Caterpillar 304cr

Excavators / Mini excavators

The CATERPILLAR 304CR: A Comprehensive Overview

The Caterpillar 304CR is a powerful and reliable machine that is perfect for those looking to tackle a wide range of construction projects. This versatile excavator offers a great combination of power and efficiency, making it a great choice for those who need to get the job done quickly and effectively. They are realteable to mini excavator. In this article, we'll take a look at the Caterpillar 304CR and explore its features, pricing, and more.


Model Price$39,900
Daily rental price$375
Half day rental price$188
Weekly rental price$995
Operating weight (pounds)9867
Maintenance cost per hour$4
Monthly maintenance cost$359
Fuel cost per month$0
Hourly fuel consumption (gallons)0
Monthly financing payments (new)$0
Monthly financing payments (used)$0

Overview of the CATERPILLAR 304CR

The Caterpillar 304CR is a hydraulic excavator that is designed to handle a variety of jobs in the construction industry. It features a powerful engine that provides up to 74 horsepower and a maximum digging depth of 11.5 feet. The 304CR also has a wide range of attachments, such as buckets, rippers, and hammers, so you can customize it to fit your specific needs. It has a compact size, making it easy to maneuver in tight spaces, and it has a low ground pressure, making it suitable for use on soft ground.

Common Uses of the CATERPILLAR 304CR

The Caterpillar 304CR is a great choice for a variety of construction projects. It is commonly used for digging and excavating, as well as demolition and earthmoving. It is also suitable for trenching, grading, and backfilling. The 304CR is also capable of handling a wide range of materials, such as gravel, dirt, and rock.

Pricing for the CATERPILLAR 304CR

The Caterpillar 304CR has a retail price of $39,900. This price includes the base machine, as well as any necessary attachments. For those who need to rent the 304CR, the daily rental rate is $375, while the half-day rate is $188. The weekly rental rate is $995.

The Caterpillar 304CR has an operating weight of 9,867 pounds. This weight makes it suitable for a variety of jobs, but it is important to note that it may require additional support when working on soft ground. The estimated monthly maintenance costs for the 304CR are approximately $200.

Fuel Cost Estimations

The estimated fuel cost per month for the Caterpillar 304CR is approximately $500. This cost is based on the current market price of fuel and the estimated usage of the machine. The hourly fuel cost for the 304CR is estimated to be around $15.


Center Ground Clearance: 1.1 ft (0 m)

Height - Over Cab: 8.6 ft (2 m)

Maximum Digging Depth - Standard Stick: 11 ft (3 m)

Maximum Dump Height - Standard Stick: 11.8 ft (3 m)

Maximum Reach - Ground Level - Standard Stick: 18.3 ft (5 m)

Maximum Vertical Dig Depth - Standard Stick;' 9.4 ft (3 m)

Shipping Length: 17 ft (5 m)

Swing Radius - Rear: 3.3 ft (1 m)

Track Gauge: 6.5 ft (2 m)

Track Shoe Width: 1.4 ft (0 m)

Electrical System

Electrical System Type: Twelve-volt system

The Heart of the Machine: Hydraulic System Overview

At the core of the Caterpillar 304CR's impressive performance lies its hydraulic system. This system plays a pivotal role in enabling the machine to perform a wide range of tasks with precision and efficiency. Let's take a closer look at how it operates. hydraulic system operating pressure of caterpillar 304cr is 3553.42 psi.

Hydraulic Fluid: The Lifeblood

The hydraulic system relies on a specially formulated hydraulic fluid, often referred to as the machine's lifeblood. This fluid is responsible for transmitting power within the system. It is carefully pressurized and controlled to ensure smooth and consistent operation.

Hydraulic Pumps: Power Generators

The hydraulic system features a series of pumps that are responsible for generating the necessary hydraulic pressure. These pumps work tirelessly to ensure a steady flow of hydraulic fluid to all the components that require it.

Hydraulic Cylinders: The Muscle

Hydraulic cylinders are the muscles of the caterpillar 304. When hydraulic fluid is directed into these cylinders, they extend or retract, providing the force needed for various functions. Whether it's digging, lifting, or maneuvering, the hydraulic cylinders are at the heart of the action.

Control Valves: Precision in Motion

Control valves within the hydraulic system regulate the flow of hydraulic fluid to the cylinders. These valves are crucial for controlling the direction and speed of movement, allowing operators to perform delicate tasks with accuracy.

The Benefits of Hydraulic Power

Now that we've examined the key components, let's explore why the hydraulic system is such an integral part of Caterpillar 304CR's success.

  • Power and Efficiency: The hydraulic system delivers exceptional power and efficiency, making it possible to handle heavy loads and demanding tasks with ease.

  • Smooth Operation: Thanks to the precise control offered by the hydraulic system, operators can work smoothly and effortlessly, reducing operator fatigue and enhancing productivity.

  • Versatility: The versatility of the Caterpillar 304CR is largely attributed to its hydraulic system. It can seamlessly switch between various attachments, from buckets to hammers, making it a multi-purpose powerhouse.

  • Durability: Caterpillar's hydraulic systems are known for their durability and longevity, ensuring that the 304CR can withstand the rigors of heavy-duty use.


Bore: 3.1 in (8 cm)

Displacement: 107 cu in (0 m)

Engine Model: 3013

Gross Power: 37 hp (28 kw)

Net Power: 36 hp (27 kw)

Stroke: 3.7 in (8 cm)

Hydraulic System

Auxiliary Circuit - Primary: 22.22 gal/min (83 l/min)

Digging Force - Bucket: 8228 lbs (3,732 kg)

Digging Force - Stick - Long: 4699 lbs (2,132 kg)

Digging Force - Stick - Standard: 5373 lbs (2,437 kg)

Operating Pressure - Equipment: 3553.42 psi

Operating Pressure - Swing: 2990 psi

Operating Pressure - Travel: 3550 psi

Pump - Gear (Tandem): 11.47 gal/min (42 l/min)

Similar Models

If you're looking for a similar model to the Caterpillar 304CR, there are several other options available. Some of these models include the Caterpillar 305CR, the Caterpillar 303CR, the Caterpillar 307CR, the Caterpillar 303E CR, the Caterpillar 305.5E2 CR, and the Caterpillar 308CR. All of these models offer similar features and capabilities as the 304CR, so you can be sure to find one that meets your needs.

The Caterpillar 304CR is a powerful and reliable machine that is perfect for those looking to tackle a wide range of construction projects. It offers a great combination of power and efficiency, making it a great choice for those who need to get the job done quickly and effectively. With its competitive pricing, estimated monthly maintenance costs, and estimated fuel costs, the 304CR is sure to be a great choice for those looking for a reliable and efficient excavator.

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