Create a CEG Account  /  CEG Login
☰


Caterpillar 307D Mini Excavator Specs

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 attachment use, and a cab or canopy configuration depending on market and specification. Its size allows transport between jobs with relative ease while maintaining digging performance for small to medium earthmoving tasks.


Boom/Stick Excavator Option 1

Caterpillar 307D Mini Excavator Boom/Stick Excavator Option 1 specifications
Max Cutting Height 23.80 ft (7.25 m)
Max Digging Depth 13.30 ft (4.05 m)
Max Loading Height 17.10 ft (5.21 m)
Max Reach Along Ground 20.20 ft (6.16 m)
Max Vertical Wall Digging Depth 12.00 ft (3.66 m)
Shipping Height of Unit 8.70 ft (2.65 m)
Shipping Length of Unit 18.80 ft (5.73 m)

Boom/Stick Excavator Option 2

Caterpillar 307D Mini Excavator Boom/Stick Excavator Option 2 specifications
Max Cutting Height 25.10 ft (7.65 m)
Max Digging Depth 15.10 ft (4.60 m)
Max Loading Height 18.50 ft (5.64 m)
Max Reach Along Ground 21.90 ft (6.68 m)
Max Vertical Wall Digging Depth 13.70 ft (4.18 m)
Shipping Height of Unit 8.70 ft (2.65 m)
Shipping Length of Unit 18.80 ft (5.73 m)

Bucket

Caterpillar 307D Mini Excavator Bucket specifications
Reference Bucket Capacity 0.40 cu yd (0.31 cu m)

Dimensions

Caterpillar 307D Mini Excavator Dimensions specifications
Ground Clearance 1.20 ft (0.37 m)
Height - Top of Cab 8.70 ft (2.65 m)
Removal Counterweight Clearance 2.50 ft (0.76 m)
Tail Swing Radius 5.80 ft (1.77 m)
Width to Outside of Tracks 7.60 ft (2.32 m)

Engine

Caterpillar 307D Mini Excavator Engine specifications
Aspiration turbocharged
Displacement 172.70 cu in (2,830.05 cu cm)
Engine Model 4M40 TL
Gross Power 57.70 hp (43.03 kw)
Make Mitsubishi
Net Power 55.70 hp (41.54 kw)

Operating Specifications

Caterpillar 307D Mini Excavator Operating Specifications specifications
Alternator Supplied Amperage 35 amps
Cooling System Fluid Capacity 4.20 gal (15.90 l)
Engine Oil Capacity 3.40 gal (12.87 l)
Fuel Capacity 35.70 gal (135.12 l)
Hydraulic Pump Flow Capacity 71.90 gpm (272.14 lpm)
Hydraulic System Fluid Capacity 24.90 gal (94.25 l)
Hydraulic System Relief Valve Pressure 4641 psi
Operating Voltage 24 V
Operating Weight 15,597.80 lbs (7,075.05 kg)

Swing Mechanism

Caterpillar 307D Mini Excavator Swing Mechanism specifications
Swing Speed 10 rpm

Undercarriage

Caterpillar 307D Mini Excavator Undercarriage specifications
Max Travel Speed 1.20 mph (1.93 kph)
Shoe Size 17.80 in (45.21 cm)
Track Gauge 6.10 ft (1.86 m)
×

Stay Ahead of the Market

Get weekly equipment news, auction updates, and dealer insights — trusted by thousands of industry professionals.