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307D - 2008, Tier 3, NACD, LACD, APD
| The Cat 307D 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 standard tail swing design incorporates a counterweight that extends further back on the machine. This provides leverage to create a stable work platform during lifting and digging. The 307D sets the standard for conventional tail swing 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 | 15598 lb |
| Operating weight with cab | 15598 lb |
| Dimensions | |
| Max digging depth - standard stick | 13.3 ft |
| Max reach ground level - standard stick | 20.2 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) | 8138 lb |
| Digging force - bucket | 11061 lb |
| Swing System | |
| Machine swing speed | 10 RPM |
| 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 | 35.7 gal |
| Hydraulic tank | 21.1 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 |
| 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 |
| 1,500 m (5,000 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 |
| 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 |
| Segmented rubber track, 450 mm (18 in) |
| Bolt on rubber pads |
| Steel tracks, 600 mm (24 in) |
| Blade, bolt on cutting edge |
| OTHER |
| Stick, long |
| Guard - Front screen cab and canopy |
| Guard - Vandalism |
| Guard - Falling objects |
| Guard - Swivel |
| Rain protector, cab front |
| 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 |
| 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 |
| Segmented rubber track, 450 mm (18 in) |
| Bolt on rubber pads |
| Steel tracks, 600 mm (24 in) |
| Blade, bolt on cutting edge |
| OTHER |
| Stick, long |
| Guard - Front screen cab and canopy |
| Guard - Vandalism |
| Guard - Falling objects |
| Guard - Swivel |
| Rain protector, cab front |
| 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 |