- Category: Mini Excavators ➔
- Manufacturer: Caterpillar ➔
- Model: 304E2 CR ➔
The Caterpillar 304E2 CR is a compact mini excavator designed for construction, utility, landscaping, and site preparation work. It features a reduced tail swing design for operation in confined spaces, improving maneuverability around obstacles and along walls. The 304E2 CR is typically equipped with a Caterpillar diesel engine, hydraulic system, and an operator cab or canopy configuration. Common applications include trenching, grading, material handling, and light demolition. As part of Caterpillar's mini excavator lineup, the 304E2 CR is built for transportability, versatility, and use on jobsites where space and access are limited.
General Specifications
| Engine | C2.4
Starting 2021 Model Year |
| Max Digging Depth | 77.00 ft (23.47 m)
Starting 2021 Model Year |
| Net Power | 40.20 hp (29.98 kw)
Starting 2021 Model Year |
| Operating Weight | 8,930.00 lbs (4,050.58 kg)
Starting 2021 Model Year |
Blades
| Blade Height | 12.80 in (32.51 cm)
|
| Blade Lift Height | 15.70 in (39.88 cm)
|
| Blade Width | 6.40 ft (1.95 m)
|
| Dig Depth | 18.50 in (46.99 cm)
|
Boom/Stick Excavator Option 1
| Max Digging Depth | 10.30 ft (3.14 m)
|
| Max Reach Along Ground | 17.10 ft (5.21 m)
|
Dimensions - Long Stick
| Boom In Reach | 87.00 in (220.98 cm)
|
| Boom Swing - Left | 26.00 in (66.04 cm)
|
| Boom Swing - Right | 29.00 in (73.66 cm)
|
| Dig Depth | 135.00 in (342.90 cm)
|
| Maximum Blade Depth | 19.00 in (48.26 cm)
|
| Maximum Blade Height | 16.00 in (40.64 cm)
|
| Maximum Dig Height | 200.00 in (508.00 cm)
|
| Maximum Dump Clearance | 145.00 in (368.30 cm)
|
| Maximum Reach | 220.00 in (558.80 cm)
|
| Maximum Reach - Ground Level | 215.00 in (546.10 cm)
|
| O/A Shipping Length | 194.00 in (492.76 cm)
|
| O/A Track Width | 77.00 in (195.58 cm)
|
| O/A Undercarriage Length | 87.00 in (220.98 cm)
|
| Swing Bearing - Height | 22.00 in (55.88 cm)
|
| Track Belt/Shoe Width | 14.00 in (35.56 cm)
|
| Vertical Wall | 101.00 in (256.54 cm)
|
Dimensions - Standard Stick
| Boom In Reach | 83.00 in (210.82 cm)
|
| Boom Swing - Left | 26.00 in (66.04 cm)
|
| Boom Swing - Right | 29.00 in (73.66 cm)
|
| Dig Depth | 123.00 in (312.42 cm)
|
| Maximum Blade Depth | 19.00 in (48.26 cm)
|
| Maximum Blade Height | 16.00 in (40.64 cm)
|
| Maximum Dig Height | 196.00 in (497.84 cm)
|
| Maximum Dump Clearance | 141.00 in (358.14 cm)
|
| Maximum Reach | 211.00 in (535.94 cm)
|
| Maximum Reach - Ground Level | 206.00 in (523.24 cm)
|
| O/A Shipping Length | 190.00 in (482.60 cm)
|
| O/A Track Width | 77.00 in (195.58 cm)
|
| O/A Undercarriage Length | 87.00 in (220.98 cm)
|
| Swing Bearing - Height | 22.00 in (55.88 cm)
|
| Track Belt/Shoe Width | 14.00 in (35.56 cm)
|
| Vertical Wall | 95.00 in (241.30 cm)
|
Engine
| Bore | 3.40 in (8.64 cm)
|
| Displacement | 146.00 cu in (2,392.52 cu cm)
|
| Emissions | *Meets U.S. EPA Tier 4 Final/EU Stage IIIA emission standards.
|
| Engine Model | Cat C2.4
|
| Stroke | 4.00 in (10.16 cm)
|
Hydraulic System
| Digging Force - Bucket | 8,498.00 lbs (3,854.63 kg)
|
| Digging Force - Stick - Long | 4,384.00 lbs (1,988.55 kg)
|
| Digging Force - Stick - Standard | 4,856.00 lbs (2,202.65 kg)
|
| Hydraulic System Type | Load Sensing Hydraulics with Variable Displacement Piston Pump
|
| Operating Pressure - Equipment | 3553 psi
|
| Operating Pressure - Swing | 3132 psi
|
| Operating Pressure - Travel | 3553 psi
|
Service Refill Capacities
| Cooling System | 1.50 gal (5.68 l)
|
| Engine Oil | 2.50 gal (9.46 l)
|
| Fuel Tank | 12.20 gal (46.18 l)
|
| Hydraulic System | 17.20 gal (65.10 l)
|
| Hydraulic Tank | 11.20 gal (42.39 l)
|
Swing System
| Boom Swing - Left - With Stop | 55 degrees
|
| Boom Swing - Left - Without Stop | 70 degrees
|
| Machine Swing Speed | 10 rpm
|
Travel System
| Gradeability - Maximum | 30 degrees
|
| Maximum Traction Force - High Speed | 3,799.00 lbs (1,723.20 kg)
|
| Maximum Traction Force - Low Speed | 6,969.00 lbs (3,161.09 kg)
|
| Travel Speed - High | 3.20 mph (5.15 kph)
|
| Travel Speed - Low | 2.10 mph (3.38 kph)
|
