Specification
Value
Net Power
45 HP
Engine Model
C1.7 Turbo
Gross Power - 2,400 rpm - SAE J1995:2014
48.4 HP
Bore
3.3 in
Emissions
Meets U.S. EPA Tier 4 Final and EU Stage V emission standards.
Stroke
3.9 in
Displacement
101 in³
Net Power - 2,400 rpm - ISO 9249, 80/1269/EEC
45 HP
Note
Net power advertised is the power available at the flywheel when the engine is at rated speed and rated power when the engine is installed with the factory configured fan, air intake system, exhaust system, and alternator with a minimum alternator load.
Specification
Value
Operating Weight
9867 lb
Minimum Operating Weight with Canopy*
8655 lb
Maximum Operating Weight with Canopy**
9647 lb
Note (2)
**Maximum Weight is based on steel tracks, operator, full fuel tank, long stick, straight blade, extra counterweight and no bucket.
Note (1)
*Minimum Weight is based on rubber tracks, operator, full fuel tank, standard stick, straight blade, no bucket and no extra counterweight.
Maximum Operating Weight with Cab**
9867 lb
Minimum Operating Weight with Cab*
8875 lb
Specification
Value
Steel Tracks
430 lb
Counterweight
496 lb
Angle Blade
243 lb
Long Stick
66 lb
Specification
Value
Ground Pressure - Minimum Weight
4.2 psi
Maximum Traction Force - Low Speed
7329 lbf
Travel Speed - Low
2.2 mile/h
Ground Pressure - Maximum Weight
4.9 psi
Travel Speed - High
3.2 mile/h
Maximum Traction Force - High Speed
4271 lbf
Gradeability - Maximum
30 degrees
Specification
Value
Cooling System
2.9 gal (US)
Engine Oil
1.6 gal (US)
Hydraulic System
17 gal (US)
Fuel Tank
17 gal (US)
Hydraulic Tank
14 gal (US)
Specification
Value
Operating Pressure - Travel
3553 psi
Auxiliary Circuit - Secondary - Pressure
3553 psi
Digging Force - Stick - Long
4316 lbf
Auxiliary Circuit - Secondary - Flow
7 gal/min
Pump Flow at 2,400 rpm
25 gal/min
Operating Pressure - Swing
2611 psi
Auxiliary Circuit - Primary - Flow
21 gal/min
Auxiliary Circuit - Primary - Pressure
3553 psi
Note
Flow and pressure are not combinable. Under load, as flow rises pressure goes down.
Type
Load Sensing Hydraulics with Variable Displacement Piston Pump
Digging Force - Stick - Standard
4721 lbf
Digging Force - Bucket
8588 lbf
Operating Pressure - Equipment
3553 psi
Specification
Value
Boom Swing - Right
50 Degrees
Machine Swing Speed
9 r/min
Boom Swing - Left
78 Degrees
Specification
Value
Angle Blade Height
14.2 in
Straight Blade Height
14.2 in
Straight Blade Width
66.9 in
Angle Blade Width
66.9 in
Angle Blade - Right
25 Degrees
Angle Blade - Left
25 Degrees
Specification
Value
Roll Over Protective Structure (ROPS)
ISO 12117-2:2008
Top Guard
ISO 10262:1998 (Level I)
Tip Over Protective Structure (TOPS)
ISO 12117:1997
Specification
Value
Average Exterior Sound Pressure (ISO 6395:2008)
97 dB(A)
Operator Sound Pressure (ISO 6396:2008)
76 dB(A)
Note
European Union Directive “2000/14/EC”
Specification
Value
Maximum Reach - Ground Level
204.7 in
Vertical Wall
94.3 in
Note
*Overall Shipping Length depends on blade position during shipment.
Tail Swing with Counterweight
51.2 in
Boom In Reach
88.8 in
Dig Depth
126.4 in
Maximum Dig Height
198.4 in
Maximum Blade Height
16.5 in
Swing Bearing - Height
21.9 in
Boom Swing - Left
20.9 in
Stick Length
54.9 in
O/A Undercarriage Length
87 in
Track Belt/Shoe Width
13.8 in
Boom Height - Shipping Position
63.8 in
Boom Swing - Right
28.7 in
Maximum Dump Clearance
143.5 in
Ground Clearance
12 in
Maximum Reach
209.8 in
O/A Shipping Height
100 in
Tail Swing without Counterweight
47.4 in
Maximum Blade Depth
18.7 in
Overall Shipping Length*
194.9 in
Specification
Value
Dig Depth
138.2 in
Maximum Blade Depth
18.7 in
O/A Shipping Height
100 in
Maximum Dump Clearance
147.2 in
Stick Length
66.7 in
Maximum Dig Height
201.8 in
Maximum Reach - Ground Level
214.4 in
Track Width
66.9 in
Tail Swing with Counterweight
51.2 in
Swing Bearing - Height
21.9 in
Boom Height - Shipping Position
75.2 in
Boom Swing - Left
20.9 in
Maximum Reach
219.3 in
Boom In Reach
92.1 in
Boom Swing - Right
28.7 in
Track Belt/Shoe Width
13.8 in
Vertical Wall
99.8 in
Maximum Blade Height
16.5 in
Note
*Overall Shipping Length depends on blade position during shipment.
Overall Shipping Length*
194.9 in
Ground Clearance
12 in
O/A Undercarriage Length
87 in
Tail Swing without Counterweight
47.4 in
Specification
Value
Recyclability
96%
- Choose either a canopy (not available in some regions) or a sealed and pressurized cab which can be equipped with air conditioning, adjustable wrist rests, and a suspension seat 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 as an upgrade option.
- 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 reduced radius tail swing design provides exceptional stability and performance. With a maximum width of 1700 mm (67 in), the 304 can access those hard to get into areas. Dozer float allows for easy clean up. An angle blade is also an option for finished grading and easier backfilling applications.
- 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 are just a couple of the safety features we’ve built into the machine.
- Maintenance is quick and easy on the Cat mini excavator. Routine check points are easy to access at ground level through the side doors.
- Equipped with features such as auto idle, auto engine shutdown, and efficient hydraulics with a variable displacement pump, the Cat mini excavator was designed with reducing your operating costs in mind.
- The Cat® C1.7 engine meets U.S. EPA Tier 4 Final, EU Stage V, and Japan 2014 emission standards.
- Cat diesel engines are required to use ULSD (ultra-low sulfur diesel fuel with 15 ppm of sulfur or less) or ULSD blended with the following lower-carbon intensity fuels up to: 20% biodiesel FAME (fatty acid methyl ester) * or 100% renewable diesel, HVO (hydrotreated vegetable oil) and GTL (gas-to-liquid) fuels. Refer to guidelines for successful application. Please consult your Cat dealer or “Caterpillar Machine Fluids Recommendations” (SEBU6250) for details.
- Auto Idle helps reduce unnecessary fuel burn and greenhouse gas emissions by allowing the engine to automatically go into idle mode when the machine is not working.
- Engine Idle Shutdown Timer reduces fuel burn, greenhouse gas emissions and unnecessary idle time by shutting down the machine after a pre-set idling period.
- Cruise control helps you maintain a constant speed as you travel across your jobsite saving fuel and reducing greenhouse gas emissions.
- The Cat® Seat Belt Reminder provides audible and visual warnings to remind operators to buckle up during machine operation. The easy-to-install system is compatible with all equipment brands to help ensure operator safety.
- Extended maintenance intervals not only reduce downtime but decrease the amount of fluid and filters that are replaced over the life of the machine.
- Remote Flash minimizes downtime and maintenance time while keeping your asset running with maximum efficiency. Alerts for machine updates are sent virtually from your Cat dealer and updates can be deployed without a dealer technician needing to be onsite.(if equipped)
- Remote Troubleshoot decreases maintenance time and keeps your machine running with maximum efficiency by allowing your Cat dealer to virtually test the machine while working. Once a problem is identified, a technician can fix it the first time, saving time and money.(if equipped)
- Cat Grade with advanced 2D and 3D technologies combine advanced guidance with optional automated machine control helping you reach grading targets while reducing fuel burn and greenhouse gas emissions by improving efficiency, job site productivity, and accuracy. (if equipped).
A23
A41
305 mm (12 in)
406 mm (16 in)
508 mm (20 in)
619 mm (24 in)
914 mm (36 in)
300 mm (12 in)
460 mm (18 in)
600 mm (24 in)
300 mm (12 in)
450 mm (18 in)
600 mm (24 in)
400 mm (16 in)
450 mm (18 in)
500 mm (20 in)
500 mm (20 in)
1000 mm (39 in)
1400 mm (55 in)
1000 mm (39 in)
1200 mm (47 in)
1200 mm (47 in)
1200 mm (47 in)
300 mm (12 in)
400 mm (16 in)
305 mm (12 in) 3-4 Ton, Pin On
406 mm (16 in) 3-4 Ton, Pin On
559 mm (22 in) 3-4 Ton, Pin On
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500 mm (20 in)
750 mm (30 in)
400 mm (16 in)
400 mm (16 in)
500 mm (20 in)
700 mm (28 in)
300 mm (12 in)
600 mm (24 in)
700 mm (28 in)
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