340 Hydraulic Excavator

With up to 10 percent more productivity than the model it replaces, the Cat® 340 is the best in its class for moving tons per hour. Add in the excavator’s low owning and operating costs and you will profit like nobody’s business.

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Bore 5in
Displacement 568in³
Engine Model Cat C9.3B
Engine Power - ISO 9249 346HP
Stroke 6in
Operating Weight 82700lb
Boom Reach 6.5 m (21'4")
Bucket HD 2.36 m³ (3.08 yd³)
Bucket Digging Force - ISO 47190lbf
Maximum Cutting Height 35.3ft
Maximum Depth Cut for 2440 mm (8 ft) Level Bottom 26.6ft
Maximum Digging Depth 26.11ft
Maximum Loading Height 24.6ft
Maximum Reach at Ground Level 38.7ft
Maximum Vertical Wall Digging Depth 21.1ft
Minimum Loading Height 6.2ft
Stick Reach 3.9 m (12'10")
Stick Digging Force - ISO 32480lbf
Main System - Maximum Flow 148gal/min
Maximum Pressure - Equipment 5076psi
Maximum Pressure - Equipment - Lift Mode 5511psi
Maximum Pressure - Swing 4264psi
Maximum Pressure - Travel 5076psi
Maximum Swing Torque 105214ft·lbf
Swing Speed 8.84r/min
Cooling System 10.5gal (US)
DEF Tank 21.1gal (US)
Engine Oil 8.5gal (US)
Final Drive - Each 2.1gal (US)
Fuel Tank Capacity 158.5gal (US)
Hydraulic System - Including Tank 98.5gal (US)
Hydraulic Tank 42.5gal (US)
Swing Drive - Each 4.8gal (US)
Boom Reach 6.5 m (21'4")
Bucket HD 2.36 m³ (3.08 yd³)
Counterweight Clearance 4.2ft
Ground Clearance 1.8ft
Handrail Height 10.5ft
Shipping Height - Top of Cab 10.5ft
Shipping Length 36.8ft
Stick Reach 3.9 m (12'10")
Tail Swing Radius 11.7ft
Track Gauge 9ft
Track Length 16.6ft
Track Length to Center of Rollers 13.3ft
Transport Width - 850 mm (33”) Shoes 11.9ft

Standard Equipment:

  • Note
    • Standard and optional equipment may vary. Consult your Cat dealer for details.
    • Standard and optional equipment may vary. Consult your Cat dealer for details.
  • Cat Technology
    • Product LinkTM
    • Product LinkTM
    • Remote flash
    • Remote flash
    • Remote troubleshoot
    • Remote troubleshoot
    • Compatibility with radios and base stations from Trimble, Topcon, and Leica
    • Compatibility with radios and base stations from Trimble, Topcon, and Leica
    • Capability to install 3D grade systems from Trimble, Topcon, and Leica
    • Capability to install 3D grade systems from Trimble, Topcon, and Leica
    • Cat Grade with 2D and offset memory
    • Cat Grade with 2D and offset memory
    • Cat Assist
    • Cat Assist
    • Cat Payload
    • Cat Payload
    • Cat E-Fence
    • Cat E-Fence
    • Auto hammer stop
    • Auto hammer stop
    • Work tool recognition
    • Work tool recognition
    • Work tool tracking (requires PL161 attachment locator)
    • Work tool tracking (requires PL161 attachment locator)
  • Electrical System
    • Maintenance-free 1,000 CCA batteries (x2)
    • Maintenance-free 1,000 CCA batteries (x2)
    • Centralized electrical disconnect switch
    • Centralized electrical disconnect switch
    • LED exterior chassis and boom lights
    • LED exterior chassis and boom lights
  • Engine
    • Three selectable modes: Power, Smart, Eco
    • Three selectable modes: Power, Smart, Eco
    • Auto engine speed control
    • Auto engine speed control
    • - 18° C (0° F) cold start capability
    • - 18° C (0° F) cold start capability
    • Double element air filter with integrated pre-cleaner
    • Double element air filter with integrated pre-cleaner
    • Remote disable
    • Remote disable
  • Hydraulic System
    • Boom and stick regeneration circuit
    • Boom and stick regeneration circuit
    • Electronic main control valve
    • Electronic main control valve
    • Auto heavy lift
    • Auto heavy lift
    • Auto dig boost
    • Auto dig boost
    • Auto hydraulic oil warmup
    • Auto hydraulic oil warmup
    • Bio hydraulic oil capability
    • Bio hydraulic oil capability
    • Fine swing
    • Fine swing
    • Reverse swing damping valve
    • Reverse swing damping valve
    • Auto swing parking brake
    • Auto swing parking brake
    • High performance hydraulic return filter
    • High performance hydraulic return filter
    • Two speed travel
    • Two speed travel
  • Safety And Security
    • Caterpillar One Key security system
    • Caterpillar One Key security system
    • Lockable external tool / storage box
    • Lockable external tool / storage box
    • Lockable door, fuel, and hydraulic tank locks
    • Lockable door, fuel, and hydraulic tank locks
    • Lockable fuel drain compartment
    • Lockable fuel drain compartment
    • Service platform with anti-skid plate & recessed bolts
    • Service platform with anti-skid plate & recessed bolts
    • RH handrail and handhold
    • RH handrail and handhold
    • Signaling / warning horn
    • Signaling / warning horn
    • Ground-level secondary engine shutoff switch
    • Ground-level secondary engine shutoff switch
    • Rearview camera
    • Rearview camera
  • Service And Maintenance
    • Grouped location of engine oil & fuel filters
    • Grouped location of engine oil & fuel filters
    • Scheduled Oil Sampling (S.O.S) ports
    • Scheduled Oil Sampling (S.O.S) ports
  • Undercarriage And Structures
    • Towing eye on base frame
    • Towing eye on base frame
    • Swivel guard
    • Swivel guard
    • HD bottom guard
    • HD bottom guard
    • HD travel motor guards
    • HD travel motor guards
    • Grease lubricated track
    • Grease lubricated track
    • HD swing frame
    • HD swing frame
    • HD swing bearing
    • HD swing bearing
    • 7.56 mt (16,667 lb) counterweight
    • 7.56 mt (16,667 lb) counterweight
  • Deluxe Cab
    • High-resolution 203 mm (8") LCD touchscreen monitor
    • High-resolution 203 mm (8") LCD touchscreen monitor
    • Auto bi-level air conditioner
    • Auto bi-level air conditioner
    • Jog dial and shortcut keys for monitor control
    • Jog dial and shortcut keys for monitor control
    • Keyless push-to-start engine control
    • Keyless push-to-start engine control
    • Height-adjustable console
    • Height-adjustable console
    • Tilt-up left-side console
    • Tilt-up left-side console
    • Heated air-suspension seat
    • Heated air-suspension seat
    • Monitor integrated Bluetooth radio with USB/Aux ports
    • Monitor integrated Bluetooth radio with USB/Aux ports
    • 12V DC outlets
    • 12V DC outlets
    • Document storage
    • Document storage
    • Overhead storage and rear storage with nets
    • Overhead storage and rear storage with nets
    • Beverage holder
    • Beverage holder
    • Cup holder
    • Cup holder
    • Openable two-piece front window
    • Openable two-piece front window
    • Rear window emergency exit
    • Rear window emergency exit
    • Radial wiper with washer
    • Radial wiper with washer
    • Openable polycarbonate skylight hatch
    • Openable polycarbonate skylight hatch
    • LED dome light
    • LED dome light
    • Floor welcome light
    • Floor welcome light
    • Roof sunscreen
    • Roof sunscreen
    • Roller front sunscreen
    • Roller front sunscreen
    • Washable floor mat
    • Washable floor mat
    • Beacon ready
    • Beacon ready
  • Premium Cab
    • High-resolution 254 mm (10") LCD touchscreen monitor
    • High-resolution 254 mm (10") LCD touchscreen monitor
    • Auto bi-level air conditioner
    • Auto bi-level air conditioner
    • Jog dial and shortcut keys for monitor control
    • Jog dial and shortcut keys for monitor control
    • Keyless push-to-start engine control
    • Keyless push-to-start engine control
    • Height-adjustable console
    • Height-adjustable console
    • Tilt-up left-side console
    • Tilt-up left-side console
    • Heated and ventilated air-suspension seat
    • Heated and ventilated air-suspension seat
    • Monitor integrated Bluetooth radio with USB/Aux ports
    • Monitor integrated Bluetooth radio with USB/Aux ports
    • 12V DC outlets
    • 12V DC outlets
    • Document storage
    • Document storage
    • Overhead storage and rear storage with nets
    • Overhead storage and rear storage with nets
    • Beverage holder
    • Beverage holder
    • Cup holder
    • Cup holder
    • Openable two-piece front window
    • Openable two-piece front window
    • Rear window emergency exit
    • Rear window emergency exit
    • Parallel wiper
    • Parallel wiper
    • Openable polycarbonate skylight hatch
    • Openable polycarbonate skylight hatch
    • LED dome light
    • LED dome light
    • Floor welcome light
    • Floor welcome light
    • Roof sunscreen
    • Roof sunscreen
    • Roller front sunscreen
    • Roller front sunscreen
    • Washable floor mat
    • Washable floor mat
    • Beacon ready
    • Beacon ready
    • Beacon ready

Optional Equipment:

  • Note
    • Standard and optional equipment may vary. Consult your Cat dealer for details.
  • Booms And Sticks
    • 6.18 m (20'3") Mass boom
    • 6.5 m (21'4") Reach, HD Reach booms
    • 2.55 m (8'4") Mass stick
    • 2.8 m (9'2") Reach, HD Reach sticks
    • 3.2 m (10'6") Reach, HD Reach sticks
    • 3.9 m (12'10") Reach, HD Reach sticks
    • TB family bucket linkage with/without lifting eye
    • DB family bucket linkage with/without lifting eye
  • Cat Technology
    • Cat Grade connectivity
    • Cat Grade with Advanced 2D
    • Cat Grade with 3D single GNSS
    • Cat Grade with 3D dual GNSS
  • Electrical System
    • Maintenance-free 1,000 CCA batteries (x4)
  • Engine
    • Oil level sensor
    • Battery-operated engine heater
    • Cold start block heater
    • 52°C (126°F) high-ambient cooling
    • Hydraulic reverse fan
    • -32°C (-25°F) cold start capability
  • Hydraulic System
    • Single one-way circuit
    • Combined two-way circuit
  • Safety And Security
    • Cat Detect - People Detection
    • Cat Command remote control
    • Swing alarm
    • Boom lowering check valve
    • Stick lowering check valve
    • Inspection lighting
  • Service And Maintenance
    • Integrated vehicle health management system
  • Undercarriage And Structures
    • Full-length track guiding guards
    • Segmented two-piece track guiding guards
    • HD rollers
    • 600 mm (24") double grouser, triple grouser, HD triple grouser track shoes
    • 700 mm (28") triple grouser track shoes
    • 800 mm (31") triple grouser track shoes
    • 850 mm (33") triple grouser track shoes
  • Deluxe Cab
    • High-resolution 254 mm (10") LCD touchscreen monitor
    • Roller rear sunscreen
    • Cat Stick Steer
    • Auxiliary relay
  • Premium Cab
    • One-piece front windshield
    • Cat Stick Steer
    • Auxiliary relay