CAT 309 CR Mini Excavator


Dimensions – Long Stick

Ground Clearance 13.5 in (342.9 mm)
Boom In Reach 126.6 in (3215.64 mm)
Boom Swing – Left 24 in (609.6 mm)
Boom Swing – Right 37 in (939.8 mm)
Vertical Wall 134.31 in (3411.22 mm)
Cab Height 99 in (2514.6 mm)
Dig Depth 183.1 in (4650.74 mm)
Maximum Blade Depth 26.9 in (683.26 mm)
Maximum Blade Height 13.5 in (342.9 mm)
Maximum Dig Height 276.8 in (7030.72 mm)
Maximum Dump Clearance 199.4 in (5064.76 mm)
Maximum Reach 300.7 in (7637.78 mm)
Maximum Reach – Ground Level 293.8 in (7462.52 mm)
O/A Shipping Length 262.3 in (6662.42 mm)
O/A Track Width 97.2 in (2468.88 mm)
O/A Undercarriage Length 126 in (3200.4 mm)
Stick Length 92.8 in (2357.12 mm)
Swing Bearing – Height 28.7 in (728.98 mm)
Tail Swing With Counterweight 64.8 in (1645.92 mm)
Tail Swing Without Counterweight 57.1 in (1450.34 mm)
Track Belt/Shoe Width 17.7 in (449.58 mm)
Transport Height 99 in (2514.6 mm)

Dimensions – Standard Stick

Ground Clearance 13.5 in (342.9 mm)
Tail Swing With Counterweight 64.8 in (1645.92 mm)
O/A Shipping Length 259 in (6578.6 mm)
Transport Height 97.9 in (2486.66 mm)
O/A Track Width 97.2 in (2468.88 mm)
Boom Swing – Right 37 in (939.8 mm)
Cab Height 99 in (2514.6 mm)
Tail Swing Without Counterweight 57.1 in (1450.34 mm)
Dig Depth 162 in (4114.8 mm)
Boom In Reach 120.4 in (3058.16 mm)
Boom Swing – Left 24 in (609.6 mm)
Maximum Blade Depth 26.9 in (683.26 mm)
O/A Undercarriage Length 126 in (3200.4 mm)
Maximum Blade Height 13.5 in (342.9 mm)
Stick Length 71.8 in (1823.72 mm)
Maximum Dig Height 264.9 in (6728.46 mm)
Vertical Wall 118 in (2997.2 mm)
Maximum Dump Clearance 187.1 in (4752.34 mm)
Swing Bearing – Height 28.7 in (728.98 mm)
Track Belt/Shoe Width 17.7 in (449.58 mm)
Maximum Reach – Ground Level 273.61 in (6949.44 mm)
Maximum Reach 281.11 in (7139.94 mm)

Swing System

Machine Swing Speed 10.6 rpm

Engine Details

Net Power 70.3 hp (52.5 kw)
Displacement 203 cu in (3.4 L)
Bore 3.7 in (94 mm)
Stroke 4.7 in (119.4 mm)
Engine Model Cat C3.3B
Gross Power – Iso 14396 74.3 hp (55.5 kw)
Rated Net Power – 2,200 Rpm – U.S. Epa Tier 4 Final – Iso 9249/Eec 80/1269 70.3 hp (52.5 kw)
Rated Net Power – 2,200 Rpm – Eu Stage V – Iso 9249/Eec 80/1269 71.5 hp (53.4 kw)

Weights

Operating Weight 20731 lb
Note (1) *Minimum Weight is based on steel tracks, no counterweight, operator, full fuel tank, standard stick, blade and no bucket.
Note (2) **Maximum Weight is based on steel tracks with rubber pads, counterweight, operator, full fuel tank, long stick, blade and no bucket.
Minimum Operating Weight With Cab* 19304 lb (8756.2 kg)
Maximum Operating Weight With Cab** 20731 lb (9403.5 kg)

Blade

Height 17 in (431.8 mm)

Hydraulic System

Hydraulic System Type Load Sensing Hydraulics with Variable Displacement Piston Pump
Operating Pressure – Swing 3626 psi
Operating Pressure – Equipment 4134 psi
Operating Pressure – Travel 4134 psi
Digging Force – Stick – Standard 9500 lb (4309.2 kg)
Digging Force – Stick – Long 8023 lb (3639.2 kg)
Digging Force – Bucket 13943 lb (6324.5 kg)
Pump Flow At 2,400 Rpm 62 gal/min
Auxiliary Circuit – Secondary – Flow 9 gal/min
Auxiliary Circuit – Secondary – Pressure 4134 psi

Blade

Width – Standard 97.2 in (2468.9 mm)
Width – Wide 103.9 in (2639.1 mm)

Hydraulic System

Auxiliary Circuit – Primary (High Flow) – Flow 37 gal/min
Auxiliary Circuit – Primary (High Flow) – Pressure 4134 psi

Service Refill Capacities

Cooling System 2.6 gal (9.9 L)
Fuel Tank Capacity 39 gal (147.7 L)
Hydraulic Tank 14 gal (53 L)
Hydraulic System 28 gal (106 L)
Engine Oil 3 gal (11.4 L)

Sound

Note European Union Directive 2000/14/EC
Average Exterior Sound Pressure (Iso 6395:2008) 99 dB(A)
Operator Sound Pressure (Iso 6396:2008) 72 dB(A)

Air Conditioning System

Air Conditioning The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 1.0 kg of refrigerant which has a CO2 equivalent of 1.430 metric tonnes.

Specifications

Note The 309 CR specifications are based on a machine configured with a Long (L) Undercarriage. For specifications representing a 309 CR with a Standard Undercarriage, please refer to the 308 CR information.

Travel System

Maximum Traction Force – High Speed 6497 lb (2947 kg)
Maximum Traction Force – Low Speed 19064 lb (8647.3 kg)
Travel Speed – High 3.1 mph (5 km/h)
Travel Speed – Low 1.6 mph (2.6 km/h)
Gradeability – Maximum 30 degrees
Ground Pressure – Minimum Weight 6 psi
Ground Pressure – Maximum Weight 6 psi

Weight Increase From Minimum Configuration

Long Stick 146 lb (66.3 kg)
Counterweight 552 lb (250.4 kg)
Steel Tracks With Pads 728 lb (330.3 kg)

Certification – Cab

Roll Over Protective Structure (Rops) ISO 12117-2:2008
Tip Over Protective Structure (Tops) ISO 12117:1997
Top Guard ISO 10262:1998 (Level II)
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