- Category: Mini Excavators ➔
- Manufacturer: Caterpillar ➔
- Model: 303E CR ➔
The Caterpillar 303E CR is a compact mini excavator designed for digging, trenching, grading, and utility work in confined job sites. As part of Caterpillar's mini excavator lineup, the 303E CR features a reduced tail swing design for improved maneuverability near walls, structures, and obstacles. It is commonly used in construction, landscaping, municipal maintenance, and site preparation applications. The machine is typically equipped with a hydraulic system suited for attachments such as buckets, augers, and breakers. The Caterpillar 303E CR combines compact dimensions, transportability, and operator visibility for work in tight-access environments.
Blades
| Blade Height | 13.00 in (33.02 cm)
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| Blade Lift Height | 16.00 in (40.64 cm)
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| Blade Width | 5.00 ft (1.52 m)
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| Dig Depth | 19.00 in (48.26 cm)
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Boom/Stick Excavator Option 1
| Max Digging Depth | 9.00 ft (2.74 m)
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| Max Reach Along Ground | 15.80 ft (4.82 m)
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Engine
| Bore | 3.10 in (7.87 cm)
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| Displacement | 77.00 cu in (1,261.81 cu cm)
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| Engine Model | Cat C1.3
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| Gross Power | 24.80 hp (18.49 kw)
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| Net Power | 23.50 hp (17.52 kw)
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| Stroke | 3.50 in (8.89 cm)
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Hydraulic System
| Digging Force - Bucket | 6,385.00 lbs (2,896.19 kg)
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| Digging Force - Stick - Long | 3,327.00 lbs (1,509.10 kg)
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| Digging Force - Stick - Standard | 3,732.00 lbs (1,692.81 kg)
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| Hydraulic System Type | Load Sensing Hydraulics with Variable Displacement Piston Pump
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| Operating Pressure - Equipment | 3553 psi
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| Operating Pressure - Swing | 2625 psi
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| Operating Pressure - Travel | 3553 psi
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| Pump Flow at 2,400 rpm | 23.10 gpm (87.43 lpm)
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Operating Specifications
| Operating Weight | 7,782.00 lbs (3,529.86 kg)
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Service Refill Capacities
| Cooling System | 1.20 gal (4.54 l)
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| Engine Oil | 1.50 gal (5.68 l)
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| Fuel Tank | 11.90 gal (45.04 l)
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| Hydraulic System | 17.20 gal (65.10 l)
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| Hydraulic Tank | 12.40 gal (46.93 l)
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Swing System
| Boom Swing - Left - Without Stop | 80 degrees
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| Machine Swing Speed | 9 rpm
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Travel System
| Maximum Traction Force - High Speed | 3,417.00 lbs (1,549.93 kg)
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| Maximum Traction Force - Low Speed | 6,947.00 lbs (3,151.11 kg)
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| Travel Speed - High | 2.80 mph (4.51 kph)
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| Travel Speed - Low | 1.50 mph (2.41 kph)
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Weights
| Operating Weight - With Cab | 7,204.00 lbs (3,267.68 kg)
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| Operating Weight - With Canopy | 6,721.00 lbs (3,048.60 kg)
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