- Category: Mini Excavators ➔
- Manufacturer: Caterpillar ➔
- Model: 308C CR ➔
The Caterpillar 308C CR is a compact mini excavator designed for digging, trenching, grading, and utility work in confined job sites. As part of Caterpillar's 8-ton class, the 308C CR features a reduced tail swing design for improved maneuverability near walls, roads, and other 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 308C CR combines compact dimensions, operator visibility, and transportability for work where space is limited.
Boom/Stick Excavator Option 1
| Max Cutting Height | 24 ft (7 m)
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| Max Digging Depth | 14 ft (4 m)
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| Max Loading Height | 17 ft (5 m)
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| Max Reach Along Ground | 21 ft (6 m)
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| Max Vertical Wall Digging Depth | 11 ft (3 m)
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| Shipping Height of Unit | 9 ft (3 m)
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| Shipping Length of Unit | 19 ft (6 m)
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Boom/Stick Excavator Option 2
| Max Cutting Height | 26 ft (8 m)
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| Max Digging Depth | 16 ft (5 m)
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| Max Loading Height | 19 ft (6 m)
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| Max Reach Along Ground | 22 ft (7 m)
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| Max Vertical Wall Digging Depth | 14 ft (4 m)
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| Shipping Height of Unit | 9 ft (3 m)
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| Shipping Length of Unit | 19 ft (6 m)
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Bucket
| Maximum Bucket Capacity | 1 cu yd (0 cu m)
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| Minimum Bucket Capacity | 0 cu yd (0 cu m)
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| Reference Bucket Capacity | 1 cu yd (0 cu m)
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Dimensions
| Digging Depth | 15 ft (5 m)
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| Digging Reach | 15 ft (5 m)
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| Ground Clearance | 1 ft (0 m)
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| Height - Top of Cab | 9 ft (3 m)
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| Tail Swing Radius | 4 ft (1 m)
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| Width to Outside of Tracks | 8 ft (2 m)
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Engine
| Displacement | 173 cu in (2,835 cu cm)
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| Engine Model | C 4M40E1
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| Gross Power | 55 hp (41 kw)
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| Net Power | 54 hp (40 kw)
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| Number of Cylinders | 4
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Operating Specifications
| Alternator Supplied Amperage | 35 amps
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| Cooling System Fluid Capacity | 4 gal (15 l)
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| Engine Oil Capacity | 3 gal (10 l)
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| Fuel Capacity | 30 gal (115 l)
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| Hydraulic System Fluid Capacity | 24 gal (92 l)
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| Hydraulic System Relief Valve Pressure | 3980 psi
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Swing Mechanism
| Swing Speed | 11.5 rpm
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| Swing Torque | 11,801 lbs ft (16,000 nm)
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Undercarriage
| Ground Pressure | 4.7 psi
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| Max Travel Speed | 3 mph (5 kph)
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| Shoe Size | 18 in (46 cm)
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| Track Gauge | 6 ft (2 m)
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