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CAT Cat® 303 CR Mini excavator

CAT Cat® 303 CR Mini excavator

Operating mass of complete machine (kg):
3600
Rated power (KW/rpm):
17.6/2400
Engine model:
C1.1 涡轮
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Product Feature

● All-weather comfort experience

Select canopy or sealed pressurized cab,Air conditioning is available、Adjustable wrist rest and suspension seat,Bring you a comfortable working experience around the clock。

● And is easy to operate

Controls are easy to use,Intuitive Next Generation LCD Monitors provide easy-to-read machine information。The machine can also be equipped with an advanced touch screen monitor。

● Single Handle Travel Mode

Use Cat Single Handle Travel Mode,Easier control of device movement。Easily switch from conventional ride control with joysticks and pedals to joystick control,To move the machine and operate the blade。New controls make operation easier,Everything is under control.。

● Compact but great performance

Powerful lifting and digging performance helps you get the job done faster。Compact radius design allows you to work in extremely tight area。Dozer float for easy cleanup。

● The construction site is safe

Your safety is our top priority.。Cat Mini excavators are specially designed,Helps you work safely at all times。We have many safety features in the machine.,Such as courtesy work lights and fluorescent retracting seat belts。

● Easy to maintain,Reduce downtime

Cat Easier maintenance of mini excavator、Quick。Daily inspection points can be easily serviced on the ground through a side door。The unique openable cab or roof allows you to have more convenient maintenance and operation space.。

● Lower operating costs

Cat Mini excavators are equipped with automatic idle speed、Automatic engine shutdown and efficient hydraulic system(With variable displacement pump)And other functions,Designed to reduce your operating costs。

● Unmatched Dealer Support

Cat Dealers are ready to help you achieve your business goals。From equipment solutions to operator training,Then to maintenance services and so on.,Cat Agents are always available to assist you.。

Product Parameter


Engine

 

Engine model

C1.1 Turbine

The speed is 2400 rpm The net power at

ISO 9249,80/1269/EEC

17.6kW

The speed is 2400 rpm Of the time

Total powerSAE J1995:2014

18.4 kW

Cylinder bore

77.0 mm

Stroke

 81.0 mm

Displacement

1.1 L

• Meet China's fourth national emission standard for off-road vehicles。

• Net power is defined as the total power consumption of accessories installed.,Uch as a silencer、Fan、Hand in

Under the condition of flowing generator and air filter,The engine is in

Power output measured at the flywheel at rated speed。

• Nominal power is tested in accordance with the specified standard in effect at the time of manufacture。

Weight

 

Minimum Operating Weight(Including the roof)*

3105 kg

Maximum operating weight(Including the roof)**

 3480 kg

Minimum Operating Weight(Cab included)*

3220 kg

Maximum operating weight(Cab included)**

 3600 kg

*** Minimum weight based on rubber track、Operator、Full fuel tank、Mark

Quasi-stick、Blade、Measured by the bucket,No additional weights。

*** Maximum weight based on steel track、Operator、Full fuel tank、Mark

Quasi-stick、Blade、Bucket and Extra Weight Measured。

Weight increase for minimum configuration

Cab

 115 kg

Additional counterweight

250 kg

Steel track

125 kg

Travel system

 

Travel speed – High

4.5 km/h

Travel speed – Low

2.6 km/h

Maximum traction – High speed

14.7 kN

Maximum traction – Low speed

 31.4 kN

Ground pressure – Minimum weight

 28.3 kPa

Ground pressure – Maximum weight

32.8 kPa

Gradeability(Max)

 30 degrees

Service refill capacity

 

Cooling system

4.0 L

Engine oil

 4.0 L

Fuel tank

 45.0 L

Hydraulic oil tank

18.0 L

Hydraulic system

35.0 L

Hydraulic system

 

Load Sensing Hydraulic System with Variable Displacement Piston Pump

The speed is 2400 rpm Pump flow at

100 L/min

Work pressure – Equipment

245 bar

Work pressure – Drive

245 bar

Work pressure – Turn around

 176 bar

Main auxiliary circuit

 

Flow rate *

 65 L/min

Pressure *

245 bar

Digging force – Standard stick

16.6 kN

Digging force – Bucket

 28.4 kN

* Flow and pressure are not combinable。When under load,

As that flow increase,Pressure drop。

Slewing system

 

Machine swing speed

 9.0 rpm

Boom swing – Left side

75 degrees

Boom swing – Right side

50 degrees

Blade

 

Width

1550 mm

Height

350 mm

Certification – Cab and roof

 

Roll-over protection structures(ROPS)

 ISO 12117-2:2008

Anti-rollover protection structures(TOPS)

 ISO 12117:1997

Top shield

 ISO 10262:1998(I Level)

Size

 

Standard stick

 

1 Excavation depth

 2650 mm

2 Maximum Vertical Digging Depth

 1820 mm

3 Maximum ground reach

 4830 mm

4 Maximum Reach

 4980 mm

5 Maximum Digging Height

 4510 mm

6 Maximum unloading clearance

 3170 mm

7Boom retract position

1750 mm

8 Rear radius of gyration

 

No counterweight

775 mm

With additional counterweight

 890 mm

9Maximum blade height

385 mm

10Maximum Blade Depth

 535 mm

11Boom transport height

1600 mm

12 Total transport height

 2480 mm

13Swing bearing height

570 mm

14Overall undercarriage length

 2070 mm

15 Total length of transportation

4510 mm

16Boom swing right

870 mm

17Boom swing left

 640 mm

18 Track/Board width

300 mm

19 track width

 1550 mm

20 Ground Clearance

310 mm

21Stick length

 1260 mm

† The total length of the transport depends on the position of the blade during transport。

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