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The Cat® 340 excavator delivers efficiency in all applications. Simple-to-use technologies like Cat Grade with 2D, Grade Assist, Payload, and E-Fence all come standard from the factory to boost your operator efficiencies up to 45%. Combine these with an ergonomic cab, longer maintenance intervals that lower your maintenance costs up to 15%, and a power system that that improves fuel efficiency up to 15% and you have a low-cost-per-unit-of-production excavator capable of taking on your toughest work.
Not all features available in all regions. Consult your Cat dealer for specific configurations available in your region.
| Net Power - ISO 9249 | 346 HP |
| Net Power - ISO 9249 (DIN) | 351 hp (metric) |
| Engine Model | C9.3B |
| Engine Power - ISO 14396 | 347 HP |
| Engine Power - ISO 14396 (DIN) | 352 hp (metric) |
| Bore | 5 in |
| Stroke | 6 in |
| Displacement | 568 in³ |
| 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 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. |
| Main System - Maximum Flow | 560 l/min (148 gal/min) |
| Maximum Pressure - Equipment | 5076 psi |
| Maximum Pressure - Equipment - Lift Mode | 5511 psi |
| Maximum Pressure - Travel | 5076 psi |
| Maximum Pressure - Swing | 4264 psi |
| Maximum Swing Torque | 105471 ft·lbf |
| Operating Weight | 96500 lb |
| Note | Heavy Duty High Wide undercarriage LRE boom, LRE7.1B1 (23'4") stick, General Duty (GD) 0.95 m³ (1.24 yd³) bucket, 850 mm (33") triple grouser shoes, and 10.35 mt (22,800 lb) counterweight. |
| Fuel Tank Capacity | 158.5 gal (US) |
| Cooling System | 10.5 gal (US) |
| Engine Oil | 8.5 gal (US) |
| Swing Drive | 4.8 gal (US) |
| Final Drive - Each | 2.1 gal (US) |
| Hydraulic System - Including Tank | 98.5 gal (US) |
| Hydraulic Tank | 42.5 gal (US) |
| DEF Tank | 21.1 gal (US) |
| Boom | LRE Boom 10.6 m (34'9") |
| Stick | LRE Stick 7.1 m (23'4") |
| Bucket | GD 0.95 m³ (1.24 yd³) |
| Shipping Height - Top of Cab | 11.2 ft |
| Handrail Height | 11.1 ft |
| Shipping Length | 50.2 ft |
| Tail Swing Radius | 11.6 ft |
| Counterweight Clearance | 4.8 ft |
| Ground Clearance | 2.4 ft |
| Track Length | 15.5 ft |
| Track Length to Center of Rollers | 13.3 ft |
| Track Gauge | 9.6 ft |
| Transport Width | 12.4 ft |
| Maximum Digging Depth | 42.8 ft |
| Boom | LRE Boom 10.6 m (34'9") |
| Stick | LRE Stick 7.1 m (23'4") |
| Bucket | GD 0.95 m³ (1.24 yd³) |
| Maximum Reach at Ground Level | 59.3 ft |
| Maximum Cutting Height | 51.2 ft |
| Maximum Loading Height | 41.9 ft |
| Minimum Loading Height | 10.5 ft |
| Maximum Depth Cut for 2440 mm (8 ft) Level Bottom | 35 ft |
| Bucket Digging Force - ISO | 31590 lbf |
| Stick Digging Force - ISO | 20750 lbf |
| 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). |
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