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Caterpillar 302.7 CR Mini Excavator for Urban Construction - Top China Suppliers & Factory Quality
Benefits
Key Features
- Compact short tail-swing design for excellent maneuverability in confined spaces
- Stable undercarriage for enhanced balance and safety on different working surfaces
- Efficient engine with low fuel consumption and strong power performance
- Precise and responsive hydraulic system for smooth and accurate operation
- Simple control layout for easy operation and reduced operator fatigue
- Wide range of compatible attachments for diversified working needs
- User-friendly maintenance access to reduce downtime and service costs
- Sturdy structural parts for extended service life under frequent use
- Comfortable operating space for improved working efficiency
- Strong mobility for convenient transportation between job sites
Why Choose the Cat® 302.7 CR Mini Excavator?
The Cat 302.7 CR is widely used in North America, Europe, Australia, Southeast Asia, the Middle East, Africa, and Latin America, providing stable and efficient support for small construction projects worldwide.
It stands out with exceptional compactness, making it extremely suitable for urban areas, residential zones, and indoor renovation sites. The high-efficiency power system lowers operating expenses while maintaining reliable performance, helping contractors and rental companies improve profitability.
With strong adaptability, simple maintenance, and genuine Cat quality, the 302.7 CR ensures high machine availability and long-term durability. It is the optimal choice for customers seeking a cost-effective, versatile, and dependable mini excavator.
Features At A Glance
All Day Comfort
Easy To Operate
Stick Steer Travel Mode
Big Performance In A Compact Design
Safety On The Job Site
Simple Service For Less Downtime
Lower Operating Costs
Sustainability
Specifications
| Engine | Net Power | 17.6 kW |
| Engine Model | C1.1 Turbo | |
| Net Power - 2,400 rpm - ISO 9249, 80/1269/EEC | 17.6 kW | |
| Gross Power - ISO 14396 | 18.4 kW | |
| Bore | 77 mm | |
| Stroke | 81 mm | |
| Displacement | 1.1 l | |
| Emissions | Meets U.S. EPA Tier 4 Final and EU Stage V emission standards. | |
| Note (1) | Advertised power is tested per the specified standard in effect at the time to manufacturer. | |
| Note (2) | Net power advertised is the power available at the flywheel when the engine is at the rated speed of 2,400 rpm and the engine is installed with the factory configured fan, air intake system, exhaust system and alternator with a minimum alternator load. | |
| Weights | Operating Weight | 3050 kg |
| Minimum Operating Weight with Canopy* | 2560 kg | |
| Maximum Operating Weight with Canopy** | 2925 kg | |
| Minimum Operating Weight with Cab* | 2680 kg | |
| Maximum Operating Weight with Cab** | 3050 kg | |
| EU: CE Plate Weight with Canopy*** | 2695 kg | |
| EU: CE Plate Weight with Cab*** | 2800 kg | |
| Note (1) | *Minimum Weight is based on rubber tracks, operator, full fuel tank, standard stick, blade, no bucket and no extra counterweight. | |
| Note (2) | **Maximum Weight is based on steel tracks, operator, full fuel tank, long stick, blade, no bucket and extra counterweight. | |
| Note (3) | ***CE Plate Weight is based on the most common EU configuration. Includes 75 kg (165 lb) operator, (100 kg/221 lb) counterweight, full fuel tank and excludes bucket. | |
| Dimensions - Long Stick | Dig Depth | 2710 mm |
| Vertical Wall | 2050 mm | |
| Maximum Reach - Ground Level | 4710 mm | |
| Maximum Reach | 4850 mm | |
| Maximum Dig Height | 4390 mm | |
| Maximum Dump Clearance | 3070 mm | |
| Boom In Reach | 1730 mm | |
| Tail Swing without Counterweight | 775 mm | |
| Tail Swing - with Light Counterweight | 845 mm | |
| Tail Swing - with Extra Counterweight | 890 mm | |
| Maximum Blade Height | 395 mm | |
| Maximum Blade Depth | 515 mm | |
| Boom Height - Shipping Position | 1650 mm | |
| O/A Shipping Height | 2480 mm | |
| Swing Bearing - Height | 560 mm | |
| O/A Undercarriage Length | 2010 mm | |
| Overall Shipping Length* | 4280 mm | |
| Boom Swing - Right | 830 mm | |
| Boom Swing - Left | 605 mm | |
| Track Belt/Shoe Width | 300 mm | |
| Track Width | 1570 mm | |
| Ground Clearance | 310 mm | |
| Stick Length | 1260 mm | |
| Note | *Overall Shipping Length depends on blade position during shipment. | |
| Travel System | Travel Speed - High | 4.5 km/h |
| Travel Speed - Low | 2.6 km/h | |
| Maximum Traction Force - High Speed | 15.6 kN | |
| Maximum Traction Force - Low Speed | 26.8 kN | |
| Ground Pressure - Minimum Weight | 24.2 kPa | |
| Ground Pressure - Maximum Weight | 29 kPa | |
| Gradeability - Maximum | 30 degrees | |
| Service Refill Capacities | Cooling System | 4 l |
| Engine Oil | 4 l | |
| Fuel Tank | 45 l | |
| Hydraulic Tank | 18 l | |
| Hydraulic System | 35 l | |
| Hydraulic System | Type | Load Sensing Hydraulics with Variable Displacement Piston Pump |
| Pump Flow at 2,400 rpm | 100 L/min | |
| Operating Pressure - Equipment | 245 bar | |
| Operating Pressure - Travel | 245 bar | |
| Operating Pressure - Swing | 176 bar | |
| Auxiliary Circuit - Primary - Flow | 65 L/min | |
| Auxiliary Circuit - Primary - Pressure | 245 bar | |
| Auxiliary Circuit - Secondary - Flow | 25 L/min | |
| Auxiliary Circuit - Secondary - Pressure | 245 bar | |
| Digging Force - Stick - Standard | 13.8 kN | |
| Digging Force - Stick - Long | 12.3 kN | |
| Digging Force - Bucket | 23.3 kN | |
| Note | Flow and pressure are not combinable. Under load, as flow rises pressure goes down. | |
| Swing System | Machine Swing Speed | 9 r/min |
| Boom Swing - Left | 75 Degrees | |
| Boom Swing - Right | 50 Degrees | |
| Blade | Width | 1570 mm |
| Height | 320 mm | |
| Certification - Cab and Canopy | Roll Over Protective Structure (ROPS) | ISO 12117-2:2008 |
| Tip Over Protective Structure (TOPS) | ISO 12117:1997 | |
| Top Guard | ISO 10262:1998 (Level I) | |
| Dimensions - Standard Stick | Dig Depth | 2510 mm |
| Vertical Wall | 1870 mm | |
| Maximum Reach - Ground Level | 4510 mm | |
| Maximum Reach | 4660 mm | |
| Maximum Dig Height | 4270 mm | |
| Maximum Dump Clearance | 2950 mm | |
| Boom In Reach | 1710 mm | |
| Tail Swing without Counterweight | 775 mm | |
| Tail Swing - with Light Counterweight | 845 mm | |
| Tail Swing with Extra Counterweight | 890 mm | |
| Maximum Blade Height | 395 mm | |
| Maximum Blade Depth | 515 mm | |
| Boom Height - Shipping Position | 1560 mm | |
| O/A Shipping Height | 2480 mm | |
| Swing Bearing - Height | 560 mm | |
| O/A Undercarriage Length | 2010 mm | |
| Overall Shipping Length* | 4240 mm | |
| Boom Swing - Right | 830 mm | |
| Boom Swing - Left | 605 mm | |
| Track Belt/Shoe Width | 300 mm | |
| Ground Clearance | 310 mm | |
| Stick Length | 1060 mm | |
| Note | *Overall Shipping Length depends on blade position during shipment. | |
| Sound | Operator Sound Pressure (ISO 6396:2008) | 78 dB(A) |
| Average Exterior Sound Pressure (ISO 6395:2008) | 94 dB(A) | |
| Note | European Union Directive "2000/14/EC" | |
| Air Conditioning System | 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 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). |
| Sustainability | Recyclability | 95% |
| Weight Increase from Minimum Configuration | Cab | 125 kg |
| Counterweight (light) | 100 kg | |
| Counterweight (extra) | 250 kg | |
| Long Stick | 15 kg | |
| Steel Tracks | 100 kg |
Frequently Asked Questions
What is the operating weight of the Cat® 302.7 CR Mini Excavator?
The maximum operating weight of the Cat 302.7 CR is 3,050 kg with cab configuration. The minimum operating weight with canopy starts at 2,560 kg, depending on the track type, stick, and counterweight configuration selected.
What engine does the Cat 302.7 CR use, and how much power does it produce?
The Cat 302.7 CR is powered by the C1.1 Turbo engine, delivering a net power of 17.6 kW (at 2,400 rpm per ISO 9249 / 80/1269/EEC) and a gross power of 18.4 kW (ISO 14396). It meets U.S. EPA Tier 4 Final and EU Stage V emission standards.
What is the maximum digging depth of the Cat 302.7 CR?
With the long stick configuration, the Cat 302.7 CR achieves a maximum dig depth of 2,710 mm. With the standard stick, the dig depth is 2,510 mm. Both configurations provide excellent reach and performance for small to medium excavation tasks.
Is the Cat 302.7 CR suitable for working in confined or urban spaces?
Yes. The Cat 302.7 CR features a compact short tail-swing design, making it highly maneuverable in tight spaces such as urban construction sites, residential zones, and indoor renovation projects. Its minimal tail swing radius allows safe operation close to walls and obstacles.
What attachments are compatible with the Cat 302.7 CR Mini Excavator?
The Cat 302.7 CR supports a wide range of Cat-approved attachments, including buckets, hydraulic breakers, augers, grapples, and more. The auxiliary hydraulic circuit (primary flow: 65 L/min; secondary flow: 25 L/min) ensures versatile attachment compatibility for diversified job site requirements.
How does the Cat 302.7 CR help reduce operating and maintenance costs?
The Cat 302.7 CR is designed with user-friendly maintenance access points, a 45-liter fuel tank for extended operation, and a highly efficient load-sensing hydraulic system that minimizes energy waste. These features, combined with Cat's proven durability and a 95% recyclability rate, significantly lower total cost of ownership over the machine's service life.