406

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.

  • Specifications

  • Standard/Optional Equipment

  • 360° Tours

  • Catalog

Engine

Net Power

21hp

Engine Model

C1.1

Stroke

3.2in

Bore

3in

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

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

Weights

Operating Weight

4473lb

Maximum Operating Weight with Cab**

4473lb

Minimum Operating Weight with Canopy*

3803lb

Maximum Operating Weight with Canopy**

4211lb

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

Dimensions - Long Stick

Dig Depth

101.2in

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

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

Blade

Height

8.9in

Width*

39in

Note

*Expanded – 1300 mm (51 in)

Travel System

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

Ground Pressure - Minimum Weight

3.9psi

Gradeability - Maximum

30 degrees

Dimensions - Standard Stick

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

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

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

Certification - Cab and Canopy

Tip Over Protective Structure (TOPS)

ISO 12117:1997

Roll Over Protective Structure (ROPS)

ISO 12117-2:2008

Top Guard

ISO 10262:1998 (Level I)

Service Refill Capacities

Cooling System

1gal (US)

Hydraulic Tank

4.8gal (US)

Engine Oil

1.2gal (US)

Fuel Tank

6.9gal (US)

Hydraulic System

6.9gal (US)

Sound

Operator Sound Pressure (ISO 6396:2008)

73dB(A)

Average Exterior Sound Pressure (ISO 6395:2008)

93dB(A)

Note

European Union Directive “2000/14/EC”

Weight Increase from Minimum Configuration

Steel Tracks

110lb

Long Stick

18lb

Expandable Undercarriage

271lb

Swing System

Machine Swing Speed

9.8r/min

Sustainability

Recyclability

95%

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

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

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

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

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

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

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

OTHER

Bio Oil Capable

Eco Drain

Water Jacket Heater

OTHER

Bio Oil Capable

Eco Drain

Water Jacket Heater

OTHER

Bio Oil Capable

Eco Drain

Water Jacket Heater

OTHER

Bio Oil Capable

Eco Drain

Water Jacket Heater

OTHER

Bio Oil Capable

Eco Drain

Water Jacket Heater

OTHER

Bio Oil Capable

Eco Drain

Water Jacket Heater

360° Exterior Tour

360° Interior Tour

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