Brand: Caterpillar · SKU: 309 · MPN: 309 CR · Category: Components
The Cat® 309 CR Mini Excavator delivers maximum power and performance in a mini size for a wide range of applications. It features high flow hydraulics for power-hungry attachments and a long undercarriage for improved stability. The machine includes features like adjustable wrist rests, a suspension seat, customizable operator preferences, and an option for joystick controls. Safety features include a back-up camera, courtesy work lights, and a fluorescent retractable seat belt. Advanced features like E-Fence automatically constrain machine motion to prevent collisions with structures, and Swing Assist and Bucket Assist enhance efficiency in specific tasks like truck loading, trenching, and grading. The Variable Angle Boom (VAB) option provides linkage flexibility for tight applications.
| Air Conditioning | Available (uses R134a or R1234yf refrigerant) |
|---|---|
| Engine Net Power | 69 hp (51.2 kW) to 71.5 hp (53.3 kW) |
| Fuel Tank Capacity | 39 gal (147 L) |
| Swing System Speed | 10 r/min |
| Travel Speed (Low) | 1.6 mph (2.6 km/h) |
| Certification (Cab) | Roll Over Protective Structure (ROPS) |
| Engine Displacement | 203 in³ (3.33 L) |
| Engine Oil Capacity | 3 gal (11.2 L) |
| Hydraulic Pump Flow | 233 L/min (62 gal/min) @ 2,400 rpm |
| Travel Speed (High) | 3.1 mph (4.9 km/h) |
| Hydraulic System Type | Load Sensing Hydraulics with Variable Displacement Piston Pump |
| Blade Height (Maximum) | 13.5 in (431 mm) |
| Blade Width (Standard) | 97 in (2470 mm) |
| Gradeability (Maximum) | 30 degrees |
| Cooling System Capacity | 2.6 gal (10 L) |
| Hydraulic Tank Capacity | 14 gal (53 L) |
| Operating Pressure (Swing) | 250 bar (3,626 psi) |
| Undercarriage Configuration Note | Specifications based on Long (L) Undercarriage |
| Operating Pressure (Equipment/Travel) | 285 bar (4,134 psi) |
| Warranty | Not Available |
| Weight | Operating Weight: 20870 lb (9465 kg) to 21091 lb (9565 kg) |
| Dimensions | Dig Depth: 161.7 in to 183.1 in; Maximum Reach: 273.61 in to 300.7 in; Transport Height: 97.9 in to 99 in; O/A Track Width: 97.2 in |
The Cat® 309 CR Mini Excavator offers substantial power and performance in a compact design, making it suitable for various applications. It boasts advanced hydraulic systems for efficient operation with attachments and enhanced lifting capabilities. The machine prioritizes operator comfort and safety with ergonomic features and protective structures. Its E-Fence system provides automated work area boundaries, increasing job site safety and preventing damage to surrounding structures. The optional Variable Angle Boom enhances maneuverability in confined spaces.
Yes, this Cat 309 CR Mini Excavator (309) is 100% genuine Caterpillar hardware. All our products are verified by certified technicians and come with clean serial numbers ready for service contract registration.
This Cat 309 CR Mini Excavator includes our standard 3-Year Warranty covering all manufacturing defects. We also offer advanced replacement options for minimal downtime.
We offer free ground shipping which typically takes 3-5 business days. Expedited shipping options are available at checkout for faster delivery.
Yes, we have a 30-day return policy on all products. Restocking fees may apply for opened items. Please see our return policy for complete details.
Please check the specifications tab for detailed compatibility information. Our technical team is available to assist with compatibility questions for the 309.