- Category: Mini Excavators ➔
- Manufacturer: Caterpillar ➔
- Model: 303 CR ➔
The Caterpillar 303 CR is a compact mini excavator designed for construction, landscaping, utility, and site preparation work in confined spaces. As part of Caterpillar's mini excavator lineup, the 303 CR features a reduced tail swing design for improved maneuverability near walls, structures, and obstacles. It is commonly used for digging, trenching, grading, and material handling with compatible attachments. The machine is built for transportability, operator comfort, and efficient performance on small to medium job sites. The Caterpillar 303 CR is suited for contractors needing a versatile mini excavator with compact dimensions and reliable hydraulic capability.
General Specifications
| Digging Depth ft (m) | 9.6 (2.9)
Starting 2025 Model Year |
| Digging Reach ft. (m) | 16.8 (5.1)
Starting 2025 Model Year |
| Engine | C1.1 Turbo
Starting 2023 Model Year |
| Engine hp (kW) | 23.6 (17.6)
Starting 2025 Model Year |
| Max Digging Depth | 116.1 in ft (35.39 m)
Starting 2023 Model Year |
| Net Power | 23.60 hp (17.60 kw)
Starting 2023 Model Year |
| Operating Weight | 7,817.00 lbs (3,545.74 kg)
Starting 2023 Model Year |
| Operating Weight lbs (kg) | 7,817 (3,545.7)
Starting 2025 Model Year |
Blades
| Blade Lift Height | 16.00 in (40.64 cm)
|
| Blade Width | 5.10 ft (1.55 m)
|
| Dig Depth | 15.00 in (38.10 cm)
|
Dimensions
| Center Ground Clearance | 1.10 ft (0.34 m)
|
| Digging Depth | 9.00 ft (2.74 m)
|
| Digging Reach | 9.00 ft (2.74 m)
|
| Height - Over Cab | 8.20 ft (2.50 m)
|
| Height - Over Canopy | 8.20 ft (2.50 m)
|
| Maximum Cutting Height - Long Stick | 15.50 ft (4.72 m)
|
| Maximum Cutting Height - Standard Stick | 15.30 ft (4.66 m)
|
| Maximum Digging Depth - Long Stick | 10.20 ft (3.11 m)
|
| Maximum Digging Depth - Standard Stick | 9.90 ft (3.02 m)
|
| Maximum Dump Height - Long Stick | 10.80 ft (3.29 m)
|
| Maximum Dump Height - Standard Stick | 10.40 ft (3.17 m)
|
| Maximum Horizontal Reach - Long Stick | 18.00 ft (5.49 m)
|
| Maximum Horizontal Reach - Standard Stick | 17.30 ft (5.27 m)
|
| Maximum Reach - Ground Level - Long Stick | 16.10 ft (4.91 m)
|
| Maximum Reach - Ground Level - Standard Stick | 17.30 ft (5.27 m)
|
| Maximum Vertical Dig Depth - Long Stick | 8.20 ft (2.50 m)
|
| Maximum Vertical Dig Depth - Standard Stick | 8.40 ft (2.56 m)
|
| Shipping Length | 15.40 ft (4.69 m)
|
| Swing Radius - Rear | 3.00 ft (0.91 m)
|
| Track Gauge | 4.10 ft (1.25 m)
|
| Track Shoe Width | 1.00 ft (0.30 m)
|
| Width - Over Track | 5.10 ft (1.55 m)
|
| Width - Upper Structure | 5.40 ft (1.65 m)
|
Electrical System
| Electrical System Type | Twelve-volt system
|
Engine
| Bore | 3.10 in (7.87 cm)
|
| Displacement | 80.50 cu in (1,319.16 cu cm)
|
| Engine Model | S3L2
|
| Gross Power | 27.10 hp (20.21 kw)
|
| Net Power | 26.10 hp (19.46 kw)
|
| Stroke | 3.70 in (9.40 cm)
|
Hydraulic System
| Auxiliary Circuit - Primary | 13.15 gpm (49.77 lpm)
|
| Auxiliary Circuit - Primary (245 bar/3,553 psi) | 13.15 gpm (49.77 lpm)
|
| Digging Force - Bucket | 6,000.00 lbs (2,721.56 kg)
|
| Digging Force - Stick - Long | 3,484.00 lbs (1,580.32 kg)
|
| Digging Force - Stick - Standard | 3,822.00 lbs (1,733.63 kg)
|
| Operating Pressure - Equipment | 3550 psi
|
| Operating Pressure - Swing | 3550 psi
|
| Operating Pressure - Travel | 3550 psi
|
| Pump - Gear (Single) | 6.20 gpm (23.47 lpm)
|
| Pump - Gear (Tandem) | 8.70 gpm (32.93 lpm)
|
Operating Specifications
| Operating Weight | 7,403.00 lbs (3,357.95 kg)
|
Service Refill Capacities
| Cooling System TAG | 1.00 gal (3.79 l)
|
| Engine Oil | 1.50 gal (5.68 l)
|
| Fuel Tank | 10.90 gal (41.26 l)
|
| Hydraulic System | 18.20 gal (68.89 l)
|
| Hydraulic Tank | 7.80 gal (29.52 l)
|
Swing System
| Boom Swing - Left - With Stop | 65 degrees
|
| Boom Swing - Left - Without Stop | 90 degrees
|
| Boom Swing - Right | 50 degrees
|
| Machine Swing Speed | 9.6 rpm
|
| Swing System Type | Hydraulic Motor Driven
|
Travel System
| Travel Speed - High | 3.00 mph (4.83 kph)
|
| Travel Speed - Low | 1.70 mph (2.74 kph)
|
Weights
| Operating Weight - With Cab | 7,524.00 lbs (3,412.83 kg)
|
