Cat® 345 hydraulic trackhoe excavators bring premium power, performance, control, digging, trenching, and heavy lifting capacity to your large scale projects.
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Large Excavators 345 - Tier 3

Cat® 345 Hydraulic Excavator

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Key Specs

Net Power - ISO 9249
346 hp
258 kW
Operating Weight
93000 lb
42200 kg
Maximum Digging Depth
23.6 ft
7200 mm

Overview

Reliable. Comfortable. Productive.

The Cat® 345 is a multitasking master that offers a balance of dependable production, operator-oriented features, and low owning and operating costs. Equipped with the reliable Cat C9.3B 258kW engine and two power modes to help manage fuel consumption for specific applications such as truck loading and trenching, this machine is compatible with multiple Cat attachments and a smart choice for operations where consistency and performance are priorities.

Benefits

Work Smart

Smart Mode automatically adjusts power to help operators achieve the highest fuel efficiency – less power for tasks such as swinging and more power for digging.

Latest Cab Helps Take the Hard Out of Work

Excavators typically work on rugged and challenging sites. The 345's cab safety and convenience features help protect operators from fatigue, stresses, sounds, and temperatures on the job.  

Save Time and Money

Cat® Next Generation Excavators share common parts, extended and synchronized service intervals, exceptional customer service, and superior product support.

Product Specifications for 345 - Tier 3

Net Power - ISO 9249 346 hp 258 kW
Engine Model Cat C9.3 Cat C9.3
Engine Power - ISO 14396 347 hp 259 kW
Bore 5 in 115 mm
Stroke 6 in 149 mm
Displacement 568 in³ 9.3 l
Operating Weight 93000 lb 42200 kg
Maximum Digging Depth 23.6 ft 7200 mm
Boom Reach 6.9m (22.8"") Reach 6.9m (22.8"")
Stick R2.9TB (9'6"") R2.9TB (9'6"")
Bucket HD 2.41 m³ (3.15 yd³) HD 2.41 m³ (3.15 yd³)
Maximum Reach at Ground Level 37 ft 11290 mm
Maximum Cutting Height 34.6 ft 10540 mm
Maximum Loading Height 23.7 ft 7210 mm
Minimum Loading Height 10.3 ft 3130 mm
Maximum Depth Cut for 2440 mm (8 ft) Level Bottom 23 ft 7040 mm
Maximum Vertical Wall Digging Depth 17.7 ft 5390 mm
Bucket Digging Force - ISO 52860 lbf 235 kN
Stick Digging Force - ISO 40530 lbf 198 kN
Main System - Maximum Flow 630 l/min (166 gal/min) 630 l/min (166 gal/min)
Maximum Pressure - Equipment 5076 psi 35000 kPa
Maximum Pressure - Travel 5076 psi 35000 kPa
Maximum Pressure - Swing 4061 psi 28000 kPa
Swing Speed 8.27 r/min 8.27 r/min
Maximum Swing Torque 114543 ft·lbf 155 kN·m
Fuel Tank Capacity 158.5 gal (US) 600 l
Cooling System 10.5 gal (US) 40 l
Engine Oil 8.5 gal (US) 32 l
Swing Drive 3.6 gal (US) 13.5 l
Final Drive - Each 2.1 gal (US) 8 l
Hydraulic System - Including Tank 111.7 gal (US) 423 l
Hydraulic Tank 49.1 gal (US) 186 l
Boom Reach 6.9m (22.8"") Reach 6.9m (22.8"")
Stick R2.9TB (9'6"") R2.9TB (9'6"")
Bucket HD 2.41 m³ (3.15 yd³) HD 2.41 m³ (3.15 yd³)
Shipping Height - Top of Cab 10.6 ft 3230 mm
Handrail Height 11.1 ft 3370 mm
Shipping Length 38.1 ft 11620 mm
Tail Swing Radius 11.6 ft 3530 mm
Counterweight Clearance 4.3 ft 1300 mm
Ground Clearance 1.7 ft 520 mm
Track Length 16.5 ft 5030 mm
Track Length to Center of Rollers 13.3 ft 4040 mm
Track Gauge 9 ft 2740 mm
Transport Width 11 ft 3340 mm

345 - Tier 3 Standard Equipment

NOTE

  • Standard and optional equipment may vary. Consult your Cat dealer for details.

CAB

  • ROPS, standard sound suppression
  • High-resolution 203 mm (8") LCD touch screen monitor
  • Heated air-suspension seat

ENGINE

  • Three selectable modes: Power, Smart, Eco
  • Auto engine speed control
  • Up to 3300 m (10,830 ft) altitude capability
  • 52° C (126° F) high-ambient cooling capacity 
  • -18° C (0° F) cold start capability
  • Double element air filter with integrated precleaner
  • Biodiesel capability up to B20

HYDRAULIC SYSTEM

  • Boom and stick regeneration circuit
  • Electronic main control valve
  • Auto hydraulic oil warm up
  • Reverse swing damping valve
  • Auto swing parking brake
  • High performance hydraulic return filter
  • Two speed travel
  • Bio hydraulic oil capability
  • Long undercarriage

UNDERCARRIAGE AND STRUCTURES

  • Towing eye on baseframe (ISO 15818 Compliant)
  • 9 mt (19, 842 lb) counterweight

ELECTRICAL SYSTEM

  • Maintenance-free 1000 CCA batteries (x2)
  • Centralized electrical disconnect switch
  • LED chassis light, right and left hand boom lights, cab lights

CAT TECHNOLOGY

  • Cat Product Link
  • Auto hammer stop

SERVICE AND MAINTENANCE

  • Grouped location of engine oil & fuel filters
  • Scheduled Oil Sampling (S.O.S) sampling ports

SAFETY AND SECURITY

  • Caterpillar One Key security system
  • Lockable external tool / storage box
  • Lockable door, fuel, and hydraulic tank locks
  • Lockable fuel drain compartment
  • Service platform with anti-skid plate & recessed bolts
  • Right hand handrail & hand hold (ISO 2867 Compliant)
  • Signaling / warning horn
  • Standard visibility mirror package
  • Ground-level secondary engine shutoff switch
  • Rearview camera and right-hand-side mirror

345 - Tier 3 Optional Equipment

NOTE

  • Standard and optional equipment may vary. Consult your Cat dealer for details.

CAB

  • Operator Protective Guards (OPG)

ENGINE

  • Cold start block heaters
  • -32° C (-25° F) cold start capability

HYDRAULIC SYSTEM

  • Fine swing
  • Combined two-way auxiliary-circuit
  • Combined two-way auxiliary-circuit with hammer return filter

UNDERCARRIAGE AND STRUCTURES

  • 600mm (24") double grouser track shoes
  • 600mm (24") HD triple grouser track shoes
  • 600mm (24") triple grouser track shoes
  • 700mm (28") triple grouser track shoes

BOOMS AND STICKS

  • 6.55 (21'6") Mass boom
  • 6.9m (22'8") Reach boom
  • 2.55 (8'4") Mass stick
  • 2.9m (9'6") Reach stick
  • 3.0m (9'10") Mass stick
  • 3.35m (11') Reach stick
  • 3.35m (11') HD Reach stick

SERVICE AND MAINTENANCE

  • Electric refueling pump with auto shutoff

See how 345 - Tier 3 compares against frequently compared products.

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