- Category: Mini Excavators ➔
- Manufacturer: Caterpillar ➔
- Model: 303.5E2 CR ➔
The Caterpillar 303.5E2 CR is a compact mini excavator designed for versatility and efficiency in tight spaces. Featuring a reduced tail swing, this model enhances maneuverability on urban and confined job sites. Powered by a reliable Cat engine, the 303.5E2 CR delivers strong digging performance with low emissions and fuel efficiency. Its hydraulic system provides smooth operation for trenching, grading, and material handling tasks. The operator cabin offers ergonomic controls and excellent visibility for improved safety and productivity. Ideal for construction, landscaping, and utility work, the Caterpillar 303.5E2 CR mini excavator combines compact size with powerful performance.
General Specifications
| Engine | C1.3 Starting 2021 Model Year |
| Max Digging Depth | 71 ft (22 m) Starting 2021 Model Year |
| Net Power | 24 hp (18 kw) Starting 2021 Model Year |
| Operating Weight | 7,204 lbs (3,268 kg) Starting 2021 Model Year |
Blades
| Blade Height | 13 in (33 cm)
|
| Blade Lift Height | 16 in (41 cm)
|
| Blade Width | 6 ft (2 m)
|
| Dig Depth | 19 in (48 cm)
|
Engine
| Bore | 3 in (9 cm)
|
| Displacement | 104 cu in (1,704 cu cm)
|
| Engine Model | Cat C1.7
|
| Gross Power | 25 hp (18 kw)
|
| Net Power | 24 hp (18 kw)
|
| Stroke | 4 in (9 cm)
|
Hydraulic System
| Auxiliary Circuit - Primary | 19 gpm (70 lpm)
|
| Auxiliary Circuit - Secondary | 7 gpm (25 lpm)
|
| Digging Force - Bucket | 7,419 lbs (3,365 kg)
|
| Digging Force - Stick - Long | 3,799 lbs (1,723 kg)
|
| Digging Force - Stick - Standard | 4,249 lbs (1,927 kg)
|
| Operating Pressure - Equipment | 3553 psi
|
| Operating Pressure - Swing | 3132 psi
|
| Operating Pressure - Travel | 3553 psi
|
Service Refill Capacities
| Cooling System | 2 gal (6 l)
|
| Engine Oil | 2 gal (7 l)
|
| Fuel Tank | 12 gal (46 l)
|
| Hydraulic System | 17 gal (65 l)
|
| Hydraulic Tank | 11 gal (42 l)
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Swing System
| Machine Swing Speed | 10 rpm
|
Travel System
| Maximum Traction Force - High Speed | 3,822 lbs (1,734 kg)
|
| Maximum Traction Force - Low Speed | 6,992 lbs (3,172 kg)
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| Travel Speed - High | 3 mph (5 kph)
|
| Travel Speed - Low | 2 mph (3 kph)
|
Weights
| Operating Weight - With Cab | 8,209 lbs (3,724 kg)
|
| Operating Weight - With Canopy | 7,803 lbs (3,539 kg)
|