305 CR Mini Hydraulic Excavator
The Cat® 305 CR Mini Excavator delivers power and performance in a compact size to help you work in a wide range of applications.
Engine
- Net Power
- 45 HP
- Emissions
- The Cat® C3.3B engine meets U.S. EPA Tier 4 Final and EU Stage V emission standards.
- Bore
- 3.3 in
- Stroke
- 3.9 in
- Displacement
- 101 in²
- Note
- Advertised power is tested per the specified standard in effect at the time of manufacture.
- Engine Model
- C1.7 Turbo
Weights
- Operating Weight
- 12688 lb
- Note (2)
- **Maximum Weight is based on steel tracks with pads, operator, full fuel tank, long stick, straight blade, extra counterweight and no bucket.
- Note (1)
- *Minimum Weight is based on rubber tracks, operator, full fuel tank, standard stick, straight blade, no bucket and no extra counterweight.
Sound
- Note
- *The declared dynamic operator sound pressure levels per ISO 6396:2008. The measurements were conducted with the cab doors and windows closed. **The labeled sound power level for the CE marked configu
Service Refill Capacities
- Hydraulic Tank
- 16 gal (US)
- Engine Oil
- 1.6 gal (US)
- Fuel Tank
- 17 gal (US)
- Hydraulic System
- 20 gal (US)
- Cooling System
- 2.9 gal (US)
Transmission Specifications
- 6F Gear Ratio
- 13.2
Hydraulic System
- Type
- Load Sensing Hydraulics with Variable Displacement Piston Pump
- Download 305 CR Small Product Brochure (NACD)
- Download Cat Mini Hydraulic Excavators Product Line Brochure (North America)
- Download Options And Accessories Kit Guide for Mini Hydraulic Excavators
- Download Cat Attachments for Mini Excavators Brochure
- Download Attachment Compatibility Guide for Mini Excavators