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.

Key Features

More Comfort. More Performance. More Versatility.

4 Industry First Features

Cat Exclusives in a Mini Excavator

Up to 15% Lower Total Ownership Costs

with more common parts, lower repair costs and tilt up cab

Up to 20% More Performance

with programmable operator settings and faster cyle times

Media Gallery

Specifications

Net Power	21 hp
Engine Model	C1.1
Net Power - 2,400 rpm - ISO 9249, 80/1269/EEC	21 hp
Gross Power - SAE J1995:2014	21.6 hp
Bore	3 in
Stroke	3.2 in
Displacement	69 in³
Emissions	Meets U.S. EPA Tier 4 Final and EU Stage V emission standards.
Note	Net power is tested per ISO 9249:2007 and 80/1269/EEC.
Note (1)	Engine power is tested per ISO 14396:2002.
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.

Operating Weight	4473 lb
Minimum Operating Weight with Canopy*	3803 lb
Maximum Operating Weight with Canopy**	4211 lb
Minimum Operating Weight with Cab*	4075 lb
Maximum Operating Weight with Cab**	4473 lb
EU: CE Plate Weight with Canopy***	4145 lb
EU: CE Plate Weight with Cab***	4409 lb
Note (1)	*Minimum Weight is based on rubber tracks, operator, fixed undercarriage and full fuel tank.
Note (2)	**Maximum Weight is based on steel tracks, operator, expandable 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.

Long Stick	18 lb
Steel Tracks	110 lb
Expandable Undercarriage	271 lb

Travel Speed - High	2.7 mile/h
Travel Speed - Low	1.8 mile/h
Maximum Traction Force - High Speed	2675.2 lbf
Maximum Traction Force - Low Speed	4136.5 lbf
Ground Pressure - Minimum Weight	3.9 psi
Ground Pressure - Maximum Weight	4.3 psi
Gradeability - Maximum	30 degrees

Cooling System	1 gal (US)
Engine Oil	1.2 gal (US)
Fuel Tank	6.9 gal (US)
Hydraulic Tank	4.8 gal (US)
Hydraulic System	6.9 gal (US)

Type	Load Sensing Hydraulics with Variable Displacement Piston Pump
Pump Flow at 2,400 rpm	17.4 gpm
Operating Pressure - Equipment	3553.4 psi
Operating Pressure - Travel	3553.4 psi
Operating Pressure - Swing	2132.1 psi
Auxiliary Circuit - Primary - Flow	8.7 gpm
Auxiliary Circuit - Primary - Pressure	3553.4 psi
Auxiliary Circuit - Secondary - Flow	3.7 gpm
Auxiliary Circuit - Secondary - Pressure	3553.4 psi
Digging Force - Stick - Standard	2540.3 lbf
Digging Force - Stick - Long	2203.1 lbf
Digging Force - Bucket	4406.3 lbf

Machine Swing Speed	9.8 r/min

Width*	39 in
Height	8.9 in
Note	*Expanded – 1300 mm (51 in)

Roll Over Protective Structure (ROPS)	ISO 12117-2:2008
Tip Over Protective Structure (TOPS)	ISO 12117:1997
Top Guard	ISO 10262:1998 (Level I)

Dig Depth	93.3 in
Vertical Wall	72.8 in
Maximum Reach - Ground Level	149.6 in
Maximum Reach	152.4 in
Maximum Dig Height	139.8 in
Maximum Dump Clearance	100.8 in
Boom In Reach	55.9 in
Tail Swing	39.2 in
Maximum Blade Height	10.6 in
Maximum Blade Depth	10.4 in
Boom Height - Shipping Position	42.1 in
O/A Shipping Height	90.6 in
Swing Bearing - Height	17.4 in
O/A Undercarriage Length	62.6 in
Overall Shipping Length*	146.5 in
Boom Swing - Right	50 °
Boom Swing - Left	65 °
Track Belt/Shoe Width	9.1 in
Track Width - Retracted	39 in
Track Width - Expanded	51.18 in
Minimum Ground Clearance Below Undercarriage	5.9 in
Stick Length	37.8 in
Note	*Overall Shipping Length depends on blade position during shipment.

Dig Depth	101.2 in
Vertical Wall	76.4 in
Maximum Reach - Ground Level	155.9 in
Maximum Reach	158.7 in
Maximum Dig Height	142.5 in
Maximum Dump Clearance	103.9 in
Boom In Reach	55.9 in
Tail Swing	39.2 in
Maximum Blade Height	10.6 in
Maximum Blade Depth	10.4 in
Boom Height - Shipping Position	40.2 in
O/A Shipping Height	90.6 in
Swing Bearing - Height	17.4 in
O/A Undercarriage Length	62.6 in
Overall Shipping Length*	146.1 in
Boom Swing - Right	50 °
Boom Swing - Left	65 °
Track Belt/Shoe Width	9.1 in
Track Width - Retracted	39 in
Track Width - Expanded	51.18 in
Minimum Ground Clearance Below Undercarriage	5.9 in
Stick Length	45.7 in
Note	*Overall Shipping Length depends on blade position during shipment.

Air Conditioning	The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a or R1234yf (Europe) (Global Warming Potential = 1430). See label or instruction manual for gas refrigerant identification. The system contains 0.75 kg (1.65 lb), 0.90 kg (1.98 lb) or 1.0 kg (2.20 lb) of refrigerant which has a CO2 equivalent of 1.430 metric tonnes (1.576 tons) for R134a and 0.001 tonnes (0.001 tons) for R1234yf (Europe).

Air Conditioning

The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a or R1234yf (Europe) (Global Warming Potential = 1430). See label or instruction manual for gas refrigerant identification. The system contains 0.75 kg (1.65 lb), 0.90 kg (1.98 lb) or 1.0 kg (2.20 lb) of refrigerant which has a CO2 equivalent of 1.430 metric tonnes (1.576 tons) for R134a and 0.001 tonnes (0.001 tons) for R1234yf (Europe).