Get a quote303 CR Mini Hydraulic Excavator
Mini Excavators Inspired by Our Customers
More Comfort – More Performance – More Versatility
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4 Industry First Features
Cat Exclusives in a Mini Excavator
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Up to 5% Lower Total Ownership Costs
with more common parts, lower repair costs and tilt up cab
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Up to 10% More Performance
with programmable operator settings and faster cyle times
Engine
| Bore | 3 in |
| Displacement | 69 in³ |
| Emissions | Meets U.S. EPA Tier 4 Final and EU Stage V emission standards. |
| Engine Model | C1.1 Turbo |
| Gross Power - 2,400 rpm - SAE J1995:2014 | 24.7 hp |
| Net Power | 23.6 hp |
| Net Power - 2,400 rpm - ISO 9249, 80/1269/EEC | 23.6 hp |
| Note | Advertised power is tested per the specified standard in effect at the time of manufacture. |
| Stroke | 3.2 in |
Weights
| EU: CE Plate Weight with Cab*** | 7012 lb |
| EU: CE Plate Weight with Canopy*** | 6791 lb |
| Maximum Operating Weight with Cab** | 7817 lb |
| Maximum Operating Weight with Canopy** | 7552 lb |
| Minimum Operating Weight with Cab* | 6924 lb |
| Minimum Operating Weight with Canopy* | 6670 lb |
| Note (1) | *Minimum Weight is based on fixed rubber tracks, operator, full fuel tank, standard stick, blade, bucket and no extra counterweight. |
| Note (2) | **Maximum Weight is based on steel tracks, operator, full fuel tank, long stick, blade, bucket and extra counterweight. |
| Note (3) | ***CE Plate Weight is based on the most common EU configuration. Includes 75 kg (165 lb) operator and full fuel tank and excludes bucket. |
| Operating Weight | 7817 lb |
Dimensions - Long Stick
| Boom Height - Shipping Position | 75.6 in |
| Boom In Reach | 74.2 in |
| Boom Swing - Left | 25.2 in |
| Boom Swing - Right | 34.3 in |
| Dig Depth | 116.1 in |
| Ground Clearance | 12.2 in |
| Maximum Blade Depth | 21.1 in |
| Maximum Blade Height | 15.2 in |
| Maximum Dig Height | 183.1 in |
| Maximum Dump Clearance | 130.3 in |
| Maximum Reach | 206.3 in |
| Maximum Reach - Ground Level | 201.2 in |
| Note | *Overall Shipping Length depends on blade position during shipment. |
| O/A Shipping Height | 97.6 in |
| O/A Undercarriage Length | 81.5 in |
| Overall Shipping Length* | 179.5 in |
| Stick Length | 61.4 in |
| Swing Bearing - Height | 22.4 in |
| Tail Swing | 33.3 in |
| Tail Swing with Counterweight | 35 in |
| Tail Swing without Counterweight | 30.5 in |
| Track Belt/Shoe Width | 11.8 in |
| Track Width - Expanded | 61 in |
| Vertical Wall | 81.5 in |
Blade
| Height | 13.8 in |
| Width | 61 in |
Dimensions - Standard Stick
| Boom Height - Shipping Position | 63 in |
| Boom In Reach | 68.9 in |
| Boom Swing - Left | 25.2 in |
| Boom Swing - Right | 34.3 in |
| Dig Depth | 104.3 in |
| Ground Clearance | 12.2 in |
| Maximum Blade Depth | 21.1 in |
| Maximum Blade Height | 15.2 in |
| Maximum Dig Height | 177.6 in |
| Maximum Dump Clearance | 124.8 in |
| Maximum Reach | 196.1 in |
| Maximum Reach - Ground Level | 190.2 in |
| Note | *Overall Shipping Length depends on blade position during shipment. |
| O/A Shipping Height | 97.6 in |
| O/A Undercarriage Length | 81.5 in |
| Overall Shipping Length* | 177.6 in |
| Stick Length | 49.6 in |
| Swing Bearing - Height | 22.4 in |
| Tail Swing | 33.3 in |
| Tail Swing with Extra Counterweight | 35 in |
| Tail Swing without Counterweight | 30.5 in |
| Track Belt/Shoe Width | 11.8 in |
| Track Shoe Width | 61 in |
| Vertical Wall | 71.7 in |
Swing System
| Boom Swing - Left | 75 ° |
| Boom Swing - Right | 50 ° |
| Machine Swing Speed | 9 r/min |
Sound
| Average Exterior Sound Pressure (ISO 6395:2008) | 94 dB(A) |
| Note | European Union Directive “2000/14/EC” |
| Operator Sound Pressure (ISO 6396:2008) | 78 dB(A) |
Hydraulic System
| Auxiliary Circuit - Primary - Flow | 17 gal/min |
| Auxiliary Circuit - Primary - Pressure | 3553 psi |
| Auxiliary Circuit - Secondary - Flow | 7 gal/min |
| Auxiliary Circuit - Secondary - Pressure | 3553 psi |
| Digging Force - Bucket | 6385 lbf |
| Digging Force - Stick - Long | 3327 lbf |
| Digging Force - Stick - Standard | 3732 lbf |
| Note | * Flow and pressure are not combinable. Under load, as flow rises pressure goes down. |
| Operating Pressure - Equipment | 3553 psi |
| Operating Pressure - Swing | 2553 psi |
| Operating Pressure - Travel | 3553 psi |
| Pump Flow at 2,400 rpm | 26 gal/min |
| Type | Load Sensing Hydraulics with Variable Displacement Piston Pump |
Travel System
| Gradeability - Maximum | 30 degrees |
| Ground Pressure - Maximum Weight | 4.7 psi |
| Ground Pressure - Minimum Weight | 4 psi |
| Maximum Traction Force - High Speed | 3305 lbf |
| Maximum Traction Force - Low Speed | 7059 lbf |
| Travel Speed - High | 2.8 mile/h |
| Travel Speed - Low | 1.6 mile/h |
Service Refill Capacities
| Cooling System | 1.1 gal (US) |
| Engine Oil | 1.1 gal (US) |
| Fuel Tank | 11.9 gal (US) |
| Hydraulic System | 9.2 gal (US) |
| Hydraulic Tank | 4.8 gal (US) |
Weight Increase from Minimum Configuration
| Cab | 254 lb |
| Counterweight | 221 lb |
| Extra Counterweight | 551 lb |
| Long Stick | 55 lb |
| Steel Tracks | 276 lb |
Certification - Cab and Canopy
| Roll Over Protective Structure (ROPS) | ISO 12117-2:2008 |
| Tip Over Protective Structure (TOPS) | ISO 12117:1997 |
| Top Guard | ISO 10262:1998 (Level I) |
Sustainability
| Recyclability | 95% |
Download resources
303 CR Small Product Brochure (Global except China and Japan)
Cat Mini Hydraulic Excavators Product Line Brochure (North America)
Cat Mini Hydraulic Excavators Product Line Brochure (Europe)
Options And Accessories Kit Guide for Mini Hydraulic Excavators
Attachment Compatibility Guide for Mini Excavators
Cat Attachments for Mini Excavators Brochure
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Related Products
Engine
| Bore | 3 in |
| Displacement | 69 in³ |
| Emissions | Meets U.S. EPA Tier 4 Final and EU Stage V emission standards. |
| Engine Model | C1.1 Turbo |
| Gross Power - 2,400 rpm - SAE J1995:2014 | 24.7 hp |
| Net Power | 23.6 hp |
| Net Power - 2,400 rpm - ISO 9249, 80/1269/EEC | 23.6 hp |
| Note | Advertised power is tested per the specified standard in effect at the time of manufacture. |
| Stroke | 3.2 in |
Weights
| EU: CE Plate Weight with Cab*** | 7012 lb |
| EU: CE Plate Weight with Canopy*** | 6791 lb |
| Maximum Operating Weight with Cab** | 7817 lb |
| Maximum Operating Weight with Canopy** | 7552 lb |
| Minimum Operating Weight with Cab* | 6924 lb |
| Minimum Operating Weight with Canopy* | 6670 lb |
| Note (1) | *Minimum Weight is based on fixed rubber tracks, operator, full fuel tank, standard stick, blade, bucket and no extra counterweight. |
| Note (2) | **Maximum Weight is based on steel tracks, operator, full fuel tank, long stick, blade, bucket and extra counterweight. |
| Note (3) | ***CE Plate Weight is based on the most common EU configuration. Includes 75 kg (165 lb) operator and full fuel tank and excludes bucket. |
| Operating Weight | 7817 lb |
Dimensions - Long Stick
| Boom Height - Shipping Position | 75.6 in |
| Boom In Reach | 74.2 in |
| Boom Swing - Left | 25.2 in |
| Boom Swing - Right | 34.3 in |
| Dig Depth | 116.1 in |
| Ground Clearance | 12.2 in |
| Maximum Blade Depth | 21.1 in |
| Maximum Blade Height | 15.2 in |
| Maximum Dig Height | 183.1 in |
| Maximum Dump Clearance | 130.3 in |
| Maximum Reach | 206.3 in |
| Maximum Reach - Ground Level | 201.2 in |
| Note | *Overall Shipping Length depends on blade position during shipment. |
| O/A Shipping Height | 97.6 in |
| O/A Undercarriage Length | 81.5 in |
| Overall Shipping Length* | 179.5 in |
| Stick Length | 61.4 in |
| Swing Bearing - Height | 22.4 in |
| Tail Swing | 33.3 in |
| Tail Swing with Counterweight | 35 in |
| Tail Swing without Counterweight | 30.5 in |
| Track Belt/Shoe Width | 11.8 in |
| Track Width - Expanded | 61 in |
| Vertical Wall | 81.5 in |
Blade
| Height | 13.8 in |
| Width | 61 in |
Dimensions - Standard Stick
| Boom Height - Shipping Position | 63 in |
| Boom In Reach | 68.9 in |
| Boom Swing - Left | 25.2 in |
| Boom Swing - Right | 34.3 in |
| Dig Depth | 104.3 in |
| Ground Clearance | 12.2 in |
| Maximum Blade Depth | 21.1 in |
| Maximum Blade Height | 15.2 in |
| Maximum Dig Height | 177.6 in |
| Maximum Dump Clearance | 124.8 in |
| Maximum Reach | 196.1 in |
| Maximum Reach - Ground Level | 190.2 in |
| Note | *Overall Shipping Length depends on blade position during shipment. |
| O/A Shipping Height | 97.6 in |
| O/A Undercarriage Length | 81.5 in |
| Overall Shipping Length* | 177.6 in |
| Stick Length | 49.6 in |
| Swing Bearing - Height | 22.4 in |
| Tail Swing | 33.3 in |
| Tail Swing with Extra Counterweight | 35 in |
| Tail Swing without Counterweight | 30.5 in |
| Track Belt/Shoe Width | 11.8 in |
| Track Shoe Width | 61 in |
| Vertical Wall | 71.7 in |
Swing System
| Boom Swing - Left | 75 ° |
| Boom Swing - Right | 50 ° |
| Machine Swing Speed | 9 r/min |
Sound
| Average Exterior Sound Pressure (ISO 6395:2008) | 94 dB(A) |
| Note | European Union Directive “2000/14/EC” |
| Operator Sound Pressure (ISO 6396:2008) | 78 dB(A) |
Hydraulic System
| Auxiliary Circuit - Primary - Flow | 17 gal/min |
| Auxiliary Circuit - Primary - Pressure | 3553 psi |
| Auxiliary Circuit - Secondary - Flow | 7 gal/min |
| Auxiliary Circuit - Secondary - Pressure | 3553 psi |
| Digging Force - Bucket | 6385 lbf |
| Digging Force - Stick - Long | 3327 lbf |
| Digging Force - Stick - Standard | 3732 lbf |
| Note | * Flow and pressure are not combinable. Under load, as flow rises pressure goes down. |
| Operating Pressure - Equipment | 3553 psi |
| Operating Pressure - Swing | 2553 psi |
| Operating Pressure - Travel | 3553 psi |
| Pump Flow at 2,400 rpm | 26 gal/min |
| Type | Load Sensing Hydraulics with Variable Displacement Piston Pump |
Travel System
| Gradeability - Maximum | 30 degrees |
| Ground Pressure - Maximum Weight | 4.7 psi |
| Ground Pressure - Minimum Weight | 4 psi |
| Maximum Traction Force - High Speed | 3305 lbf |
| Maximum Traction Force - Low Speed | 7059 lbf |
| Travel Speed - High | 2.8 mile/h |
| Travel Speed - Low | 1.6 mile/h |
Service Refill Capacities
| Cooling System | 1.1 gal (US) |
| Engine Oil | 1.1 gal (US) |
| Fuel Tank | 11.9 gal (US) |
| Hydraulic System | 9.2 gal (US) |
| Hydraulic Tank | 4.8 gal (US) |
Weight Increase from Minimum Configuration
| Cab | 254 lb |
| Counterweight | 221 lb |
| Extra Counterweight | 551 lb |
| Long Stick | 55 lb |
| Steel Tracks | 276 lb |
Certification - Cab and Canopy
| Roll Over Protective Structure (ROPS) | ISO 12117-2:2008 |
| Tip Over Protective Structure (TOPS) | ISO 12117:1997 |
| Top Guard | ISO 10262:1998 (Level I) |
Sustainability
| Recyclability | 95% |