406

Cat® 345 Excavator | 45 Ton Excavator | Digger

The Cat® 345 GC is a reliable, low-cost-per-hour excavator. It's up to 25 percent more fuel efficient with up to 30 percent less maintenance cost than its comparative model*. Add in a quiet and comfortable ROPS cab, easy-to-use controls, and several Cat attachment options and you have a fine machine capable of meeting your various job requirements.

*Compared to 349D2 Tier 3

Not all features available in all regions. Consult your Cat dealer for specific configurations available in your region.

  • Specifications

  • Standard/Optional Equipment

  • 360° Tours

  • Catalog

Engine

Net Power - ISO 9249

346hp

Engine Model

Cat C9.3

Engine Power - ISO 14396

347hp

Bore

5in

Stroke

6in

Displacement

568in³

Hydraulic System

Main System - Maximum Flow

630 l/min (166 gal/min)

Maximum Pressure - Equipment

5076psi

Maximum Pressure - Travel

5076psi

Maximum Pressure - Swing

4061psi

Swing Mechanism

Swing Speed

8.27r/min

Maximum Swing Torque

114543ft·lbf

Weights

Operating Weight

93000lb

Service Refill Capacities

Fuel Tank Capacity

158.5gal (US)

Cooling System

10.5gal (US)

Engine Oil

8.5gal (US)

Swing Drive

3.6gal (US)

Final Drive - Each

2.1gal (US)

Hydraulic System - Including Tank

111.7gal (US)

Hydraulic Tank

49.1gal (US)

Dimensions

Boom

Reach 6.9m (22.8"")

Stick

R2.9TB (9'6"")

Bucket

HD 2.41 m³ (3.15 yd³)

Shipping Height - Top of Cab

10.6ft

Handrail Height

11.1ft

Shipping Length

38.1ft

Tail Swing Radius

11.6ft

Counterweight Clearance

4.3ft

Ground Clearance

1.7ft

Track Length

16.5ft

Track Length to Center of Rollers

13.3ft

Track Gauge

9ft

Transport Width

11ft

Working Ranges and Forces

Maximum Digging Depth

23.6ft

Boom

Reach 6.9m (22.8"")

Stick

R2.9TB (9'6"")

Bucket

HD 2.41 m³ (3.15 yd³)

Maximum Reach at Ground Level

37ft

Maximum Cutting Height

34.6ft

Maximum Loading Height

23.7ft

Minimum Loading Height

10.3ft

Maximum Depth Cut for 2440 mm (8 ft) Level Bottom

23ft

Maximum Vertical Wall Digging Depth

17.7ft

Bucket Digging Force - ISO

52860lbf

Stick Digging Force - ISO

40530lbf

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

Mechanically adjustable seat

ENGINE

Two selectable modes: Power, Smart

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

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

Mechanically adjustable seat

ENGINE

Two selectable modes: Power, Smart

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

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

Mechanically adjustable seat

ENGINE

Two selectable modes: Power, Smart

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

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

Mechanically adjustable seat

ENGINE

Two selectable modes: Power, Smart

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

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

Mechanically adjustable seat

ENGINE

Two selectable modes: Power, Smart

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

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

Mechanically adjustable seat

ENGINE

Two selectable modes: Power, Smart

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

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

Mechanically adjustable seat

ENGINE

Two selectable modes: Power, Smart

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

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

Mechanically adjustable seat

ENGINE

Two selectable modes: Power, Smart

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

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

Mechanically adjustable seat

ENGINE

Two selectable modes: Power, Smart

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

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

2.9m (9'6") HD Reach stick

3.0m (9'10") Mass stick

3.35m (11') Reach stick

3.35m (11') HD Reach stick

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

2.9m (9'6") HD Reach stick

3.0m (9'10") Mass stick

3.35m (11') Reach stick

3.35m (11') HD Reach stick

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

2.9m (9'6") HD Reach stick

3.0m (9'10") Mass stick

3.35m (11') Reach stick

3.35m (11') HD Reach stick

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

2.9m (9'6") HD Reach stick

3.0m (9'10") Mass stick

3.35m (11') Reach stick

3.35m (11') HD Reach stick

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

2.9m (9'6") HD Reach stick

3.0m (9'10") Mass stick

3.35m (11') Reach stick

3.35m (11') HD Reach stick

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

2.9m (9'6") HD Reach stick

3.0m (9'10") Mass stick

3.35m (11') Reach stick

3.35m (11') HD Reach stick

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

2.9m (9'6") HD Reach stick

3.0m (9'10") Mass stick

3.35m (11') Reach stick

3.35m (11') HD Reach stick

360° Exterior Tour

360° Interior Tour

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