303E CR Mini Hydraulic Excavator

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.

Product Specs

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

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
Blade Down - Front
1632lb
Blade Down - Side
750lb
Blade Up - Side
662lb
Blade Up - Front
904lb

Operating Specifications

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

Travel System

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
Maximum Traction Force - Low Speed
6947
Travel Speed - High
2.8mile/h
Travel Speed - Low
1.5mile/h
Maximum Traction Force - High Speed
3417
Gradeability (< 10 minutes Operation)
30°
Ground Pressure with Cab - Long Stick, Optional Counterweight
5.2psi
Ground Pressure with Cab - Standard Stick, Optional Counterweight
5.1psi
Ground Pressure with Canopy - Long Stick, Optional Counterweight
4.9psi
Ground Pressure with Canopy - Standard Stick, Optional Counterweight
4.8psi

Weights*

Note
*Weight includes counterweight, rubber tracks, bucket, operator, full fuel and auxiliary lines.
Operating Weight with Cab - Long Stick
7296lb
Operating Weight with Cab - Long Stick, Optional Counterweight
7883lb
Operating Weight with Cab - Standard Stick
7204lb
Operating Weight with Cab - Standard Stick, Optional Counterweight
7790lb
Operating Weight with Canopy - Long Stick
6813lb
Operating Weight with Canopy - Long Stick, Optional Counterweight
7400lb
Operating Weight with Canopy - Standard Stick
6721lb
Operating Weight with Canopy - Standard Stick, Optional Counterweight
7307lb

Engine

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

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

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
Blade Down - Side
1191lb
Blade Down - Front
2580lb
Blade Up - Front
1433lb
Blade Up - Side
1080lb

Service Refill Capacities

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

Swing System

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

Certification - Cab and Canopy

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

Blade

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

Hydraulic System

Operating Pressure - Travel
3553psi
Operating Pressure - Equipment
3553psi
Digging Force - Stick - Standard
3732
Type
Load Sensing Hydraulics with Variable Displacement Piston Pump
Operating Pressure - Swing
2625psi
Digging Force - Stick - Long
3327
Pump Flow at 2,400 rpm
23.1gal/min
Digging Force - Bucket
6385
Auxiliary Circuit - Primary (186 bar/2,697 psi)
15.9gal/min
Auxiliary Circuit - Secondary (174 bar/2,523 psi)
7.1gal/min

Undercarriage

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

Weights

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

Dimensions (Approximate) - Long Stick

Maximum Dig Height
167in
Maximum Reach - Ground Level
193in
Boom Height in Shipping Position
63in
Boom Swing Left
24in
Boom Swing Right
32in
Dig Depth
117in
Maximum Blade Depth
19in
Maximum Blade Height
16in
Maximum Dump Clearance
117in
Maximum Reach
198in
Overall Shipping Height
98in
Overall Shipping Length
198in
Overall Track Width
61in
Overall Undercarriage Length
82in
Swing Bearing Height
22in
Tail Swing
31in
Tail Swing with Extra Counterweight
35in
Track Belt/Shoe Width
12in
Vertical Wall
69in

Dimensions (Approximate) - Standard Stick

Maximum Dig Height
178in
Maximum Reach - Ground Level
189in
Boom Height in Shipping Position
63in
Boom In Reach
83in
Boom Swing Left
24in
Boom Swing Right
32in
Dig Depth
108in
Maximum Blade Depth
19in
Maximum Blade Height
16in
Maximum Dump Clearance
124in
Maximum Reach
195in
Overall Shipping Height
98in
Overall Shipping Length
176in
Overall Track Width
60in
Overall Undercarriage Length
82in
Swing Bearing Height
22in
Tail Swing
31in
Tail Swing with Extra Counterweight
35in
Track Belt/Shoe Width
12in
Vertical Wall
77in

Worktool Attachments

Equipment

  • Standard Equipment
    • 1-way and 2-way (combined function) auxiliary hydraulic lines
    • Adjustable armrests
    • Alternator
    • Automatic swing park brake
    • Automatic two speed travel
    • Auxiliary line quick disconnects
    • Boom cylinder guard
    • Cab mounted work light
    • Canopy with Top Guard ISO 10262:1998 (Level 1), ROPS ISO 12117-2:2008 and TOPS ISO 12117:1997
    • Coat hook
    • Cup holder
    • Control pattern changer
    • Dozer blade with float function
    • Foot travel pedals
    • Gauges or indicators for fuel level engine coolant temperature, hour meter, engine oil pressure, air cleaner, alternator and glow plugs, service interval
    • Horn
    • Hydraulic oil cooler
    • Lifting eye on bucket linkage (standard equipment for all regions except Europe)
    • Lockable storage box
    • Low maintenance linkage pin joints
    • Maintenance free battery
    • Product Link
    • Rubber track
    • Retractable seatbelt
    • Standard stick
    • Suspension seat, vinyl covered
    • “Thumb ready” sticks
    • Travel alarm (optional in Europe)

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

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