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Caterpillar

303C CR

Mini Excavator

Operating Weight
7,835 lb
Max Digging Depth
117 in
Gross Power
31.0 hp
Net Power
30.0 hp
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Caterpillar 303C CR Mini Excavator
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Specifications

84 data points

Operating Specifications

Operating Specifications specifications
Operating Weight7,835 lb
Fuel Capacity11.9 gal
Hydraulic Pump Flow Capacity23.2 gal/min
Hydraulic System Fluid Capacity17.2 gal
Hydraulic System Relief Valve Pressure3,553 psi
Operating Voltage12 V
Alternator Supplied Amperage50 A
Engine Oil Capacity1.6 gal
Cooling System Fluid Capacity1.6 gal

Engine

Engine specifications
Engine ModelMitsubishi S3Q2
Displacement116 in³
Power Measured @2,300 rpm
Gross Power31.0 hp
Net Power30.0 hp
Number of Cylinders3
Stroke4 in
Bore4 in

Weights

Weights specifications
Operating Weight - With Cab7,835 lb
Operating Weight7,573 lb

Hydraulic System

Hydraulic System specifications
Operating Pressure - Equipment3,553 psi
Operating Pressure - Swing2,495 psi
Operating Pressure - Travel3,553 psi
Digging Force - Bucket7,419 lb
Digging Force - Stick - Standard4,249 lb
Digging Force - Stick - Long3,799 lb
Auxiliary Circuit - Primary (245 bar/3,553 psi)15.9 gal/min

Dimensions

Dimensions specifications
Ground Clearance13 in
Height - Top of Cab98 in
Length of Track on Ground88 in
Tail Swing Radius31 in
Width to Outside of Tracks61 in
Removal Counterweight Clearance23 in
Transport Width61 in
Track Gauge49 in
Shipping Height98 in
Shipping Length187 in
Track Shoe Width12 in
Height - Over Cab98 in
Maximum Digging Depth - Standard Stick115 in
Maximum Reach - Ground Level - Standard Stick202 in
Maximum Dump Height - Standard Stick138 in
Swing Radius - Rear36 in
Maximum Cutting Height - Standard Stick196 in
Maximum Vertical Dig Depth - Standard Stick85 in
Maximum Dump Height - Long Stick143 in
Maximum Cutting Height - Long Stick199 in
Maximum Horizontal Reach - Standard Stick202 in
Maximum Horizontal Reach - Long Stick211 in
Width - Over Track61 in
Maximum Digging Depth - Long Stick126 in

Undercarriage

Undercarriage specifications
Max Travel Speed4.6 mph
Shoe Size12 in

Boom/Stick Excavator Option 1

Boom/Stick Excavator Option 1 specifications
Max Digging Depth117 in
Max Reach Along Ground203 in
Max Vertical Wall Digging Depth85 in
Max Loading Height138 in
Shipping Length of Unit203 in
Max Cutting Height196 in
Shipping Height of Unit100 in

Service Refill Capacities

Service Refill Capacities specifications
Engine Oil1.6 gal
Hydraulic Tank9.8 gal
Fuel Tank11.9 gal
Hydraulic System17.2 gal
Cooling System1.6 gal

Swing Mechanism

Swing Mechanism specifications
Swing Speed9 rpm

Blades

Blades specifications
Blade Width61 in
Blade Height13 in
Blade Lift Height16 in
Dig Depth18 in

Boom/Stick Excavator Option 2

Boom/Stick Excavator Option 2 specifications
Max Digging Depth117 in
Max Cutting Height200 in
Max Loading Height121 in
Max Vertical Wall Digging Depth101 in
Max Reach Along Ground212 in
Shipping Height of Unit100 in
Shipping Length of Unit190 in

Swing System

Swing System specifications
Machine Swing Speed9 rpm
Boom Swing - Left - Without Stop80 °
Boom Swing - Left - With Stop55 °
Boom Swing - Right50 °

Travel System

Travel System specifications
Travel Speed - High2.9 mph
Travel Speed - Low1.6 mph
Maximum Traction Force - High Speed3,979 lb
Maximum Traction Force - Low Speed7,508 lb

Comparable machines

Other mini excavators in a similar weight class.