The 345C L hydraulic excavator's high performance and rugged durability combine to maximize your productivity.


Engine Model Cat® C13 ACERT™ Cat® C13 ACERT™ Less
Net Flywheel Power 345.0 hp 257.0 kW Less
Net Power - ISO 9249 345.0 hp 257.0 kW Less
Net Power - SAE J1349 345.0 hp 257.0 kW Less
Net Power - EEC 80/1269 345.0 hp 260.0 kW Less
Bore 5.1 in 130.0 mm Less
Stroke 6.2 in 157.0 mm Less
Displacement 763.0 in3 12.5 L Less
Cylinders 6 6 Less


Operating Weight 99150.0 lb 44970.0 kg Less
Operating Weight - Long Undercarriage 99150.0 lb 44970.0 kg Less
Operating Weight - Standard Undercarriage 99150.0 lb 44970.0 kg Less

Operating Specifications

Max Reach at Ground Level 42.5 ft 12.96 m Less
Max Digging Depth 29.3 ft 8.92 m Less
Max Bucket Capacity 5.0 yd3 3.8 m3 Less
Nominal bucket weight 3880.0 lb 1762.0 kg Less
Bucket digging force - Normal 39300.0 lb 175.0 kN Less


Number of Shoes (each side) - Long Undercarriage 52 52 Less
Number of Track Rollers (each side) - Long Undercarriage 9 9 Less
Number of Carrier Rollers (each side) 2 2 Less

Swing Mechanism

Swing Speed 8.6 RPM 8.6 RPM Less
Swing Torque 109560.0 lb ft 148.5 kN·m Less


Maximum Travel Speed 2.7 mph 4.4 km/h Less
Maximum Drawbar Pull - Long Undercarriage 75920.0 lb 337.7 kN Less

Hydraulic System

Main System - Maximum Flow (Total) 190.0 gal/min 720.0 L/min Less
Maximum Pressure - Equipment - Normal 5080.0 psi 35000.0 kPa Less
Maximum Pressure - Equipment - Heavy Lift 5511.0 psi 38000.0 kPa Less
Maximum Pressure - Travel 5080.0 psi 35000.0 kPa Less
Maximum Pressure - Swing 4550.0 psi 31400.0 kPa Less
Pilot System - Maximum Flow 11.0 gal/min 43.0 L/min Less
Pilot System - Maximum Pressure 596.0 psi 4110.0 kPa Less
Boom Cylinder - Bore 6.3 in 160.0 mm Less
Boom Cylinder - Stroke 62.0 in 1575.0 mm Less
Stick Cylinder - Bore 7.5 in 190.0 mm Less
Stick Cylinder - Stroke (for Long Reach and Reach fronts) 70.0 in 1778.0 mm Less
Stick Cylinder - Stroke (for Mass Excavation fronts) 69.2 in 1758.0 mm Less
TB Family Bucket Cylinder - Bore 6.3 in 160.0 mm Less
TB Family Bucket Cylinder - Stroke 53.4 in 1356.0 mm Less
UB Family Bucket Cylinder - Bore 6.7 in 170.0 mm Less
UB Family Bucket Cylinder - Stroke 55.0 in 1396.0 mm Less
Main Normal Relief Pressure 5080.0 psi 35000.0 kPa Less

Service Refill Capacities

Fuel Tank Capacity 186.0 gal 705.0 L Less
Cooling System 16.0 gal 61.0 L Less
Engine Oil 11.0 gal 42.0 L Less
Swing Drive (each) 2.6 gal 10.0 L Less
Final Drive (each) 4.0 gal 15.0 L Less
Hydraulic System (including tank) 150.0 gal 570.0 L Less
Hydraulic Tank 64.0 gal 243.0 L Less

Sound Performance

Performance ANSI/SAE J1166 MAY90 Meets OSHA and MSHA Requirements ANSI/SAE J1166 MAY90 Meets OSHA and MSHA Requirements Less


Brakes SAE J1026 APR90 SAE J1026 APR90 Less
Cab/FOGS SAE J1356 FEB 88 and ISO 10262-1998 SAE J1356 FEB 88 and ISO 10262-1998 Less


Shipping Height 12.37 ft 3770.0 mm Less

C13 Engine with ACERT™ Technology

Built for power, reliability, economy and low emissions.


Cat® hydraulics deliver power and precise control to keep material moving.

Operator Station

Designed for simple, easy operation, the 345C L allows the operator to focus on production.

Electronic Control System

Manages the engine and hydraulics for maximum performance.


Durable undercarriage absorbs stresses and provides excellent stability.


The 345C L structural components are the backbone of the machine’s durability.

Boom, Sticks and Attachments

Designed for maximum flexibility to keep productivity and efficiency high on all jobs.

Work Tools

The 345C L has extensive selection of work tools to optimize machine performance.

Service and Maintenance

Simplified service and maintenance save you time and money.

Complete Customer Support

Cat dealer services help you operate longer with lower costs.

345C L Standard Equipment

Auto-lube ready

Auxiliary hydraulic valve and auxiliary pump drive location

  • Air conditioner, heater, defroster with automatic climate control
  • Ashtray with lighter
  • Bolt-on FOGS capability
  • Coat hook
  • Floor mat
  • Light, interior
  • Literature compartment
  • Polycarbonate side windows
  • Positive filtered ventilation
  • Radio mounting (DIN size)
  • Seat belt, retractable
  • Seat, suspension, with high back and head rest
  • Skylight, openable, with sunshade
  • Storage compartment suitable for a lunch box cooler
  • Sunscreen
  • Windshield wiper and washer (upper and lower)

Counterweight (7611 kg, 16,780 lbs)

  • Cat C13 with ACERT™ Technology
  • Precleaner
  • Speed control, automatic

Fine swing control

Fuel-Water separator

Heavy lift mode

Hydraulic neutralizer lever for all controls

Lights, working
  • Frame mounted
  • Boom, both sides
  • Cab mounted, two

Mirrors, frame and cab

Monitor, full graphic color display

Product Link ready

Radio, AM/FM with two speakers

S·O·SSM analysis, engine and hydraulic sampling ports

Start-up level checks (engine oil & coolant, hydraulic oil)

Swing parking brake, automatic

  • 900 mm (36") triple grouser shoes
  • Grease lubricated
  • Guiding guards, idler and center sections

Travel alarm

345C L Optional Equipment

Auxiliary controls
  • Hammer (One-way), thumb (two-way), combined (Tool Control)

Auxiliary hydraulic lines for Reach Booms and Sticks

Auxiliary hydraulic valve and pump attachments

  • Long Reach 7.4 m (24'3")
  • Mass excavation 6.55 m (21'6")
  • Reach 6.9 m (22'8")
  • Reach, Special Application 6.9 m (22'8")

Buckets (see pages 12, 22, 23 and 24)
  • Bucket linkage:
  • Bucket pin adapter kit, for using 345B series buckets
  • Bucket sidecutters and tips

  • Power supply, 12V - 10A (2)
  • Rear window emergency exit

Check valves
  • Boom lowering
  • Stick lowering

  • Counterweight 8110 kg (17,880 lb)
  • Counterweight 9013 kg (19,870 lb)
  • Counterweight removal device for 7611 kg (16,780 lb) and 8810 kg (17,880 lb) counterweight

  • Falling Object, for cab
  • Front window
  • Heavy-duty, under house
  • Swivel guard
  • Vandalism protection
  • Guiding, full length
  • Guiding, sprocket end

  • Pin grabber type, controls, lines

  • Cold weather starting aid (ether aid, heavy-duty batteries and jump receptacle)

Hand Control Pattern Changer

Machine Security System (MSS)

  • 2.5 m (8'2") M
  • 2.9 m (9'6") R/SA
  • 3.0 m (9'10") M
  • 3.35 m (11') R/SA
  • 3.9 m (12'10") LR/R/SA
  • 4.3 m (14'1") LR/R/SA

Straight travel pedal

  • 600 mm (24") double-grouser shoes
  • 750 mm (30") single-grouser shoes
  • 750 mm (30") double-grouser shoes
  • 750 mm (30") triple-grouser shoes
  • 900 mm (36") double-grouser shoes

  • Fixed
  • Variable
  • Wide variable

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