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Caterpillar

304 CR

Mini Excavator

Gross Power
37.0 hp
Net Power
36.0 hp
All mini excavators
Caterpillar 304 CR Mini Excavator
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Specifications

41 data points

Engine

Engine specifications
Engine Model3013
Displacement107 in³
Gross Power37.0 hp
Net Power36.0 hp
Stroke4 in
Bore3 in

Weights

Weights specifications
Operating Weight - With Cab9,896 lb

Hydraulic System

Hydraulic System specifications
Operating Pressure - Equipment3,553 psi
Operating Pressure - Swing2,990 psi
Operating Pressure - Travel3,550 psi
Digging Force - Bucket8,228 lb
Digging Force - Stick - Standard5,373 lb
Digging Force - Stick - Long4,699 lb
Pump - Gear (Tandem)11.5 gal/min
Auxiliary Circuit - Primary22.2 gal/min

Dimensions

Dimensions specifications
Track Gauge78 in
Shipping Length204 in
Track Shoe Width17 in
Height - Over Cab103 in
Maximum Digging Depth - Standard Stick132 in
Maximum Reach - Ground Level - Standard Stick220 in
Maximum Dump Height - Standard Stick142 in
Maximum Vertical Dig Depth - Standard Stick113 in
Swing Radius - Rear40 in
Center Ground Clearance13 in

Service Refill Capacities

Service Refill Capacities specifications
Engine Oil2.2 gal
Hydraulic Tank18.0 gal
Fuel Tank16.0 gal
Hydraulic System24.0 gal
Cooling System TAG1.6 gal

Blades

Blades specifications
Blade Lift Height18 in
Dig Depth17 in

Electrical System

Electrical System specifications
Electrical System TypeTwelve-volt system

Swing System

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

Travel System

Travel System specifications
Travel Speed - High2.9 mph
Travel Speed - Low1.6 mph
Maximum Traction Force - High Speed9,260 lb

Comparable machines

Other mini excavators in a similar weight class.