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Caterpillar 303.5 Mini Excavator

The Caterpillar 303.5 Mini Excavator packs a powerful punch in a compact package, making it ideal for a variety of construction and excavation projects. With a blade width of 5.1 feet and a dig depth of 13.8 inches, this machine offers precision and efficiency in tight spaces. Boasting a gross power of 27 horsepower and weighing in at 7810 pounds, the 303.5 is equipped with hydraulic systems that provide digging forces of 5742 pounds for the bucket and 4114 pounds for the stick, ensuring optimal performance on the job site.


See all Caterpillar 303.5s for sale

General Specifications

Blades

Blade Height15 in (37 cm)
Blade Lift Height17 in (42 cm)
Blade Width5 ft (2 m)
Dig Depth14 in (35 cm)

Dimensions

Center Ground Clearance1 ft (0 m)
Height - Over Cab8 ft (2 m)
Height - Over Canopy8 ft (2 m)
Maximum Cutting Height - Long Stick17 ft (5 m)
Maximum Cutting Height - Standard Stick17 ft (5 m)
Maximum Digging Depth - Long Stick12 ft (4 m)
Maximum Digging Depth - Standard Stick10 ft (3 m)
Maximum Dump Height - Long Stick13 ft (4 m)
Maximum Dump Height - Standard Stick12 ft (4 m)
Maximum Horizontal Reach - Long Stick19 ft (6 m)
Maximum Horizontal Reach - Standard Stick17 ft (5 m)
Maximum Reach - Ground Level - Long Stick18 ft (6 m)
Maximum Reach - Ground Level - Standard Stick17 ft (5 m)
Maximum Vertical Dig Depth - Long Stick9 ft (3 m)
Maximum Vertical Dig Depth - Standard Stick8 ft (2 m)
Shipping Length17 ft (5 m)
Stick Length - Long Stick6 ft (2 m)
Stick Length - Standard Stick4 ft (1 m)
Swing Radius - Rear5 ft (1 m)
Track Gauge4 ft (1 m)
Track Shoe Width12 ft (4 m)
Width - Over Track5 ft (2 m)
Width - Upper Structure5 ft (2 m)

Electrical System

Electrical System TypeTwelve-volt system

Engine

Bore3 in (9 cm)
Displacement91 cu in (1,496 cu cm)
Engine Model3013
Gross Power27 hp (20 kw)
Net Power25 hp (19 kw)
Stroke4 in (9 cm)

Hydraulic System

Auxiliary Circuit - Primary (245 bar/3,553 psi)17 gpm (66 lpm)
Digging Force - Bucket5,742 lbs (2,605 kg)
Digging Force - Stick - Long3,080 lbs (1,397 kg)
Digging Force - Stick - Standard4,114 lbs (1,866 kg)
Operating Pressure - Equipment2987 psi
Operating Pressure - Swing2494 psi
Operating Pressure - Travel2987 psi
Pump - Gear (Single)8 gpm (29 lpm)
Pump - Gear (Tandem)10 gpm (38 lpm)

Service Refill Capacities

Cooling System TAG1 gal (5 l)
Engine Oil2 gal (6 l)
Fuel Tank14 gal (54 l)
Hydraulic System18 gal (69 l)
Hydraulic Tank12 gal (45 l)

Swing System

Boom Swing - Left - With Stop55 degrees
Boom Swing - Left - Without Stop90 degrees
Boom Swing - Right50 degrees
Machine Swing Speed9.3 rpm
Swing System TypeHydraulic Motor Driven

Travel System

Maximum Traction Force - High Speed3,825 lbs (1,735 kg)
Maximum Traction Force - Low Speed6,750 lbs (3,062 kg)
Travel Speed - High3 mph (5 kph)
Travel Speed - Low2 mph (3 kph)

Weights

Operating Weight - With Cab7,810 lbs (3,543 kg)

  • Caterpillar 303.5s currently for sale
  • A Caterpillar 303.5 From NMC CAT for $57,000.00 USD
  • A Caterpillar 303.5 From Wyoming Machinery Company for $55,000.00 USD
  • A 2018 Caterpillar 303.5 From AIS Construction Equipment for $24,900.00 USD





  • 39.96118 \\ -82.99879 \\ Columbus \\ OH