340 Hydraulic Excavator

340 Hydraulic Excavator

360° Exterior View

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 ...
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Engine

Engine Power - ISO 9249
346HP
Engine Model
Cat C9.3B
Bore
5in
Stroke
6in
Displacement
568in³

Weights

Operating Weight
82700lb

Working Ranges & Forces

Maximum Digging Depth
26.11ft
Boom
Reach 6.5 m (21'4")
Stick
Reach 3.9 m (12'10")
Bucket
HD 2.36 m³ (3.08 yd³)
Maximum Reach at Ground Level
38.7ft
Maximum Cutting Height
35.3ft
Maximum Loading Height
24.6ft
Minimum Loading Height
6.2ft
Maximum Depth Cut for 2440 mm (8 ft) Level Bottom
26.6ft
Maximum Vertical Wall Digging Depth
21.1ft
Bucket Digging Force - ISO
47190lbf
Stick Digging Force - ISO
32480lbf

Hydraulic System

Main System - Maximum Flow
148gal/min
Maximum Pressure - Equipment
5076psi
Maximum Pressure - Equipment - Lift Mode
5511psi
Maximum Pressure - Travel
5076psi
Maximum Pressure - Swing
4264psi

Swing Mechanism

Swing Speed
8.84r/min
Maximum Swing Torque
105214ft·lbf

Service Refill Capacities

Fuel Tank Capacity
158.5gal (US)
Cooling System
10.5gal (US)
Engine Oil
8.5gal (US)
Swing Drive - Each
4.8gal (US)
Final Drive - Each
2.1gal (US)
Hydraulic System - Including Tank
98.5gal (US)
Hydraulic Tank
42.5gal (US)
DEF Tank
21.1gal (US)

Dimensions

Boom
Reach 6.5 m (21'4")
Stick
Reach 3.9 m (12'10")
Bucket
HD 2.36 m³ (3.08 yd³)
Shipping Height - Top of Cab
10.5ft
Handrail Height
10.5ft
Shipping Length
36.8ft
Tail Swing Radius
11.7ft
Counterweight Clearance
4.2ft
Ground Clearance
1.8ft
Track Length
16.6ft
Track Length to Center of Rollers
13.3ft
Track Gauge
9ft
Transport Width - 850 mm (33”) Shoes
11.9ft

Standard Equipment:

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
    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
    • Boom lowering check valve
    • Stick lowering check valve
    • Inspection lighting
    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
    Premium Cab
    • One-piece front windshield
    • Cat Stick Steer