CAT 303 CR Mini Excavator


Dimensions

Track Gauge 4.1 ft in (1249.68 mm)
Height – Over Cab 8.2 ft in (2.5 m)
Height – Over Canopy 8.2 ft in (2.5 m)
Maximum Cutting Height – Long Stick 15.5 ft in (4.73 m)
Maximum Cutting Height – Standard Stick 15.3 ft in (4.67 m)
Maximum Digging Depth – Long Stick 10.11 ft in (3.09 m)
Maximum Digging Depth – Standard Stick 9.9 ft in (3.02 m)
Maximum Dump Height – Long Stick 10.8 ft in (3.3 m)
Maximum Dump Height – Standard Stick 10.4 ft in (3.17 m)
Maximum Horizontal Reach – Long Stick 18 ft in (5.49 m)
Maximum Horizontal Reach – Standard Stick 17.3 ft in (5.28 m)
Maximum Reach – Ground Level – Long Stick 16.11 ft in (4.91 m)
Maximum Reach – Ground Level – Standard Stick 17.3 ft in (5.28 m)
Maximum Vertical Dig Depth – Long Stick 8.11 ft in (2.48 m)
Maximum Vertical Dig Depth – Standard Stick 8.4 ft in (2.57 m)
Shipping Length 15.4 ft in (4693.92 mm)
Swing Radius – Rear 3 ft in (0.92 m)
Track Shoe Width 1 ft in (0.31 m)
Width – Over Track 5.1 ft in (1.56 m)
Center Ground Clearance 1.11 ft in (0.34 m)
Width – Upper Structure 5.4 ft in (1.65 m)

Electrical System

Electrical System Type Twelve-volt system

Swing System

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

Engine Details

Gross Power 27.1 hp (20.3 kw)
Net Power 26.1 hp (19.5 kw)
Engine Model S3L2

Operational Specs

Operating Weight 7326 lb (3323.1 kg)

Weights

Operating Weight – With Cab 7524 lb (3412.9 kg)

Blade

Width 5.1 ft in (1549.4 mm)
Lift Height 16 in (406.4 mm)
Dig Depth 15 in (381 mm)

Hydraulic System

Operating Pressure – Swing 3550 psi
Pump – Gear (Single) 6.2 gal/min
Pump – Gear (Tandem) 8.7 gal/min
Operating Pressure – Equipment 3550 psi
Operating Pressure – Travel 3550 psi
Digging Force – Stick – Standard 3822 lb (1733.7 kg)
Digging Force – Stick – Long 3484 lb (1580.4 kg)
Digging Force – Bucket 6000 lb (2721.6 kg)
Auxiliary Circuit – Primary (245 Bar/3,553 Psi) 13.15 gal/min
Auxiliary Circuit – Primary 13.15 gal/min

Service Refill Capacities

Fuel Tank Capacity 10.9 gal (41.3 L)
Hydraulic Tank 7.8 gal (29.6 L)
Hydraulic System 18.2 gal (68.9 L)
Engine Oil 1.5 gal (5.7 L)
Cooling System Tag 1 gal (3.5 L)

Engine Dimensions

Bore 3.1 in (78 mm)
Stroke 3.7 in (92 mm)
Displacement 80.5 cu in (1.4 L)

Msc Comments

Msc Spec Date 1/1/2000

Travel System

Gradeability – Maximum – High 25 degrees
Travel Speed – High 3 mph (4.8 km/h)
Travel Speed – Low 1.7 mph (2.8 km/h)
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