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Caterpillar 307C SB Mini Excavator

The Caterpillar 307C SB Mini Excavator is a versatile and powerful machine designed for a wide range of excavation tasks. With a maximum cutting height of 21.3 feet and a digging depth of 15.5 feet, this excavator offers impressive reach and digging capabilities. Equipped with a Mitsubishi 4M40E1 engine delivering 54 horsepower, along with hydraulic systems providing digging forces of up to 9830 pounds, the 307C SB is a reliable and efficient option for construction projects of all sizes.


See all Caterpillar 307C SBs for sale

General Specifications

Boom/Stick Excavator Option 1

Max Cutting Height20 ft (6 m)
Max Digging Depth14 ft (4 m)
Max Loading Height14 ft (4 m)
Max Reach Along Ground23 ft (7 m)
Max Vertical Wall Digging Depth10 ft (3 m)
Shipping Height of Unit9 ft (3 m)
Shipping Length of Unit22 ft (7 m)

Boom/Stick Excavator Option 2

Max Cutting Height21 ft (6 m)
Max Digging Depth16 ft (5 m)
Max Loading Height15 ft (4 m)
Max Reach Along Ground24 ft (7 m)
Max Vertical Wall Digging Depth12 ft (4 m)

Bucket

Maximum Bucket Capacity1 cu yd (0 cu m)
Minimum Bucket Capacity0 cu yd (0 cu m)
Reference Bucket Capacity1 cu yd (0 cu m)

Dimensions

Digging Depth15 ft (5 m)
Digging Reach15 ft (5 m)
Ground Clearance1 ft (0 m)
Height - Over Cab9 ft (3 m)
Height - Top of Cab9 ft (3 m)
Length - Center of Rollers7 ft (2 m)
Maximum Cutting Height - Long Stick21 ft (6 m)
Maximum Cutting Height - Standard Stick20 ft (6 m)
Maximum Digging Depth - Standard Stick14 ft (4 m)
Maximum Dump Height - Long Stick15 ft (4 m)
Maximum Dump Height - Standard Stick14 ft (4 m)
Maximum Reach - Ground Level - Standard Stick23 ft (7 m)
Maximum Vertical Dig Depth - Long Stick12 ft (4 m)
Maximum Vertical Dig Depth - Standard Stick10 ft (3 m)
Shipping Height9 ft (3 m)
Shipping Length20 ft (6 m)
Swing Radius - Rear6 ft (2 m)
Tail Swing Radius6 ft (2 m)
Track Shoe Width2 ft (0 m)
Transport Width90 ft (27 m)
Width to Outside of Tracks8 ft (2 m)

Engine

Bore4 in (9 cm)
Displacement173 cu in (2,835 cu cm)
Engine ModelMitsubishi 4M40E1
Gross Power55 hp (41 kw)
Net Power54 hp (40 kw)
Stroke4 in (10 cm)

Hydraulic System

Digging Force - Bucket9,830 lbs (4,459 kg)
Digging Force - Stick - Long6,896 lbs (3,128 kg)
Digging Force - Stick - Standard7,843 lbs (3,558 kg)
Operating Pressure - Equipment3980 psi
Operating Pressure - Swing2840 psi
Operating Pressure - Travel4550 psi

Operating Specifications

Cooling System Fluid Capacity4 gal (16 l)
Engine Oil Capacity3 gal (11 l)
Fuel Capacity36 gal (135 l)
Hydraulic Pump Flow Capacity17 gpm (64 lpm)
Hydraulic System Fluid Capacity25 gal (94 l)
Hydraulic System Relief Valve Pressure4550 psi
Swing Drive Fluid Capacity0 gal (2 l)

Service Refill Capacities

Cooling System4 gal (15 l)
Engine Oil3 gal (11 l)
Fuel Tank36 gal (135 l)
Hydraulic System25 gal (94 l)
Hydraulic Tank15 gal (57 l)

Swing Mechanism

Swing Speed11 rpm
Swing Torque10,440 lbs ft (14,155 nm)

Swing System

Machine Swing Speed11 rpm

Travel System

Travel Speed - High3 mph (5 kph)

Undercarriage

Drawbar Pull12,810 lbs (5,811 kg)
Ground Pressure5.3 psi
Max Travel Speed3 mph (5 kph)
Shoe Size18 in (45 cm)
Track Gauge6 ft (2 m)

Weights

Operating Weight18,479 lbs (8,382 kg)
Operating Weight - With Cab18,500 lbs (8,391 kg)