Caterpillar 309 CR Mini Excavator
Dimensions
Dimensions - Long Stick
Ground Clearance
13.5in
Boom In Reach
126.6in
Boom Swing - Left
24in
Boom Swing - Right
37in
Vertical Wall
134.31in
Cab Height
99in
Dig Depth
183.1in
Maximum Blade Depth
26.9in
Maximum Blade Height
13.5in
Maximum Dig Height
276.8in
Maximum Dump Clearance
199.4in
Maximum Reach
300.7in
Maximum Reach - Ground Level
293.8in
O/A Shipping Length
262.3in
O/A Track Width
97.2in
O/A Undercarriage Length
126in
Stick Length
92.8in
Swing Bearing - Height
28.7in
Tail Swing With Counterweight
64.8in
Tail Swing Without Counterweight
57.1in
Track Belt/Shoe Width
17.7in
Transport Height
99in
Dimensions - Standard Stick
Ground Clearance
13.5in
Tail Swing With Counterweight
64.8in
O/A Shipping Length
259in
Transport Height
97.9in
O/A Track Width
97.2in
Boom Swing - Right
37in
Cab Height
99in
Tail Swing Without Counterweight
57.1in
Dig Depth
162in
Boom In Reach
120.4in
Boom Swing - Left
24in
Maximum Blade Depth
26.9in
O/A Undercarriage Length
126in
Maximum Blade Height
13.5in
Stick Length
71.8in
Maximum Dig Height
264.9in
Vertical Wall
118in
Maximum Dump Clearance
187.1in
Swing Bearing - Height
28.7in
Track Belt/Shoe Width
17.7in
Maximum Reach - Ground Level
273.61in
Maximum Reach
281.11in
Specifications
Swing System
Machine Swing Speed
10.6rpm
Engine
Net Power
70.3hp
Displacement
203cu in
Bore
3.7in
Stroke
4.7in
Engine Model
Cat C3.3B
Gross Power - Iso 14396
74.3hp
Rated Net Power - 2,200 Rpm - U.S. Epa Tier 4 Final - Iso 9249/Eec 80/1269
70.3hp
Rated Net Power - 2,200 Rpm - Eu Stage V - Iso 9249/Eec 80/1269
71.5hp
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*
19304lb
Maximum Operating Weight With Cab**
20731lb
Blade
Height
17in
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
9500lb
Digging Force - Stick - Long
8023lb
Digging Force - Bucket
13943lb
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
97.2in
Width - Wide
103.9in
Hydraulic System
Auxiliary Circuit - Primary (High Flow) - Flow
37 gal/min
Auxiliary Circuit - Primary (High Flow) - Pressure
4134 psi
Service Refill Capacities
Cooling System
2.6gal
Fuel Tank
39gal
Hydraulic Tank
14gal
Hydraulic System
28gal
Engine Oil
3gal
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
6497lb
Maximum Traction Force - Low Speed
19064lb
Travel Speed - High
3.1mph
Travel Speed - Low
1.6mph
Gradeability - Maximum
30 degrees
Ground Pressure - Minimum Weight
6 psi
Ground Pressure - Maximum Weight
6 psi
Weight Increase From Minimum Configuration
Long Stick
146lb
Counterweight
552lb
Steel Tracks With Pads
728lb
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)
