Overview
The 303.5 Mini Hydraulic Excavator is built to the same high standards as larger Caterpillar® excavators. Stylish design, high quality finish and impact resistant non-metallic corner protectors help maintain the machine's high value.
Specifications
| Engine Model | 3013 |
| Net Power | — |
| Operating Weight | — |
Benefits & Features
Specifications
| Engine Model | 3013 |
| Net Power | — |
| Gross Power | — |
| Operating Weight | — |
| Operating Weight - With Cab | — |
| Maximum Digging Depth - Standard Stick | — |
| Maximum Reach - Ground Level - Standard Stick | — |
| Swing Radius - Rear | — |
| Track Gauge | — |
| Maximum Vertical Dig Depth - Standard Stick | — |
| Height - Over Canopy | — |
| Maximum Digging Depth - Long Stick | — |
| Maximum Reach - Ground Level - Long Stick | — |
| Maximum Dump Height - Standard Stick | — |
| Width - Upper Structure | — |
| Width - Over Track | — |
| Maximum Cutting Height - Long Stick | — |
| Height - Over Cab | — |
| Maximum Cutting Height - Standard Stick | — |
| Maximum Horizontal Reach - Long Stick | — |
| Maximum Horizontal Reach - Standard Stick | — |
| Maximum Dump Height - Long Stick | — |
| Maximum Vertical Dig Depth - Long Stick | — |
| Stick Length - Standard Stick | — |
| Center Ground Clearance | — |
| Shipping Length | — |
| Stick Length - Long Stick | — |
| Track Shoe Width | — |
| Bore | — |
| Stroke | — |
| Displacement | — |
| Gradeability - Maximum - High | — |
| Gradeability - Maximum - Low | — |
| Travel Speed - Low | — |
| Travel Speed - High | — |
| Maximum Traction Force - High Speed | — |
| Maximum Traction Force - Low Speed | — |
| Pump - Gear (Tandem) | — |
| Pump - Gear (Single) | — |
| Operating Pressure - Equipment | — |
| Digging Force - Stick - Standard | — |
| Digging Force - Stick - Long | — |
| Digging Force - Bucket | — |
| Operating Pressure - Travel | — |
| Operating Pressure - Swing | — |
| Auxiliary Circuit - Primary (245 bar/3,553 psi) | — |
| Type | Hydraulic Motor Driven |
| Machine Swing Speed | — |
| Boom Swing - Left - Without Stop | — |
| Boom Swing - Left - With Stop | — |
| Boom Swing - Right | — |
| Type | Twelve-volt system |
| Width | — |
| Height | — |
| Dig Depth | — |
| Lift Height | — |
| Cooling System TAG | — |
| Engine Oil | — |
| Hydraulic Tank | — |
| Fuel Tank | — |
| Hydraulic System | — |
| MSC Spec Date | 1/1/2000 |
Benefits & Features
Overview
Performance and Versatility
A wide range of work tools gives the 303.5 Mini Hydraulic Excavator versatility in application such as building construction, landscaping and demolition.
Ease of Operation
Equipped with cab or canopy, the 303.5 provides an excellent view to the work area. Low effort controls are ergonomically designed for maximum comfort and smooth operation.
Excellent Serviceability
Tilt-up hood gives access to all major components and service points, making daily maintenance easy.
Customer Support
Caterpillar dealers offer unmatched customer support with excellent equipment management services and fast parts availability, resulting in maximum uptime and minimum repair costs.
Travel Alarm
This is an optional audible alert to further increase site safety.
Overall Machine
Corner Panels
The corner panels on the rear of the machine are made of durable, impact-resistant plastic, helping to maintain the appearance of the machine.
System Solution
The 303.5 Mini Hydraulic Excavator can be used as a part of a "system solution" to meet customers' needs. It is capable of partnering with other machines to maximize productivity and efficiency.
Boom Swing Post
The boom swing post is offset right of center of the operator's seat to enhance visibility of the work tool.
Design
High quality paint finish, strong robust appearance, non-metallic impact resistant corner protectors, narrow and overall dimensions and good stability for excavating and lifting help maintain the machine's high value.
Undercarriage
Rubber-belted Track
Rubber-belted tracks are used when the machine is operated on blacktop and other finished surfaces to reduce damage. The majority of mini 303.5 Hydraulic Excavators will be equipped with this option as they are frequently used in urban construction.
Steel Double Grouser Shoes
Steel double grouser shoes are recommended for use in demolition and other applications that can severely damage rubber track.
Engine
Air Filter
Both primary and secondary air filters are used. The high capacity filters are sized to handle extremely dirty operating conditions.
Radiator
The 303.5 is equipped with a steel core, double-layer, fin-type radiator, supplying the machine with a large heat exchange capacity.
Electrical System
The electrical harnesses use Deutsch sealed connectors and are designed to meet Caterpillar's high standards of reliability.
Hydraulic System
Control Valve
The control valve assembly is located under the floor plates on the left side of the operator station.
Pumps
The system has two variable displacement and track drive pumps running boom, stick, bucket and track drive circuits and one fixed displacement pump for main and boom swing.
Hose Fittings
Hose fittings use Caterpillar O-ring face seals to ensure leak-free operation. Hydraulic lines exposed to the operator are wrapped in protective sleeves to reduce the potential for accidental exposure to oil in case of a hose failure.
Oil Filter
All oil returning to the tank passes through a spin-on filter that is located on the return to tank line. The filter is located behind the right side rear corner protector, next to the radiator.
Hydraulic Oil Cooler
A standard hydraulic oil cooler allows the 303.5 to work in a wide range of temperature conditions with a wide range of work tools.
Auxiliary Circuits
Two optional front hydraulic auxiliary circuits are available to provide power to a range of hydromechanical tools, further increasing the versatility of the machine.
Control Design
A hydraulic pilot control design is used for the control of the stick, bucket, boom and upper frame swing circuits.
Swing Circuit
The swing circuit, with its own hydraulic pump, is unaffected by the operation of the front linkage, ensuring constant swing speed and force.
Control Pattern Changer
The standard pilot controls are configured to the ISO pattern. A pattern changer is available and allows the operator to choose either ISO or SAE controls.
Add Environmental Protection
The optional bio-degradable hydraulic oil is an environmentally friendly alternative to mineral hydraulic oils.
Front Linkage
Box and Boom
The box has the typical large excavator curved shape. The boom cylinder incorporates end damping, reducing shock loading and bucket spillage.
Boom Swing
The standard boom swing has a cast swing post. The boom swing angle is 55 degrees. This prevents accidental interference between wide buckets and the cab/canopy structure.
Optional Long Stick
The optional long stick increases maximum digging depth and maximum reach.
Operator Station
Visibility
The boom swing post is offset right of center of the operator's seat to enhance visibility of the work tool. For this reason, the back of the boom will never entirely cover the operator's viewing range.
Enclosed Cab
The cab of the 303.5 offers excellent comfort due to its size which is larger than that of most competitors.
Canopy
The four post design canopy is secured with four bolts. The structure comes with mounting blocks for lights, mirrors, and front guards.
Seats
A choice of seats, vinyl or fabric suspension, with seat belts, are available to meet the requirements of customers. Seats are contoured for comfort and support and are adjustable fore/aft.
Lockable Storage Area
There is lockable storage area, space for small tools, literature, etc. located under the seat.
FOPS/TOPS Requirements
Cab and canopy options meet both FOPS (Falling Objects Protection) ISO 3449 Level I and TOPS (Tip-Over Protection) ISO 12117 certification requirements, providing the operator with a safe environment.
Work Lights
Two working lights can be installed on the same machine.
Beacon
A cab or canopy mounted beacon is available through the parts distribution system for field installation only.
Travel Alarm
An optional travel alarm signals when machine is traveling at the job site.
Hydraulic Controls
Low effort pilot hydraulics and ergonomically designed controls minimize fatigue and maximize comfort for the operator.
Seat Belt Width
The standard width seat belt on Caterpillar Mini Hydraulic Excavators is 2", but a 3" option is available to meet the legal requirements in the States of California and Oregon in the USA, and in British Columbia in Canada.
Radio Preparation Package
This equips the cab with speakers, wiring and mounting brackets (radio not included) and is only available when ordering a cab.
Tool Kit
Enables operators to make necessary checks / repairs. This kit comprises 4 wrenches, a torque wrench, a screwdriver, a hammer, two wrenches and a tool roll.
Data not available.
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