301.8 Mini Hydraulic Excavator
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.
Engine
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| Net Power |
21HP |
| Engine Model |
C1.1 |
| 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. |
| Stroke |
3.2in |
| 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 |
| Bore |
3in |
| Displacement |
69in³ |
Weights
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| Operating Weight |
4473lb |
| 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. |
| Minimum Operating Weight with Canopy* |
3803lb |
| Maximum Operating Weight with Canopy** |
4211lb |
| Maximum Operating Weight with Cab** |
4473lb |
| Minimum Operating Weight with Cab* |
4075lb |
| 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
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| Dig Depth |
101.2in |
| Vertical Wall |
76.4in |
| Track Width - Retracted |
39in |
| Track Width - Expanded |
51.18in |
| Track Belt/Shoe Width |
9.1in |
| Tail Swing |
39.2in |
| Swing Bearing - Height |
17.4in |
| Stick Length |
45.7in |
| Overall Shipping Length* |
146.1in |
| O/A Undercarriage Length |
62.6in |
| O/A Shipping Height |
90.6in |
| Note |
*Overall Shipping Length depends on blade position during shipment. |
| Minimum Ground Clearance Below Undercarriage |
5.9in |
| Maximum Reach - Ground Level |
155.9in |
| Maximum Reach |
158.7in |
| Maximum Dump Clearance |
103.9in |
| Maximum Dig Height |
142.5in |
| Maximum Blade Height |
10.6in |
| Maximum Blade Depth |
10.4in |
| Boom Swing - Right |
50° |
| Boom Swing - Left |
65° |
| Boom In Reach |
55.9in |
| Boom Height - Shipping Position |
40.2in |
Blade
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| Height |
8.9in |
| Note |
*Expanded – 1300 mm (51 in) |
| Width* |
39in |
Weight Increase from Minimum Configuration
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| Steel Tracks |
110lb |
| Long Stick |
18lb |
| Expandable Undercarriage |
271lb |
Travel System
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| Travel Speed - Low |
1.8mile/h |
| Travel Speed - High |
2.7mile/h |
| Maximum Traction Force - Low Speed |
4136.5lbf |
| Maximum Traction Force - High Speed |
2675.2lbf |
| Ground Pressure - Minimum Weight |
3.9psi |
| Ground Pressure - Maximum Weight |
4.3psi |
| Gradeability - Maximum |
30 degrees |
Swing System
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| Machine Swing Speed |
9.8r/min |
Sound
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| Operator Sound Pressure (ISO 6396:2008) |
73dB(A) |
| Note |
European Union Directive “2000/14/EC” |
| Average Exterior Sound Pressure (ISO 6395:2008) |
93dB(A) |
Service Refill Capacities
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| Hydraulic Tank |
4.8gal (US) |
| Hydraulic System |
6.9gal (US) |
| Engine Oil |
1.2gal (US) |
| Cooling System |
1gal (US) |
| Fuel Tank |
6.9gal (US) |
Hydraulic System
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| Type |
Load Sensing Hydraulics with Variable Displacement Piston Pump |
| Pump Flow at 2,400 rpm |
17.4gal/min |
| Operating Pressure - Travel |
3553.4psi |
| Operating Pressure - Swing |
2132.1psi |
| Operating Pressure - Equipment |
3553.4psi |
| Digging Force - Stick - Standard |
2540.3lbf |
| Digging Force - Stick - Long |
2203.1lbf |
| Digging Force - Bucket |
4406.3lbf |
| Auxiliary Circuit - Secondary - Pressure |
3553.4psi |
| Auxiliary Circuit - Secondary - Flow |
3.7gal/min |
| Auxiliary Circuit - Primary - Pressure |
3553.4psi |
| Auxiliary Circuit - Primary - Flow |
8.7gal/min |
Dimensions - Standard Stick
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| Maximum Reach |
152.4in |
| Maximum Dump Clearance |
100.8in |
| Maximum Dig Height |
139.8in |
| Maximum Blade Height |
10.6in |
| Maximum Blade Depth |
10.4in |
| Dig Depth |
93.3in |
| Boom Swing - Right |
50° |
| Boom Swing - Left |
65° |
| Boom In Reach |
55.9in |
| Boom Height - Shipping Position |
42.1in |
| Vertical Wall |
72.8in |
| Track Width - Retracted |
39in |
| Track Width - Expanded |
51.18in |
| Track Belt/Shoe Width |
9.1in |
| Tail Swing |
39.2in |
| Swing Bearing - Height |
17.4in |
| Stick Length |
37.8in |
| Overall Shipping Length* |
146.5in |
| O/A Undercarriage Length |
62.6in |
| O/A Shipping Height |
90.6in |
| Minimum Ground Clearance Below Undercarriage |
5.9in |
| Maximum Reach - Ground Level |
149.6in |
| Note |
*Overall Shipping Length depends on blade position during shipment. |
Certification - Cab and Canopy
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| Top Guard |
ISO 10262:1998 (Level I) |
| Tip Over Protective Structure (TOPS) |
ISO 12117:1997 |
| Roll Over Protective Structure (ROPS) |
ISO 12117-2:2008 |
Standard Equipment:
Engine
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Cat C1.1 Engine (U.S. EPA Tier 4 Final/EU Stage V)
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Automatic Engine Idle
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Automatic Engine Shutdown
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Automatic Two Speed Travel
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Fuel Water Separator
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Power on Demand (not available in all regions)
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Variable Displacement Piston Pump
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Load Sensing/Flow Sharing Hydraulics
Hydraulics
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Smart Tech Electronic Pump
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Accumulator
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Automatic Swing Brake
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Auxiliary Hydraulic Lines
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One and Two Way Auxiliary Flow
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Continuous Auxiliary Flow
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Auxiliary Line Quick Disconnects
Operator Environment
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Tilt-up Canopy or Tilt-Up Cab
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Top Guard ISO 10262:1998 Level I
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ROPS – ISO 12117-2:2008
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TOPS – ISO 12117:1997
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Machine 2-Point Lifting
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Stick Steer Mode
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Travel Cruise Control
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Control Pattern Changer (optional in some regions)
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Adjustable Wrist Rests
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Washable Floor Mat
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Travel Pedals and Hand Levers
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Machine Security
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Standard Key with Pass Code
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Vinyl Non-Suspension Seat
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Fabric Suspension Seat (Cab only)
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Hydraulic Lockout – All Controls
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Retractable High Visibility Seat Belt (75 mm/3 in)
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Coat Hook
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Cup Holder
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Storage Pocket
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Skylight
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Mounting Bosses for Front
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Signaling/Warning Horn
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Interior Light (Cab only)
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Boom Light, Halogen
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Utility Space for Mobile Phone
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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
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Seat Belt Reminder System
Undercarriage
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Expandable Undercarriage
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Rubber Belt (250 mm/10 in wide)
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Dozer Blade
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Dozer Blade Float
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Hydraulic Track Adjusters
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Tie Downs on Track Frame
Boom, Stick And Linkages
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One Piece Boom (1850 mm/73 in)
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Standard Stick (960 mm/37.8 in)
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Front Shovel Capable
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Front Shovel Capable – Pin-On
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Thumb Ready (not available in all regions)
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Certified Lifting Eye (optional in some regions)
Electrical
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12 Volt Battery
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Software (machine and monitor)
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Maintenance Free Battery
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Signaling/Warning Horn
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12 Volt Power Socket
Optional Equipment:
Operator Environment
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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
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Steel Track (250 mm/10 in wide)
Boom, Stick And Linkages
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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
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Battery Disconnect
Product Link PL243 (regulations apply)
Product Link PLE643 (regulations apply)
Travel Alarm (standard in some regions)
Guarding
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Polycarbonate Half Height Front Guard (Canopy only)
Polycarbonate Front Guard (ISO 10262:1998 Level 1 and EN356 PSA)
Other
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Bio Oil Capable
Eco Drain
Water Jacket Heater
