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301.8 Mini Hydraulic Excavator

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

Engine

Net Power

21HP

Engine Model

C1.1

Note (1)

Engine power is tested per ISO 14396:2002.

Note

Net power is tested per ISO 9249:2007 and 80/1269/EEC.

Net Power - 2,400 rpm - ISO 9249, 80/1269/EEC

21HP

Gross Power - SAE J1995:2014

21.6HP

Bore

3in

Stroke

3.2in

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.

Emissions

Meets U.S. EPA Tier 4 Final and EU Stage V emission standards.

Displacement

69in³

Weights

Operating Weight

4473lb

Minimum Operating Weight with Cab*

4075lb

Note (2)

**Maximum Weight is based on steel tracks, operator, expandable undercarriage and full fuel tank.

Note (1)

*Minimum Weight is based on rubber tracks, operator, fixed 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.

EU: CE Plate Weight with Cab***

4409lb

EU: CE Plate Weight with Canopy***

4145lb

Maximum Operating Weight with Cab**

4473lb

Minimum Operating Weight with Canopy*

3803lb

Maximum Operating Weight with Canopy**

4211lb

Dimensions - Long Stick

Dig Depth

101.2in

Boom Swing - Right

50°

Maximum Reach

158.7in

Boom Swing - Left

65°

Maximum Dig Height

142.5in

Swing Bearing - Height

17.4in

Boom Height - Shipping Position

40.2in

Minimum Ground Clearance Below Undercarriage

5.9in

Note

*Overall Shipping Length depends on blade position during shipment.

Track Belt/Shoe Width

9.1in

Stick Length

45.7in

Vertical Wall

76.4in

Maximum Reach - Ground Level

155.9in

Track Width - Expanded

51.18in

O/A Undercarriage Length

62.6in

O/A Shipping Height

90.6in

Maximum Blade Height

10.6in

Overall Shipping Length*

146.1in

Tail Swing

39.2in

Track Width - Retracted

39in

Maximum Blade Depth

10.4in

Boom In Reach

55.9in

Maximum Dump Clearance

103.9in

Blade

Height

8.9in

Width*

39in

Note

*Expanded – 1300 mm (51 in)

Travel System

Ground Pressure - Minimum Weight

3.9psi

Gradeability - Maximum

30 degrees

Travel Speed - Low

1.8mile/h

Maximum Traction Force - High Speed

2675.2lbf

Travel Speed - High

2.7mile/h

Ground Pressure - Maximum Weight

4.3psi

Maximum Traction Force - Low Speed

4136.5lbf

Dimensions - Standard Stick

Boom Swing - Left

65°

Track Width - Retracted

39in

O/A Undercarriage Length

62.6in

Maximum Dump Clearance

100.8in

O/A Shipping Height

90.6in

Dig Depth

93.3in

Boom In Reach

55.9in

Maximum Reach - Ground Level

149.6in

Maximum Blade Depth

10.4in

Stick Length

37.8in

Vertical Wall

72.8in

Boom Height - Shipping Position

42.1in

Track Width - Expanded

51.18in

Overall Shipping Length*

146.5in

Maximum Blade Height

10.6in

Boom Swing - Right

50°

Note

*Overall Shipping Length depends on blade position during shipment.

Minimum Ground Clearance Below Undercarriage

5.9in

Maximum Reach

152.4in

Swing Bearing - Height

17.4in

Maximum Dig Height

139.8in

Track Belt/Shoe Width

9.1in

Tail Swing

39.2in

Certification - Cab and Canopy

Top Guard

ISO 10262:1998 (Level I)

Tip Over Protective Structure (TOPS)

ISO 12117:1997

Roll Over Protective Structure (ROPS)

ISO 12117-2:2008

Weight Increase from Minimum Configuration

Long Stick

18lb

Expandable Undercarriage

271lb

Steel Tracks

110lb

Sound

Note

European Union Directive “2000/14/EC”

Operator Sound Pressure (ISO 6396:2008)

73dB(A)

Average Exterior Sound Pressure (ISO 6395:2008)

93dB(A)

Service Refill Capacities

Fuel Tank

6.9gal (US)

Cooling System

1gal (US)

Hydraulic Tank

4.8gal (US)

Engine Oil

1.2gal (US)

Hydraulic System

6.9gal (US)

Hydraulic System

Operating Pressure - Equipment

3553.4psi

Auxiliary Circuit - Secondary - Flow

3.7gal/min

Digging Force - Bucket

4406.3lbf

Operating Pressure - Travel

3553.4psi

Digging Force - Stick - Long

2203.1lbf

Auxiliary Circuit - Secondary - Pressure

3553.4psi

Operating Pressure - Swing

2132.1psi

Auxiliary Circuit - Primary - Flow

8.7gal/min

Pump Flow at 2,400 rpm

17.4gal/min

Type

Load Sensing Hydraulics with Variable Displacement Piston Pump

Digging Force - Stick - Standard

2540.3lbf

Auxiliary Circuit - Primary - Pressure

3553.4psi

Sustainability

Recyclability

95%

Swing System

Machine Swing Speed

9.8r/min

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 or Tilt-Up Cab
    • 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
    • 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
    • Expandable 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

Optional Equipment:

  • 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)
  • 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
    • 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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