303E CR Mini Hydraulic Excavator

303E CR Mini Hydraulic Excavator

The Cat® 303E CR Mini Hydraulic Excavator delivers high performance, durability and versatility in a compact design to help you work in a variety of applications.

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Engine

Engine Model
Cat C1.3
Net Power
23.5HP
Gross Power
24.8HP
Rated Net Power - 2,400 rpm - ISO 9249/EEC 80/1269
23.5HP
Gross Power - ISO 14396
24.8HP
Bore
3.1in
Displacement
77in³
Stroke
3.5in

Weights

Operating Weight - With Cab
7204lb
Note
Weight includes counterweight, rubber tracks, bucket, operator, full fuel and auxiliary lines.
Operating Weight - With Canopy
6721lb

Swing System

Machine Swing Speed
9r/min
Boom Swing - Left*
80°
Boom Swing - Right
50°
Note
*Automatic swing brake, spring applied, hydraulic release.

Blade

Width
60in
Height
13in
Dig Depth
19in
Lift Height
16in

Service Refill Capacities

Engine Oil
1.5gal (US)
Cooling System
1.2gal (US)
Hydraulic Tank
12.4gal (US)
Hydraulic System
17.2gal (US)
Fuel Tank
11.9gal (US)

Hydraulic System

Pump Flow at 2,400 rpm
23.1gal/min
Type
Load Sensing Hydraulics with Variable Displacement Piston Pump
Digging Force - Bucket
6385lbf
Digging Force - Stick - Standard
3732lbf
Operating Pressure - Equipment
3553psi
Operating Pressure - Swing
2625psi
Operating Pressure - Travel
3553psi
Digging Force - Stick - Long
3327lbf

Undercarriage

Number of Track Rollers
4
Track Roller Type
Center Flange
Number of Carrier Rollers
1

Certification - Cab and Canopy

Tip Over Protective Structure (TOPS)
ISO 12117:1997
Top Guard
ISO 10262:1998 (Level I)
Roll Over Protective Structure (ROPS)
ISO 12117-2:2008

Dimensions (Approximate) - Long Stick

Maximum Reach - Ground Level
193in
Maximum Dig Height
167in

Travel System

Travel Speed - Low
1.5mile/h
Maximum Traction Force - High Speed
3417lbf
Maximum Traction Force - Low Speed
6947lbf
Travel Speed - High
2.8mile/h
Gradeability - Continuous Operation
20°
Ground Pressure - Cab Long Stick
4.8psi
Ground Pressure - Cab Standard Stick
4.7psi
Ground Pressure - Canopy Long Stick
4.5psi
Ground Pressure - Canopy Standard Stick
4.4psi

Weights*

Operating Weight with Canopy - Standard Stick, Optional Counterweight
7307lb
Note
*Weight includes counterweight, rubber tracks, bucket, operator, full fuel and auxiliary lines.

Dimensions (Approximate) - Standard Stick

Maximum Dig Height
178in
Maximum Reach - Ground Level
189in

Lift Capacities at Ground Level* - Lift Point Radius: 3000 mm (9'8")

Blade Down - Front
2580lb
Blade Down - Side
1191lb
Blade Up - Front
1433lb
Blade Up - Side
1080lb
Note
*The above loads are in compliance with hydraulic excavator lift capacity rating standard ISO 10567:2007 and they do not exceed 87% of hydraulic lifting capacity or 75% of tipping capacity. The excavator bucket weight is not included on this chart. Liftin

Lift Capacities at Ground Level* - Lift Point Radius: 4000 mm (13'1")

Blade Down - Front
1632lb
Blade Down - Side
750lb
Blade Up - Front
904lb
Blade Up - Side
662lb
Note
*The above loads are in compliance with hydraulic excavator lift capacity rating standard ISO 10567:2007 and they do not exceed 87% of hydraulic lifting capacity or 75% of tipping capacity. The excavator bucket weight is not included on this chart. Liftin

Operating Specifications

Machine Overhang
0in
Machine Overhang with Counterweight
5in
Stick Length - Long
61in
Stick Length - Standard
50in

Standard Equipment:

Optional Equipment:

    Optional Equipment
    • Beacon socket for canopy machines
    • Boom mounted light
    • Cab, Top Guard ISO 10262:1998 (Level 1), ROPS ISO 12117-2:2008 and TOPS ISO 12117:1997
    • High back suspension seat, fabric covered
    • Mechanical quick coupler
    • Mirrors for cab and canopy
    • Steel track