Caterpillar 307B Mini Excavator

Boom/Stick Excavator Option 1

Max Cutting Height 24 ft (7 m)
Max Digging Depth 14 ft (4 m)
Max Loading Height 17 ft (5 m)
Max Reach Along Ground 20 ft (6 m)
Max Vertical Wall Digging Depth 12 ft (4 m)

Boom/Stick Excavator Option 2

Max Cutting Height 25 ft (8 m)
Max Digging Depth 15 ft (5 m)
Max Loading Height 18 ft (6 m)
Max Reach Along Ground 22 ft (7 m)
Max Vertical Wall Digging Depth 14 ft (4 m)

Dimensions

Ground Clearance 1 ft (0 m)
Height – Top of Cab 9 ft (3 m)
Removal Counterweight Clearance 3 ft (1 m)
Tail Swing Radius 6 ft (2 m)
Width to Outside of Tracks 7 ft (2 m)

DRIVE SYSTEM

Maximum Drawbar Pull 12,810 lbs (5,811 kg)

Engine

Bore 4 in (9 cm)
Displacement 173 cu in (2,835 cu cm)
Engine Model 4M40E1
Flywheel Power 54 hp (40 kw)
Net Power 55 hp (41 kw)
Stroke 4 in (10 cm)

Hydraulic System

Maximum Pressure – Swing 3980 psi
Maximum Pressure – Travel 4550 psi
Pilot System – Maximum Flow 5 gpm (19 lpm)
Pilot System – Maximum Pressure 500 psi

Operating Specifications

Fuel Capacity 36 gal (135 l)
Hydraulic System Fluid Capacity 25 gal (94 l)
Hydraulic System Relief Valve Pressure 4550 psi
Operating Weight 14,330 lbs (6,500 kg)

Service Refill Capacities

Cooling System 4 gal (15 l)
Engine Oil 2 gal (7 l)
Final Drive – Each 1 gal (2 l)
Fuel Tank 36 gal (135 l)
Hydraulic System – Including Tank 25 gal (94 l)
Hydraulic Tank 15 gal (57 l)

Undercarriage

Drawbar Pull 12,130 lbs (5,502 kg)
Max Travel Speed 3 mph (5 kph)
Shoe Size 18 in (45 cm)
Track Gauge 6 ft (2 m)

Weights

Operating Weight 17,235 lbs (7,818 kg)
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