301.8 Mini Hydraulic Excavator
The Cat® 301.8 Mini Excavator delivers power and performance in a compact size to help you work in a wide range of applications.
Specifications
Equipment
Product Brochures
Attachments
Units:
Engine
Net Power
21 hp
15.7 kW
Weights
Operating Weight
4473 lb
2029 kg
Dimensions - Long Stick
Dig Depth
101.2 in
2570 mm
Engine
Engine Model
C1.1
Blade
Height
8.9 in
225 mm
Travel System
Travel Speed - Low
1.8 mile/h
2.9 km/h
Dimensions - Standard Stick
Boom In Reach
55.9 in
1420 mm
Travel System
Maximum Traction Force - High Speed
2675.2 lbf
11.9 kN
Hydraulic System
Operating Pressure - Equipment
3553.4 psi
245 bar
Certification - Cab and Canopy
Tip Over Protective Structure (TOPS)
ISO 12117:1997
Weights
Maximum Operating Weight with Cab**
4473 lb
2029 kg
Dimensions - Long Stick
Stick Length
45.7 in
1160 mm
Hydraulic System
Auxiliary Circuit - Secondary - Flow
3.7 gal/min
14 l/min
Travel System
Travel Speed - High
2.7 mile/h
4.4 km/h
Certification - Cab and Canopy
Roll Over Protective Structure (ROPS)
ISO 12117-2:2008
Dimensions - Standard Stick
Maximum Reach - Ground Level
149.6 in
3800 mm
Maximum Blade Depth
10.4 in
265 mm
Hydraulic System
Digging Force - Bucket
4406.3 lbf
19.6 kN
Travel System
Ground Pressure - Maximum Weight
4.3 psi
29.6 kPa
Dimensions - Long Stick
Vertical Wall
76.4 in
1940 mm
Service Refill Capacities
Cooling System
1 gal (US)
3.9 l
Dimensions - Standard Stick
Stick Length
37.8 in
960 mm
Dimensions - Long Stick
Maximum Reach - Ground Level
155.9 in
3960 mm
Dimensions - Standard Stick
Vertical Wall
72.8 in
1850 mm
Boom Height - Shipping Position
42.1 in
1070 mm
Dimensions - Long Stick
Track Width - Expanded
51.18 in
1300 mm
O/A Undercarriage Length
62.6 in
1590 mm
Weights
Minimum Operating Weight with Canopy*
3803 lb
1725 kg
Engine
Stroke
3.2 in
81 mm
Dimensions - Long Stick
O/A Shipping Height
90.6 in
2300 mm
Dimensions - Standard Stick
Track Width - Expanded
51.18 in
1300 mm
Overall Shipping Length*
146.5 in
3720 mm
Dimensions - Long Stick
Maximum Blade Height
10.6 in
270 mm
Sound
Operator Sound Pressure (ISO 6396:2008)
73 dB(A)
73 dB(A)
Hydraulic System
Operating Pressure - Travel
3553.4 psi
245 bar
Digging Force - Stick - Long
2203.1 lbf
9.8 kN
Dimensions - Standard Stick
Maximum Blade Height
10.6 in
270 mm
Hydraulic System
Auxiliary Circuit - Secondary - Pressure
3553.4 psi
245 bar
Dimensions - Long Stick
Overall Shipping Length*
146.1 in
3710 mm
Dimensions - Standard Stick
Boom Swing - Right
50 °
50 °
Note
*Overall Shipping Length depends on blade position during shipment.
Hydraulic System
Operating Pressure - Swing
2132.1 psi
147 bar
Auxiliary Circuit - Primary - Flow
8.7 gal/min
33 l/min
Service Refill Capacities
Hydraulic Tank
4.8 gal (US)
18 l
Travel System
Maximum Traction Force - Low Speed
4136.5 lbf
18.4 kN
Hydraulic System
Pump Flow at 2,400 rpm
17.4 gal/min
66 l/min
Dimensions - Long Stick
Tail Swing
39.2 in
995 mm
Blade
Width*
39 in
990 mm
Engine
Bore
3 in
77 mm
Hydraulic System
Type
Load Sensing Hydraulics with Variable Displacement Piston Pump
Dimensions - Standard Stick
Minimum Ground Clearance Below Undercarriage
5.9 in
150 mm
Service Refill Capacities
Engine Oil
1.2 gal (US)
4.4 l
Dimensions - Long Stick
Track Width - Retracted
39 in
990 mm
Hydraulic System
Digging Force - Stick - Standard
2540.3 lbf
11.3 kN
Blade
Note
*Expanded – 1300 mm (51 in)
Weight Increase from Minimum Configuration
Steel Tracks
110 lb
50 kg
Dimensions - Standard Stick
Maximum Reach
152.4 in
3870 mm
Dimensions - Long Stick
Maximum Blade Depth
10.4 in
265 mm
Engine
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.
Hydraulic System
Auxiliary Circuit - Primary - Pressure
3553.4 psi
245 bar
Sound
Average Exterior Sound Pressure (ISO 6395:2008)
93 dB(A)
93 dB(A)
Dimensions - Standard Stick
Swing Bearing - Height
17.4 in
442 mm
Maximum Dig Height
139.8 in
3550 mm
Weights
Maximum Operating Weight with Canopy**
4211 lb
1905 kg
Dimensions - Long Stick
Boom In Reach
55.9 in
1420 mm
Service Refill Capacities
Fuel Tank
6.9 gal (US)
26 l
Dimensions - Standard Stick
Track Belt/Shoe Width
9.1 in
230 mm
Dimensions - Long Stick
Maximum Dump Clearance
103.9 in
2640 mm
Service Refill Capacities
Hydraulic System
6.9 gal (US)
26 l
Dimensions - Standard Stick
Tail Swing
39.2 in
995 mm
Swing System
Machine Swing Speed
9.8 r/min
9.8 r/min
Dimensions - Long Stick
Boom Swing - Right
50 °
50 °
Maximum Reach
158.7 in
4030 mm
Engine
Displacement
69 in³
1.1 l
Dimensions - Long Stick
Boom Swing - Left
65 °
65 °
Engine
Note (1)
Engine power is tested per ISO 14396:2002.
Travel System
Ground Pressure - Minimum Weight
3.9 psi
26.8 kPa
Dimensions - Standard Stick
Boom Swing - Left
65 °
65 °
Dimensions - Long Stick
Maximum Dig Height
142.5 in
3620 mm
Dimensions - Standard Stick
Track Width - Retracted
39 in
990 mm
Dimensions - Long Stick
Swing Bearing - Height
17.4 in
442 mm
Weights
Minimum Operating Weight with Cab*
4075 lb
1848 kg
Dimensions - Long Stick
Boom Height - Shipping Position
40.2 in
1020 mm
Minimum Ground Clearance Below Undercarriage
5.9 in
150 mm
Dimensions - Standard Stick
O/A Undercarriage Length
62.6 in
1590 mm
Maximum Dump Clearance
100.8 in
2560 mm
Dimensions - Long Stick
Note
*Overall Shipping Length depends on blade position during shipment.
Dimensions - Standard Stick
O/A Shipping Height
90.6 in
2300 mm
Travel System
Gradeability - Maximum
30 degrees
Engine
Note
Net power is tested per ISO 9249:2007 and 80/1269/EEC.
Weights
Note (2)
**Maximum Weight is based on steel tracks, operator, expandable undercarriage and full fuel tank.
Dimensions - Standard Stick
Dig Depth
93.3 in
2370 mm
Certification - Cab and Canopy
Top Guard
ISO 10262:1998 (Level I)
Weights
Note (1)
*Minimum Weight is based on rubber tracks, operator, fixed undercarriage and full fuel tank.
Dimensions - Long Stick
Track Belt/Shoe Width
9.1 in
230 mm
Weight Increase from Minimum Configuration
Long Stick
18 lb
8 kg
Sound
Note
European Union Directive “2000/14/EC”
Weight Increase from Minimum Configuration
Expandable Undercarriage
271 lb
123 kg
Weights
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.
Engine
Net Power - 2,400 rpm - ISO 9249, 80/1269/EEC
21 hp
15.7 kW
Weights
EU: CE Plate Weight with Cab***
4409 lb
2000 kg
EU: CE Plate Weight with Canopy***
4145 lb
1880 kg
Engine
Gross Power - SAE J1995:2014
21.6 hp
16.1 kW
Sustainability
Recyclability
95%
Standard Equipment
ENGINE
HYDRAULICS
GUARDING
OPERATOR ENVIRONMENT
UNDERCARRIAGE
BOOM, STICK AND LINKAGES
ELECTRICAL
Brochures
