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340 Straight Boom Excavator

With its new cab, long maintenance intervals, and power system that improves fuel efficiency up to 15%, the Cat® 340 is the perfect choice for low-level demolition, sorting, and other excavation tasks.

Operating Weight
87800 lb
Maximum Pin Height at Stick Nose
39.4 ft
Maximum Weight at Stick Nose
9170 lb
Engine Model
C9.3B

Weights

Operating Weight
87800lb
Note (1)
Long undercarriage, Straight boom, R3.9DB (12'10") stick, GD 2.27 m³ (2.97 yd³) bucket, 700 mm (28") triple grouser shoes, and 9.0 mt (19,800 lb) counterweight.

Working Ranges and Forces

Maximum Pin Height at Stick Nose
39.4ft
Maximum Weight at Stick Nose
9170lb
Boom
Straight 6.9 m (22'8")
Stick
Reach 3.9 m (12'10")
Bucket
GD 2.27 m³ (2.97 yd³)
Maximum Digging Depth
21.8ft
Maximum Reach at Ground Level
40.5ft
Maximum Cutting Height
45.2ft
Maximum Loading Height
33.6ft
Minimum Loading Height
11ft
Maximum Depth Cut for 2440 mm (8'0") Level Bottom
21.4ft
Maximum Vertical Wall Digging Depth
18.5ft
Bucket Digging Force -ISO
47150lbf
Stick Digging Force - ISO
32440lbf

Engine

Engine Model
C9.3B
Net Power - ISO 9249
346HP
Net Power - ISO 9249 (DIN)
351hp (metric)
Engine Power - ISO 14396
347HP
Engine Power - ISO 14396 (DIN)
352hp (metric)
Bore
5in
Stroke
6in
Displacement
568in³
Biodiesel Capability
Up to B20¹
Emissions
Meets U.S. EPA Tier 4 Final, EU 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 1,900 rpm. Advertised power is tested per the specified standard in effect at the time
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

Hydraulic System

Main System - Maximum Flow
560 l/min (148 gal/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
10741ft·lbf

Service Refill Capacities

Fuel Tank Capacity
158.5gal (US)
Cooling System
10.5gal (US)
Engine Oil
8.5gal (US)
Swing Drive
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
Straight 6.9 m (22'8")
Stick
Reach 3.9 m (12'10")
Bucket
GD 2.27 m³ (2.97 yd³)
Shipping Height - Top of Cab
11ft
Cab Height - With OPG
11.5ft
Shipping Length
37.4ft
Tail Swing Radius
11.6ft
Counterweight Clearance
4.1ft
Ground Clearance
1.7ft
Track Length
16.5ft
Track Length to Center of Rollers
13.3ft
Track Gauge
8.5ft
Transport Width
10.9ft

Air Conditioning System

Air Conditioning
The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 1.0 kg (2.2 lb) of refrigerant which has a CO2 equivalent of 1.430 metric tonnes (1.576 tons).

Standard Equipment:

  • Note
    • Standard and optional equipment may vary. Consult your Cat dealer for details.
  • Boom And Sticks
    • 6.9 m (22'8") Straight boom
  • Cab
    • ROPS, advanced sound suppression
    • High-resolution 254 mm (10") LCD touch screen monitor
    • Heated seat with air-adjustable suspension
  • Cat Technology
    • VisionLink®
    • Remote Flash
    • Remote Troubleshoot
    • Cat Grade 2D
    • Cat Assist
    • Cat Payload
  • Electrical System
    • Maintenance-free 1,000 CCA batteries (x2)
    • Centralized electrical disconnect switch
    • LED chassis light
  • Engine
    • Three selectable modes: Power, Smart, Eco
    • Auto engine speed control
    • 2300 m (7,546 ft) altitude capability with no engine power de-rating
    • 52° C (126° F) high-ambient cooling capacity
    • -18° C (0° F) cold start capability
    • Double element air filter with integrated pre-cleaner
  • Hydraulic System
    • Boom and stick regeneration circuit
    • Electronic main control valve
    • Heavy lift mode
    • Auto hydraulic oil warmup
    • Reverse swing damping valve
    • Auto swing parking brake
    • High performance hydraulic return filter
    • Two speed travel
    • Bio hydraulic oil capability
  • Safety And Security
    • 2D E-fence
    • Auto hammer stop
    • Caterpillar One Key security system
    • Lockable external tool / storage box
    • Lockable door, fuel and hydraulic tank locks
    • Lockable fuel drain compartment
    • Lockable disconnect switch
    • Service platform with anti-skid plate and recessed bolts
    • Right-hand handrail and hand hold
    • Standard visibility mirror package
    • Signaling / warning horn
    • Ground-level secondary engine shutoff switch
    • Rear and sideview cameras
    • Boom lowering check valve (optional in North America)
    • Stick lowering check valve (optional in North America)
  • Service And Maintenance
    • Grouped location of engine oil & fuel filters
    • Sampling ports for Scheduled Oil Sampling (S·O·S℠)
    • Integrated vehicle health management system
  • Undercarriage And Structures
    • Towing eye on base frame
    • 9.0 mt (19,842 lb) counterweight

Optional Equipment:

  • Note
    • Standard and optional equipment may vary. Consult your Cat dealer for details.
  • Boom And Sticks
    • 3.2 m (10'6") Reach stick
    • 3.9 m (12'10") Reach stick
  • Cat Technology
    • VisionLink Productivity
    • Cat Grade 2D with Attachment Ready Option (ARO)
    • Cat Grade 3D single GNSS
    • Cat Grade 3D dual GNSS
  • Electrical System
    • Premium surround lighting package
  • Engine
    • Cold start block heaters
    • Auto reverse fan
    • -32° C (-25° F) cold start capability
  • Hydraulic System
    • SmartBoom (Europe only)
    • Combined two-way auxiliary circuit with direct return
    • Medium-pressure auxiliary circuit
    • Cooling circuit
    • Quick coupler circuit for Cat Pin Grabber and CW Dedicated
  • Safety And Security
    • Cat Command (remote control)
    • Travel alarm (standard in North America)
    • Swing alarm
    • 360° visibility
  • Service And Maintenance
    • Preventative maintenance ready (Quick Evac)
    • Electric refueling pump with auto shutoff
  • Undercarriage And Structures
    • Long undercarriage
    • Long Narrow undercarriage
    • 600 mm (24") HD triple grouser track shoes
    • 700 mm (28") triple grouser track shoes
    • 850 mm (33") HD triple grouser track shoes

P232 Secondary Pulverizer

Cycle Time - Open
1.9 s
Cycle Time - Close
1.4 s
Crushing Force - Primary Cutter
479 Sh Ton

P332 Primary Pulverizer

Cycle Time - Open
1.9 s
Cycle Time - Close
1.3 s
Crushing Force - Primary Cutter
563 Sh Ton

MP332 Universal Jaw

Cycle Time - Open
1.6 s
Excavator Minimum
32 tons
Cycle Time - Close
1 s

MP332 Tank Shear

Cycle Time - Open
1.9 s
Excavator Minimum
32 tons
Cycle Time - Close
1.3 s

MP324 Shear Jaw

Cycle Time - Open
1.9 s
Excavator Minimum
32 tons
Cycle Time - Close
1.3 s

MP324 Pulverizer Jaw

Cycle Time - Open
1.9 s
Excavator Minimum
32 tons
Cycle Time - Close
1.3 s

MP332 Demolition Jaw

Cycle Time - Open
1.9 s
Excavator Minimum
32 tons
Cycle Time - Close
1.3 s

MP332 Concrete Cutter Jaw

Cycle Time - Open
1.9 s
Excavator Minimum
32 tons
Cycle Time - Close
1.3 s

HM5515 Standard Forestry Mulcher

Motor
Variable Torque Hydraulic Piston Motor
Overall Width
78 in
Drive Method
Poly Chain Belt

H160 GC S Hammer

Impact Energy Class
7500 ft-lb
Blows per Minute
200-450
Maximum Operating Weight
5471.4 lb

H180 GC S Hammer

Impact Energy Class
10750 ft-lb
Blows per Minute
200-400
Maximum Operating Weight
5471.4 lb

GSH440-1550-5

Capacity
2 yd³
Maximum Lift Capacity
22046 lb
Shell Type Options
Semi-open

GSH440-1150-S

Capacity
1.5 yd³
Maximum Lift Capacity
22046 lb
Shell Type Options
Semi-open

GSH455-H-4-1500-S

Capacity
2 yd³
Maximum Lift Capacity
33069 lb
Shell Type Options
Semi-open

GSH455-H-4-2000-S

Capacity
2.5 yd³
Maximum Lift Capacity
33069 lb
Shell Type Options
Semi-open

GSH455-H-4-1000-S

Capacity
1.5 yd³
Maximum Lift Capacity
33069 lb
Shell Type Options
Semi-open

G345 Demolition & Sorting Grapple

Grapple Area
1.31 yd³
Weight
5337 lb
Machine Class
35-65 Ton Excavators

G332 Demolition & Sorting Grapple

Grapple Area
1.18 yd³
Weight
4493 lb
Machine Class
30-40 Ton Excavators

G332 Demolition & Sorting Grapple

Grapple Area
1.11 yd³
Weight
4570 lb
Machine Class
30-40 Ton Excavators

CTV30-1900-BOCE

Capacity
2.5 yd³
Operating Weight
6199 lb
Bolt-on Cutting Edge Included
Yes

CTV30-1900

Capacity
2.5 yd³
Operating Weight
5609 lb
Bolt-on Cutting Edge Included
No

CTV30-1700

Capacity
2.25 yd³
Operating Weight
5476 lb
Bolt-on Cutting Edge Included
No

CTV20-2300-BOCE

Capacity
3 yd³
Operating Weight
5203 lb
Bolt-on Cutting Edge Included
Yes

CTV20-1500-BOCE

Capacity
2 yd³
Operating Weight
4480 lb
Bolt-on Cutting Edge Included
Yes

CTV20-2300

Capacity
3 yd³
Operating Weight
4652 lb
Bolt-on Cutting Edge Included
No

CTV20-1700

Capacity
2.5 yd³
Operating Weight
4319 lb
Bolt-on Cutting Edge Included
No

CTV20-1700

Capacity
2.25 yd³
Operating Weight
4180 lb
Bolt-on Cutting Edge Included
No

CTV20-1500

Capacity
2 yd³
Operating Weight
4045 lb
Bolt-on Cutting Edge Included
No

CTV20-1300

Capacity
1.75 yd³
Operating Weight
3893 lb
Bolt-on Cutting Edge Included
No

S80 S Type Excavator Coupler: 573-3171

Weight
1005 lb
Lifting Hook Capacity
10 ton (US)
Width
23.23 in

S80 S Type Excavator Coupler: 573-3169

Weight
939 lb
Lifting Hook Capacity
10 ton (US)
Width
23.23 in

Pin Grabber Coupler (DB-Linkage): 455-3905

Minimum Carrier Weight
30 ton (US)
Maximum Carrier Weight
40 ton (US)
Weight
1369 lb

Pin Grabber Coupler (DB-Linkage): 389-8070

Minimum Carrier Weight
30 ton (US)
Maximum Carrier Weight
40 ton (US)
Weight
1369 lb

Pin Grabber Coupler (DB-Linkage): 455-3906

Minimum Carrier Weight
30 ton (US)
Maximum Carrier Weight
40 ton (US)
Weight
1369 lb

Pin Grabber Coupler – Narrow Profile (DB-Linkage): 388-9724

Minimum Carrier Weight
30 ton (US)
Maximum Carrier Weight
40 ton (US)
Weight
1376 lb

Hydraulic Connecting S Type Coupler HCS80: 583-0212

Machine Class
24-40
Weight
1027 lb
Height
21.2 in

Hydraulic Connecting S Type Coupler HCS80: 583-0203

Machine Class
24-40
Height
20.2 in
Weight
959 lb

Severe Duty Bucket 900 mm (36 in)

Width
36 in
Capacity
1.24 yd³
Weight
2612 lb

Severe Duty Bucket 1200 mm (48 in)

Width
48 in
Capacity
1.83 yd³
Weight
3104 lb

Severe Duty Bucket 1750 mm (69 in)

Width
69 in
Capacity
3.14 yd³
Weight
974 lb

Severe Duty Bucket 1350 mm (54 in)

Width
54 in
Capacity
1.96 yd³
Weight
3435 lb

Severe Duty Bucket 1500 mm (59 in)

Width
59 in
Capacity
2.5 yd³
Weight
3549 lb

Severe Duty Bucket 1050 mm (42 in)

Width
42 in
Capacity
1.54 yd³
Weight
2826 lb

Severe Duty Bucket 1200 mm (48 in)

Width
48 in
Capacity
1.69 yd³
Weight
3197 lb

Severe Duty Bucket 900 mm (36 in)

Width
36 in
Capacity
1.14 yd³
Weight
2681 lb

Severe Duty Bucket 750 mm (30 in)

Width
30 in
Capacity
0.89 yd³
Weight
2321 lb

Severe Duty Bucket 750 mm (30 in)

Width
30 in
Capacity
0.95 yd³
Weight
2306 lb

Heavy Duty Bucket 1850 mm (72 in)

Width
72 in
Capacity
3.08 yd³
Weight
3882 lb

Heavy Duty Bucket 1650 mm (66 in)

Width
66 in
Capacity
2.52 yd³
Weight
3794 lb

Heavy Duty Bucket 1650 mm (66 in)

Width
66 in
Capacity
2.77 yd³
Weight
3668 lb

Heavy Duty Bucket 1500 mm (60 in)

Width
60 in
Capacity
2.25 yd³
Weight
3521 lb

Heavy Duty Power Bucket 1500 mm (60 in)

Width
60 in
Capacity
2.46 yd³
Weight
3435 lb

Heavy Duty Bucket 1350 mm (54 in)

Width
54 in
Capacity
1.96 yd³
Weight
3250 lb

Heavy Duty Power Bucket 1350 mm (54 in)

Width
54 in
Capacity
2.13 yd³
Weight
3164 lb

Heavy Duty Bucket 1200 mm (48 in)

Width
48 in
Capacity
1.69 yd³
Weight
3025 lb

Heavy Duty Power Bucket 1200 mm (48 in)

Width
48 in
Capacity
1.83 yd³
Weight
2950 lb

Heavy Duty Bucket 1050 mm (42 in)

Width
42 in
Capacity
1.41 yd³
Weight
2769 lb

Heavy Duty Bucket 1050 mm (42 in)

Width
42 in
Capacity
1.54 yd³
Weight
2679 lb

Heavy Duty Bucket 900 mm (36 in)

Width
36 in
Capacity
1.14 yd³
Weight
2542 lb

Heavy Duty Bucket 900 mm (36 in)

Width
36 in
Capacity
1.24 yd³
Weight
2480 lb

Heavy Duty Power Bucket 900 mm (36 in)

Width
36 in
Capacity
1.24 yd³
Weight
2467 lb

Heavy Duty Bucket 750 mm (30 in)

Width
30 in
Capacity
0.95 yd³
Weight
2185 lb

General Duty Bucket 1650 mm (66 in)

Width
66 in
Capacity
3.33 yd³
Weight
3252 lb

General Duty Bucket 1350 mm (54 in)

Width
54 in
Capacity
2.62 yd³
Weight
2842 lb

General Duty Bucket 1200 mm (48 in)

Width
48 in
Capacity
2.26 yd³
Weight
2619 lb

General Duty Bucket 1050 mm (42 in)

Width
42 in
Capacity
1.91 yd³
Weight
2429 lb

General Duty Bucket 900 mm (36 in)

Width
36 in
Capacity
1.56 yd³
Weight
2213 lb

General Duty Bucket 750 mm (30 in)

Width
30 in
Capacity
1.23 yd³
Weight
2039 lb

Extreme Duty Bucket 1550 mm (61 in)

Width
61 in
Capacity
2.59 yd³
Weight
888 lb

Extreme Duty Bucket 1200 mm (48 in)

Width
48 in
Capacity
1.83 yd³
Weight
3419 lb

S3035 Rotating Scrap & Demolition Shear

Weight - Boom Mount
7553 lb
Weight - Stick Mount
7057 lb
Length
137 in

Specifications

Standard/Optional Features

Attachments