Caterpillar 309 CR Mini Excavator

Blades

Blade Height 17 in (43 cm)

Dimensions – Long Stick

Boom In Reach 127 in (322 cm)
Boom Swing – Left 24 in (61 cm)
Boom Swing – Right 37 in (94 cm)
Dig Depth 183 in (465 cm)
Maximum Blade Depth 27 in (68 cm)
Maximum Blade Height 14 in (34 cm)
Maximum Dig Height 277 in (703 cm)
Maximum Dump Clearance 199 in (506 cm)
Maximum Reach 301 in (764 cm)
Maximum Reach – Ground Level 294 in (746 cm)
O/A Shipping Length 262 in (666 cm)
O/A Track Width 97 in (247 cm)
O/A Undercarriage Length 126 in (320 cm)
Stick Length 93 in (236 cm)
Swing Bearing – Height 29 in (73 cm)
Track Belt/Shoe Width 18 in (45 cm)
Vertical Wall 134 in (341 cm)

Dimensions – Standard Stick

Boom In Reach 120 in (306 cm)
Boom Swing – Left 24 in (61 cm)
Boom Swing – Right 37 in (94 cm)
Dig Depth 162 in (411 cm)
Maximum Blade Depth 27 in (68 cm)
Maximum Blade Height 14 in (34 cm)
Maximum Dig Height 265 in (673 cm)
Maximum Dump Clearance 187 in (475 cm)
Maximum Reach 281 in (714 cm)
Maximum Reach – Ground Level 274 in (695 cm)
O/A Shipping Length 259 in (658 cm)
O/A Track Width 97 in (247 cm)
O/A Undercarriage Length 126 in (320 cm)
Stick Length 72 in (182 cm)
Swing Bearing – Height 29 in (73 cm)
Track Belt/Shoe Width 18 in (45 cm)
Vertical Wall 118 in (300 cm)

Engine

Bore 4 in (9 cm)
Displacement 203 cu in (3,327 cu cm)
Engine Model Cat C3.3B
Net Power 70 hp (52 kw)
Stroke 5 in (12 cm)

Hydraulic System

Auxiliary Circuit – Secondary – Flow 9 gpm (34 lpm)
Auxiliary Circuit – Secondary – Pressure 4134 psi
Digging Force – Bucket 13,943 lbs (6,324 kg)
Digging Force – Stick – Long 8,023 lbs (3,639 kg)
Digging Force – Stick – Standard 9,500 lbs (4,309 kg)
Hydraulic System Type Load Sensing Hydraulics with Variable Displacement Piston Pump
Operating Pressure – Equipment 4134 psi
Operating Pressure – Swing 3626 psi
Operating Pressure – Travel 4134 psi
Pump Flow at 2,400 rpm 62 gpm (235 lpm)

Service Refill Capacities

Cooling System 3 gal (10 l)
Engine Oil 3 gal (11 l)
Fuel Tank 39 gal (148 l)
Hydraulic System 28 gal (106 l)
Hydraulic Tank 14 gal (53 l)

Swing System

Machine Swing Speed 10.6 rpm

Travel System

Gradeability – Maximum 30 degrees
Ground Pressure – Maximum Weight 6 psi
Ground Pressure – Minimum Weight 6 psi
Maximum Traction Force – High Speed 6,497 lbs (2,947 kg)
Maximum Traction Force – Low Speed 19,064 lbs (8,647 kg)
Travel Speed – High 3 mph (5 kph)
Travel Speed – Low 2 mph (3 kph)

Weights

Operating Weight 20,731 lbs (9,403 kg)
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