303.5C CR Caterpillar excavator specs & dimensions (2006 - 2010)

Caterpillar 303.5C CR is a mini excavator manufactured from 2006 to 2010, with a weight of 3.7 tons. It features a track width of …

Caterpillar 303.5C CR is a mini excavator manufactured from 2006 to 2010, with a weight of 3.7 tons. It features a track width of 300 mm, a transport length of 4.82 meters, a transport width of 1.78 meters, and a transport height of 2.5 meters. The bucket capacity is 0.07 cubic meters, and it is equipped with a rubber track.

303.5C CR

Years of manufacture: 2006—2010

Data sheet
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Technical specs - 303.5C CR Caterpillar

Specification

Notice: Every data listed is verified by LECTURA Specs team experts. However, incomplete data and mistakes might occur. Contact our team with any change suggestion.

Weight: 3.7 t

Transport length: 4.82 m

Transport width: 1.78 m

Transport height: 2.5 m

Bucket capacity: 0.07 m³

Track width: 300 mm

Driver protection: Kb

Max. Reach horizontal: 5.62 m

Dredging depth: 3.45 m

Tear-out force: 21.6 kN

Model series: CR

Engine manuf.: Mitsubishi

Engine type: S3Q2-T

Engine power: 29 kW

Displacement: 1.9 l

Revolutions at max torque: 2400 rpm

More technical details, like: bucket capacity min., bucket capacity max., bucket width, standard tyres, dimension lxwxh, max. torque, no. of cylinders, cylinder bore x stroke, emission level are available in the full technical specs.

Basic model with standard bucket

Special equipment

Track adjustment: No
Rubber track: Yes
Blade: No
Aircondition: No
Quick hitch hydr.: No
Quick hitch mech.: No

Download specalog and datasheets (PDF)

Caterpillar 303.5C CR FAQ

When was the Caterpillar 303.5C CR manufactured?

The Caterpillar 303.5C CR was manufactured from 2006 to 2010.

How much does the Caterpillar 303.5C CR weigh?

The Caterpillar 303.5C CR weighs 3.7 tons.

What are the transport dimensions of the Caterpillar 303.5C CR mini excavator?

The Caterpillar 303.5C CR has a transport length of 4.82 meters, a transport width of 1.78 meters, and a transport height of 2.5 meters.

What is the track width of the Caterpillar 303.5C CR mini excavator?

The Caterpillar 303.5C CR mini excavator has a track width of 300 mm.

What are the excavation performance specifications of the Caterpillar 303.5C CR mini excavator?

The Caterpillar 303.5C CR mini excavator has a dredging depth of 3.45 meters and a maximum horizontal reach of 5.62 meters.

What is the tear-out force of the Caterpillar 303.5C CR mini excavator?

The Caterpillar 303.5C CR mini excavator has a tear-out force of 21.6 kN.

What is the bucket capacity of the Caterpillar 303.5C CR mini excavator?

The Caterpillar 303.5C CR mini excavator has a bucket capacity of 0.07 cubic meters.

What operator safety features does the Caterpillar 303.5C CR have?

The Caterpillar 303.5C CR has a cabin for driver protection.

How much is a Caterpillar 303.5C CR Mini excavator (2006u20132010) worth?

The residual value of the Caterpillar 303.5C CR depends on the machine's individual parameters. Visit the LECTURA Valuation to check it.

Caterpillar 303.5C CR overview

Caterpillar 303.5C CR features overview

Joystick mounted auxiliary and boom swing
controls give fingertip control of machine functions and an uncluttered floor.
Fully pilot operated controls. Pilot operated controls on all
Services including travel levers and dozer function ensure that as a new level of controllability is maintained throughout the life of the machine.
Automatic two speed function. Improves machine
manoeuvrability around the site. Increasing productivity by balancing high speed requirements with control.
Joystick mounted auxiliary and boom swing functions.
The new joystick mounted position of these features gives fingertip control and a clear cab floor.

Engine / Driveline and transmission

Performance and Versatility
Turbocharged three-cylinder diesel engine in the Cat 303.5C CR offers a massive 39 hp, coupled with a variable displacement pump that makes it ideal for tough work at height.
Good access to main check points and major components makes servicing and maintaining the 303.5C CR easier.
Rear door pivot. Provides access to major components and service points: (cid:2) Engine oil check and fill (cid:2) Vertically mounted engine oil filter (cid:2) Starter motor (cid:2) Alternator Lift side hood. Allows excellent access to: (cid:2) Air filter (cid:2) Main implement valve (cid:2) Auxiliary changes via valve (cid:2) Accumulator (cid:2) Fuel filter (cid:2) Hydraulic tank (cid:2) Radiator and oil cooler

Hydraulics

Caterpillar offers a wide range of work tools to increase the machines versatility even further.
These tools are designed to get the most out of the machine and deliver excellent value through high productivity and long service life. Tools on offer include: (cid:2) Digging Buckets (cid:2) Ditch Cleaning Bars (cid:2) Angling Stitch Blades (cid:2) Hydraulic Hammers (cid:2) Augers Mechanical Quick Coupler. The Caterpillar Quick Coupler makes tool changes quick and easy. Maximizing performance and compatible with all standard work tools. 2. Auxiliary Circle. Versatility of Work Tools is further enhanced thanks to the option of a second additional auxiliary supply.

Dimensions and weight

	mm
Width	1780
Height of blade	325
Dig depth	470
Lift height	400

Single variable piston pump	displacement 85 l/min at 2400 rpm
Operating pressures
Equipment	245 bar
Travel	245 bar
Swing	181 bar
Auxiliary circuits
Primary	60 l/min at 245 bar
Secondary	27 l/min at 181 bar
Digging Forces
Stick	standard"	21.6 kN
Stick	long"	19.5 kN
Bucket	37.8 kN

Other features

Exceptionally high digging forces
and fast cycle times ensure that the Cat 303.5C Series CR delivers productivity demanded by our customers.
High level of standard comfort features. Reclining suspension
Seat, power point, adjustable wrist rests and a cup holder are standard features on the C CR machines.

Tables

With canopy	3575 kg
With cab	3695 kg

	Liters
Cooling system	6
Engine oil	6
Fuel tank	51
Hydraulic tank	37
Hydraulic system	65

	kg	kg
Canopy	3575	**3790
Cab	3695	**3910

Left (without stop)	70°
Left (with stop)	55°

Bore	88 mm
Stroke	103 mm
Displacement	1.9 l

Travel speed
High	4.6 km/h
Low	2.6 km/h
Traction force
High Speed	17.7 kN
Low Speed	33.4 kN
Gradeability	30°

		Over front	Over side	Over front	Over side
Lift Point Radius	mm	3000		4950
Blade down	kg	*1630	720	*570	340
Blade up	kg	750	660	350	310

Machine inspection

Ask for inspection of your Caterpillar 303.5C CR from experts

Mevas is an international operating inspection service for used heavy machinery. Construction machinery inspectors are available in more than 20 countries.

Use this service to minimise the risk when buying used equipment. An inspection by Mevas costs less than repairing a defective hydraulic cylinder.

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Buy & Rent

Mini Excavator Buyers Guide - price ranges of new and used models

At LECTURA we collect prices since 40 years and based on this data, we can support buyers with price guides of used mini excavators, such as Caterpillar 303.5C CR.

Check what new and used models of mini excavators you can get in each price range:

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Compare Caterpillar 303.5C CR with similar Mini Excavators

Caterpillar 303.5C CR

Weight:: 3.7 t

Transport length:: 4.82 m

Transport width:: 1.78 m

Transport height:: 2.5 m

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Transport length:: 4.645 m

Transport width:: 1.5 m

Transport height:: 2.515 m

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Weight:: 3.86 t

Transport length:: 4.81 m

Transport width:: 1.7 m

Transport height:: 2.5 m

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Weight:: 4.05 t

Ditch Witch XT1600

Weight:: 4.2 t

Transport length:: 4.55 m

Transport width:: 1.7 m

Transport height:: 2.72 m

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Spare parts & Components

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News

Construction News by LECTURA 19.06.2026

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Building on the proven performance of their predecessors, the new DEVELON DA30-7 and DA45-7 articulated dump trucks (ADTs) feature a newly redesigned cabin designed to enhance operator productivity, comfort and safety through advanced automation and intuitive technology.