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Caterpillar 340 UHD Demolition Excavator for High-Rise Projects - Top Suppliers in China and Factory Direct
Benefits
The Caterpillar 340 UHD demolition excavator is a specialized heavy-duty machine designed for high-rise building demolition, industrial structure removal and urban renewal projects. It offers exceptional reach and stability for safe, efficient demolition work.
- Ultra-high demolition boom enables safe operation at great heights. The extended boom and reinforced structure allow operators to work safely at height, reducing the risk of falling debris and improving overall project safety.
- Powerful hydraulic system delivers precise control for complex demolition tasks. The responsive hydraulic system ensures smooth and accurate movement, making it easier to handle delicate demolition operations in dense urban areas.
- Reinforced structure withstands heavy impact and harsh working conditions. The heavy-duty undercarriage and reinforced components provide durability, allowing the machine to work reliably in tough demolition environments.
- We supply genuine Caterpillar 340 UHD demolition excavator with full certification, fast global shipping and professional technical support for demolition projects.
Features At A Glance
Latest Features
Performance Powerhouse
Boost Efficiency And Productivity
Reliable In Tough Conditions
Simple To Operate
Work in Comfort
Easy to Maintence
Dedicated Service And Superior Support
Safe Home Every Day
Attachments
Sustainability
Specifications
| Weights | |
| Operating Weight | 55400 kg |
| Note (1) | Hydraulic Variable Gauge undercarriage, 25 m (82'0") UHD front, 600 mm (24") triple grouser shoes and 9 mt (19,842 lb) counterweight. No work tool. |
| Machine Weight - Retrofit Configuration | 53900 kg |
| Note (2) | Hydraulic Variable Gauge undercarriage, Retrofit boom, R3.9 m DB (12'10") stick, HD 1.88 m³ (2.46 yd³) bucket, 600 mm (24") triple grouser shoes, 9 mt (19,842 lb) counterweight. |
| UHD in Cradle | 9230 kg |
| Retrofit Boom in Cradle - R3.2 DB Stick | 6050 kg |
| Retrofit Boom in Cradle - R3.9 DB Stick | 6220 kg |
| 2-Piece Retrofit Boom in Cradle - R3.2 DB Stick | 7910 kg |
| Working Ranges and Forces | |
| Maximum Pin Height at Stick Nose | 25 m |
| Maximum Weight at Stick Nose | 3300 kg |
| Maximum Working Pin Height at Stick Nose - 1/2 | 21270 mm |
| Maximum Working Reach at Stick Nose - 1/2 | 13020 mm |
| Maximum Height at Stick Nose in Max Reach Position | 15900 mm |
| Maximum Reach at Stick Nose | 13330 mm |
| Note (1) | 25 m (82' 0") UHD Front (Over-the-Front) |
| Engine | |
| Engine Model | Cat C9.3B |
| Net Power - ISO 9249 | 258.3 kW |
| Net Power - ISO 9249 (DIN) | 351 hp (metric) |
| Engine Power - ISO 14396 | 259 kW |
| Engine Power - ISO 14396 (DIN) | 352 hp (metric) |
| Bore | 115 mm |
| Stroke | 149 mm |
| Displacement | 9.3 l |
| Biodiesel Capability | Up to B20¹ |
| Emissions | Emits equivalent to U.S. EPA Tier 3 and EU Stage IIIA. |
| 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 engines are compatible with diesel fuel blended with the following lower-carbon intensity fuels** up to: 100% 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. *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 | 560 l/min (148 gal/min) |
| Maximum Pressure - Equipment | 35000 kPa |
| Maximum Pressure - Equipment - Lift Mode | 38000 kPa |
| Maximum Pressure - Travel | 35000 kPa |
| Maximum Pressure - Swing | 29400 kPa |
| Swing Mechanism - UHD Fronts | |
| Swing Speed | 5.02 r/min |
| Swing Mechanism | |
| Swing Speed | 8.84 r/min |
| Maximum Swing Torque | 143 kN·m |
| Service Refill Capacities | |
| Fuel Tank Capacity | 600 l |
| Cooling System | 40 l |
| Engine Oil | 32 l |
| Swing Drive | 18 l |
| Final Drive - Each | 8 l |
| Hydraulic System - Including Tank | 550 l |
| Hydraulic Tank | 161 l |
| Dimensions | |
| Note (1) | 25 m (82'0") UHD Front |
| Shipping Height - Top of Cab | 3383 mm |
| Cab Height - With OPG | 3585 mm |
| Shipping Length | 18160 mm |
| Tail Swing Radius | 3521 mm |
| Counterweight Clearance | 1397 mm |
| Ground Clearance | 510 mm |
| Track Length | 5770 mm |
| Track Length to Center of Rollers | 4770 mm |
| Shipping Gauge - Retracted Position | 2400 mm |
| Working Gauge - Extended Position | 3400 mm |
| Transport Width | 3255 mm |
| Machine Length - without Front, with Counterweight | 7077 mm |
| Machine Length - without Front and Counterweight | 6954 mm |
| Track Width - Extended | 4000 mm |
| Track Width - Retracted | 3000 mm |
| Note (2) | 600 mm (24") Track Shoes |
| Working Ranges and Forces - Retrofit Boom - Straight | |
| Note 1 | Straight - R3.9DB m (12' 10") stick (Over-the-Front) |
| Bucket | HD 1.88 m³ (2.46 yd³) |
| Maximum Pin Height at Stick Nose | 12.76 m |
| Maximum Weight at Stick Nose | 4200 kg |
| Maximum Height at Stick Nose in Max Reach Position | 2310 mm |
| Maximum Reach at Stick Nose | 11320 mm |
| Maximum Digging Depth | 5640 mm |
| Maximum Reach - Ground Level | 12910 mm |
| Maximum Cutting Height | 14540 mm |
| Maximum Loading Height | 10960 mm |
| Minimum Loading Height | 4110 mm |
| Bucket Digging Force - ISO | 210 kN |
| Stick Digging Force - ISO | 144 kN |
| Working Ranges and Forces - Retrofit Boom - Bent | |
| Note 1 | Bent - R3.9DB m (12' 10") stick |
| Bucket | HD 1.88 m³ (2.46 yd³) |
| Maximum Digging Depth | 7250 mm |
| Maximum Reach - Ground Level | 11920 mm |
| Maximum Cutting Height | 11180 mm |
| Maximum Loading Height | 7940 mm |
| Minimum Loading Height | 2440 mm |
| Bucket Digging Force - ISO | 210 kN |
| Stick Digging Force - ISO | 144 kN |
| Air Conditioning System | |
| 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 contains 1.000 kg (2.205lb.) of refrigerant, which has a CO2 equivalent of 1.430 metric tonnes (1.576 tons). – If equipped with R1234yf (Global Warming Potential = 0.501), the system contains 0.790 kg (1.742 lb.) of refrigerant, which has a CO2 equivalent of 0.001 metric tonnes (0.001 tons). |
Frequently Asked Questions
What is the operating weight of the Caterpillar 340 UHD demolition excavator?
The Caterpillar 340 UHD demolition excavator has an operating weight of 55,400 kg with the UHD front configuration, including the hydraulic variable gauge undercarriage, 25 m UHD front, 600 mm triple grouser shoes, and 9 mt counterweight (no work tool).
What is the maximum working height of the Cat 340 UHD?
The Cat 340 UHD features a 25 m (82'0") UHD front, with a maximum pin height at stick nose of 25 m and a maximum working pin height of 21,270 mm, making it ideal for high-rise building demolition and industrial structure removal at great heights.
What engine powers the Caterpillar 340 UHD excavator?
The Caterpillar 340 UHD is powered by a Cat C9.3B engine, delivering a net power of 258.3 kW (351 hp metric) per ISO 9249. The engine operates at 1,900 rpm and meets U.S. EPA Tier 3 and EU Stage IIIA emissions standards. It also supports biodiesel blends up to B20.
What is the maximum hydraulic system pressure of the Cat 340 UHD?
The Cat 340 UHD hydraulic system provides a main system maximum flow of 560 l/min. The maximum equipment pressure is 35,000 kPa (38,000 kPa in Lift Mode), maximum travel pressure is 35,000 kPa, and maximum swing pressure is 29,400 kPa, ensuring precise and powerful control for complex demolition tasks.
Can the Caterpillar 340 UHD be configured for standard excavation work as well?
Yes. The Cat 340 UHD features a versatile Retrofit Boom configuration available in both Straight and Bent configurations with a R3.9 DB stick. In the Straight configuration, the machine achieves a maximum digging depth of 5,640 mm, maximum reach at ground level of 12,910 mm, and bucket digging force of 210 kN, making it suitable for a range of excavation applications beyond high-rise demolition.
Do you offer genuine Cat 340 UHD excavators with certification and global shipping?
Yes. We supply genuine Caterpillar 340 UHD demolition excavators with full certification, fast global shipping, and professional technical support. Our team is ready to assist with your demolition project requirements, from machine selection to after-sales service.