301.8 Mini Hydraulic Excavator

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

ID Number M22656
Model 301.8
Model Year 2021
Serial Number 0H8X05441
Location PLEASANT GROVE 7518
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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.
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
Displacement 69in³

Weights

Operating Weight 4473lb
Minimum Operating Weight with Canopy* 3803lb
Maximum Operating Weight with Cab** 4473lb
Minimum Operating Weight with Cab* 4075lb
Maximum Operating Weight with Canopy** 4211lb
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
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.

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°
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
Note *Overall Shipping Length depends on blade position during shipment.

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

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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