303E CR Mini Hydraulic Excavator

303E CR Mini Hydraulic Excavator

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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

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

Weights

Operating Weight with Cab
7782 lb
Operating Weight with Canopy
7297 lb
Note
Weight includes counterweight, rubber tracks, bucket, operator, full fuel and auxiliary lines.

Travel System

Travel Speed – High
2.8 mph
Travel Speed – Low
1.5 mph
Max Traction Force – High Speed
3417 lb
Max Traction Force – Low Speed
6946 lb
Ground Pressure
4.6 psi
Gradeability (maximum)
30°

Hydraulic System

Pump Flow at 2,400 rpm
23.1 gal/min
Operating Pressure – Equipment
3553 psi
Operating Pressure – Travel
3553 psi
Operating Pressure – Swing
2625 psi
Auxiliary Circuit – Primary (186 bar/2,734 psi)
15.9 gal/min
Auxiliary Circuit – Secondary (174 bar/2,524 psi)
7.1 gal/min
Digging Force – Stick (standard)
3731 lb
Digging Force – Bucket
6384 lb
Type
Load Sensing Hydraulics with Variable Displacement Piston Pump

Swing System

Machine Swing Speed
9 rpm
Boom Swing – Left*
80°
Note
*Automatic swing brake, spring applied, hydraulic release.
Boom Swing – Right
50°

Blade

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

Service Refill Capacities

Cooling System
1.2 gal
Engine Oil
1.5 gal
Hydraulic Tank
12.4 gal
Fuel Tank
11.8 gal
Hydraulic System
17.2 gal

Dimensions (Approximate)

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

Undercarriage

Number of Carrier Rollers
3
Number of Track Rollers
3
Track Roller Type
Double Flange

Certification – Cab and Canopy

Roll Over Protective Structure (ROPS)
ISO 12117-2
Tip Over Protective Structure (TOPS)
ISO 12117
Top Guard
ISO 10262 (Level I)
  • Beacon socket for canopy machines
  • Boom mounted light
  • Cab, Top Guard ISO 10262 (Level 1), ROPS ISO 12117-2 and TOPS ISO 12117
  • High back suspension seat, fabric covered
  • Mechanical quick coupler
  • Mirrors for cab and canopy
  • Steel track