2025 Caterpillar Mini Excavators 303.5 CR
- Year 2025
- Make Caterpillar
- Model Mini Excavators
- Engine Model: C1.7
2025 Caterpillar Mini Excavators 303.5 CR
Mini Excavators Inspired by Our CustomersThe Cat® 303.5 CR Mini Excavator delivers power and performance in a compact size to help you work in a wide range of applications.
Features may include:
ALL DAY COMFORT- Choose either a canopy or a sealed and pressurized cab which can be equipped with air conditioning, adjustable wrist rests, and a suspension seat option to help keep you working comfortably all day long.
- Controls are easy to use and the intuitive Next Generation LCD monitor provides easy to read machine information. An advanced touchscreen monitor can also be equipped.
- Moving around the job site is even easier with the Cat Stick Steer option. Easily switch from traditional travel controls with levers and pedals to joystick controls to move the machine and to operate the blade. The benefit of less effort and improved control is in your hands!
- Strong lift and dig performance helps you get the job done faster. The compact radius design and retractable undercarriage let you access and work in the tightest areas. Dozer float allows for easy clean up.
- Your safety is our top priority. The Cat mini excavator is designed to help keep you safe on the job. Courtesy work lights and a fluorescent retractable seat belt with optional seat belt reminder system are just a couple of the safety features we’ve built into the machine.
Engine
Engine Power
Net: 23.6 hp | Gross - 2,400 rpm - SAE J1995: 24.7 hp | Net @ 2,200 rpm - U.S. EPA Tier 4 Final/EU Stage V - ISO 9249/EEC 80/1269: 23.6 hp
Engine
Model: C1.7
Bore
3 in
Displacement
104 in³
Emissions
Meets U.S. EPA Tier 4 Final and EU Stage V emission standards.
Stroke
3.9 in
Operational
Operating Conditions
Maximum Traction Force - High/Low Speed: 3799 lbf / 6969 lbf | Digging Force - Stick: 4249 lbf | Digging Force - Stick - Long: 3799 lbf | Digging Force - Bucket: 7419 lbf | Recyclability: 95%
Ground Pressure
Maximum/Minimum Weight: 5.2 psi/4.3 psi
Operating Speed
Travel Speed Low - High: 1.6 mile/h - 2.8 mile/h | Machine Swing: 9 r/min
Performance
Noise Level
Operator Sound Pressure (ISO 6396:2008): 78 dB(A) | Average Exterior Sound Pressure (ISO 6395:2008): 94 dB(A)
Hydraulics
Maximum Pressure
Auxiliary Circuit - Primary: 3553 psi | Operating - Swing: 2553 psi | Auxiliary Circuit - Secondary: 3553 psi | Operating - Equipment: 3553 psi | Operating - Travel: 3553 psi
Hydraulic Flow
Auxiliary Circuit - Secondary: 7 gal/min | Auxiliary Circuit - Primary: 18 gal/min | Pump Flow at 2,400 rpm: 26 gal/min
Hydraulic Type
Load Sensing Hydraulics with Variable Displacement Piston Pump
Dimensions
Dimensions
Gradeability - Maximum: 30 degrees | Boom Swing - Left: 75 ° | Boom Swing - Right: 50 ° | Stick Boom Swing - Right: 34.3 ° | Stick Tail Swing with Counterweight: 37.8 in | Stick Maximum Reach - Ground Level: 202 in | Stick Boom Swing - Left: 25.2 ° | Stick Maximum Reach: 207.5 in | Stick Maximum Dump Clearance: 137.4 in | Stick Boom In Reach: 69.3 in | Stick Tail Swing with Extra Counterweight: 39.6 in | Stick Vertical Wall: 88.6 in | Stick Tail Swing without Counterweight: 35 in | Long Stick Maximum Reach: 216.9 in | Long Stick Tail Swing without Counterweight: 35 in | Long Stick Boom Swing - Left: 640 mm | Long Stick Maximum Reach - Ground Level: 211.8 in | Long Stick Maximum Dump Clearance: 141.7 in | Long Stick Tail Swing with Counterweight: 37.8 in | Long Stick Boom In Reach: 73.2 in | Long Stick Vertical Wall: 94.1 in | Long Stick Boom Swing - Right: 34.3 °
Height
Blade: 13.8 in | Stick Swing Bearing: 22.2 in | Stick Maximum Dig: 193.7 in | Long Stick Maximum Dig: 197.6 in | Stick Maximum Blade: 15.2 in | Stick Boom - Shipping Position: 59.8 in | Long Stick Maximum Blade: 15.2 in | Long Stick O/A Shipping: 97.6 in | Long Stick Swing Bearing : 22.2 in
Width
Blade: 70.1 in | Stick Track: 61 in| Stick Track Belt/Shoe: 11.8 in | Long Stick Track Belt/Shoe: 11.8 in | Long Stick Track: 70.1 in
Transport Length
Stick Shipping: 189 in | Long Stick Shipping: 190.9 in
Transom Height
Stick O/A Shipping: 97.6 in | Long Stick O/A Shipping: 97.6 in
Length
Stick: 49.6 in | Stick O/A Undercarriage: 87.4 in | Long Stick: 61.4 in | Long Stick O/A Undercarriage: 87.4 in
Depth, Maximum
Stick Dig: 110.6 in | Stick Maximum Blade: 21.1 in | Long Stick Dig: 122.4 in | Long Stick Maximum Blade: 21.1 in
Ground Clearance
Stick: 12.2 in | Long Stick: 12.2 in
Capacities
Cooling System
1.8 gal (US)
Hydraulic Capacity
System: 11.9 gal (US) | Tank: 5.3 gal (US)
Fuel Capacity
11.9 gal (US)
Oil capacity
Engine: 1.6 gal (US)
Weights
Weight, In Running Order
9239 lb | Minimum/Maximum with Canopy: 7673 lb/8930 lb | Minimum/Maximum with Cab: 7982 lb/9239 lb | EU- CE Plate with Canopy/Cab: 7784 lb/8004 lb
Weight
Long Stick: 44 lb | Steel Tracks: 287 lb | Cab: 309 lb | Counterweight (extra): 551 lb | Counterweight : 221 lb | Angle Blade: 353 lb