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309 CR Mini Hydraulic Excavator

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Machine Information

Specifications

Specifications
Note
Weights
Operating Weight
21091 lb
Engine
Displacement
203 in³
Bore
3.7 in
Stroke
4.7 in
Gross Power - SAE J1995
74.3 HP
Rated Net Power - 2,200 rpm - U.S. EPA Tier 4 Final/EU Stage V - ISO 9249/EEC 80/1269
69.5 HP
Dimensions - Long Stick
Dig Depth
182.8 in
Weights
Maximum Operating Weight with Cab**
21091 lb
Note (1)
Note (2)
Minimum Operating Weight with Cab*
19735 lb
Engine
Engine Model
Weight Increase from Minimum Configuration
Steel Tracks with Pads
728 lb
Long Stick
146 lb
Counterweight
552 lb
Travel System
Gradeability - Maximum
Ground Pressure - Minimum Weight
5 psi
Ground Pressure - Maximum Weight
5.4 psi
Travel Speed - High
3.1 mile/h
Travel Speed - Low
1.6 mile/h
Maximum Traction Force - High Speed
6497 lb
Maximum Traction Force - Low Speed
19064 lb
Service Refill Capacities
Engine Oil
3 gal (US)
Fuel Tank
39 gal (US)
Hydraulic System
29 gal (US)
Cooling System
2.6 gal (US)
Hydraulic Tank
14 gal (US)
Hydraulic System
Type
Operating Pressure - Swing
3626 psi
Digging Force - Stick - Standard
9500 lb
Digging Force - Stick - Long
8023 lb
Operating Pressure - Travel
4134 psi
Pump Flow at 2,400 rpm
62 gal/min
Digging Force - Bucket
13943 lb
Operating Pressure - Equipment
4134 psi
Note
Maximum Auxiliary Circuit - Secondary - Flow at Pump
9 gal/min
Maximum Auxiliary Circuit - Primary - Pressure at Pump
4134 psi
Maximum Auxiliary Circuit - Primary - Flow at Pump
35 gal/min
Maximum Auxiliary Circuit - Secondary - Pressure at Pump
4134 psi
Maximum Auxiliary Circuit - High Flow - Pressure at Pump
4134 lbf/in
Maximum Auxiliary Circuit - High Flow - Flow at Pump
37 gal/min
Swing System
Machine Swing Speed
10.6 r/min
Boom Swing - Right
Boom Swing - Left
Blade
Height
17 in
Width - Wide
104 in
Width - Standard
97 in
Certification - Cab
Roll Over Protective Structure (ROPS)
Top Guard
Tip Over Protective Structure (TOPS)
Sound
Average Exterior Sound Pressure (ISO 6395:2008)
99 dB(A)
Note
Operator Sound Pressure (ISO 6396:2008)
72 dB(A)
Dimensions - Standard Stick
Boom Swing - Right
36.8 in
Maximum Dump Clearance
187.4 in
Tail Swing without Counterweight
57.1 in
Maximum Reach - Ground Level
273.6 in
O/A Undercarriage Length
126 in
Cab Height
100 in
Swing Bearing - Height
29.7 in
Maximum Dig Height
265.2 in
Track Belt/Shoe Width
17.7 in
O/A Track Width
97.2 in
Ground Clearance
14 in
Maximum Reach
281.1 in
Tail Swing with Counterweight
62.4 in
Boom In Reach
120.4 in
Vertical Wall
117.8 in
Dig Depth
161.7 in
Stick Length
71.8 in
Boom Swing - Left
23.8 in
Maximum Blade Height
16.1 in
Maximum Blade Depth
26 in
Note
Overall Shipping Length - without Counterweight
266.7 in
Overall Shipping Length - with Counterweight
266.7 in
Note (2)
Note (1)
Height - Boom Transport - No Tools*
95.7 in
Height - Boom Working - With Tools**
104.7 in
Dimensions - Long Stick
Maximum Dump Clearance
199.7 in
Boom In Reach
126.6 in
Vertical Wall
134 in
Maximum Blade Depth
26 in
O/A Undercarriage Length
126 in
O/A Track Width
97.2 in
Stick Length
92.8 in
Maximum Blade Height
16.1 in
Maximum Dig Height
277.1 in
Tail Swing with Counterweight
62.4 in
Maximum Reach
300.7 in
Cab Height
100 in
Ground Clearance
14 in
Swing Bearing - Height
29.7 in
Track Belt/Shoe Width
17.7 in
Boom Swing - Left
23.8 in
Boom Swing - Right
36.8 in
Tail Swing without Counterweight
57.1 in
Maximum Reach - Ground Level
293.7 in
Note
Note (2)
Note (1)
Height - Boom Transport - No Tools*
89 in
Overall Shipping Length - with Counterweight
Height - Boom Working - With Tools**
120.1 in
Overall Shipping Length - without Counterweight
Air Conditioning System
Air Conditioning
Sustainability
Recyclability

Additional Parts

Standard Equipment
ENGINE
HYDRAULICS
OPERATOR ENVIRONMENT
UNDERCARRIAGE
BOOM, STICK AND LINKAGES
ELECTRICAL
OTHER
Optional Equipment
OPERATOR ENVIRONMENT
UNDERCARRIAGE
BOOM, STICK AND LINKAGES
ELECTRICAL
GUARDING
OTHER
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