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Piscataway Campus 732-885-5555
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On Highway Specials 20262026 RSVPSnow Blowers

Cat® 340 Straight Boom Excavator

Cat® 340 Straight Boom Excavator

Operating Weight87800 lb
Note (1)Long Narrow undercarriage, Straight boom, R3.2DB (10’6″) stick, GD 2.27 m³ (2.97 yd³) bucket, 600 mm (24″) triple grouser shoes, and 9.0 mt (19,800 lb) counterweight.
Maximum Pin Height at Stick Nose39.4 ft
Maximum Weight at Stick Nose9170 lb
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Learn more about our Cat® 340 Straight Boom Excavator

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

Operating Weight
87800lb
Note (1)
Long Narrow undercarriage, Straight boom, R3.2DB (10'6") stick, GD 2.27 m³ (2.97 yd³) bucket, 600 mm (24") triple grouser shoes, and 9.0 mt (19,800 lb) counterweight.
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
33.7ft
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 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) and are compatible* with ULSD blended with the following lower-carbon intensity fuels** up to: 20% biodiesel FAME (fatty acid methyl ester)*** 100%
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 Speed
8.84r/min
Maximum Swing Torque
10741lbf·ft
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)
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
11.4ft
Shipping Length
37.3ft
Tail Swing Radius
11.6ft
Counterweight Clearance
4.2ft
Ground Clearance
1.7ft
Track Length
16.5ft
Track Length to Center of Rollers
13.3ft
Track Gauge
8.5ft
Transport Width
10.8ft
Air Conditioning
The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a or R1234yf. See the label or instruction manual for identification of the gas. If equipped with R134a (Global Warming Potential = 1430), the system conta
Standard and optional equipment may vary. Consult your Cat dealer for details.
6.9 m (22'8") Straight boom
ROPS, advanced sound suppression
High-resolution 254 mm (10") LCD touch screen monitor
Heated seat with air-adjustable suspension
VisionLink™
Remote Flash
Remote Troubleshoot
Cat Grade with 2D
Cat Payload
Maintenance-free 1,000 CCA batteries (x2)
Centralized electrical disconnect switch
LED chassis light
Three selectable modes: Power, Smart, Eco
Auto engine speed control
3300 m (10,830 ft) altitude capability
52° C (126° F) high-ambient cooling capacity
-18° C (0° F) cold start capability
Double element air filter with integrated pre-cleaner
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
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)
Grouped location of engine oil & fuel filters
Sampling ports for Scheduled Oil Sampling (S·O·S℠)
Integrated vehicle health management system
Towing eye on base frame
9.0 mt (19,842 lb) counterweight
Standard and optional equipment may vary. Consult your Cat dealer for details.
3.2 m (10'6") Reach stick
3.9 m (12'10") Reach stick
Cat Grade 2D with Attachment Ready Option (ARO)
Cat Grade with 3D (single or dual GNSS)
Premium surround lighting package
Cold start block heaters
Hydraulic reversing fan
-32° C (-25° F) cold start capability
SmartBoom™ (Europe only)
Combined two-way auxiliary circuit with direct return filter
Medium-pressure auxiliary circuit
Quick coupler circuit for Cat Pin Grabber and CW Dedicated
Cat Command (remote control)
Travel alarm (standard in North America)
Swing alarm
360° visibility
Preventative maintenance ready (Quick Evac™)
Electric refueling pump with auto shutoff (Europe only)
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

MP332 Universal Jaw

MP332 Tank Shear

MP324 Shear Jaw

MP324 Pulverizer Jaw

MP332 Demolition Jaw

MP332 Concrete Cutter Jaw

H180 S Hammer

H160 S Hammer

H140 S Hammer

H180 GC S Hammer

H160 GC S Hammer

CVP110
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