303E CR Mini Hydraulic Excavator

Product Description

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.

Specifications
Us
Metric
Engine
Engine Model
Cat C1.3
Net Power
23.5 hp
17.5 kW
Rated Net Power @ 2,400 rpm – ISO 9249/EEC 80/1269
23.5 hp
17.5 kW
Gross Power – ISO 14396
24.8 hp
18.5 kW
Bore
3.1 in
78 mm
Stroke
3.5 in
88 mm
Displacement
77 in3
1.26 L
Gross Power
24.8 hp
18.5 kW
Weights
Operating Weight with Canopy
7297 lb
3310 kg
Operating Weight with Cab
7782 lb
3530 kg
Note
Weight includes counterweight, rubber tracks, bucket, operator, full fuel and auxiliary lines.
Travel System
Travel Speed – High
2.8 mph
4.5 km/h
Travel Speed – Low
1.5 mph
2.4 km/h
Max Traction Force – High Speed
3417 lb
15.2 kN
Max Traction Force – Low Speed
6946 lb
30.9 kN
Ground Pressure
4.6 psi
32.2 kPa
Gradeability (maximum)
30°
Hydraulic System
Type
Load Sensing Hydraulics with Variable Displacement Piston Pump
Pump Flow at 2,400 rpm
23.1 gal/min
87.6 L/min
Operating Pressure – Equipment
3553 psi
245 bar
Operating Pressure – Travel
3553 psi
245 bar
Operating Pressure – Swing
2625 psi
181 bar
Auxiliary Circuit – Primary (186 bar/2,734 psi)
15.9 gal/min
60 L/min
Auxiliary Circuit – Secondary (174 bar/2,524 psi)
7.1 gal/min
27 L/min
Digging Force – Stick (standard)
3731 lb
16.6 kN
Digging Force – Bucket
6384 lb
28.4 kN
Swing System
Machine Swing Speed
9 rpm
9 rpm
Boom Swing – Left*
80°
Boom Swing – Right
50°
Note
*Automatic swing brake, spring applied, hydraulic release.
Blade
Width
60 in
1550 mm
Height
13 in
335 mm
Dig Depth
19 in
472 mm
Lift Height
16 in
402 mm
Service Refill Capacities
Cooling System
1.2 gal
4.7 L
Engine Oil
1.5 gal
5.7 L
Fuel Tank
11.8 gal
45 L
Hydraulic Tank
12.4 gal
47 L
Hydraulic System
17.2 gal
65 L
Dimensions (Approximate)
Dig Depth
108 in
2750 mm
Vertical Wall
77 in
1960 mm
Maximum Reach at Ground Level
189 in
4810 mm
Maximum Reach
195 in
4950 mm
Maximum Dig Height
178 in
4530 mm
Maximum Dump Clearance
124 in
3150 mm
Boom In Reach
83 in
2110 mm
Tail Swing
35 in
890 mm
Maximum Blade Height
16 in
402 mm
Maximum Blade Depth
19 in
472 mm
Boom Height in Shipping Position
63 in
1590 mm
O/A Shipping Height
98 in
2500 mm
Swing Bearing Height
22 in
565 mm
O/A Undercarriage Length
87 in
2210 mm
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)
Dimensions (Approximate)
O/A Shipping Length
176 in
4470 mm
Boom Swing Right
32 in
825 mm
Boom Swing Left
24 in
610 mm
Track Belt/Shoe Width
12 in
300 mm
O/A Track Width
60 in
1550 mm
Standard/Optional

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 (Level 1), ROPS ISO 12117-2 and TOPS ISO 12117
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
Rubber track
Retractable seatbelt
Standard stick
Suspension seat, vinyl covered
“Thumb ready” sticks
Travel alarm (optional in Europe)

Optional Equipment

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

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