CAT 304.5 Mini Excavator

Dimensions

Shipping Length (Standard) 218.9 in (5560 mm)
Shipping Length (Long Stick) 223.6 in (5680 mm)
Height to Top of Canopy 99.6 in (2530 mm)
Height to Top of Cab 99.6 in (2530 mm)
Width – Upper Structure 50.6 in (1285 mm)
Width – Over Track 74.8 in (1900 mm)
Track Gauge 59.1 in (1500 mm)
Track Shoe Width 15.7 in (400 mm)
Rear Swing Radius 58.7 in (1490 mm)
Ground Clearance 13.0 in (330 mm)

CAT 304.5 Mini Excavator Dimensions

Swing System

Swing System Type Hydraulic Motor Driven. Centralized lubrication
Swing Brake Automatic swing brake, spring applied, hydraulic release
Swing Speed 8.5 rpm
Boom Swing – Left w/o Stop 90°
Boom Swing – Left w/ Stop 42°
Boom Swing – Right 50°

CAT 304.5 Mini Excavator Working Range

Working Range

CAT 304.5 Standard Stick Long Stick
Stick Digging Force 5171 lbf (23.0 kN) 4361 lbf (19.4 kN)
Bucket Digging Force 8880 lbf (39.5 kN) 8880 lbf (39.5 kN)
A. Boom In Reach 79.9 in (2030 mm) 88.6 in (2250 mm)
B. Maximum Cutting Height 223.6 in (5680 mm) 233.9 in (5940 mm)
C. Maximum Dump Height 158.3 in (4020 mm) 168.5 in (4280 mm)
D. Maximum Digging Depth 139.0 in (3530 mm) 154.7 in (3930 mm)
E. Maximum Vertical Dig Depth 105.9 in (2690 mm) 121.3 in (3080 mm)
F. Maximum Reach – Ground Level 223.2 in (5670 mm) 238.2 in (6050 mm)
G. Maximum Horizontal Reach 228.7 in (5810 mm) 243.3 in (6180 mm)
Stick Length 56.3 in (1430 mm) 72.0 in (1830 mm)

Undercarriage

Track Shoe Width 15.7 in (400 mm)
Track Gauge 59.1 in (1500 mm)
Undercarriage Width 74.8 in (1900 mm)
Undercarriage Length 96.5 in (2450 mm)
Number of Track Rollers Per Side 4
Number of Carrier Rollers Per Side 1

CAT 304.5 Mini Excavator Undercarriage and Blade Specs

Dozer Blade

Blade Height 14.6 in (370 mm)
Blade Width 74.8 in (1900 mm)
Blade Lift Height 16.5 in (420 mm)
Blade Dig Depth 14.2 in (360 mm)

CAT 304.5 Mini Excavator Weight

Weights

Operating Weight (Cab) 10130 lb (4595 kg)
Operating Weight (Canopy) 9866 lb (4475 kg)

Engine Details

Engine Model Cat 3013 Cat 3024
Number of Cylinders 3 4
Displacement 91.3 cu in (1.496 L) 135.2 cu in (2.216 L)
Bore 3.30 in (84 mm) 3.30 in (84 mm)
Stroke 3.94 in (100 mm) 3.94 in (100 mm)
Gross Power 39 hp (29 kw) 39 hp (29 kw)
Net Power 38 hp (28 kw) 36 hp (27 kw)
Power Measured @ 3000 rpm 2300 rpm
Aspiration Naturally Aspirated Naturally Aspirated

CAT 304.5 Mini Excavator Specs

Operational Specs

Operating Weight (Cab) 10130 lb (4595 kg)
Operating Weight (Canopy) 9866 lb (4475 kg)
Operating Voltage 12 V
Alternator 55 amps
Battery 12 V, 55 Ah, CCA 650
Noise Level (inside cab) 82 dB(A)
Noise Level (inside canopy) 80 dB(A)
Noise Level (exterior) 97 dB(A)

Travel System

Type Hydrostatic transmission. Each track is driven by one independent two-speed motor
Max Travel Speed, High 2.9 mph (4.7 km/h)
Max Travel Speed, Low 1.7 mph (2.8 km/h)
Max Traction Force, High Speed 4721 lbf (21.0 kN)
Max Traction Force, Low Speed 8767 lbf (39.0 kN)
Gradeability 30°

Hydraulic System

Type Auxiliary valve, lines to the swing post and foot pedal are standard
Pump Type Two piston pumps + one gear-type pump
Piston Pump Flow Capacity 2 x 13 gal/min (2 x 49.1 L/min)
Gear Pump Flow Capacity 10.3 gal/min (39.1 L/min)
Operating Pressure (Equipment) 3336 psi (23000 kPa)
Operating Pressure (Travel) 3336 psi (23000 kPa)
Operating Pressure (Swing) 2698 psi (18600 kPa)
Auxiliary Circuit Flow 23.2 gal/min (88 L/min)
Secondary Auxiliary Line Optional
Controls Boom, stick, bucket and machine swing are pilot-controlled

CAT 304.5 Service Refill Capacities

Service Refill Capacities

Fuel Tank Capacity 14.5 gal (55 L)
Engine Oil Capacity 2.0 gal (7.4 L)
Cooling System Capacity 1.7 gal (6.3 L)
Hydraulic System Capacity (w/ tank) 22.5 gal (85 L)
Hydraulic Tank Capacity 14.8 gal (56 L)
Final Drive Fluid Capacity 0.3 gal (1.1 L)
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