Products
Caterpillar Equipment
308D CR SB Hydraulic Excavator
The 308D CR SB Mini Hydraulic Excavator delivers superior performance and comfort while reducing your operating costs. The large spacious cab provides a comfortable work area. Intuitive seat-mounted controls are easy to use for greater job accuracy and efficiency. The compact radius design allows jobsite work where other machines cannot operate--significantly impacting your bottom line. This swing boom version increases machine and customer versatility by allowing the operator to dig box sections without repositioning the machine. The swing boom also allows you to accurately and safely dig along obstacles like fences, walls and buildings. The 308D CR SB will set the standard for swing boom excavators in the eight-ton size class.
Operator Station
Cab
Monitor Display
Compact Radius
Compact Radius Design
Performance
Hydraulics
Controls
Lift Capacity
Stick and Boom
Engine
Engine
Work Tools
Work Tools
Couplers
Auxiliary Hydraulics
Thumbs
Undercarriage
Track Options
Steel Track
Rubber Belt
Segmented Rubber Track
Rubber Pads
Blade Widths
Tie-down Points
Serviceability
Serviceability
Product Link
Machine Security System
Customer Support
Customer Support
Engine
Engine model |
Mitsubishi 4M40 TL |
Net power |
55.6 hp |
Gross power |
57.6 hp |
Weights
Operating weight |
18519 lb |
Operating weight with cab |
18519 lb |
Dimensions
Max digging depth - standard stick |
13.7 ft |
Max reach ground level - standard stick |
22.6 ft |
Engine Dimensions
Bore |
3.7 in |
Stroke |
3.9 in |
Displacement |
173 in3 |
Travel System
Travel speed - high |
3.1 mph |
Travel speed - low |
1.9 mph |
Gradeability (max) - high |
35 Degrees |
Hydraulic System
Operating pressures - equipment |
4061 psi |
Operating pressure - travel |
4641 psi |
Operating pressure - swing |
3481 psi |
Digging forces - stick (standard) |
8768 lb |
Digging force - stick (long) |
7868 lb |
Digging force - bucket |
13489 lb |
Swing System
Machine swing speed |
10 RPM |
Boom Swing - right |
50 Degrees |
Boom swing - left |
56 Degrees |
Service Refill Capacities
Cooling system |
4.1 gal |
Engine oil |
3.3 gal |
Fuel tank |
33 gal |
Hydraulic tank |
21.9 gal |
Hydraulic system |
24.8 gal |
Sound Levels
Exterior Cab |
98 dB(A) |
Interior Cab |
79 dB(A) |
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