308 CR (Fixed Boom)

308 CR (Fixed Boom)
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The Cat® 308 CR Mini Excavator delivers maximum power and performance in a mini size to help you work in a wide range of applications.
The Cat® 308 CR Mini Excavator delivers maximum power and performance in a mini size to help you work in a wide range of applications.

Brochures and Spec Sheets

Gallery

308 CR (Fixed Boom) 308 CR (Fixed Boom) 308 CR (Fixed Boom)

Specifications

Specification Value Unit
Net Power 69 hp
Engine Model
Net Power - 2,400 rpm - ISO 9249, 80/1269/EEC 69 hp
Gross Power - ISO 14396 74.3 hp
Bore 3.5 in
Stroke 4.3 in
Displacement 171 in³
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Note (2)
Operating Weight 18659 lb
Minimum Operating Weight with Cab* 16707 lb
Maximum Operating Weight with Cab** 18659 lb
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Counterweight 551 lb
Long Stick 187 lb
Steel Tracks with Pads 662 lb
Travel Speed - High 3 mile/h
Travel Speed - Low 1.8 mile/h
Maximum Traction Force - High Speed 6587 lbf
Maximum Traction Force - Low Speed 15962 lbf
Ground Pressure - Minimum Weight 4.8 psi
Ground Pressure - Maximum Weight 5.4 psi
Gradeability - Maximum
Cooling System 2.6 gal (US)
Engine Oil 2.3 gal (US)
Fuel Tank 38 gal (US)
Hydraulic Tank 14 gal (US)
Hydraulic System 29 gal (US)
Type
Pump Flow at 2,400 rpm 44 gpm
Operating Pressure - Equipment 4134 psi
Operating Pressure - Travel 4134 psi
Operating Pressure - Swing 3626 psi
Maximum Auxiliary Circuit - Primary - Flow at Pump 35 gpm
Maximum Auxiliary Circuit - Primary - Pressure at Pump 4134 psi
Maximum Auxiliary Circuit - Secondary - Flow at Pump 9 gpm
Maximum Auxiliary Circuit - Secondary - Pressure at Pump 4134 psi
Digging Force - Stick - Standard 9285 lbf
Digging Force - Stick - Long 8250 lbf
Digging Force - Bucket 13241 lbf
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Machine Swing Speed 10 r/min
Width - Standard 90.6 in
Width - Wide 96.5 in
Height 17 in
Roll Over Protective Structure (ROPS)
Top Guard
Dig Depth 163 in
Vertical Wall 142 in
Maximum Reach - Ground Level 246 in
Maximum Reach 252 in
Maximum Dig Height 291 in
Maximum Dump Clearance 207 in
Boom In Reach 66 in
Tail Swing with Counterweight 56 in
Tail Swing without Counterweight 51 in
Maximum Blade Height 14.6 in
Maximum Blade Depth 16 in
Height - Boom Transport - No Tools* 97 in
Height - Boom Working - With Tools** 105 in
Cab Height 100 in
Swing Bearing - Height 30 in
O/A Undercarriage Length 113 in
Overall Shipping Length - with Counterweight 228 in
Overall Shipping Length - without Counterweight 222 in
Track Belt/Shoe Width 18 in
O/A Track Width 91 in
Ground Clearance 14 in
Stick Length 66 in
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Dig Depth 185 in
Vertical Wall 162 in
Maximum Reach - Ground Level 266 in
Maximum Reach 272 in
Maximum Dig Height 307 in
Maximum Dump Clearance 223 in
Boom In Reach 89 in
Tail Swing with Counterweight 56 in
Tail Swing without Counterweight 51 in
Maximum Blade Height 14.6 in
Maximum Blade Depth 16 in
Height - Boom Transport - No Tools* 100 in
Height - Boom Working - With Tools** 121 in
Cab Height 100 in
Swing Bearing - Height 30 in
O/A Undercarriage Length 113 in
Overall Shipping Length - with Counterweight
Overall Shipping Length - without Counterweight
Track Belt/Shoe Width 18 in
O/A Track Width 91 in
Ground Clearance 14 in
Stick Length 87 in
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Note (1)
Note (2)
Air Conditioning
Operator Sound Pressure (ISO 6396:2008) 72 dB(A)
Average Exterior Sound Pressure (ISO 6395:2008) 99 dB(A)
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Recyclability