303E CR Mini Hydraulic Excavator
Overview
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.
Engine
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Net Power |
23.5hp |
Engine Model |
Cat C1.3 |
Gross Power |
24.8hp |
Gross Power - ISO 14396 |
24.8hp |
Stroke |
3.5in |
Displacement |
77in³ |
Bore |
3.1in |
Note |
Cat C1.3 engine meets U.S. EPA Tier 4 Final/EU Stage V emission standards. |
Rated Net Power - 2,400 rpm - ISO 9249/EEC 80/1269 |
23.5hp |
Weights
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Operating Weight - With Cab |
7204lb |
Note |
Weight includes counterweight, rubber tracks, bucket, operator, full fuel and auxiliary lines. |
Operating Weight - With Canopy |
6721lb |
Dimensions (Approximate) - Long Stick
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Dig Depth |
117in |
Overall Shipping Length |
198in |
Maximum Dump Clearance |
117in |
Boom Swing Left |
24in |
Boom Height in Shipping Position |
63in |
Swing Bearing Height |
22in |
Overall Track Width |
61in |
Maximum Blade Height |
16in |
Tail Swing with Extra Counterweight |
35in |
Maximum Blade Depth |
19in |
Boom Swing Right |
32in |
Maximum Dig Height |
167in |
Boom In Reach |
79in |
Vertical Wall |
69in |
Tail Swing |
31in |
Maximum Reach - Ground Level |
193in |
Overall Shipping Height |
98in |
Overall Undercarriage Length |
82in |
Track Belt/Shoe Width |
12in |
Maximum Reach |
198in |
Swing System
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Machine Swing Speed |
9r/min |
Boom Swing - Left* |
80° |
Note |
*Automatic swing brake, spring applied, hydraulic release. |
Boom Swing - Right |
50° |
Blade
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Width |
60in |
Height |
13in |
Dig Depth |
19in |
Lift Height |
16in |
Dimensions (Approximate) - Standard Stick
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Boom In Reach |
83in |
Maximum Reach - Ground Level |
189in |
Overall Shipping Length |
176in |
Vertical Wall |
77in |
Overall Shipping Height |
98in |
Maximum Reach |
195in |
Swing Bearing Height |
22in |
Boom Height in Shipping Position |
63in |
Maximum Blade Depth |
19in |
Maximum Blade Height |
16in |
Tail Swing with Extra Counterweight |
35in |
Boom Swing Right |
32in |
Boom Swing Left |
24in |
Overall Undercarriage Length |
82in |
Dig Depth |
108in |
Maximum Dig Height |
178in |
Overall Track Width |
60in |
Track Belt/Shoe Width |
12in |
Maximum Dump Clearance |
124in |
Tail Swing |
31in |
Weights*
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Operating Weight with Cab - Long Stick, Optional Counterweight |
7883lb |
Operating Weight with Canopy - Standard Stick, Optional Counterweight |
7307lb |
Operating Weight with Cab - Long Stick |
7296lb |
Operating Weight with Cab - Standard Stick, Optional Counterweight |
7790lb |
Operating Weight with Canopy - Standard Stick |
6721lb |
Note |
*Weight includes counterweight, rubber tracks, bucket, operator, full fuel and auxiliary lines. |
Operating Weight with Cab - Standard Stick |
7204lb |
Operating Weight with Canopy - Long Stick |
6813lb |
Operating Weight with Canopy - Long Stick, Optional Counterweight |
7400lb |
Travel System
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Ground Pressure with Cab - Long Stick, Optional Counterweight |
5.2psi |
Ground Pressure with Cab - Standard Stick, Optional Counterweight |
5.1psi |
Ground Pressure with Canopy - Standard Stick, Optional Counterweight |
4.8psi |
Maximum Traction Force - Low Speed |
6947lbf |
Maximum Traction Force - High Speed |
3417lbf |
Travel Speed - Low |
1.5mile/h |
Travel Speed - High |
2.8mile/h |
Ground Pressure - Canopy Long Stick |
4.5psi |
Gradeability - Continuous Operation |
20° |
Ground Pressure - Canopy Standard Stick |
4.4psi |
Ground Pressure with Canopy - Long Stick, Optional Counterweight |
4.9psi |
Ground Pressure - Cab Long Stick |
4.8psi |
Ground Pressure - Cab Standard Stick |
4.7psi |
Gradeability (< 10 minutes Operation) |
30° |
Operating Specifications
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Stick Length - Standard |
50in |
Stick Length - Long |
61in |
Machine Overhang |
0in |
Machine Overhang with Counterweight |
5in |
Undercarriage
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Number of Carrier Rollers |
1 |
Track Roller Type |
Center Flange |
Number of Track Rollers |
4 |
Hydraulic System
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Type |
Load Sensing Hydraulics with Variable Displacement Piston Pump |
Operating Pressure - Travel |
3553psi |
Operating Pressure - Swing |
2625psi |
Operating Pressure - Equipment |
3553psi |
Digging Force - Stick - Standard |
3732lbf |
Digging Force - Bucket |
6385lbf |
Digging Force - Stick - Long |
3327lbf |
Auxiliary Circuit - Primary (186 bar/2,697 psi) |
15.9gal/min |
Auxiliary Circuit - Secondary (174 bar/2,523 psi) |
7.1gal/min |
Pump Flow at 2,400 rpm |
23.1gal/min |
Certification - Cab and Canopy
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Tip Over Protective Structure (TOPS) |
ISO 12117:1997 |
Roll Over Protective Structure (ROPS) |
ISO 12117-2:2008 |
Top Guard |
ISO 10262:1998 (Level I) |
Service Refill Capacities
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Hydraulic Tank |
12.4gal (US) |
Hydraulic System |
17.2gal (US) |
Fuel Tank |
11.9gal (US) |
Engine Oil |
1.5gal (US) |
Cooling System |
1.2gal (US) |
Lift Capacities at Ground Level* - Lift Point Radius: 4000 mm (13'1")
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Blade Up - Front |
904lb |
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 |
750lb |
Blade Down - Front |
1632lb |
Blade Up - Side |
662lb |
Lift Capacities at Ground Level* - Lift Point Radius: 3000 mm (9'8")
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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 Up - Front |
1433lb |
Blade Up - Side |
1080lb |
Blade Down - Front |
2580lb |
Blade Down - Side |
1191lb |
Standard Equipment:
Standard Equipment
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1-way and 2-way (combined function) auxiliary hydraulic lines
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Lockable storage box
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Cab mounted work light
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Travel alarm (optional in Europe)
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Dozer blade with float function
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Suspension seat, vinyl covered
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Automatic two speed travel
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Horn
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Lifting eye on bucket linkage (standard equipment for all regions except Europe)
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Alternator
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Product Link™
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Cup holder
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Control pattern changer
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Coat hook
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Standard stick
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Low maintenance linkage pin joints
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Gauges or indicators for fuel level engine coolant temperature, hour meter, engine oil pressure, air cleaner, alternator and glow plugs, service interval
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Rubber track
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Canopy with Top Guard ISO 10262:1998 (Level 1), ROPS ISO 12117-2:2008 and TOPS ISO 12117:1997
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Hydraulic oil cooler
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Auxiliary line quick disconnects
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Retractable seatbelt
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Boom cylinder guard
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Maintenance free battery
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Adjustable armrests
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“Thumb ready” sticks
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Automatic swing park brake
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Foot travel pedals
Optional Equipment:
Optional Equipment
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Mirrors for cab and canopy
Steel track
Cab, Top Guard ISO 10262:1998 (Level 1), ROPS ISO 12117-2:2008 and TOPS ISO 12117:1997
Mechanical quick coupler
Boom mounted light
High back suspension seat, fabric covered
Beacon socket for canopy machines