THIS IS MY SELECT
Mini Excavators
304 Mini Excavator
Net Power
45 HP
Operating Weight
9,867 lb
Dig Depth
138.2 in
THIS IS MY SELECT
backhoe loader
304 Mini Excavator
Net Power
45 HP
Operating Weight
9,867 lb
Dig Depth
138.2 in
Specifications
The Cat® 304 Mini Excavator delivers power and performance in a compact size to help you work in a wide range of applications.
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Net Power
45 HP
33.6 kW
Engine Model
93.0 in
93.0 mm
C1.7 Turbo
Gross Power - 2,400 rpm - SAE J1995:2014
48.4 HP
36.1 kW
Bore
3.3 in
84 mm
Emissions
93.0 in
93.0 mm
Meets U.S. EPA Tier 4 Final and EU Stage V emission standards.
Stroke
3.9 in
100 mm
Displacement
101 in³
1.662 l
Net Power - 2,400 rpm - ISO 9249, 80/1269/EEC
45 HP
33.6 kW
Note
93.0 in
93.0 mm
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.
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Average Exterior Sound Pressure (ISO 6395:2008)
97 dB(A)
97 dB(A)
Operator Sound Pressure (ISO 6396:2008)
76 dB(A)
76 dB(A)
Note
93.0 in
93.0 mm
European Union Directive “2000/14/EC”
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Maximum Reach - Ground Level
204.7 in
5,200 mm
Vertical Wall
94.3 in
2,395 mm
Note
93.0 in
93.0 mm
*Overall Shipping Length depends on blade position during shipment.
Tail Swing with Counterweight
51.2 in
1,300 mm
Boom In Reach
88.8 in
2,255 mm
Dig Depth
126.4 in
3,210 mm
Maximum Dig Height
198.4 in
5,040 mm
Maximum Blade Height
16.5 in
420 mm
Swing Bearing - Height
21.9 in
557 mm
Boom Swing - Left
20.9 in
530 mm
Stick Length
54.9 in
1,395 mm
O/A Undercarriage Length
87 in
2,210 mm
Track Belt/Shoe Width
13.8 in
350 mm
Boom Height - Shipping Position
63.8 in
1,620 mm
Boom Swing - Right
28.7 in
730 mm
Maximum Dump Clearance
143.5 in
3,645 mm
Ground Clearance
12 in
305 mm
Maximum Reach
209.8 in
5,330 mm
O/A Shipping Height
100 in
2,540 mm
Tail Swing without Counterweight
47.4 in
1,205 mm
Maximum Blade Depth
18.7 in
475 mm
Overall Shipping Length*
194.9 in
4,950 mm
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Dig Depth
138.2 in
3,510 mm
Maximum Blade Depth
18.7 in
475 mm
O/A Shipping Height
100 in
2,540 mm
Maximum Dump Clearance
147.2 in
3,740 mm
Stick Length
66.7 in
1,695 mm
Maximum Dig Height
201.8 in
5,125 mm
Maximum Reach - Ground Level
214.4 in
5,445 mm
Track Width
66.9 in
1,700 mm
Tail Swing with Counterweight
51.2 in
1,300 mm
Swing Bearing - Height
21.9 in
557 mm
Boom Height - Shipping Position
75.2 in
1,910 mm
Boom Swing - Left
20.9 in
530 mm
Maximum Reach
219.3 in
5,570 mm
Boom In Reach
92.1 in
2,340 mm
Boom Swing - Right
28.7 in
730 mm
Track Belt/Shoe Width
13.8 in
350 mm
Vertical Wall
99.8 in
2,535 mm
Maximum Blade Height
16.5 in
420 mm
Note
93.0 in
93.0 mm
*Overall Shipping Length depends on blade position during shipment.
Overall Shipping Length*
194.9 in
4,950 mm
Ground Clearance
12 in
305 mm
O/A Undercarriage Length
87 in
2,210 mm
Tail Swing without Counterweight
47.4 in
1,205 mm
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Operating Weight
9,867 lb
4,475 kg
Minimum Operating Weight with Canopy*
8,655 lb
3,925 kg
Maximum Operating Weight with Canopy**
9,647 lb
4,375 kg
Note (2)
93.0 in
93.0 mm
**Maximum Weight is based on steel tracks, operator, full fuel tank, long stick, straight blade, extra counterweight and no bucket.
Note (1)
93.0 in
93.0 mm
*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**
9,867 lb
4,475 kg
Minimum Operating Weight with Cab*
8,875 lb
4,025 kg
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Steel Tracks
430 lb
195 kg
Counterweight
496 lb
225 kg
Angle Blade
243 lb
110 kg
Long Stick
66 lb
30 kg
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Ground Pressure - Minimum Weight
4.2 psi
28.7 kPa
Maximum Traction Force - Low Speed
7,329 lbf
32.6 kN
Travel Speed - Low
2.2 mile/h
3.5 km/h
Ground Pressure - Maximum Weight
4.9 psi
33.8 kPa
Travel Speed - High
3.2 mile/h
5.2 km/h
Maximum Traction Force - High Speed
4,271 lbf
19 kN
Gradeability - Maximum
93.0 in
93.0 mm
30 degrees
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Cooling System
2.9 gal (US)
11 l
Engine Oil
1.6 gal (US)
6 l
Hydraulic System
17 gal (US)
65 l
Fuel Tank
17 gal (US)
63 l
Hydraulic Tank
14 gal (US)
52 l
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Operating Pressure - Travel
3,553 psi
245 bar
Auxiliary Circuit - Secondary - Pressure
3,553 psi
245 bar
Digging Force - Stick - Long
4,316 lbf
19.2 kN
Auxiliary Circuit - Secondary - Flow
7 gal/min
28 l/min
Pump Flow at 2,400 rpm
25 gal/min
96 l/min
Operating Pressure - Swing
2,611 psi
180 bar
Auxiliary Circuit - Primary - Flow
21 gal/min
65 l/min
Auxiliary Circuit - Primary - Pressure
3,553 psi
245 bar
Note
93.0 in
93.0 mm
Flow and pressure are not combinable. Under load, as flow rises pressure goes down.
Type
93.0 in
93.0 mm
Load Sensing Hydraulics with Variable Displacement Piston Pump
Digging Force - Stick - Standard
4,721 lbf
21 kN
Digging Force - Bucket
8,588 lbf
38.2 kN
Operating Pressure - Equipment
3,553 psi
245 bar
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Boom Swing - Right
93.0 in
93.0 mm
50 Degrees
Machine Swing Speed
9 r/min
9 r/min
Boom Swing - Left
93.0 in
93.0 mm
78 Degrees
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Angle Blade Height
14.2 in
360 mm
Straight Blade Height
14.2 in
360 mm
Straight Blade Width
66.9 in
1,700 mm
Angle Blade Width
66.9 in
1,700 mm
Angle Blade - Right
93.0 in
93.0 mm
25 Degrees
Angle Blade - Left
93.0 in
93.0 mm
25 Degrees
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Roll Over Protective Structure (ROPS)
93.0 in
93.0 mm
ISO 12117-2:2008
Top Guard
93.0 in
93.0 mm
ISO 10262:1998 (Level I)
Tip Over Protective Structure (TOPS)
93.0 in
93.0 mm
ISO 12117:1997
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ENGINE
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Cat® C1.7 Turbo Engine (U.S. EPA Tier 4 Final/EU Stage V)
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Automatic Engine Idle
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Automatic Engine Shutdown
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Automatic Two Speed Travel
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Fuel Water Separator
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Power on Demand (not available in all regions)
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Variable Displacement Piston Pump
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Load Sensing/Flow Sharing Hydraulics
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HYDRAULICS
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Smart Tech Electronic Pump
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Accumulator
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Automatic Swing Brake
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Auxiliary Hydraulic Lines
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One and Two Way Auxiliary Flow
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Continuous Auxiliary Flow
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Auxiliary Line Quick Disconnects
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OPERATOR ENVIRONMENT
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Canopy or Cab (Canopy not available in some regions)
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Top Guard ISO 10262:1998 Level I
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ROPS – ISO 12117-2:2008
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TOPS – ISO 12117:1997
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Stick Steer Mode
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Travel Cruise Control
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Control Pattern Changer (optional in some regions)
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Adjustable Wrist Rests
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Washable Floor Mat
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Travel Pedals and Hand Levers
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Machine Security – Standard Key with Pass Code
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Fabric Suspension Seat (Cab only)
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Vinyl Suspension Seat (Canopy only)
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Hydraulic Lockout – All Controls
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Retractable High Visibility Seat Belt (75 mm/3 in)
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Coat Hook
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Cup Holder
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Storage Pocket
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Skylight
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Mounting Bosses for Front
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Signaling/Warning Horn
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Interior Light (Cab only)
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Boom Light, Halogen (not available in all regions)
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Utility Space for Mobile Phone
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Next Generation Color LCD Monitor (IP66) – Fuel Level and Coolant Temperature Gauges – Maintenance and Machine Monitoring – Performance and Machine Adjustments – Numeric Security Code – Multiple Languages – Hour Meter with Wake Up Switch – Jog Dial (cab only)
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UNDERCARRIAGE
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Rubber Belt (350 mm/13.8 in)
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Dozer Straight Blade
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Dozer Blade Float
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Tie Downs on Track Frame
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BOOM, STICK AND LINKAGES
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One Piece Boom (2500 mm/98.4 in)
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Standard Stick (1395 mm/54.9 in)
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Front Shovel Capable – Pin-On
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Thumb Ready
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Certified Lifting Eye
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ELECTRICAL
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12 Volt Battery
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Software (machine and monitor)
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Maintenance Free Battery
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Battery Disconnect
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12 Volt Power Socket
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Travel Alarm (optional in some regions)
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OTHER
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OPERATOR ENVIRONMENT
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Cab with Air Conditioning
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Cab with Heater
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No Travel Pedals and Hand Levers (optional in some regions)
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Machine Security – Push to Start with Key Fob/Pass Code
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LED Front Lights
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LED Front and Rear Lights
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LED Boom Light
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Mirrors, Left, Right and Rear
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Camera
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Radio – Bluetooth®, Auxiliary, Microphone, USB (charging only) (Cab only)
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Next Generation Advanced Monitor – Touch Screen – Site Reference System – High Definition Camera Capable (IP68 and IP69K) – Numeric Security Code
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UNDERCARRIAGE
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Steel Track (350 mm/13.8 in)
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Steel Track with Rubber Pads
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Angle Blade
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BOOM, STICK AND LINKAGES
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Long Stick (1695 mm/66.7 in)
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Front Shovel Capable – Dual Lock Manual Coupler
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Front Shovel Capable – Hydraulic Coupler
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Attachments including Couplers, Thumbs, Buckets, Augers and Hammers
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2nd Auxiliary Hydraulic Lines
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Bucket Divert Lines
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Boom Lowering Check Valve
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Stick Lowering Check Valve
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Hydraulic Quick Coupler Lines
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ELECTRICAL
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Product Link™ PL243 (regulations apply)
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Product Link PLE643 (regulations apply)
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GUARDING
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Polycarbonate Half Height Front Guard (Canopy only)
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Polycarbonate Front Guard (ISO 10262:1998 Level I and EN356 P5A)
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Heavy Duty Front Guard ISO 10262:1998 Level II
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Heavy Duty Top Guard 10262:1998 Level II (Cab only)
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OTHER
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Bio Oil Capable
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Eco Drain
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Water Jacket Heater
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WHY CHOOSE EMPIRE
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Every purchase backed by a full menu of service and support offerings
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Flexible financing options designed to fit your budget
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Commitment to providing expert training to maximize operations
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Value Agreements to ensure proper maintenance and performance