301.5 Mini Hydraulic Excavator

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The Cat® 301.5 Mini Excavator delivers power and performance in a compact size to help you work in a wide range of applications.

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Bore 3in
Displacement 69in³
Emissions Meets U.S. EPA Tier 4 Final and EU Stage V emission standards.
Engine Model C1.1
Net Power 21HP
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 3.2in
Minimum Operating Weight with Canopy* 3483lb
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 3913lb
Boom Height - Shipping Position 40.9in
Boom In Reach 57.1in
Boom Swing - Left 65°
Dig Depth 100in
Maximum Blade Height 10.8in
Maximum Dig Height 137.4in
Maximum Dump Clearance 98.8in
Maximum Reach 155.9in
Minimum Ground Clearance Below Undercarriage 6.1in
Note *Overall Shipping Length depends on blade position during shipment.
O/A Shipping Height 90.9in
O/A Undercarriage Length 57.5in
Overall Shipping Length* 141.3in
Stick Length 45.7in
Tail Swing 32.3in
Track Width - Retracted 39in
Vertical Wall 74.4in
Height 8.9in
Note *Expanded – 1300 mm (51 in)
Width* 39in
Dig Depth 92.1in
Maximum Blade Depth 10.2in
Maximum Blade Height 10.8in
Maximum Dig Height 135in
Maximum Reach 149.6in
Maximum Reach - Ground Level 146.9in
Note *Overall Shipping Length depends on blade position during shipment.
O/A Shipping Height 90.9in
O/A Undercarriage Length 57.5in
Overall Shipping Length* 142.5in
Swing Bearing - Height 17.5in
Tail Swing 32.3in
Track Belt/Shoe Width 9.1in
Track Width - Expanded 51.18in
Vertical Wall 70.9in
Auxiliary Circuit - Primary - Flow 8.7gal/min
Auxiliary Circuit - Secondary - Pressure 3089.3psi
Digging Force - Bucket 3169.8lbf
Digging Force - Stick - Long 1616.4lbf
Operating Pressure - Equipment 3089.3psi
Operating Pressure - Swing 1493.9psi
Operating Pressure - Travel 3089.3psi
Pump Flow at 2,400 rpm 17.4gal/min
Type Load Sensing Hydraulics with Variable Displacement Piston Pump
Gradeability - Maximum 30 degrees
Ground Pressure - Maximum Weight 4.4psi
Maximum Traction Force - High Speed 2315.5lbf
Maximum Traction Force - Low Speed 3597lb
Travel Speed - High 2.7mile/h
Travel Speed - Low 1.8mile/h
Roll Over Protective Structure (ROPS) ISO 12117-2:2008
Tip Over Protective Structure (TOPS) ISO 12117:1997
Top Guard ISO 10262:1998 (Level I)
Recyclability 95%
Average Exterior Sound Pressure (ISO 6395:2008) 93dB(A)
Note European Union Directive “2000/14/EC”
Cooling System 1gal (US)
Engine Oil 1.2gal (US)
Fuel Tank 5.8gal (US)
Hydraulic System 6.9gal (US)
Hydraulic Tank 4.8gal (US)
Machine Swing Speed 9.8r/min
Long Stick 18lb

Standard Equipment:

  • 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
  • Operator Environment
    • Tilt-up Canopy
    • Top Guard ISO 10262:1998 Level I
    • ROPS – ISO 12117-2:2008
    • TOPS – ISO 12117:1997
    • 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
    • Machine Security – Standard Key with Pass Code
    • Vinyl Non-Suspension Seat
    • 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
    • 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
  • Undercarriage
    • Expandable Undercarriage
    • Rubber Belt (230 mm/9 in wide)
    • Dozer Blade
    • Dozer Blade Float
    • Hydraulic Track Adjusters
    • Tie Downs on Track Frame
  • Boom, Stick And Linkages
    • One Piece Boom (1780 mm/70 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

Optional Equipment:

  • Operator Environment
    • Control Pattern Changer (optional in some regions)
    • No Travel Pedals and Hand Levers
    • Machine Security – Push to Start with Key Fob/Pass Code
    • Vinyl Suspension Seat
    • LED Front Lights
    • LED Front and Rear Lights
    • LED Boom Light
    • Mirrors Left and Right
  • Undercarriage
    • Steel Track (230 mm/9 in wide)
  • 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
    • Battery Disconnect
    • Product Link PL243 (regulations apply)
    • Product Link PLE643 (regulations apply)
    • Travel Alarm (standard in some regions)
  • Guarding
    • Guard, Canopy
    • Guard, Mesh
  • Other
    • Bio Oil Capable
    • Eco Drain
    • Water Jacket Heater