New CAT Equipment

308 CR (Fixed Boom) Mini Hydraulic Excavator

Mini Excavators Inspired by Our Customers

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.

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Benefits

Up To 10% Lower Total Cost of Ownership*

with improved fuel efficiency and longer service intervals.

*Versus previous models.

ALWAYS STANDARD

• Stick Steer
• Cruise Control
• Advanced Touchscreen Monitor
• VisionLink™ Connect
 

Up To 20% More Performance*

with customizable operator settings and improvements in lift, swing, travel and multifunction.

*Versus previous models.
  • Air Conditioning System
    Air Conditioning
    The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a or R1234yf (Europe) (Global Warming Potential = 1430). See label or instruction manual for gas refrigerant identification. The system contains 0.75 kg (1.65 lb), 0.90 kg (1.98 lb) or 1.0 kg (2.20 lb) of refrigerant which has a CO2 equivalent of 1.430 metric tonnes (1.576 tons) for R134a and 0.001 tonnes (0.001 tons) for R1234yf (Europe).
  • Blade
    Height
    17 in
    Width - Standard
    90.6 in
    Width - Wide
    96.5 in
  • Certification - Cab
    Roll Over Protective Structure (ROPS)
    ISO 12117-2:2008
    Top Guard
    ISO 10262:1998 (Level I)
  • Dimensions - Long Stick
    Boom In Reach
    89 in
    Cab Height
    100 in
    Dig Depth
    185 in
    Ground Clearance
    14 in
    Height - Boom Transport - No Tools*
    100 in
    Height - Boom Working - With Tools**
    121 in
    Maximum Blade Depth
    16 in
    Maximum Blade Height
    14.6 in
    Maximum Dig Height
    307 in
    Maximum Dump Clearance
    223 in
    Maximum Reach
    272 in
    Maximum Reach - Ground Level
    266 in
    Note
    *Boom Height when stick is pinned in transport position with no attachments.
    Note (1)
    **Boom Height when stick is pinned in working position with attachments. Standard Stick offers only one pin position.
    Note (2)
    ***With blade positioned at the rear of the machine.
    O/A Track Width
    91 in
    O/A Undercarriage Length
    113 in
    Overall Shipping Length - with Counterweight
    5800 mm (228 in)***
    Overall Shipping Length - without Counterweight
    5665 mm (223 in)***
    Stick Length
    87 in
    Swing Bearing - Height
    30 in
    Tail Swing with Counterweight
    56 in
    Tail Swing without Counterweight
    51 in
    Track Belt/Shoe Width
    18 in
    Vertical Wall
    162 in
  • Dimensions - Standard Stick
    Boom In Reach
    66 in
    Cab Height
    100 in
    Dig Depth
    163 in
    Ground Clearance
    14 in
    Height - Boom Transport - No Tools*
    97 in
    Height - Boom Working - With Tools**
    105 in
    Maximum Blade Depth
    16 in
    Maximum Blade Height
    14.6 in
    Maximum Dig Height
    291 in
    Maximum Dump Clearance
    207 in
    Maximum Reach
    252 in
    Maximum Reach - Ground Level
    246 in
    Note
    *Boom Height when stick is pinned in transport position with no attachments.
    Note (1)
    **Boom Height when stick is pinned in working position with attachments Standard Stick offers only one pin position.
    Note (2)
    ***With blade positioned at the rear of the machine.
    O/A Track Width
    91 in
    O/A Undercarriage Length
    113 in
    Overall Shipping Length - with Counterweight
    228 in
    Overall Shipping Length - without Counterweight
    222 in
    Stick Length
    66 in
    Swing Bearing - Height
    30 in
    Tail Swing with Counterweight
    56 in
    Tail Swing without Counterweight
    51 in
    Track Belt/Shoe Width
    18 in
    Vertical Wall
    142 in
  • Engine
    Bore
    3.5 in
    Displacement
    171 in³
    Engine Model
    Cat® C2.8 Turbo
    Gross Power - ISO 14396
    74.3 hp
    Net Power
    69 hp
    Net Power - 2,400 rpm - ISO 9249, 80/1269/EEC
    69 hp
    Note
    Meets U.S. EPA Tier 4 Final and EU Stage V emissions standards.
    Note (1)
    Advertised power is tested per the specified standard in effect at the time of manufacture.
    Note (2)
    Net power advertised is the power available at the flywheel when the engine is at the rated speed of 2,400 rpm and the engine is installed with the factory configured fan, air intake system, exhaust system and alternator with a minimum alternator load.
    Stroke
    4.3 in
  • Hydraulic System
    Digging Force - Bucket
    13241 lbf
    Digging Force - Stick - Long
    8250 lbf
    Digging Force - Stick - Standard
    9285 lbf
    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
    Note
    Flow and pressure are not combinable. Under load, as flow rises pressure goes down.
    Operating Pressure - Equipment
    4134 psi
    Operating Pressure - Swing
    3626 psi
    Operating Pressure - Travel
    4134 psi
    Pump Flow at 2,400 rpm
    44 gpm
    Type
    Load Sensing Hydraulics with Variable Displacement Piston Pump
  • Service Refill Capacities
    Cooling System
    2.6 gal (US)
    Engine Oil
    2.3 gal (US)
    Fuel Tank
    38 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)
  • Sustainability
    Recyclability
    96%
  • Swing System
    Machine Swing Speed
    10 r/min
  • Travel System
    Gradeability - Maximum
    30 degrees
    Ground Pressure - Maximum Weight
    5.4 psi
    Ground Pressure - Minimum Weight
    4.8 psi
    Maximum Traction Force - High Speed
    6587 lbf
    Maximum Traction Force - Low Speed
    15962 lbf
    Travel Speed - High
    3 mile/h
    Travel Speed - Low
    1.8 mile/h
  • Weight Increase from Minimum Configuration
    Counterweight
    551 lb
    Long Stick
    187 lb
    Steel Tracks with Pads
    662 lb
  • Weights
    Maximum Operating Weight with Cab**
    18659 lb
    Minimum Operating Weight with Cab*
    16707 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.
    Operating Weight
    18659 lb

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