- Category: Mini Excavators ➔
- Manufacturer: Caterpillar ➔
- Model: 307D ➔
The Caterpillar 307D is a compact mini excavator designed for digging, trenching, grading, and utility work in confined job sites. It is part of Caterpillar's 7-ton class and is commonly used in construction, landscaping, municipal maintenance, and site preparation. The 307D features a reduced tail swing design for improved maneuverability, a hydraulic system suited for precise control, and compatibility with a range of attachments. Its compact size allows transport between jobs while maintaining digging performance and stability. The Caterpillar 307D is recognized for versatility, operator visibility, and efficient operation in urban and residential applications.
Boom/Stick Excavator Option 1
| Max Cutting Height | 23.80 ft (7.25 m)
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| Max Digging Depth | 13.30 ft (4.05 m)
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| Max Loading Height | 17.10 ft (5.21 m)
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| Max Reach Along Ground | 20.20 ft (6.16 m)
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| Max Vertical Wall Digging Depth | 12.00 ft (3.66 m)
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| Shipping Height of Unit | 8.70 ft (2.65 m)
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| Shipping Length of Unit | 18.80 ft (5.73 m)
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Boom/Stick Excavator Option 2
| Max Cutting Height | 25.10 ft (7.65 m)
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| Max Digging Depth | 15.10 ft (4.60 m)
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| Max Loading Height | 18.50 ft (5.64 m)
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| Max Reach Along Ground | 21.90 ft (6.68 m)
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| Max Vertical Wall Digging Depth | 13.70 ft (4.18 m)
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| Shipping Height of Unit | 8.70 ft (2.65 m)
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| Shipping Length of Unit | 18.80 ft (5.73 m)
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Bucket
| Reference Bucket Capacity | 0.40 cu yd (0.31 cu m)
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Dimensions
| Ground Clearance | 1.20 ft (0.37 m)
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| Height - Top of Cab | 8.70 ft (2.65 m)
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| Removal Counterweight Clearance | 2.50 ft (0.76 m)
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| Tail Swing Radius | 5.80 ft (1.77 m)
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| Width to Outside of Tracks | 7.60 ft (2.32 m)
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Engine
| Aspiration | turbocharged
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| Displacement | 172.70 cu in (2,830.05 cu cm)
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| Engine Model | 4M40 TL
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| Gross Power | 57.70 hp (43.03 kw)
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| Make | Mitsubishi
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| Net Power | 55.70 hp (41.54 kw)
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Operating Specifications
| Alternator Supplied Amperage | 35 amps
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| Cooling System Fluid Capacity | 4.20 gal (15.90 l)
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| Engine Oil Capacity | 3.40 gal (12.87 l)
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| Fuel Capacity | 35.70 gal (135.12 l)
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| Hydraulic Pump Flow Capacity | 71.90 gpm (272.14 lpm)
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| Hydraulic System Fluid Capacity | 24.90 gal (94.25 l)
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| Hydraulic System Relief Valve Pressure | 4641 psi
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| Operating Voltage | 24 V
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| Operating Weight | 15,597.80 lbs (7,075.05 kg)
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Swing Mechanism
Undercarriage
| Max Travel Speed | 1.20 mph (1.93 kph)
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| Shoe Size | 17.80 in (45.21 cm)
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| Track Gauge | 6.10 ft (1.86 m)
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