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Caterpillar 307D Mini Excavator

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.


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Boom/Stick Excavator Option 1

Max Cutting Height23.80 ft (7.25 m)
Max Digging Depth13.30 ft (4.05 m)
Max Loading Height17.10 ft (5.21 m)
Max Reach Along Ground20.20 ft (6.16 m)
Max Vertical Wall Digging Depth12.00 ft (3.66 m)
Shipping Height of Unit8.70 ft (2.65 m)
Shipping Length of Unit18.80 ft (5.73 m)

Boom/Stick Excavator Option 2

Max Cutting Height25.10 ft (7.65 m)
Max Digging Depth15.10 ft (4.60 m)
Max Loading Height18.50 ft (5.64 m)
Max Reach Along Ground21.90 ft (6.68 m)
Max Vertical Wall Digging Depth13.70 ft (4.18 m)
Shipping Height of Unit8.70 ft (2.65 m)
Shipping Length of Unit18.80 ft (5.73 m)

Bucket

Reference Bucket Capacity0.40 cu yd (0.31 cu m)

Dimensions

Ground Clearance1.20 ft (0.37 m)
Height - Top of Cab8.70 ft (2.65 m)
Removal Counterweight Clearance2.50 ft (0.76 m)
Tail Swing Radius5.80 ft (1.77 m)
Width to Outside of Tracks7.60 ft (2.32 m)

Engine

Aspirationturbocharged
Displacement172.70 cu in (2,830.05 cu cm)
Engine Model4M40 TL
Gross Power57.70 hp (43.03 kw)
MakeMitsubishi
Net Power55.70 hp (41.54 kw)

Operating Specifications

Alternator Supplied Amperage35 amps
Cooling System Fluid Capacity4.20 gal (15.90 l)
Engine Oil Capacity3.40 gal (12.87 l)
Fuel Capacity35.70 gal (135.12 l)
Hydraulic Pump Flow Capacity71.90 gpm (272.14 lpm)
Hydraulic System Fluid Capacity24.90 gal (94.25 l)
Hydraulic System Relief Valve Pressure4641 psi
Operating Voltage24 V
Operating Weight15,597.80 lbs (7,075.05 kg)

Swing Mechanism

Swing Speed10 rpm

Undercarriage

Max Travel Speed1.20 mph (1.93 kph)
Shoe Size17.80 in (45.21 cm)
Track Gauge6.10 ft (1.86 m)

  • Caterpillar 307Ds currently for sale
  • A 2026 Caterpillar 307D From Bedrock Machinery for Call for Price
  • A 2026 Caterpillar 307D From Bedrock Machinery for Call for Price
  • A 2026 Caterpillar 307D From Bedrock Machinery for Call for Price
  • A 2026 Caterpillar 307D From Bedrock Machinery for Call for Price
  • A 2026 Caterpillar 307D From Bedrock Machinery for Call for Price



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