CAT Cat® 303 CR Mini excavator
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。 |
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• 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。 |
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• Nominal power is tested in accordance with the specified standard in effect at the time of manufacture。 |
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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。 |
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*** Maximum weight based on steel track、Operator、Full fuel tank、Mark Quasi-stick、Blade、Bucket and Extra Weight Measured。 |
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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。 |
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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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