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CAT CAT®303.5E CR Cab Mini excavator

CAT CAT®303.5E CR Cab Mini excavator

Operating mass of complete machine (kg):
3732 kg
Rated power (KW/rpm):
23.6kW/2400 rpm
Engine model:
Cat C1.8
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Product Feature

Stability

303.5E CR Excellent stability,While maintaining a compact radius design。

Higher stability enables the use of heavier tools,Thereby improving productivity,Enhance versatility。

Faster with Load Sensing Hydraulic System、More powerful digging.

High breakout forces and short cycle times provide the productivity you need。

Load-sensing hydraulics optimize flow,Get smooth, powerful performance and better fuel efficiency。

200 degree bucket rotation

Industry-leading bucket rotation of more than 200 degrees provides enhanced material retention during truck loading。

It allows for easier vertical wall excavation,No need to reposition the machine。

Product Parameter

Engine

 

Engine model

Cat C1.8

2400 rpm At the time
Rated net power

 

ISO 9249/EEC 80/1269

23.6kW/31.6 hp

Total power

 

ISO 14396

24.8 kW/33.3 hp

Cylinder bore

87 mm/3.4"

Stroke

102.4 mm/4"

Displacement

1.8L/110 in³

Weight*

 

Operating weight with headliner

3548 kg/7822 lb

Operating weight with cab

3732 kg/8227 lb

Travel system

 

High travel speed

4.6 km/h/2.8 mph

Low travel speed

2.6 km/h/1.6 mph

Maximum traction – High speed

16.9 kN/3799 lb

Maximum traction – Low speed

31.0 kN/6969 lb

Ground pressure

32.1 kPa/.7 psi

Gradeability(Max)

30°

Maintenance refill capacity

 

Cooling system

5.5 L/1.5 gal

Engine oil

7.0 L/1.8 gal

Fuel tank

46 L/12.2 gal

Hydraulic oil tank

42.3 L/11.2 gal

Hydraulic system

65 L/17.2 gal

Hydraulic system

 

Equipped with variable displacement piston pump
The Load Sensing Hydraulic System

 

The speed is 2400 rpm
Pump flow at

87.6 L/min/23.1 gal/min

Equipment operating pressure

245 bar/3553 psi

Travel operating pressure

245 bar/3553 psi

Swing operating pressure

181 bar/2625 psi

Auxiliary circuit – Mainly
(186 bar/2734 psi)

60 L/min;15.9 gal/min

Auxiliary circuit – Secondary
(174 bar/2524 psi)

27 L/min;7.1 gal/min

Arm digging force(Standard)

18.9 kN;4249 lb

Arm(Long)Digging force

16.9 kN;3799 lb

Bucket digging force

33.0 kN;7419 lb

Slewing system

 

Machine swing speed

9 rpm

Boom swing – Left side

80°

Boom swing – Right side

50°

Automatic swing brake,
Spring-type hydraulic release。

 

Blade

 

Width

1780 mm/70.0"

Height

325 mm/12.8"

Depth of excavation

470 mm/18.5"

Lifting height

400 mm/15.7"

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