ALL DAY COMFORT
Main content
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.
Media
Photos
Videos
360° View
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
EASY TO OPERATE
STICK STEER TRAVEL MODE
BIG PERFORMANCE IN A COMPACT DESIGN
SAFETY ON THE JOB SITE
SIMPLE SERVICE FOR LESS DOWNTIME
LOWER OPERATING COSTS
SUSTAINABILITY
Details
Specifications
Engine
| 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 |
Weights
| 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 |
Dimensions - Long Stick
| 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 |
Blade
| Spec | Value |
|---|---|
| Height | 8.9 in 225 mm |
| Width* | 39 in 990 mm |
| Note | *Expanded – 1300 mm (51 in) *Expanded – 1300 mm (51 in) |
Travel System
| 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 |
Dimensions - Standard Stick
| 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 |
Hydraulic System
| 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 |
Certification - Cab and Canopy
| 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) |
Service Refill Capacities
| 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 |
Sound
| 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” |
Weight Increase from Minimum Configuration
| Spec | Value |
|---|---|
| Steel Tracks | 110 lb 50 kg |
| Long Stick | 18 lb 8 kg |
| Expandable Undercarriage | 271 lb 123 kg |
Swing System
| Spec | Value |
|---|---|
| Machine Swing Speed | 9.8 r/min 9.8 r/min |
Sustainability
| Spec | Value |
|---|---|
| Recyclability | 95% 95% |
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
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
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)
- Expandable Undercarriage
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
- Lock Out/Tag Out 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
Related Products
Augers
Digging Buckets - Mini Excavator
Ditch Cleaning Buckets - Mini Excavator
Grading Buckets - Mini Excavator
A11
300 mm (12 in)
230 mm (9 in)
400 mm (16 in)
460 mm (18 in)
500 mm (20 in)
600 mm (24 in)
800 mm (32 in)
1000 mm (40 in)
1000 mm (39 in)