The Cat® 340 is evidence of our time-proven engineering and manufacturing know-how for top-notch quality, reliability, and durability. In addition to a powerful engine with millions of hours of service and reinforced booms and sticks for taking on hard and heavy work, the standard, heavy-duty reinforced undercarriage expertly absorbs the stress between jobsite terrain and machine. Built for rugged conditions, this rock-solid machine will help you turn payloads into profit.
Net Power - ISO 9249 346 hp
Operating Weight 83100 lb
Maximum Digging Depth 26.9 ft
Net Power - ISO 9249 (DIN) 351 hp (metric)
Biodiesel Capability Up to B20¹
Bore 5in
Displacement 568in³
Emissions Meets U.S. EPA Tier 4 Final, EU Stage V, and Japan 2014 emission standards.
Engine Model Cat C9.3B
Engine Power - ISO 14396 (DIN) 352hp (metric)
Engine Power - ISO 14396:2002 347hp
Net Power - ISO 9249 346hp
Net Power - ISO 9249 (DIN) 351hp (metric)
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
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
Stroke 6in
Operating Weight 83100lb
Boom Reach 6.5 m (21'4")
Bucket HD 2.36 m³ (3.08 yd³)
Bucket Digging Force - ISO 47190lbf
Maximum Cutting Height 35.3ft
Maximum Depth Cut for 2440 mm (8 ft) Level Bottom 26.5ft
Maximum Digging Depth 26.9ft
Maximum Loading Height 24.5ft
Maximum Reach at Ground Level 38.6ft
Maximum Vertical Wall Digging Depth 21.1ft
Minimum Loading Height 6.2ft
Stick Reach 3.9 m (12'10")
Stick Digging Force - ISO 32480lbf
Main System - Maximum Flow 148gal/min
Maximum Pressure - Equipment 5076psi
Maximum Pressure - Equipment - Lift Mode 5511psi
Maximum Pressure - Swing 4264psi
Maximum Pressure - Travel 5076psi
Maximum Swing Torque 105214ft·lbf
Swing Speed 8.84r/min
Cooling System 10.5gal (US)
DEF Tank 21.1gal (US)
Engine Oil 8.5gal (US)
Final Drive - Each 2.1gal (US)
Fuel Tank Capacity 158.5gal (US)
Hydraulic System - Including Tank 98.5gal (US)
Hydraulic Tank 42.5gal (US)
Swing Drive - Each 4.8gal (US)
Boom Reach 6.5 m (21'4")
Bucket HD 2.36 m³ (3.08 yd³)
Counterweight Clearance 4.2ft
Ground Clearance 1.8ft
Handrail Height 10.5ft
Shipping Height - Top of Cab 10.5ft
Shipping Length 36.8ft
Stick Reach 3.9 m (12'10")
Tail Swing Radius 11.7ft
Track Gauge 9ft
Track Length 16.6ft
Track Length to Center of Rollers 13.3ft
Transport Width - 850 mm (33”) Shoes 11.9ft
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 and optional equipment may vary. Consult your Cat dealer for details.
VisionLink®
Remote Flash
Remote Troubleshoot
Compatibility with radios and base stations from Trimble, Topcon, and Leica
Capability to install 3D grade systems from Trimble, Topcon, and Leica
Cat Grade 2D
Cat Assist
Cat Payload
Auto hammer stop
Work tool recognition (PL161)
Work tool tracking (PL161)
Maintenance-free 1,000 CCA batteries (x2)
Centralized electrical disconnect switch
LED exterior chassis and boom lights
Three selectable modes: Power, Smart, Eco
Auto engine speed control
- 18° C (0° F) cold start capability
Double element air filter with integrated pre-cleaner
Remote disable
Boom and stick regeneration circuit
Electronic main control valve
Auto heavy lift
Auto dig boost
Auto hydraulic oil warmup
Bio hydraulic oil capability
Fine swing
Reverse swing damping valve
Auto swing parking brake
High performance hydraulic return filter
Two speed travel
Cat E-Fence
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 & recessed bolts
RH handrail and handhold
Signaling / warning horn
Ground-level secondary engine shutoff switch
Rearview camera
Inspection Lighting
Integrated vehicle health management system
Grouped location of engine oil & fuel filters
Sampling ports for Scheduled Oil Sampling (S·O·S℠)
Towing eye on base frame
Swivel guard
HD bottom guard
HD travel motor guards
Grease lubricated track
HD swing frame
HD swing bearing
7.56 mt (16,667 lb) counterweight
High-resolution 203 mm (8") LCD touchscreen monitor
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
Heated air-suspension seat
Monitor integrated Bluetooth radio with USB/Aux ports
12V DC outlets
Document storage
Overhead storage and rear storage with nets
Beverage holder
Cup holder
Openable two-piece front window
Rear window emergency exit
Radial wiper with washer
Openable polycarbonate skylight hatch
LED dome light
Floor welcome light
Roof sunscreen
Roller front sunscreen
Washable floor mat
Beacon ready
High-resolution 254 mm (10") LCD touchscreen monitor
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
Heated and ventilated air-suspension seat
Monitor integrated Bluetooth radio with USB/Aux ports
12V DC outlets
Document storage
Overhead storage and rear storage with nets
Beverage holder
Cup holder
Openable two-piece front window
Rear window emergency exit
Parallel wiper
Openable polycarbonate skylight hatch
LED dome light
Floor welcome light
Roof sunscreen
Roller front sunscreen
Washable floor mat
Beacon ready
Standard and optional equipment may vary. Consult your Cat dealer for details.
6.18 m (20'3") Mass boom
6.5 m (21'4") HD Reach boom
2.55 m (8'4") Mass stick
2.8 m (9'2") HD Reach stick
3.2 m (10'6") HD Reach stick
3.9 m (12'10") HD Reach stick
TB family bucket linkage with/without lifting eye
DB family bucket linkage with/without lifting eye
Cat Grade Connectivity
Cat Grade 2D with Attachment Ready Option (ARO)
Cat Grade with 3D single GNSS
Cat Grade with 3D dual GNSS
Cat Tilt Rotator (TRS) Integration
Operator Coaching
Maintenance-free 1,000 CCA batteries (x4)
Oil level sensor
Battery-operated engine heater
Cold start block heater
52°C (126°F) high-ambient cooling
Hydraulic reverse fan
-32°C (-25°F) cold start capability
Single one-way circuit
Combined two-way circuit
Hydraulic efficiency monitoring
Cat Detect - People Detection
Cat Command remote control
Swing alarm
Boom lowering check valve
Stick lowering check valve
Full-length track guiding guards
Segmented two-piece track guiding guards
HD rollers
600 mm (24") double grouser, triple grouser, HD triple grouser track shoes
700 mm (28") triple grouser track shoes
800 mm (31") triple grouser track shoes
850 mm (33") triple grouser track shoes
High-resolution 254 mm (10") LCD touchscreen monitor
Roller rear sunscreen
Cat Stick Steer
Auxiliary relay
One-piece front windshield
Cat Stick Steer
Auxiliary relay
