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340 UHD Ultra High Demolition Hydraulic Excavator

340 UHD

Ultra High Demolition Hydraulic Excavator

Price: Request a Quote for Pricing

The Cat® 340 UHD provides optimum machine solutions for building demolition up to 8 stories. With its unique coupling system, you can switch between two lengths of Ultra High Demolition fronts and two types of Retrofit booms and sticks with no special tools in 15 minutes. You simply won’t find a better 50-ton class choice for demolition..

Key Specs
Operating Weight 122600 lb
Maximum Pin Height at Stick Nose 72.2 ft
Maximum Weight at Stick Nose 8160 lb
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Product Specifications for 340 UHD

Operating Weight 122600 lb
Note (1) Hydraulic Variable Gauge undercarriage, 25 m (72’2″) UHD front, 600 mm (24″) Heavy Duty (HD) triple grouser shoes and 9.0 mt (19,842 lb) counterweight. No work tool.
Machine Weight – Retrofit Configuration 118600 lb
Note (2) Hydraulic Variable Gauge undercarriage, Retrofit boom, R3.2DB (10’6″) stick, General Duty (GD) 2.27 m³ (2.97 yd³) bucket, 600 mm (24″) HD triple grouser shoes and 9.0 mt (19,842 lb) counterweight.
UHD in Cradle 18700 lb
Retrofit Boom in Cradle – R3.9 DB Stick 13710 lb
Retrofit Boom in Cradle – R3.2 DB Stick 13340 lb
Retrofit Boom in Cradle – R2.8 DB Stick 13120 lb
2-Piece Retrofit Boom in Cradle – R3.2 DB Stick 17440 lb
Maximum Pin Height at Stick Nose 72.2 ft
Maximum Weight at Stick Nose 8160 lb
Maximum Working Pin Height at Stick Nose – 1/2 61 ft
Maximum Working Reach at Stick Nose – 1/2 38.4 ft
Maximum Height at Stick Nose in Max Reach Position 41.5 ft
Maximum Reach at Stick Nose 44.4 ft
Note (1) 22 m (72′ 2″) UHD Front (Over-the-Front)
Engine Model Cat C9.3B
Net Power – ISO 9249 346 hp
Net Power – ISO 9249 (DIN) 351 hp (metric)
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
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 5076 psi
Maximum Pressure – Equipment – Lift Mode 5511 psi
Maximum Pressure – Travel 5076 psi
Maximum Pressure – Swing 4264 psi
Swing Speed 4.09 r/min
Swing Speed 8 r/min
Maximum Swing Torque 105000 lbf·ft
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 145.3 gal (US)
Hydraulic Tank 42.5 gal (US)
DEF Tank 21.1 gal (US)
Note (1) 22 m (72’2″) UHD Front
Shipping Height – Top of Cab 11.1 ft
Cab Height – With OPG 11.8 ft
Shipping Length 49.8 ft
Tail Swing Radius 11.6 ft
Counterweight Clearance 4.6 ft
Ground Clearance 1.7 ft
Track Length 18.9 ft
Track Length to Center of Rollers 15.7 ft
Working Gauge – Extended Position 11.2 ft
Shipping Gauge – Retracted Position 7.8 ft
Transport Width 10.7 ft
Machine Length – without Front, with Counterweight 23.3 ft
Machine Length – without Front and Counterweight 22.8 ft
Track Width – Extended 13.1 ft
Track Width – Retracted 9.8 ft
Note (2) 600 mm (24″) Track Shoes
Note 1 Straight – R3.2DB m (10′ 6″) Stick (Over-the-Front) – HVG Undercarriage
Bucket GD 2.27 m³ (2.97 yd³)
Maximum Pin Height at Stick Nose 39.8 ft
Maximum Weight at Stick Nose 9260 lb
Maximum Height at Stick Nose in Max Reach Position 7.6 ft
Maximum Reach at Stick Nose 34.8 ft
Maximum Digging Depth 16.1 ft
Maximum Reach – Ground Level 39.9 ft
Maximum Loading Height 34 ft
Minimum Loading Height 15.8 ft
Bucket Digging Force – ISO 47160 lbf
Stick Digging Force – ISO 37300 lbf
Note 1 Bent – R3.2DB (10’6″) Stick – HVG Undercarriage
Bucket GD 2.27 m³ (2.97 yd³)
Maximum Digging Depth 21.4 ft
Maximum Reach – Ground Level 36.7 ft
Maximum Cutting Height 35.4 ft
Maximum Loading Height 24.9 ft
Minimum Loading Height 10.4 ft
Bucket Digging Force – ISO 47160 lbf
Stick Digging Force – ISO 37300 lbf
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.
Tilt-up demolition cab with P5A laminated front and roof glass
High-resolution 254 mm (10") LCD touchscreen monitor
Heated and cooled seat with automatic adjustable suspension
Bluetooth® integrated radio
Auto bi-level air conditioner
Jog dial and shortcut keys for monitor control
Keyless push-to-start engine control
Height-adjustable console
Tilt-up left-side console
Cat Stick Steer
Auxiliary relay
Tilt rocker switch
Sky wiper switch
LED interior lights
Roller front sunscreen
P5A fixed windshield
VisionLink™
Remote Flash
Cat Grade with 2D
Cat Payload
Maintenance-free 1,000 CCA batteries (x 4)
Centralized electrical disconnect switch
LED lights – 1,800 lumens
Three selectable modes: Power, Smart, ECO
Auto engine speed control
Up to 4500 m (14,760 ft) altitude capability
Reversing fan
52° C (126° F) high-ambient cooling
-18° C (0° F) cold start capability
Double element air filter with integrated pre-cleaner
Boom lowering check valve
Stick lower check valve
Electronic main control valve
Heavy lift mode
Auto hydraulic oil warmup
Auto swing parking brake
High performance hydraulic return filter
Two-speed travel
2D E-Fence (swing)
Caterpillar One Key security system
Lockable external tool/storage box
Lockable door, fuel, and hydraulic tanks
Lockable fuel drain compartment
Lockable disconnect switch
Service platform with anti-skid plate
Rear and right-hand side cameras
Operator Protective Guards (OPG)
Integrated vehicle health management system
Grouped location of engine oil and fuel filters
Scheduled Oil Sampling (S·O·S℠) ports
Electric refueling pump with auto shutoff
9.0 mt (19,842 lb) counterweight
Full-length track guiding guards
Travel motor guard
Bottom guard
Standard and optional equipment may vary. Consult your Cat dealer for details.
22 m (72'2") UHD front
25 m (82'0") UHD front
Two-piece Retrofit Variable Adjustment boom
7.4 m (24'3") Retrofit boom
3.9 m (12'10") Retrofit stick (Europe, North America only)
3.2 m (10'6") Retrofit stick
2.8 m (9'2") Retrofit stick (Europe, North America only)
Advanced tool control, UHD
Bucket linkage, DB family
Bucket linkage, Dedicated, C family
Roller rear sunscreen
Operator Coaching (VisionLink subscription required)
Cat Advanced Payload
-32° C (-25° F) cold start capability
Cold start block heaters
Ether starting aid
SmartBoom™ with BLCV and Overload Warning Device for UHD front (Europe only)
Bio hydraulic oil capability
Combined two-way auxiliary circuits
High and medium-pressure auxiliary circuits
Quick coupler circuit
360° visibility
QuickEvac™ maintenance ready
Hydraulic Variable Gauge undercarriage
Fixed Gauge undercarriage
600 mm (24 in) double grouser track shoes
600 mm (24 in) HD triple grouser track shoes
700 mm (28 in) triple grouser track shoes
700 mm (28") HD triple grouser track shoes