Excavators

308 CR Mini Hydraulic Excavator

image desc
Additional Views:
Quick Quote

Specification Summary

Engine Model
Cat C3.3B
Net Power
70.3 HP
Operating Weight
20678 lb
Height
17 in
Print this page Email to a Friend

Engine

Engine Model
Cat C3.3B
Net Power
70.3 HP
Bore
3.7 in
Displacement
203 in³
Gross Power - ISO 14396
74.3 HP
Rated Net Power - 2,200 rpm - EU Stage V - ISO 9249/EEC 80/1269
71.5 HP
Rated Net Power - 2,200 rpm - U.S. EPA Tier 4 Final - ISO 9249/EEC 80/1269
70.3 HP
Stroke
4.7 in

Weights

Operating Weight
20678 lb
Maximum Operating Weight with Cab**
20077 lb
Minimum Operating Weight with Cab*
18610 lb
Note (1)
*Minimum Weight is based on rubber 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.

Blade

Height
17 in
Width - Standard
91 in
Width - Wide
97 in

Swing System

Boom Swing - Left
60 degrees
Boom Swing - Right
50 degrees
Machine Swing Speed
10.6 r/min

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.

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)

Dimensions - Long Stick

Boom In Reach
127 in
Boom Swing - Left
24 in
Boom Swing - Right
37 in
Cab Height
100 in
Dig Depth
183 in
Ground Clearance
14 in
Maximum Blade Depth
16 in
Maximum Blade Height
15 in
Maximum Dig Height
277 in
Maximum Dump Clearance
200 in
Maximum Reach
301 in
Maximum Reach - Ground Level
294 in
O/A Shipping Length
262 in
O/A Track Width
91 in
O/A Undercarriage Length
113 in
Stick Length
93 in
Swing Bearing - Height
30 in
Tail Swing with Counterweight
65 in
Tail Swing without Counterweight
57 in
Track Belt/Shoe Width
18 in
Transport Height
99 in
Vertical Wall
134 in

Dimensions - Standard Stick

Boom In Reach
120 in
Boom Swing - Left
24 in
Boom Swing - Right
37 in
Cab Height
100 in
Dig Depth
162 in
Ground Clearance
14 in
Maximum Blade Depth
16 in
Maximum Blade Height
15 in
Maximum Dig Height
265 in
Maximum Dump Clearance
187 in
Maximum Reach
281 in
Maximum Reach - Ground Level
274 in
O/A Shipping Length
259 in
O/A Track Width
91 in
O/A Undercarriage Length
113 in
Stick Length
72 in
Swing Bearing - Height
30 in
Tail Swing with Counterweight
65 in
Tail Swing without Counterweight
57 in
Track Belt/Shoe Width
18 in
Transport Height
98 in
Vertical Wall
118 in

Hydraulic System

Auxiliary Circuit - Primary - Flow
35 gal/min
Auxiliary Circuit - Primary - Pressure
4134 psi
Auxiliary Circuit - Secondary - Flow
9 gal/min
Auxiliary Circuit - Secondary - Pressure
4134 psi
Digging Force - Bucket
13946 lb
Digging Force - Stick - Long
8032 lb
Digging Force - Stick - Standard
9509 lb
Operating Pressure - Equipment
4134 psi
Operating Pressure - Swing
3626 psi
Operating Pressure - Travel
4134 psi
Pump Flow at 2,400 rpm
44 gal/min
Type
Load Sensing Hydraulics with Variable Displacement Piston Pump

Service Refill Capacities

Cooling System
2.6 gal (US)
Engine Oil
3 gal (US)
Fuel Tank
39 gal (US)
Hydraulic System
29 gal (US)
Hydraulic Tank
14 gal (US)

Sound

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

Travel System

Gradeability - Maximum
30 degrees
Ground Pressure - Maximum Weight
5.8 psi
Ground Pressure - Minimum Weight
5.4 psi
Maximum Traction Force - High Speed
6250 lb
Maximum Traction Force - Low Speed
15175 lb
Travel Speed - High
3.2 mile/h
Travel Speed - Low
1.9 mile/h

Weight Increase from Minimum Configuration

Counterweight
552 lb
Long Stick
146 lb
Steel Tracks with Pads
752 lb
Engine Model
Cat C3.3B
Net Power
70.3 HP
Operating Weight
20678 lb
Height
17 in
Boom Swing - Left
60 degrees
Boom Swing - Right
50 degrees
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.
Width - Standard
91 in
Width - Wide
97 in
Roll Over Protective Structure (ROPS)
ISO 12117-2:2008
Tip Over Protective Structure (TOPS)
ISO 12117:1997
Top Guard
ISO 10262:1998 (Level II)
Boom In Reach
127 in
Boom Swing - Left
24 in
Boom Swing - Right
37 in
Cab Height
100 in
Dig Depth
183 in
Ground Clearance
14 in
Maximum Blade Depth
16 in
Maximum Blade Height
15 in
Maximum Dig Height
277 in
Maximum Dump Clearance
200 in
Maximum Reach
301 in
Maximum Reach - Ground Level
294 in
O/A Shipping Length
262 in
O/A Track Width
91 in
O/A Undercarriage Length
113 in
Stick Length
93 in
Swing Bearing - Height
30 in
Tail Swing with Counterweight
65 in
Tail Swing without Counterweight
57 in
Track Belt/Shoe Width
18 in
Transport Height
99 in
Vertical Wall
134 in
Boom In Reach
120 in
Boom Swing - Left
24 in
Boom Swing - Right
37 in
Cab Height
100 in
Dig Depth
162 in
Ground Clearance
14 in
Maximum Blade Depth
16 in
Maximum Blade Height
15 in
Maximum Dig Height
265 in
Maximum Dump Clearance
187 in
Maximum Reach
281 in
Maximum Reach - Ground Level
274 in
O/A Shipping Length
259 in
O/A Track Width
91 in
O/A Undercarriage Length
113 in
Stick Length
72 in
Swing Bearing - Height
30 in
Tail Swing with Counterweight
65 in
Tail Swing without Counterweight
57 in
Track Belt/Shoe Width
18 in
Transport Height
98 in
Vertical Wall
118 in
Bore
3.7 in
Displacement
203 in³
Gross Power - ISO 14396
74.3 HP
Rated Net Power - 2,200 rpm - EU Stage V - ISO 9249/EEC 80/1269
71.5 HP
Rated Net Power - 2,200 rpm - U.S. EPA Tier 4 Final - ISO 9249/EEC 80/1269
70.3 HP
Stroke
4.7 in
Auxiliary Circuit - Primary - Flow
35 gal/min
Auxiliary Circuit - Primary - Pressure
4134 psi
Auxiliary Circuit - Secondary - Flow
9 gal/min
Auxiliary Circuit - Secondary - Pressure
4134 psi
Digging Force - Bucket
13946 lb
Digging Force - Stick - Long
8032 lb
Digging Force - Stick - Standard
9509 lb
Operating Pressure - Equipment
4134 psi
Operating Pressure - Swing
3626 psi
Operating Pressure - Travel
4134 psi
Pump Flow at 2,400 rpm
44 gal/min
Type
Load Sensing Hydraulics with Variable Displacement Piston Pump
Cooling System
2.6 gal (US)
Engine Oil
3 gal (US)
Fuel Tank
39 gal (US)
Hydraulic System
29 gal (US)
Hydraulic Tank
14 gal (US)
Average Exterior Sound Pressure (ISO 6395:2008)
99 dB(A)
Note
European Union Directive “2000/14/EC”
Operator Sound Pressure (ISO 6396:2008)
72 dB(A)
Machine Swing Speed
10.6 r/min
Gradeability - Maximum
30 degrees
Ground Pressure - Maximum Weight
5.8 psi
Ground Pressure - Minimum Weight
5.4 psi
Maximum Traction Force - High Speed
6250 lb
Maximum Traction Force - Low Speed
15175 lb
Travel Speed - High
3.2 mile/h
Travel Speed - Low
1.9 mile/h
Counterweight
552 lb
Long Stick
146 lb
Steel Tracks with Pads
752 lb
Maximum Operating Weight with Cab**
20077 lb
Minimum Operating Weight with Cab*
18610 lb
Note (1)
*Minimum Weight is based on rubber 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.