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340 Hydraulic Excavator

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Product Description

With up to 10% 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.

Specifications
Us
Metric
Engine
Net Power - ISO 9249
346 HP
258.3 kW
Net Power - ISO 9249 (DIN)
351 hp (metric)
351 hp (metric)
Engine Model
Cat C9.3B
Engine Power - ISO 14396
347 HP
259 kW
Engine Power - ISO 14396 (DIN)
352 hp (metric)
352 hp (metric)
Bore
5 in
115 mm
Stroke
6 in
149 mm
Displacement
568 in³
9.3 l
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 2,000 rpm. Advertised power is tested per the specified standard in effect at the time of manufacture.
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 (hydrotreated vegetable oil) and GTL (gas-to-liquid) fuels. Refer to guidelines for successful application. Please consult your Cat dealer or "Caterpillar Machine Fluids Recommendations" (SEBU6250) for details. *Engines with no aftertreatment devices can use higher blends, up to 100% biodiesel (for use of blends higher than 20% biodiesel, consult your Cat dealer). **Tailpipe greenhouse gas emissions from lower-carbon intensity fuels are essentially the same as traditional fuels.
Hydraulic System
Main System - Maximum Flow
148 gal/min
560 l/min
Maximum Pressure - Equipment
5076 psi
35000 kPa
Maximum Pressure - Equipment - Lift Mode
5511 psi
38000 kPa
Maximum Pressure - Travel
5076 psi
35000 kPa
Maximum Pressure - Swing
4264 psi
29400 kPa
Swing Mechanism
Swing Speed
8.84 r/min
8.84 r/min
Maximum Swing Torque
105214 ft·lbf
143 kN·m
Weights
Operating Weight
83100 lb
37700 kg
Service Refill Capacities
Fuel Tank Capacity
158.5 gal (US)
600 l
Cooling System
10.5 gal (US)
40 l
Engine Oil
8.5 gal (US)
32 l
Swing Drive - Each
4.8 gal (US)
18 l
Final Drive - Each
2.1 gal (US)
8 l
Hydraulic System - Including Tank
98.5 gal (US)
373 l
Hydraulic Tank
42.5 gal (US)
161 l
DEF Tank
21.1 gal (US)
80 l
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
10.5 ft
3180 mm
Handrail Height
10.5 ft
3180 mm
Shipping Length
36.8 ft
11180 mm
Tail Swing Radius
11.7 ft
3530 mm
Counterweight Clearance
4.2 ft
1260 mm
Ground Clearance
1.8 ft
510 mm
Track Length
16.6 ft
5030 mm
Track Length to Center of Rollers
13.3 ft
4040 mm
Track Gauge
9 ft
2740 mm
Transport Width - 850 mm (33”) Shoes
11.9 ft
3590 mm
Working Ranges & Forces
Maximum Digging Depth
26.9 ft
8210 mm
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
38.6 ft
11760 mm
Maximum Cutting Height
35.3 ft
10740 mm
Maximum Loading Height
24.5 ft
7470 mm
Minimum Loading Height
6.2 ft
1890 mm
Maximum Depth Cut for 2440 mm (8 ft) Level Bottom
26.5 ft
8080 mm
Maximum Vertical Wall Digging Depth
21.1 ft
6420 mm
Bucket Digging Force - ISO
47190 lbf
210 kN
Stick Digging Force - ISO
32480 lbf
145 kN
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 1.00 kg of refrigerant, which has a CO2 equivalent of 1.430 metric tonnes.
Standard/Optional

Standard Equipment

NOTE
CAT TECHNOLOGY
ELECTRICAL SYSTEM
ENGINE
HYDRAULIC SYSTEM
SAFETY AND SECURITY
SERVICE AND MAINTENANCE
UNDERCARRIAGE AND STRUCTURES
DELUXE CAB
PREMIUM CAB

Optional Equipment

NOTE
BOOMS AND STICKS
CAT TECHNOLOGY
ELECTRICAL SYSTEM
ENGINE
HYDRAULIC SYSTEM
SAFETY AND SECURITY
UNDERCARRIAGE AND STRUCTURES
DELUXE CAB
PREMIUM CAB

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