The Caterpillar 304E CR is a compact mini excavator designed for construction, utility, landscaping, and site preparation work. As a Caterpillar 304E CR Mini Excavator, it features a reduced tail swing design for operation in confined spaces while maintaining digging performance and stability. The machine is commonly used for trenching, grading, material handling, and light demolition. Typical configurations include a hydraulic system suited for attachments, a comfortable operator station, and easy service access. The 304E CR is part of Caterpillar's compact excavator line, offering maneuverability, transportability, and versatility for small to medium job sites.
Blade
Caterpillar 304E CR Mini Excavator Blade specifications
Dig Depth
18.50 in (46.99 cm)
Height
12.80 in (32.51 cm)
Lift Height
15.80 in (40.13 cm)
Width
6.40 ft (1.95 m)
Dimensions
Caterpillar 304E CR Mini Excavator Dimensions specifications
Height - Over Cab
8.20 ft (2.50 m)
Maximum Cutting Height - Long Stick
16.70 ft (5.09 m)
Maximum Cutting Height - Standard Stick
16.40 ft (5.00 m)
Maximum Digging Depth - Standard Stick
10.30 ft (3.14 m)
Maximum Dump Height - Long Stick
12.10 ft (3.69 m)
Maximum Dump Height - Standard Stick
11.80 ft (3.60 m)
Maximum Horizontal Reach - Long Stick
18.00 ft (5.49 m)
Maximum Horizontal Reach - Standard Stick
17.11 ft (5.22 m)
Maximum Reach - Ground Level - Standard Stick
17.61 ft (5.37 m)
Maximum Vertical Dig Depth - Long Stick
8.40 ft (2.56 m)
Maximum Vertical Dig Depth - Standard Stick
8.00 ft (2.44 m)
Shipping Height
8.20 ft (2.50 m)
Shipping Length
15.80 ft (4.82 m)
Track Shoe Width
1.11 ft (0.34 m)
Transport Width
6.40 ft (1.95 m)
Engine
Caterpillar 304E CR Mini Excavator Engine specifications
Engine Model
Cat C2.4
Gross Power
42.00 hp (31.32 kw)
Net Power
40.00 hp (29.83 kw)
Engine Dimensions
Caterpillar 304E CR Mini Excavator Engine Dimensions specifications
Bore
3.40 in (8.64 cm)
Displacement
146.00 cu in (2,392.52 cu cm)
Stroke
4.00 in (10.16 cm)
Hydraulic System
Caterpillar 304E CR Mini Excavator Hydraulic System specifications
Auxiliary Circuit - Primary
15.90 gpm (60.18 lpm)
Auxiliary Circuit - Secondary
7.10 gpm (26.87 lpm)
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)
Operating Pressure - Equipment
3553 psi
Operating Pressure - Swing
2625 psi
Operating Pressure - Travel
3553 psi
Msc Comments
Caterpillar 304E CR Mini Excavator Msc Comments specifications
Msc Spec Date
3/06
Operational
Caterpillar 304E CR Mini Excavator Operational specifications
Operating Weight
8,497.00 lbs (3,854.18 kg)
Service Refill Capacities
Caterpillar 304E CR Mini Excavator Service Refill Capacities specifications
Cooling System
1.70 gal (6.43 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
Caterpillar 304E CR Mini Excavator Swing System specifications
Boom Swing - Left - With Stop
55 degrees
Boom Swing - Left - Without Stop
80 degrees
Boom Swing - Right
50 degrees
Machine Swing Speed
9 rpm
Travel System
Caterpillar 304E CR Mini Excavator Travel System specifications
Maximum Traction Force - High Speed
3,777.00 lbs (1,713.22 kg)
Maximum Traction Force - Low Speed
6,921.00 lbs (3,139.32 kg)
Travel Speed - High
2.80 mph (4.51 kph)
Travel Speed - Low
1.60 mph (2.57 kph)
Weights
Caterpillar 304E CR Mini Excavator Weights specifications
Operating Weight - With Cab
8,838.00 lbs (4,008.85 kg)
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