Caterpillar 301.8 Mini Excavator Specs

Category: Mini Excavators ➔
Manufacturer: Caterpillar ➔
Model: 301.8 ➔

The Caterpillar 301.8 is a compact mini excavator designed for small-scale excavation, trenching, grading, and utility work in confined job sites. As part of Caterpillar's mini excavator lineup, the 301.8 offers a small operating footprint, reduced tail swing, and maneuverability for work in urban areas, landscaping, construction, and rental fleets. It is commonly used for digging foundations, site preparation, and material handling where larger excavators cannot operate efficiently. The Caterpillar 301.8 is valued for transportability, versatility, and compatibility with a range of attachments, making it suitable for contractors needing a lightweight excavator for tight-access applications.

General Specifications

Caterpillar 301.8 Mini Excavator General Specifications specifications
Digging Depth	8.40 ft (2.56 m) — Starting 2025 Model Year
Digging Reach	14.00 ft (4.27 m) — Starting 2025 Model Year
Engine	19.20 hp (14.32 kw) — Starting 2025 Model Year
Max Digging Depth	101.2 in ft (30.85 m) — Starting 2023 Model Year
Net Power	21.00 hp (15.66 kw) — Starting 2023 Model Year
Operating Weight	4,464.00 lbs (2,024.84 kg) — Starting 2025 Model Year

Blades

Caterpillar 301.8 Mini Excavator Blades specifications
Blade Height	10.00 in (25.40 cm)
Blade Lift Height	8.00 in (20.32 cm)
Blade Width	45.00 ft (13.72 m)
Dig Depth	9.00 in (22.86 cm)

Dimensions

Caterpillar 301.8 Mini Excavator Dimensions specifications
Center Ground Clearance	0.10 ft (0.03 m)
Height - Over Cab	0.60 ft (0.18 m)
Height - Over Canopy	0.60 ft (0.18 m)
Maximum Cutting Height - Long Stick	1.00 ft (0.30 m)
Maximum Cutting Height - Standard Stick	1.00 ft (0.30 m)
Maximum Digging Depth - Long Stick	0.70 ft (0.21 m)
Maximum Digging Depth - Standard Stick	0.70 ft (0.21 m)
Maximum Dump Height - Long Stick	0.70 ft (0.21 m)
Maximum Dump Height - Standard Stick	0.70 ft (0.21 m)
Maximum Horizontal Reach - Long Stick	1.10 ft (0.34 m)
Maximum Horizontal Reach - Standard Stick	1.10 ft (0.34 m)
Maximum Reach - Ground Level - Long Stick	1.10 ft (0.34 m)
Maximum Reach - Ground Level - Standard Stick	1.00 ft (0.30 m)
Maximum Vertical Dig Depth - Long Stick	0.50 ft (0.15 m)
Shipping Length	1.10 ft (0.34 m)
Stick Length - Standard Stick	0.30 ft (0.09 m)
Swing Radius - Rear	0.30 ft (0.09 m)
Track Gauge	0.30 ft (0.09 m)
Track Shoe Width	0.80 ft (0.24 m)
Width - Over Track	0.30 ft (0.09 m)
Width - Upper Structure	0.30 ft (0.09 m)

Electrical System

Caterpillar 301.8 Mini Excavator Electrical System specifications
Electrical System Type	Twelve-volt system

Engine

Caterpillar 301.8 Mini Excavator Engine specifications
Bore	3.00 in (7.62 cm)
Displacement	58.20 cu in (953.73 cu cm)
Engine Model	3003
Gross Power	18.40 hp (13.72 kw)
Net Power	17.40 hp (12.98 kw)
Stroke	3.00 in (7.62 cm)

Hydraulic System

Caterpillar 301.8 Mini Excavator Hydraulic System specifications
Auxiliary Circuit - Primary (245 bar/3,553 psi)	8.40 gpm (31.79 lpm)
Digging Force - Bucket	2,844.00 lbs (1,290.02 kg)
Digging Force - Stick - Long	1,609.00 lbs (729.83 kg)
Digging Force - Stick - Standard	1,984.00 lbs (899.93 kg)
Operating Pressure - Equipment	2734 psi
Operating Pressure - Swing	2528 psi
Operating Pressure - Travel	2734 psi
Pump - Gear (Single)	4.50 gpm (17.03 lpm)
Pump - Gear (Tandem)	4.20 gpm (15.90 lpm)

Service Refill Capacities

Caterpillar 301.8 Mini Excavator Service Refill Capacities specifications
Cooling System TAG	1.20 gal (4.54 l)
Engine Oil	0.90 gal (3.41 l)
Fuel Tank	5.80 gal (21.95 l)
Hydraulic System	9.80 gal (37.09 l)
Hydraulic Tank	5.30 gal (20.06 l)

Swing System

Caterpillar 301.8 Mini Excavator Swing System specifications
Boom Swing - Left - With Stop	54 degrees
Boom Swing - Left - Without Stop	90 degrees
Boom Swing - Right	50 degrees
Machine Swing Speed	9.7 rpm
Swing System Type	Hydraulic Motor Driven

Travel System

Caterpillar 301.8 Mini Excavator Travel System specifications
Maximum Traction Force - High Speed	1,440.00 lbs (653.17 kg)
Maximum Traction Force - Low Speed	3,060.00 lbs (1,387.99 kg)
Travel Speed - High	2.70 mph (4.35 kph)
Travel Speed - Low	1.40 mph (2.25 kph)

Weights

Caterpillar 301.8 Mini Excavator Weights specifications
Operating Weight - With Cab	3,968.00 lbs (1,799.86 kg)

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