Cat® 340 Hydraulic Excavator

Cat® 340 Hydraulic Excavator

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)

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Product Specifications

Specifications

Engine

  • 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 347HP

  • Engine Power - ISO 14396 (DIN) 352hp (metric)

  • 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

Weights

  • Operating Weight 83100lb

Working Ranges & Forces

  • 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

Hydraulic System

  • Main System - Maximum Flow 148gal/min

  • Maximum Pressure - Equipment 5076psi

  • Maximum Pressure - Equipment - Lift Mode 5511psi

  • Maximum Pressure - Swing 4264psi

  • Maximum Pressure - Travel 5076psi

Swing Mechanism

  • Maximum Swing Torque 105214ft·lbf

  • Swing Speed 8.84r/min

Service Refill Capacities

  • 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)

Dimensions

  • 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 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.

Features

Equipment

Standard Equipment

  • 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

Optional Equipment

  • 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