New CAT Equipment

301.8 Mini Hydraulic Excavator

Mini Excavators Inspired by Our Customers

The Cat® 301.8 Mini Excavator delivers power and performance in a compact size to help you work in a wide range of applications.

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Benefits

4 Industry First Features

Cat Exclusives in a Mini Excavator

Up to 15% Lower Total Ownership Costs

with more common parts, lower repair costs and tilt up cab

Up to 20% More Performance

with programmable operator settings and faster cyle times

Learn more about the 301.8 Mini Hydraulic Excavator

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  • Blade
    Height
    8.9 in
    Note
    *Expanded – 1300 mm (51 in)
    Width*
    39 in
  • Certification - Cab and Canopy
    Roll Over Protective Structure (ROPS)
    ISO 12117-2:2008
    Tip Over Protective Structure (TOPS)
    ISO 12117:1997
    Top Guard
    ISO 10262:1998 (Level I)
  • Dimensions - Long Stick
    Boom Height - Shipping Position
    40.2 in
    Boom In Reach
    55.9 in
    Boom Swing - Left
    65 °
    Boom Swing - Right
    50 °
    Dig Depth
    101.2 in
    Maximum Blade Depth
    10.4 in
    Maximum Blade Height
    10.6 in
    Maximum Dig Height
    142.5 in
    Maximum Dump Clearance
    103.9 in
    Maximum Reach
    158.7 in
    Maximum Reach - Ground Level
    155.9 in
    Minimum Ground Clearance Below Undercarriage
    5.9 in
    Note
    *Overall Shipping Length depends on blade position during shipment.
    O/A Shipping Height
    90.6 in
    O/A Undercarriage Length
    62.6 in
    Overall Shipping Length*
    146.1 in
    Stick Length
    45.7 in
    Swing Bearing - Height
    17.4 in
    Tail Swing
    39.2 in
    Track Belt/Shoe Width
    9.1 in
    Track Width - Expanded
    51.18 in
    Track Width - Retracted
    39 in
    Vertical Wall
    76.4 in
  • Dimensions - Standard Stick
    Boom Height - Shipping Position
    42.1 in
    Boom In Reach
    55.9 in
    Boom Swing - Left
    65 °
    Boom Swing - Right
    50 °
    Dig Depth
    93.3 in
    Maximum Blade Depth
    10.4 in
    Maximum Blade Height
    10.6 in
    Maximum Dig Height
    139.8 in
    Maximum Dump Clearance
    100.8 in
    Maximum Reach
    152.4 in
    Maximum Reach - Ground Level
    149.6 in
    Minimum Ground Clearance Below Undercarriage
    5.9 in
    Note
    *Overall Shipping Length depends on blade position during shipment.
    O/A Shipping Height
    90.6 in
    O/A Undercarriage Length
    62.6 in
    Overall Shipping Length*
    146.5 in
    Stick Length
    37.8 in
    Swing Bearing - Height
    17.4 in
    Tail Swing
    39.2 in
    Track Belt/Shoe Width
    9.1 in
    Track Width - Expanded
    51.18 in
    Track Width - Retracted
    39 in
    Vertical Wall
    72.8 in
  • Engine
    Bore
    3 in
    Displacement
    69 in³
    Emissions
    Meets U.S. EPA Tier 4 Final and EU Stage V emission standards.
    Engine Model
    C1.1
    Gross Power - SAE J1995:2014
    21.6 hp
    Net Power
    21 hp
    Net Power - 2,400 rpm - ISO 9249, 80/1269/EEC
    21 hp
    Note
    Net power is tested per ISO 9249:2007 and 80/1269/EEC.
    Note (1)
    Engine power is tested per ISO 14396:2002.
    Note (2)
    Net power advertised is the power available at the flywheel when the engine is at rated speed and rated power when the engine is installed with the factory configured fan, air intake system, exhaust system, and alternator with a minimum alternator load.
    Stroke
    3.2 in
  • Hydraulic System
    Auxiliary Circuit - Primary - Flow
    8.7 gal/min
    Auxiliary Circuit - Primary - Pressure
    3553.4 psi
    Auxiliary Circuit - Secondary - Flow
    3.7 gal/min
    Auxiliary Circuit - Secondary - Pressure
    3553.4 psi
    Digging Force - Bucket
    4406.3 lbf
    Digging Force - Stick - Long
    2203.1 lbf
    Digging Force - Stick - Standard
    2540.3 lbf
    Operating Pressure - Equipment
    3553.4 psi
    Operating Pressure - Swing
    2132.1 psi
    Operating Pressure - Travel
    3553.4 psi
    Pump Flow at 2,400 rpm
    17.4 gal/min
    Type
    Load Sensing Hydraulics with Variable Displacement Piston Pump
  • Service Refill Capacities
    Cooling System
    1 gal (US)
    Engine Oil
    1.2 gal (US)
    Fuel Tank
    6.9 gal (US)
    Hydraulic System
    6.9 gal (US)
    Hydraulic Tank
    4.8 gal (US)
  • Sound
    Average Exterior Sound Pressure (ISO 6395:2008)
    93 dB(A)
    Note
    European Union Directive “2000/14/EC”
    Operator Sound Pressure (ISO 6396:2008)
    73 dB(A)
  • Sustainability
    Recyclability
    95%
  • Swing System
    Machine Swing Speed
    9.8 r/min
  • Travel System
    Gradeability - Maximum
    30 degrees
    Ground Pressure - Maximum Weight
    4.3 psi
    Ground Pressure - Minimum Weight
    3.9 psi
    Maximum Traction Force - High Speed
    2675.2 lbf
    Maximum Traction Force - Low Speed
    4136.5 lbf
    Travel Speed - High
    2.7 mile/h
    Travel Speed - Low
    1.8 mile/h
  • Weight Increase from Minimum Configuration
    Expandable Undercarriage
    271 lb
    Long Stick
    18 lb
    Steel Tracks
    110 lb
  • Weights
    EU: CE Plate Weight with Cab***
    4409 lb
    EU: CE Plate Weight with Canopy***
    4145 lb
    Maximum Operating Weight with Cab**
    4473 lb
    Maximum Operating Weight with Canopy**
    4211 lb
    Minimum Operating Weight with Cab*
    4075 lb
    Minimum Operating Weight with Canopy*
    3803 lb
    Note (1)
    *Minimum Weight is based on rubber tracks, operator, fixed undercarriage and full fuel tank.
    Note (2)
    **Maximum Weight is based on steel tracks, operator, expandable undercarriage and full fuel tank.
    Note (3)
    ***CE Plate Weight is based on the most common EU configuration. Includes 75 kg (165 lb) operator and full fuel tank and excludes bucket.
    Operating Weight
    4473 lb
ENGINE
  • Cat C1.1 Engine (U.S. EPA Tier 4 Final/EU Stage V)
  • Automatic Engine Idle
  • Automatic Engine Shutdown
  • Automatic Two Speed Travel
  • Fuel Water Separator
  • Power on Demand (not available in all regions)
  • Variable Displacement Piston Pump
  • Load Sensing/Flow Sharing Hydraulics
HYDRAULICS
  • Smart Tech Electronic Pump
  • Accumulator
  • Automatic Swing Brake
  • Auxiliary Hydraulic Lines
  • One and Two Way Auxiliary Flow
  • Continuous Auxiliary Flow
  • Auxiliary Line Quick Disconnects
GUARDING
  • ROPS ISO 12117-2:2008
  • TOPS ISO 12117:1997
  • Top Guard ISO 10262:1998
OPERATOR ENVIRONMENT
  • Tilt-up Canopy or Tilt-Up Cab
  • Machine 2-Point Lifting
  • Stick Steer Mode
  • Travel Cruise Control
  • Control Pattern Changer (optional in some regions)
  • Adjustable Wrist Rests
  • Washable Floor Mat
  • Travel Pedals and Hand Levers
  • Machine Security
  • Standard Key with Pass Code
  • Vinyl Non-Suspension Seat
  • Fabric Suspension Seat (Cab only)
  • Hydraulic Lockout – All Controls
  • Retractable High Visibility Seat Belt (75 mm/3 in)
  • Coat Hook
  • Cup Holder
  • Storage Pocket
  • Skylight
  • Mounting Bosses for Front
  • Signaling/Warning Horn
  • Interior Light (Cab only)
  • Boom Light, Halogen
  • Utility Space for Mobile Phone
  • Next Generation Color LCD Monitor (IP66)
    – Fuel Level and Coolant Temperature Gauges
    – Maintenance and Machine Monitoring
    – Performance and Machine Adjustments
    – Numeric Security Code
    – Multiple Languages
    – Hour Meter with Wake Up Switch
  • Seat Belt Reminder System
UNDERCARRIAGE
  • Rubber Belt (250 mm/10 in wide)
  • Dozer Blade
  • Dozer Blade Float
  • Hydraulic Track Adjusters
  • Tie Downs on Track Frame
BOOM, STICK AND LINKAGES
  • One Piece Boom (1850 mm/73 in)
  • Standard Stick (960 mm/37.8 in)
  • Front Shovel Capable
  • Front Shovel Capable – Pin-On
  • Thumb Ready (not available in all regions)
  • Certified Lifting Eye (optional in some regions)
ELECTRICAL
  • 12 Volt Battery
  • Software (machine and monitor)
  • Maintenance Free Battery
  • Signaling/Warning Horn
  • 12 Volt Power Socket
OPERATOR ENVIRONMENT
  • Cab with Air Conditioning
  • Cab with Heater
  • Control Pattern Changer (optional in some regions)
  • No Travel Pedals and Hand Levers
  • Push to Start with Key Fob/Pass Code
  • Vinyl Suspension Seat (Canopy only)
  • LED Front Lights
  • LED Front and Rear Lights
  • LED Boom Light
  • Mirrors Left and Right
  • Radio – Bluetooth®, Auxiliary, Microphone, USB (charging only) (Cab only)
UNDERCARRIAGE
  • Steel Track (250 mm/10 in wide)
  • Expandable Undercarriage
BOOM, STICK AND LINKAGES
  • Long Stick (1160 mm/45.7 in)
  • Front Shovel Capable – Dual Lock Manual Coupler
  • Attachments including Couplers, Thumbs, Buckets, Augers and Hammers
  • 2nd Auxiliary Hydraulic Lines
  • Boom Lowering Check Valve
  • Stick Lowering Check Valve
  • Hydraulic Quick Coupler Lines (not available in all regions)
ELECTRICAL
  • Lock Out/Tag Out Battery Disconnect
  • Product Link PL243 (regulations apply)
  • Product Link PLE643 (regulations apply)
  • Travel Alarm (standard in some regions)
GUARDING
  • Polycarbonate Half Height Front Guard (Canopy only)
  • Polycarbonate Front Guard (ISO 10262:1998 Level 1 and EN356 PSA)
OTHER
  • Bio Oil Capable
  • Eco Drain
  • Water Jacket Heater

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