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Caterpillar

303 CR

Mini Excavator

Operating Weight
7,403 lb
Gross Power
27.1 hp
Net Power
26.1 hp
All mini excavators
Caterpillar 303 CR Mini Excavator
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Specifications

65 data points

Operating Specifications

Operating Specifications specifications
Operating Weight7,403 lb

Engine

Engine specifications
Engine ModelS3L2
Displacement81 in³
Gross Power27.1 hp
Net Power26.1 hp
Stroke4 in
Bore3 in

Weights

Weights specifications
Operating Weight - With Cab7,524 lb

Hydraulic System

Hydraulic System specifications
Operating Pressure - Equipment3,550 psi
Operating Pressure - Swing3,550 psi
Operating Pressure - Travel3,550 psi
Digging Force - Bucket6,000 lb
Digging Force - Stick - Standard3,822 lb
Digging Force - Stick - Long3,484 lb
Auxiliary Circuit - Primary (245 bar/3,553 psi)13.1 gal/min
Pump - Gear (Tandem)8.7 gal/min
Pump - Gear (Single)6.2 gal/min
Auxiliary Circuit - Primary13.1 gal/min

Dimensions

Dimensions specifications
Digging Depth108 in
Digging Reach108 in
Track Gauge49 in
Shipping Length185 in
Track Shoe Width12 in
Maximum Reach - Ground Level - Standard Stick207 in
Height - Over Cab98 in
Maximum Digging Depth - Standard Stick119 in
Maximum Dump Height - Standard Stick125 in
Maximum Dump Height - Long Stick130 in
Swing Radius - Rear36 in
Maximum Vertical Dig Depth - Standard Stick101 in
Maximum Cutting Height - Standard Stick183 in
Maximum Cutting Height - Long Stick186 in
Maximum Vertical Dig Depth - Long Stick98 in
Maximum Horizontal Reach - Long Stick216 in
Maximum Horizontal Reach - Standard Stick207 in
Width - Over Track61 in
Maximum Digging Depth - Long Stick122 in
Center Ground Clearance13 in
Width - Upper Structure65 in
Height - Over Canopy98 in
Maximum Reach - Ground Level - Long Stick193 in

General Specifications

General Specifications specifications
Net Power23.60 hp (17.60 kw) Starting 2023 Model Year
Operating Weight lbs (kg)7,817 (3,545.7) Starting 2025 Model Year
Operating Weight7,817.00 lbs (3,545.74 kg) Starting 2023 Model Year
Max Digging Depth116.1 in ft (35.39 m) Starting 2023 Model Year
Digging Depth ft (m)9.6 (2.9) Starting 2025 Model Year
Engine hp (kW)23.6 (17.6) Starting 2025 Model Year
Digging Reach ft. (m)16.8 (5.1) Starting 2025 Model Year
EngineC1.1 Turbo Starting 2023 Model Year

Service Refill Capacities

Service Refill Capacities specifications
Engine Oil1.5 gal
Hydraulic Tank7.8 gal
Fuel Tank10.9 gal
Hydraulic System18.2 gal
Cooling System TAG1.0 gal

Blades

Blades specifications
Blade Width61 in
Blade Lift Height16 in
Dig Depth15 in

Electrical System

Electrical System specifications
Electrical System TypeTwelve-volt system

Swing System

Swing System specifications
Machine Swing Speed10 rpm
Boom Swing - Left - Without Stop90 °
Boom Swing - Left - With Stop65 °
Boom Swing - Right50 °
Swing System TypeHydraulic Motor Driven

Travel System

Travel System specifications
Travel Speed - High3.0 mph
Travel Speed - Low1.7 mph

Comparable machines

Other mini excavators in a similar weight class.