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301.8 Mini Hydraulic Excavator

Net Power

21 HP

Operating Weight

4,473 lb

Dig Depth

101.2 in

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SPECIFICATIONS

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

FULL SPECIFICATIONS

Blade

Height

8.9 in

Note

*Expanded – 1300 mm (51 in)

Width*

39 in

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)

Dimensions - Long Stick

Dig Depth

101.2 in

Boom Swing - Right

50 °

Maximum Dump Clearance

103.9 in

Minimum Ground Clearance Below Undercarriage

5.9 in

Stick Length

45.7 in

Vertical Wall

76.4 in

Maximum Reach - Ground Level

155.9 in

Track Width - Expanded

51.18 in

O/A Undercarriage Length

62.6 in

Maximum Blade Depth

10.4 in

O/A Shipping Height

90.6 in

Maximum Blade Height

10.6 in

Boom In Reach

55.9 in

Maximum Reach

158.7 in

Boom Swing - Left

65 °

Overall Shipping Length*

146.1 in

Maximum Dig Height

142.5 in

Swing Bearing - Height

17.4 in

Boom Height - Shipping Position

40.2 in

Note

*Overall Shipping Length depends on blade position during shipment.

Tail Swing

39.2 in

Track Belt/Shoe Width

9.1 in

Track Width - Retracted

39 in

Dimensions - Standard Stick

Maximum Reach

152.4 in

O/A Shipping Height

90.6 in

Track Width - Retracted

39 in

Boom In Reach

55.9 in

Dig Depth

93.3 in

Maximum Reach - Ground Level

149.6 in

Swing Bearing - Height

17.4 in

Maximum Blade Depth

10.4 in

Tail Swing

39.2 in

Boom Swing - Left

65 °

Stick Length

37.8 in

Maximum Dump Clearance

100.8 in

Vertical Wall

72.8 in

Boom Height - Shipping Position

42.1 in

Track Width - Expanded

51.18 in

Overall Shipping Length*

146.5 in

Maximum Dig Height

139.8 in

Track Belt/Shoe Width

9.1 in

Maximum Blade Height

10.6 in

Boom Swing - Right

50 °

Note

*Overall Shipping Length depends on blade position during shipment.

O/A Undercarriage Length

62.6 in

Minimum Ground Clearance Below Undercarriage

5.9 in

Engine

Net Power

21 HP

Engine Model

C1.1

Note (1)

Engine power is tested per ISO 14396:2002.

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

21 HP

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.

Displacement

69 in³

Note

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

Stroke

3.2 in

Emissions

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

Bore

3 in

Gross Power - SAE J1995:2014

21.6 HP

Hydraulic System

Auxiliary Circuit - Primary - Pressure

3,553.4 psi

Operating Pressure - Equipment

3,553.4 psi

Auxiliary Circuit - Secondary - Flow

3.7 gal/min

Digging Force - Bucket

4,406.3 lbf

Digging Force - Stick - Standard

2,540.3 lbf

Operating Pressure - Travel

3,553.4 psi

Digging Force - Stick - Long

2,203.1 lbf

Auxiliary Circuit - Secondary - Pressure

3,553.4 psi

Operating Pressure - Swing

2,132.1 psi

Auxiliary Circuit - Primary - Flow

8.7 gal/min

Pump Flow at 2,400 rpm

17.4 gal/min

Type

Load Sensing Hydraulics with Variable Displacement Piston Pump

Service Refill Capacities

Fuel Tank

6.9 gal (US)

Cooling System

1 gal (US)

Hydraulic System

6.9 gal (US)

Hydraulic Tank

4.8 gal (US)

Engine Oil

1.2 gal (US)

Sound

Average Exterior Sound Pressure (ISO 6395:2008)

93 dB(A)

Operator Sound Pressure (ISO 6396:2008)

73 dB(A)

Note

European Union Directive “2000/14/EC”

Sustainability

Recyclability

95%

Swing System

Machine Swing Speed

9.8 r/min

Travel System

Maximum Traction Force - High Speed

2,675.2 lbf

Travel Speed - Low

1.8 mile/h

Travel Speed - High

2.7 mile/h

Ground Pressure - Maximum Weight

4.3 psi

Ground Pressure - Minimum Weight

3.9 psi

Maximum Traction Force - Low Speed

4,136.5 lbf

Gradeability - Maximum

30 degrees

Weight Increase from Minimum Configuration

Long Stick

18 lb

Expandable Undercarriage

271 lb

Steel Tracks

110 lb

Weights

Operating Weight

4,473 lb

Maximum Operating Weight with Canopy**

4,211 lb

Maximum Operating Weight with Cab**

4,473 lb

Minimum Operating Weight with Cab*

4,075 lb

Note (1)

*Minimum Weight is based on rubber tracks, operator, fixed undercarriage and full fuel tank.

EU: CE Plate Weight with Canopy***

4,145 lb

Minimum Operating Weight with Canopy*

3,803 lb

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.

EU: CE Plate Weight with Cab***

4,409 lb

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