303C CR Mini Hydraulic Excavators
Engineered by Caterpillar to deliver high levels of productivity, versatility and serviceability.
Product Specs
Engine
- Engine Model
- Mitsubishi S3Q2
- Engine Model
- Mitsubishi S3Q2
- Net Power
- 30 hp
- Net Power
- 30 mm H2O
- Gross Power
- 31 hp
- Gross Power
- 31 mm H2O
Weights
- Operating Weight
- 7573 lb
- Operating Weight
- 7573 lb
- Operating Weight - With Cab
- 7835 lb
Dimensions
- Maximum Digging Depth - Standard Stick
- 9.6 ft
- Maximum Reach - Ground Level - Standard Stick
- 16.8 ft
- Height - Over Cab
- 8.2 ft
- Length to Center of Rollers
- 16.73 ft
- Maximum Cutting Height - Long Stick
- 16.6 ft
- Maximum Cutting Height - Standard Stick
- 16.24 ft
- Maximum Digging Depth - Long Stick
- 10.5 ft
- Maximum Dump Height - Long Stick
- 11.84 ft
- Maximum Dump Height - Standard Stick
- 11.45 ft
- Maximum Horizontal Reach - Long Stick
- 17.55 ft
- Maximum Horizontal Reach - Standard Stick
- 16.73 ft
- Maximum Vertical Dig Depth - Standard Stick
- 7.1 ft
- Shipping Height
- 8.2 ft
- Shipping Length
- 15.55 ft
- Swing Radius - Rear
- 2.92 ft
- Track Gauge
- 4.1 ft
- Track Shoe Width
- 0.98 ft
- Transport Width
- 5.09 ft
- Width - Over Track
- 5.09 ft
- Length - Center of Rollers
- 16.73 ft
- Shipping Height
- 8.2 ft
- Shipping Length
- 15.55 ft
- Transport Width
- 5.09 ft
Engine Dimensions
- Bore
- 3.5 in
- Bore
- 3.5 in
- Stroke
- 4.1 in
- Stroke
- 4.1 in
- Displacement
- 116 in3
- Displacement
- 116 in³
Travel System
- Gradeability - Maximum - High
- 30 °
- Max traction force - high speed
- 3979 lb
- Max traction force - low speed
- 7508 lb
- Maximum Traction Force - High Speed
- 3979 lb
- Maximum Traction Force - Low Speed
- 7508 lb
- Travel Speed - High
- 2.9 mile/h
- Travel Speed - Low
- 1.6 mile/h
Hydraulic System
- Operating Pressure - Equipment
- 3553 psi
- Operating Pressure - Equipment
- 3553 psi
- Digging Force - Stick - Standard
- 4249 lb
- Digging Force - Stick - Long
- 3799 lb
- Digging Force - Bucket
- 7419 lb
- Operating Pressure - Travel
- 3553 psi
- Operating Pressure - Travel
- 3553 psi
- Operating Pressure - Swing
- 2495 psi
- Operating Pressure - Swing
- 2495 psi
- Auxiliary circuit - primary (245 bar, 3550 psi)
- 15.9 gal/min
- Auxiliary Circuits - Secondary - At 174 bar
- 7.1 gal/min
- Auxiliary Circuit - Primary (245 bar/3,553 psi)
- 15.9 gal/min
Swing System
- Machine Swing Speed
- 9 RPM
- Machine Swing Speed
- 9 r/min
- Boom swing - left (without stop)
- 80 Degrees
- Boom Swing - Left - Without Stop
- 80 °
- Boom swing - left (with stop)
- 55 Degrees
- Boom Swing - Left - With Stop
- 55 °
- Boom Swing - Right
- 50 Degrees
- Boom Swing - Right
- 50 °
Sound Levels
- Canopy
- 78 dB(A)
- Cab
- 82 dB(A)
Blade
- Width
- 61 in
- Width
- 61 in
- Height
- 13 in
- Dig Depth
- 18 in
- Lift Height
- 16 in
Service Refill Capacities
- Cooling System
- 1.6 gal
- Cooling System
- 1.6 gal (US)
- Engine Oil
- 1.6 gal
- Engine Oil
- 1.6 gal (US)
- Hydraulic Tank
- 9.8 gal
- Hydraulic Tank
- 9.8 gal (US)
- Fuel Tank
- 11.9 gal
- Fuel Tank
- 11.9 gal (US)
- Hydraulic System
- 17.2 gal
- Hydraulic System
- 17.2 gal (US)
MSC Comments
- MSC Spec Date
- 12/05