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308D CR SB - 2008, Tier 3, NACD, LACD, APD
| 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. |
| 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 |
| Sound Levels | |
| Exterior Cab | 98 dB(A) |
| Interior Cab | 79 dB(A) |
| 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 |
| OPERATOR STATION |
| Cab fully glazed |
| Interior light |
| Pillar mounted windshield wiper and washer |
| Air conditioning, heater and defroster |
| Bolt-on FOGS capability |
| Openable uppper front windshield |
| Removable lower front windshield |
| Openable skylight |
| Right and rear windows, polycarbonate |
| Sliding door window, tempered glass |
| Rear window, emergency exit |
| Seat, high back suspension, fabric covered, 4 way adjustment |
| Armrest, adjustable |
| Seatbelt 75 mm (3 in) |
| Coat hook |
| Cup holder |
| Literature compartment |
| Floor mat |
| Mirrors |
| AM/FM radio |
| Monitoring system, guages and indicators |
| Neutral lever hydraulic lockout |
| Joystick pilot operated controls |
| Auxiliary control, joystick (proportional control) |
| Travel control pedals with hand levers |
| Power supply, 12V |
| Dial type accelerator |
| Work light, cab-mounted |
| CAT HD batteries, (cold weather start) |
| Altenator 35 amp |
| Warning horn |
| 24-volt electric starting |
| Boom swing control, joystick - mounted |
| HYDRAULICS and POWERTRAIN |
| MMC 4M40-TL Diesel Engine |
| Certified to meet U.S. EPA Interim Tier 4 |
| Extended life coolant -37°C (-34°F) |
| Variable displacement load sense hydraulics |
| Combined function auxiliary hydraulic circuit |
| Quick disconnect fittings |
| Automatic swing parking brake |
| Control pattern changer |
| Travel alarm |
| Straight line travel |
| Boom check valve |
| Two speed auto-shift travel |
| Automatic engine idle |
| Boom lowering device (accumulator) |
| Reverse swing damping valve |
| 2500 m (8,200 ft) altitude capability |
| UNDERCARRIAGE, BLADE and TRACK |
| Steel tracks, 450 mm (18 in) |
| Dozer blade with float function |
| Blade, weld on cutting edge |
| Grease lubricated track seals |
| Idler end track guiding guards |
| Hydraulic track adjusters |
| OTHER |
| Caterpillar Corporate "One Key" System |
| Fuel cap, lockable |
| Doors, lockable |
| Stick, standard, thumb ready |
| Bucket linkage with lifting eye |
| Additional counterweight |
| Toolbox |
| Antenna |
| Pictograph films |
| Boom with offset swing post |
| OPERATOR STATION |
| Headrest for KAB 528P/C, T8P/C |
| Cab fan |
| Sun visor |
| Light, boom-mounted |
| HYDRAULICS and POWER TRAIN |
| Cooling package, high ambient |
| Starting kit, cold weather |
| Coolant, extended life -50°C (-58°F) |
| Medium pressure auxiliary lines |
| Hydraulic quick coupler lines |
| UNDERCARRIAGE, BLADE and TRACK |
| Rubber tracks, 450 mm (18 in) |
| Segmented rubber track, 450 mm (18 in) |
| Bolt on rubber pads |
| Steel tracks, 600 mm (24 in) |
| Blade, bolt on cutting edge |
| WORK TOOLS |
| Quick Couplers: Mechanical, Hydraulic, Pin Lock and Wedge Style |
| Buckets: Heavy Duty, Heavy Duty Rock, Ditch Cleaning and Pin Lock |
| Thumbs: Hydraulic, Full Rotation and Stiff Link |
| Auger |
| Hammer |
| Shear |
| Compactor |
| OTHER |
| Stick, long |
| Guard - Front screen cab and canopy |
| Guard - Vandalism |
| Guard - Falling objects |
| Guard - Swivel |
| Rain protector, cab front |
| OPERATOR STATION |
| Headrest for KAB 528P/C, T8P/C |
| Cab fan |
| Sun visor |
| Light, boom-mounted |
| HYDRAULICS and POWER TRAIN |
| Cooling package, high ambient |
| Starting kit, cold weather |
| Coolant, extended life -50°C (-58°F) |
| Medium pressure auxiliary lines |
| Hydraulic quick coupler lines |
| UNDERCARRIAGE, BLADE and TRACK |
| Rubber tracks, 450 mm (18 in) |
| Segmented rubber track, 450 mm (18 in) |
| Bolt on rubber pads |
| Steel tracks, 600 mm (24 in) |
| Blade, bolt on cutting edge |
| WORK TOOLS |
| Quick Couplers: Mechanical, Hydraulic, Pin Lock and Wedge Style |
| Buckets: Heavy Duty, Heavy Duty Rock, Ditch Cleaning and Pin Lock |
| Thumbs: Hydraulic, Full Rotation and Stiff Link |
| Auger |
| Hammer |
| Shear |
| Compactor |
| OTHER |
| Stick, long |
| Guard - Front screen cab and canopy |
| Guard - Vandalism |
| Guard - Falling objects |
| Guard - Swivel |
| Rain protector, cab front |