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Caterpillar

301.8 Mini Hydraulic Excavator

Net Power

21 HP

15.7 kW

Operating Weight

4473 lb

2029 kg

Dig Depth

101.2 in

2570 mm

Overview

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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Exterior

Model shown represents features on all Cat® Mini Excavators except where indicated.

Interior

Model shown represents features on all Cat® Mini Excavators except where indicated.

Features

Details

Specifications

Spec Value
Net Power 21 HP 15.7 kW
Engine Model C1.1 C1.1
Stroke 3.2 in 81 mm
Bore 3 in 77 mm
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. 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. Meets U.S. EPA Tier 4 Final and EU Stage V emission standards.
Displacement 69 in³ 1.1 l
Note (1) Engine power is tested per ISO 14396:2002. Engine power is tested per ISO 14396:2002.
Note Net power is tested per ISO 9249:2007 and 80/1269/EEC. Net power is tested per ISO 9249:2007 and 80/1269/EEC.
Net Power – 2,400 rpm – ISO 9249, 80/1269/EEC 21 HP 15.7 kW
Gross Power – SAE J1995:2014 21.6 HP 16.1 kW
Spec Value
Operating Weight 4473 lb 2029 kg
Maximum Operating Weight with Cab** 4473 lb 2029 kg
Minimum Operating Weight with Canopy* 3803 lb 1725 kg
Maximum Operating Weight with Canopy** 4211 lb 1905 kg
Minimum Operating Weight with Cab* 4075 lb 1848 kg
Note (2) **Maximum Weight is based on steel tracks, operator, expandable undercarriage and full fuel tank. **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. *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. ***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*** 4409 lb 2000 kg
EU: CE Plate Weight with Canopy*** 4145 lb 1880 kg
Spec Value
Dig Depth 101.2 in 2570 mm
Stick Length 45.7 in 1160 mm
Vertical Wall 76.4 in 1940 mm
Maximum Reach – Ground Level 155.9 in 3960 mm
Track Width – Expanded 51.18 in 1300 mm
O/A Undercarriage Length 62.6 in 1590 mm
O/A Shipping Height 90.6 in 2300 mm
Maximum Blade Height 10.6 in 270 mm
Overall Shipping Length* 146.1 in 3710 mm
Tail Swing 39.2 in 995 mm
Track Width – Retracted 39 in 990 mm
Maximum Blade Depth 10.4 in 265 mm
Boom In Reach 55.9 in 1420 mm
Maximum Dump Clearance 103.9 in 2640 mm
Boom Swing – Right 50 ° 50 °
Maximum Reach 158.7 in 4030 mm
Boom Swing – Left 65 ° 65 °
Maximum Dig Height 142.5 in 3620 mm
Swing Bearing – Height 17.4 in 442 mm
Boom Height – Shipping Position 40.2 in 1020 mm
Minimum Ground Clearance Below Undercarriage 5.9 in 150 mm
Note *Overall Shipping Length depends on blade position during shipment. *Overall Shipping Length depends on blade position during shipment.
Track Belt/Shoe Width 9.1 in 230 mm
Spec Value
Height 8.9 in 225 mm
Width* 39 in 990 mm
Note *Expanded – 1300 mm (51 in) *Expanded – 1300 mm (51 in)
Spec Value
Travel Speed – Low 1.8 mile/h 2.9 km/h
Maximum Traction Force – High Speed 2675.2 lbf 11.9 kN
Travel Speed – High 2.7 mile/h 4.4 km/h
Ground Pressure – Maximum Weight 4.3 psi 29.6 kPa
Maximum Traction Force – Low Speed 4136.5 lbf 18.4 kN
Ground Pressure – Minimum Weight 3.9 psi 26.8 kPa
Gradeability – Maximum 30 degrees 30 degrees
Spec Value
Boom In Reach 55.9 in 1420 mm
Maximum Reach – Ground Level 149.6 in 3800 mm
Maximum Blade Depth 10.4 in 265 mm
Stick Length 37.8 in 960 mm
Vertical Wall 72.8 in 1850 mm
Boom Height – Shipping Position 42.1 in 1070 mm
Track Width – Expanded 51.18 in 1300 mm
Overall Shipping Length* 146.5 in 3720 mm
Maximum Blade Height 10.6 in 270 mm
Boom Swing – Right 50 ° 50 °
Note *Overall Shipping Length depends on blade position during shipment. *Overall Shipping Length depends on blade position during shipment.
Minimum Ground Clearance Below Undercarriage 5.9 in 150 mm
Maximum Reach 152.4 in 3870 mm
Swing Bearing – Height 17.4 in 442 mm
Maximum Dig Height 139.8 in 3550 mm
Track Belt/Shoe Width 9.1 in 230 mm
Tail Swing 39.2 in 995 mm
Boom Swing – Left 65 ° 65 °
Track Width – Retracted 39 in 990 mm
O/A Undercarriage Length 62.6 in 1590 mm
Maximum Dump Clearance 100.8 in 2560 mm
O/A Shipping Height 90.6 in 2300 mm
Dig Depth 93.3 in 2370 mm
Spec Value
Operating Pressure – Equipment 3553.4 psi 245 bar
Auxiliary Circuit – Secondary – Flow 3.7 gal/min 14 l/min
Digging Force – Bucket 4406.3 lbf 19.6 kN
Operating Pressure – Travel 3553.4 psi 245 bar
Digging Force – Stick – Long 2203.1 lbf 9.8 kN
Auxiliary Circuit – Secondary – Pressure 3553.4 psi 245 bar
Operating Pressure – Swing 2132.1 psi 147 bar
Auxiliary Circuit – Primary – Flow 8.7 gal/min 33 l/min
Pump Flow at 2,400 rpm 17.4 gal/min 66 l/min
Type Load Sensing Hydraulics with Variable Displacement Piston Pump Load Sensing Hydraulics with Variable Displacement Piston Pump
Digging Force – Stick – Standard 2540.3 lbf 11.3 kN
Auxiliary Circuit – Primary – Pressure 3553.4 psi 245 bar
Spec Value
Tip Over Protective Structure (TOPS) ISO 12117:1997 ISO 12117:1997
Roll Over Protective Structure (ROPS) ISO 12117-2:2008 ISO 12117-2:2008
Top Guard ISO 10262:1998 (Level I) ISO 10262:1998 (Level I)
Spec Value
Cooling System 1 gal (US) 3.9 l
Hydraulic Tank 4.8 gal (US) 18 l
Engine Oil 1.2 gal (US) 4.4 l
Fuel Tank 6.9 gal (US) 26 l
Hydraulic System 6.9 gal (US) 26 l
Spec Value
Operator Sound Pressure (ISO 6396:2008) 73 dB(A) 73 dB(A)
Average Exterior Sound Pressure (ISO 6395:2008) 93 dB(A) 93 dB(A)
Note European Union Directive “2000/14/EC” European Union Directive “2000/14/EC”
Spec Value
Steel Tracks 110 lb 50 kg
Long Stick 18 lb 8 kg
Expandable Undercarriage 271 lb 123 kg
Spec Value
Machine Swing Speed 9.8 r/min 9.8 r/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
  • 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

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
  • Machine Security – 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

  • Guard, Canopy
  • Guard, Mesh

OTHER

  • Bio Oil Capable
  • Eco Drain
  • Water Jacket Heater
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