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Caterpillar

304E2 CR

Mini Excavator

Max Digging Depth
124 in
All mini excavators
Caterpillar 304E2 CR Mini Excavator
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Image: quinncompany.com

Specifications

67 data points

Engine

Engine specifications
Engine ModelCat C2.4
Displacement146 in³
Bore3 in
Stroke4 in
Emissions*Meets U.S. EPA Tier 4 Final/EU Stage IIIA emission standards.

Hydraulic System

Hydraulic System specifications
Operating Pressure - Equipment3,553 psi
Operating Pressure - Swing3,132 psi
Operating Pressure - Travel3,553 psi
Digging Force - Bucket8,498 lb
Digging Force - Stick - Standard4,856 lb
Digging Force - Stick - Long4,384 lb
Hydraulic System TypeLoad Sensing Hydraulics with Variable Displacement Piston Pump

Boom/Stick Excavator Option 1

Boom/Stick Excavator Option 1 specifications
Max Digging Depth124 in
Max Reach Along Ground205 in

General Specifications

General Specifications specifications
Net Power40.20 hp (29.98 kw) Starting 2021 Model Year
Operating Weight8,930.00 lbs (4,050.58 kg) Starting 2021 Model Year
Max Digging Depth77.00 ft (23.47 m) Starting 2021 Model Year
EngineC2.4 Starting 2021 Model Year

Service Refill Capacities

Service Refill Capacities specifications
Engine Oil2.5 gal
Hydraulic Tank11.2 gal
Fuel Tank12.2 gal
Hydraulic System17.2 gal
Cooling System1.5 gal

Blades

Blades specifications
Blade Width77 in
Blade Height13 in
Blade Lift Height16 in
Dig Depth19 in

Swing System

Swing System specifications
Machine Swing Speed10 rpm
Boom Swing - Left - Without Stop70 °
Boom Swing - Left - With Stop55 °

Travel System

Travel System specifications
Travel Speed - High3.2 mph
Travel Speed - Low2.1 mph
Maximum Traction Force - High Speed3,799 lb
Maximum Traction Force - Low Speed6,969 lb
Gradeability - Maximum30 °

Dimensions - Long Stick

Dimensions - Long Stick specifications
Boom In Reach87 in
Dig Depth135 in
Maximum Blade Depth19 in
Maximum Blade Height16 in
Maximum Dig Height200 in
Maximum Dump Clearance145 in
Maximum Reach220 in
Maximum Reach - Ground Level215 in
O/A Undercarriage Length87 in
Swing Bearing - Height22 in
Track Belt/Shoe Width14 in
Vertical Wall101 in
Boom Swing - Left26 in
Boom Swing - Right29 in
O/A Shipping Length194 in
O/A Track Width77 in

Dimensions - Standard Stick

Dimensions - Standard Stick specifications
Boom In Reach83 in
Dig Depth123 in
Maximum Blade Depth19 in
Maximum Blade Height16 in
Maximum Dig Height196 in
Maximum Dump Clearance141 in
Maximum Reach211 in
Maximum Reach - Ground Level206 in
O/A Undercarriage Length87 in
Swing Bearing - Height22 in
Track Belt/Shoe Width14 in
Vertical Wall95 in
Boom Swing - Left26 in
Boom Swing - Right29 in
O/A Shipping Length190 in
O/A Track Width77 in

Comparable machines

Other mini excavators in a similar weight class.