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
Caterpillar 308C CR Mini Excavator Boom/Stick Excavator Option 1 specifications
Max Cutting Height
24.30 ft (7.41 m)
Max Digging Depth
13.60 ft (4.15 m)
Max Loading Height
17.30 ft (5.27 m)
Max Reach Along Ground
20.50 ft (6.25 m)
Max Vertical Wall Digging Depth
11.10 ft (3.38 m)
Shipping Height of Unit
8.60 ft (2.62 m)
Shipping Length of Unit
19.20 ft (5.85 m)
Boom/Stick Excavator Option 2
Caterpillar 308C CR Mini Excavator Boom/Stick Excavator Option 2 specifications
Max Cutting Height
25.60 ft (7.80 m)
Max Digging Depth
15.50 ft (4.72 m)
Max Loading Height
18.60 ft (5.67 m)
Max Reach Along Ground
22.30 ft (6.80 m)
Max Vertical Wall Digging Depth
13.50 ft (4.11 m)
Shipping Height of Unit
9.00 ft (2.74 m)
Shipping Length of Unit
19.20 ft (5.85 m)
Bucket
Caterpillar 308C CR Mini Excavator Bucket specifications
Maximum Bucket Capacity
0.50 cu yd (0.38 cu m)
Minimum Bucket Capacity
0.20 cu yd (0.15 cu m)
Reference Bucket Capacity
0.50 cu yd (0.38 cu m)
Dimensions
Caterpillar 308C CR Mini Excavator Dimensions specifications
Digging Depth
15.00 ft (4.57 m)
Digging Reach
15.00 ft (4.57 m)
Ground Clearance
1.30 ft (0.40 m)
Height - Top of Cab
8.60 ft (2.62 m)
Tail Swing Radius
4.30 ft (1.31 m)
Width to Outside of Tracks
7.60 ft (2.32 m)
Engine
Caterpillar 308C CR Mini Excavator Engine specifications
Displacement
173.00 cu in (2,834.97 cu cm)
Engine Model
C 4M40E1
Gross Power
55.00 hp (41.01 kw)
Net Power
54.00 hp (40.27 kw)
Number of Cylinders
4
Operating Specifications
Caterpillar 308C CR Mini Excavator Operating Specifications specifications
Alternator Supplied Amperage
35 amps
Cooling System Fluid Capacity
4.00 gal (15.14 l)
Engine Oil Capacity
2.60 gal (9.84 l)
Fuel Capacity
30.40 gal (115.06 l)
Hydraulic System Fluid Capacity
24.30 gal (91.98 l)
Hydraulic System Relief Valve Pressure
3980 psi
Swing Mechanism
Caterpillar 308C CR Mini Excavator Swing Mechanism specifications
Swing Speed
11.5 rpm
Swing Torque
11,801.00 lbs ft (15,999.80 nm)
Undercarriage
Caterpillar 308C CR Mini Excavator Undercarriage specifications
Ground Pressure
4.7 psi
Max Travel Speed
3.30 mph (5.31 kph)
Shoe Size
18.00 in (45.72 cm)
Track Gauge
6.20 ft (1.89 m)
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