long Undercarriage 26.0 in 650.0 mm Less
Number of Shoes (each side) - Long Undercarriage 47 47 Less
Number of Track Rollers (each side) - Long Undercarriage 8 8 Less
Number of Carrier Rollers (each side) 3 3 Less
Optional for Long Undercarriage 30.0 in 750.0 mm Less

Swing Mechanism

Swing Speed 6.4 RPM 6.4 RPM Less
Swing Torque 158428.0 lb ft 214.8 kN·m Less


Maximum Travel Speed 2.6 mph 4.1 km/h Less
Maximum Drawbar Pull - Long Undercarriage 110718.0 lb 492.5 kN Less

Hydraulic System

Main System - Maximum Flow (Total) 232.0 gal/min 880.0 L/min Less
Swing System - Maximum Flow 95.0 gal/min 360.0 L/min Less
Maximum Pressure - Equipment - Normal 5076.0 psi 35000.0 kPa Less
Maximum Pressure - Travel 5076.0 psi 35000.0 kPa Less
Maximum Pressure - Swing 4264.0 psi 29400.0 kPa Less
Pilot System - Maximum Flow 23.0 gal/min 87.0 L/min Less
Pilot System - Maximum Pressure 600.0 psi 4120.0 kPa Less
Boom Cylinder - Bore 7.5 in 190.0 mm Less
Boom Cylinder - Stroke 70.6 in 1792.0 mm Less
Stick Cylinder - Bore 8.3 in 210.0 mm Less
Stick Cylinder - Stroke 83.4 in 2118.0 mm Less
VB2 - Family Bucket Cylinder - Bore 7.5 in 190.0 mm Less
VB2 - Family Bucket Cylinder - Stroke 56.8 in 1443.0 mm Less
WB2 - Family Bucket Cylinder - Bore 7.9 in 200.0 mm Less
WB2 - Family Bucket Cylinder - Stroke 57.4 in 1457.0 mm Less

Service Refill Capacities

Fuel Tank Capacity 247.0 gal 935.0 L Less
Cooling System 25.0 gal 95.0 L Less
Engine Oil 17.0 gal 65.0 L Less
Swing Drive (each) 3.2 gal 12.0 L Less
Final Drive (each) 4.0 gal 15.0 L Less
Hydraulic System (including tank) 186.0 gal 705.0 L Less
Hydraulic Tank 95.0 gal 360.0 L Less

Sound Performance

Performance ANSI/SAE J1166 OCT98 ANSI/SAE J1166 OCT98 Less


Brakes SAE J1026 APR90 SAE J1026 APR90 Less
Cab/FOGS SAE J1356 FEB88, ISO 10262 SAE J1356 FEB88, ISO 10262 Less


Cat hydraulics deliver power and precise control to keep material moving

Operator Station

374D L is designed for simple, easy operation and comfort


ACERT Technology optimizes engine performance

Control System

Electronic management


Rugged structures designed for maximum durability


The link that transmits the reaction forces from digging to the ground

Front Linkage

Designed for flexibility and high productivity

Buckets and Teeth

Designed and built for total system performance

Work Tools

Solutions for your business


374D L meets a wide range of environmental requirements

Service and Maintenance

Fast, easy service has been designed into the 374D L

Complete Customer Support

Cat dealer services help you operate longer with lower costs

374D L Standard Equipment

  • Alternator - 75 ampere
  • Lights: - Cab interior - Cab lights, halogen, time delay - Boom lights, halogen
  • Signal/warning horn

  • Automatic engine speed control
  • Automatic swing parking brake
  • Automatic travel parking brakes
  • Cat C15 with ACERT Technology
  • Altitude capability to 2300 m (7,500 ft)
  • Electric fuel priming pump
  • High ambient cooling capability
  • Side-by-side cooling system with separately mounted AC condenser and variable speed fan
  • Two speed travel
  • Water separator, with level indicator, for fuel line

  • Heavy duty bottom guards on upper frame
  • Heavy duty swivel guard on undercarriage
  • Heavy duty travel motor guards on undercarriage
  • Track guiding guards - center section

  • Air conditioner, heater and defroster with automatic climate control
  • Ashtray and 24 volt lighter
  • Beverage/cup holder
  • Coat hook
  • Console mounted electronic type joysticks with adjustable gain and response
  • Floor mat
  • Instrument panel and gauges with full color graphical display
  • Literature compartment
  • Neutral lever (lock out) for all controls
  • Positive filtered ventilation
  • Pressurized cab
  • Retractable seat belt 75 mm (3 in) width
  • Sunshade for windshield and skylight
  • Travel control pedals with removable hand levers
  • Windshield wipers and washers (upper and lower)

  • Double grouser 900 mm (35 in)
  • Grease lubricated track
  • Hydraulic track adjusters
  • Long, variable gauge
  • Steps - four

  • Auxiliary hydraulic valve for hydro-mechanical tools
  • Cat one key security system with locks for doors, cab and fuel cap
  • Catwalks - left side and right side
  • Cross-roller type swing bearing
  • Drive for auxiliary pump
  • Hand control pattern changer
  • Mirrors - left and right
  • S·O·SSM quick sampling valves for engine oil and hydraulic oil
  • Steel firewall between engine and hydraulic pumps
  • Product Link (Australia/New Zealand only)

374D L Optional Equipment

  • Booms: - Mass excavation 7.0 m (23'0") with two working lights - Reach 7.8 m (25'7") with two working lights
  • Sticks: - M2.57WB (8'5") for mass boom - M3.0WB (9'10") for mass boom - R2.84VB (9'4") for reach boom - R3.6VB (11'10") for reach boom - R4.15VB (13'7") for reach boom - R4.67VB (15'4") for reach boom
  • Bucket Linkages: - VB2-family for VB2 sticks (available with or without lifting eye) - WB2-family for WB2 sticks (available with or without lifting eye)
  • Buckets - see chart
  • Tips, sidecutters and edge protectors

  • Double grouser 650 mm (26 in)
  • Double grouser 750 mm (30 in)
  • Double grouser 900 mm (35 in)

  • FOGS (Falling Object Guard System) including overhead and windshield guards
  • Track guiding guards: - Full length - Center section
  • Vandal guards for windshield
  • Wire mesh screen for windshield

  • Basic control arrangements: - Single action - one-way high pressure for hammer application - Combined function - one-way high pressure circuit for hammer application function for one-way or two-way high pressure - Quick coupler circuit - Quick coupler lines for booms - Quick coupler lines for sticks
  • Auxiliary boom lines: - High pressure for reach and mass booms
  • Auxiliary stick lines: - High pressure lines for reach and mass sticks

  • Adjustable high-back heated seat with mechanical suspension
  • Adjustable high-back seat with air suspension and heater
  • Boom lowering control device
  • Counterweight removal system
  • Starting aid for cold weather with ether
  • Stick lowering control device
  • Straight travel pedal
  • Cab front rain protector
  • Converter, 10 amp - 12 volt with two sockets
  • Electric refueling pump
  • HID, boom lights
  • HID, cab lights, time delay
  • Jump start terminals
  • Reversible cooling fan including protective screen
  • Operator Compartment: - Joysticks: • Four button joystick for standard machine or single action auxiliary control • Thumb wheel modulation joystick for use with combined auxiliary control - Radio: • AM/FM radio mounted in right hand console with antenna and two speakers • Radio ready mounting at rear location including 24 volt to 12 volt converter speakers, antenna • Two-way radio ready
  • Product Link
  • Windshield: - 70-30 split, sliding
  • WAVES ready

Optimise Jobsite Efficiency with Cat® Machine and Technology Solutions

Talk to your Cat dealer about the range of innovative machine technology and fleet management solutions including GRADE, PAYLOAD and LINK technologies. Our 3-year Equipment Protection Plan is now standard on many models* and Caterpillar is standing behind fuel efficiency with our Fuel Edge Program. Plus your Cat dealer can offer competitive finance rates with Caterpillar Financial Australia. 

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