- Category: Mini Excavators ➔
- Manufacturer: Caterpillar ➔
- Model: 301.8 ➔
The Caterpillar 301.8 is a compact mini excavator designed for utility work, landscaping, site preparation, and light construction in confined spaces. As part of Caterpillar's mini excavator range, the 301.8 offers a small operating footprint, reduced tail swing, and maneuverability for work around buildings, fences, and other obstacles. It is commonly used for trenching, grading, digging, and material handling where larger excavators cannot operate efficiently. The model is suited to contractors, rental fleets, and municipal applications that require transportable equipment with versatile attachment capability. The Caterpillar 301.8 is recognized for combining compact size with practical digging performance.
General Specifications
| Digging Depth ft (m) | 8.4 (2.6)
Starting 2025 Model Year |
| Digging Reach ft. (m) | 14.0 (4.3)
Starting 2025 Model Year |
| Engine | C1.1
Starting 2021 Model Year |
| Engine hp (kW) | 19.2 (14.3)
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 | 4,473.00 lbs (2,028.92 kg)
Starting 2023 Model Year |
| Operating Weight lbs (kg) | 4,464 (2,024.8)
Starting 2025 Model Year |
Blades
| 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
| 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
| Electrical System Type | Twelve-volt system
|
Engine
| 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
| 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
| 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
| 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
| 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
| Operating Weight - With Cab | 3,968.00 lbs (1,799.86 kg)
|
