303 CR Mini Hydraulic Excavator
Designed and built by Caterpillar® to deliver exceptional performance, versatility and productivity. Easy to operate in confined jobsites and backed by Caterpillar’s commitment to serviceability and customer support.
Product Specs
Engine
- Engine Model
- S3L2
- Engine Model
- S3L2
- Net Power
- 26.1 hp
- Net Power
- 26.1 mm H2O
- Gross Power
- 27.1 hp
- Gross Power
- 27.1 mm H2O
Weights
- Operating Weight
- 7326 lb
- Operating Weight
- 7326 lb
- Operating Weight - With Cab
- 7524 lb
Dimensions
- Maximum Digging Depth - Standard Stick
- 9.9 ft
- Maximum Reach - Ground Level - Standard Stick
- 17.3 ft
- Center Ground Clearance
- 1.1 ft
- Height - Over Cab
- 8.2 ft
- Height - Over Canopy
- 8.2 ft
- Maximum Cutting Height - Long Stick
- 15.5 ft
- Maximum Cutting Height - Standard Stick
- 15.3 ft
- Shipping Length
- 15.4 ft
- Maximum Digging Depth - Long Stick
- 10.11 ft
- Maximum Dump Height - Long Stick
- 10.8 ft
- Maximum Dump Height - Standard Stick
- 10.4 ft
- Maximum Horizontal Reach - Long Stick
- 18 ft
- Maximum Horizontal Reach - Standard Stick
- 17.3 ft
- Maximum Reach - Ground Level - Long Stick
- 16.1 ft
- Maximum Vertical Dig Depth - Long Stick
- 8.11 ft
- Maximum Vertical Dig Depth - Standard Stick
- 8.4 ft
- Shipping Length
- 15.4 ft
- Swing Radius - Rear
- 3 ft
- Track Gauge
- 4.1 ft
- Track Shoe Width
- 1 ft
- Width - Over Track
- 5.1 ft
- Width - Upper Structure
- 5.4 ft
Engine Dimensions
- Bore
- 3.07 in
- Bore
- 3.07 in
- Stroke
- 3.62 in
- Stroke
- 3.62 in
- Displacement
- 80.5 in³
- Displacement
- 80.5 in3
Travel System
- Gradeability - Maximum - High
- 25 °
- Travel Speed - High
- 2.98 mph
- Travel Speed - Low
- 1.68 mph
- Travel Speed - High
- 2.98 mile/h
- Travel Speed - Low
- 1.68 mile/h
Hydraulic System
- Pump - Gear (Tandem)
- 8.7 gal/min
- Pump - Gear (Single)
- 6.2 gal/min
- Operating Pressure - Equipment
- 3550 psi
- Operating Pressure - Equipment
- 3550 psi
- Digging Force - Stick - Standard
- 3822 lb
- Digging Force - Stick - Long
- 3484 lb
- Digging Force - Bucket
- 6000 lb
- Operating Pressure - Travel
- 3550 psi
- Operating Pressure - Swing
- 3550 psi
- Operating Pressure - Swing
- 3550 psi
- Auxiliary Circuit - Primary
- 13.15 gal/min
- Auxiliary circuit - primary
- 13.15 gal/min
- Auxiliary circuit - primary (245 bar, 3550 psi)
- 13.15 gal/min
- Auxiliary Circuit - Primary (245 bar/3,553 psi)
- 13.15 gal/min
Swing System
- Type
- Hydraulic Motor Driven
- Machine Swing Speed
- 9.6 RPM
- Machine Swing Speed
- 9.6 r/min
- Boom swing - left (without stop)
- 90 Degrees
- Boom Swing - Left - Without Stop
- 90 °
- Boom swing - left (with stop)
- 65 Degrees
- Boom Swing - Left - With Stop
- 65 °
- Boom Swing - Right
- 50 Degrees
- Boom Swing - Right
- 50 °
Electrical System
- Type
- Twelve-volt system
Blade
- Width
- 61 in
- Width
- 61 in
- Dig Depth
- 15 in
- Lift Height
- 16 in
Service Refill Capacities
- Cooling System TAG
- 0.91 gal (US)
- Engine Oil
- 1.5 gal
- Engine Oil
- 1.5 gal (US)
- Hydraulic Tank
- 7.8 gal
- Hydraulic Tank
- 7.8 gal (US)
- Fuel Tank
- 10.9 gal
- Fuel Tank
- 10.9 gal (US)
- Hydraulic System
- 18.2 gal
- Hydraulic System
- 18.2 gal (US)
MSC Comments
- MSC Spec Date
- 1/1/2000
Standard Equipment
-
- Gauges/indicators For:
-
- fuel
- engine oil pressure and coolant temperature
- air cleaner
- alternator and glow plugs
Attachments
-
- Cab
-
- fully glazed to FOPS and TOPS standards with heater/defroster
- interior light
- front window washer/wiper
- radio ready kit