- Category: Mini Excavators ➔
- Manufacturer: Caterpillar ➔
- Model: 304C CR ➔
The Caterpillar 304C 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, making it suitable for urban job sites and tight access areas. The 304C CR is equipped with a Caterpillar diesel engine, hydraulic system, and undercarriage built for digging, trenching, grading, and material handling applications. Common attachments include buckets, augers, and hydraulic tools. As part of Caterpillar's mini excavator lineup, the 304C CR is used for small to medium earthmoving tasks where maneuverability, transportability, and efficient operation are important.
Boom/Stick Excavator Option 1
| Max Cutting Height | 17.40 ft (5.30 m)
|
| Max Digging Depth | 10.90 ft (3.32 m)
|
| Max Loading Height | 12.10 ft (3.69 m)
|
| Max Reach Along Ground | 18.00 ft (5.49 m)
|
| Max Vertical Wall Digging Depth | 8.00 ft (2.44 m)
|
| Shipping Height of Unit | 8.40 ft (2.56 m)
|
| Shipping Length of Unit | 17.00 ft (5.18 m)
|
Boom/Stick Excavator Option 2
| Max Cutting Height | 18.00 ft (5.49 m)
|
| Max Digging Depth | 12.10 ft (3.69 m)
|
| Max Loading Height | 12.90 ft (3.93 m)
|
| Max Reach Along Ground | 19.20 ft (5.85 m)
|
| Max Vertical Wall Digging Depth | 9.10 ft (2.77 m)
|
| Shipping Height of Unit | 8.40 ft (2.56 m)
|
| Shipping Length of Unit | 17.40 ft (5.30 m)
|
Dimensions
| Ground Clearance | 1.20 ft (0.37 m)
|
| Height - Over Cab | 8.40 ft (2.56 m)
|
| Height - Top of Cab | 8.40 ft (2.56 m)
|
| Length - Center of Rollers | 17.91 ft (5.46 m)
|
| Maximum Cutting Height - Long Stick | 18.00 ft (5.49 m)
|
| Maximum Cutting Height - Standard Stick | 17.40 ft (5.30 m)
|
| Maximum Digging Depth - Standard Stick | 10.80 ft (3.29 m)
|
| Maximum Dump Height - Long Stick | 12.80 ft (3.90 m)
|
| Maximum Dump Height - Standard Stick | 12.20 ft (3.72 m)
|
| Maximum Reach - Ground Level - Standard Stick | 17.90 ft (5.46 m)
|
| Maximum Vertical Dig Depth - Standard Stick | 8.00 ft (2.44 m)
|
| Removal Counterweight Clearance | 2.00 ft (0.61 m)
|
| Shipping Height | 8.40 ft (2.56 m)
|
| Shipping Length | 17.00 ft (5.18 m)
|
| Swing Radius - Rear | 3.60 ft (1.10 m)
|
| Tail Swing Radius | 3.50 ft (1.07 m)
|
| Track Shoe Width | 1.40 ft (0.43 m)
|
| Transport Width | 6.50 ft (1.98 m)
|
| Width to Outside of Tracks | 6.50 ft (1.98 m)
|
Engine
| Bore | 3.50 in (8.89 cm)
|
| Displacement | 153.00 cu in (2,507.23 cu cm)
|
| Engine Model | Mitsubishi S4Q2
|
| Gross Power | 42.00 hp (31.32 kw)
|
| Net Power | 43.20 hp (32.21 kw)
|
| Number of Cylinders | 4
|
| Power Measured @ | 2400 rpm
|
| Stroke | 4.10 in (10.41 cm)
|
Hydraulic System
| Digging Force - Bucket | 10,049.00 lbs (4,558.16 kg)
|
| Digging Force - Stick - Long | 4,788.00 lbs (2,171.80 kg)
|
| Digging Force - Stick - Standard | 5,553.00 lbs (2,518.80 kg)
|
| Operating Pressure - Equipment | 3553 psi
|
| Operating Pressure - Swing | 2553 psi
|
| Operating Pressure - Travel | 3553 psi
|
Operating Specifications
| Alternator Supplied Amperage | 50 amps
|
| Cooling System Fluid Capacity | 3.00 gal (11.36 l)
|
| Engine Oil Capacity | 1.90 gal (7.19 l)
|
| Fuel Capacity | 19.10 gal (72.29 l)
|
| Hydraulic Pump Flow Capacity | 31.40 gpm (118.85 lpm)
|
| Hydraulic System Fluid Capacity | 20.60 gal (77.97 l)
|
| Hydraulic System Relief Valve Pressure | 3553 psi
|
| Operating Voltage | 12 volts
|
| Operating Weight | 10,844.00 lbs (4,918.76 kg)
|
Service Refill Capacities
| Cooling System | 2.90 gal (10.98 l)
|
| Engine Oil | 1.80 gal (6.81 l)
|
| Fuel Tank | 19.00 gal (71.92 l)
|
| Hydraulic System | 20.60 gal (77.97 l)
|
| Hydraulic Tank | 12.70 gal (48.07 l)
|
| Track Gauge | 5.20 ft (1.58 m)
|
Swing Mechanism
Swing System
Travel System
| Travel Speed - High | 2.90 mph (4.67 kph)
|
Undercarriage
| Max Travel Speed | 2.80 mph (4.51 kph)
|
| Shoe Size | 16.00 in (40.64 cm)
|
| Track Gauge | 5.20 ft (1.58 m)
|
Weights
| Operating Weight | 10,582.00 lbs (4,799.92 kg)
|
| Operating Weight - With Cab | 10,844.00 lbs (4,918.76 kg)
|
