Caterpillar 303 CR Excavator Specs, Dimensions, Comparisons

Caterpillar 303 specifications

Caterpillar 303 specifications

Caterpillar 303 CR Engine

Bore 3.1 in (8 cm)
Displacement 80.5 cu in (0 m)
Engine Model S3L2
Gross Power 27.1 hp (20 kw)
Net Power 26.1 hp (19 kw)
Stroke 3.7 in (9 cm)

Caterpillar 303 CR Hydraulic System

Auxiliary Circuit – Primary 13.15 gal/min (50 l/min)
Auxiliary Circuit – Primary (245 bar/3,553 psi) 13.15 gal/min (50 l/min)
Digging Force – Bucket 6000 lbs (2,722 kg)
Digging Force – Stick – Long 3484 lbs (1,580 kg)
Digging Force – Stick – Standard 3822 lbs (1,734 kg)
Operating Pressure – Equipment 3550 psi
Operating Pressure – Swing 3550 psi
Operating Pressure – Travel 3550 psi
Pump – Gear (Single) 6.2 gal/min (23 l/min)
Pump – Gear (Tandem) 8.7 gal/min (33 l/min)

Caterpillar 303 CR Operating Specifications

Operating Weight 7403 lbs (3,358 kg)

Caterpillar 303 CR Service Refill Capacities

Cooling System TAG 1 gal (4 l)
Engine Oil 1.5 gal (6 l)
Fuel Tank 10.9 gal (41 l)
Hydraulic System 18.2 gal (69 l)
Hydraulic Tank 7.8 gal (30 l)

Caterpillar 303 CR Swing System

Boom Swing – Left – With Stop 65 °
Boom Swing – Left – Without Stop 90 °
Boom Swing – Right 50 °
Machine Swing Speed 9.6 rpm
Swing System Type Hydraulic Motor Driven

Caterpillar 303 CR Travel System

Travel Speed – High 3 mph (5 kph)
Travel Speed – Low 1.7 mph (3 kph)

Caterpillar 303 CR Weights

Operating Weight – With Cab 7524 lbs (3,413 kg)

Caterpillar 303 CR Blades

Blade Lift Height 16 in (41 cm)
Blade Width 5.1 ft (2 m)
Dig Depth 15 in (38 cm)

Caterpillar 303 CR Dimensions

Center Ground Clearance 1.1 ft (0 m)
Digging Depth 9 ft (3 m)
Digging Reach 9 ft (3 m)
Height – Over Cab 8.2 ft (3 m)
Height – Over Canopy 8.2 ft (3 m)
Maximum Cutting Height – Long Stick 15.5 ft (5 m)
Maximum Cutting Height – Standard Stick 15.3 ft (5 m)
Maximum Digging Depth – Long Stick 10.2 ft (3 m)
Maximum Digging Depth – Standard Stick 9.9 ft (3 m)
Maximum Dump Height – Long Stick 10.8 ft (3 m)
Maximum Dump Height – Standard Stick 10.4 ft (3 m)
Maximum Horizontal Reach – Long Stick 18 ft (5 m)
Maximum Horizontal Reach – Standard Stick 17.3 ft (5 m)
Maximum Reach – Ground Level – Long Stick 16.1 ft (5 m)
Maximum Reach – Ground Level – Standard Stick 17.3 ft (5 m)
Maximum Vertical Dig Depth – Long Stick 8.2 ft (3 m)
Maximum Vertical Dig Depth – Standard Stick 8.4 ft (3 m)
Shipping Length 15.4 ft (5 m)
Swing Radius – Rear 3 ft (1 m)
Track Gauge 4.1 ft (1 m)
Track Shoe Width 1 ft (0 m)
Width – Over Track 5.1 ft (2 m)
Width – Upper Structure 5.4 ft (2 m)

Caterpillar 303 CR Electrical System

Electrical System Type Twelve-volt system

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