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Cat 303.5E2 CR Excavator
Overview
The Cat E2 Series Mini Hydraulic Excavators are designed to carry on the solid performance of their E Series predecessors, while adding even greater value for the customer. The new High Definition Hydraulic (HDH) System, redesigned operator station and enhanced digital control panel specially designed for Cat Mini Excavators – COMPASS (Complete, Operation, Maintenance, Performance And Security System) – are all standard features that improve performance and increase value.| Engine Model | Cat® C1.7 Cat® C1.7 | More |
| Net Power | 23.5 hp 17.5 kW | More |
| Gross Power | 24.8 hp 18.5 kW | More |
| Bore | 3.4 in 87.0 mm | More |
| Stroke | 3.6 in 92.4 mm | More |
| Displacement | 104.0 in3 1.7 L | More |
| Net Power (ISO 9249) | 23.5 hp 17.5 kW | More |
| Rated Net Power (ISO 9249) | 23.5 hp 17.5 kW | More |
| Note | Cat C1.7 engine meets U.S. EPA Tier 4 Final/EU Stage IIIB emission standards. Cat C1.7 engine meets U.S. EPA Tier 4 Final/EU Stage IIIB emission standards. | More |
Weights
| Operating Weight | 8209.0 lb 3723.0 kg | More |
| Operating Weight with Cab | 8209.0 lb 3723.0 kg | More |
| Operating Weight with Canopy | 7803.0 lb 3539.0 kg | More |
| Note | Weight includes rubber tracks, bucket, operator, full fuel and auxiliary lines. Weight includes rubber tracks, bucket, operator, full fuel and auxiliary lines. | More |
Hydraulic System
| Pump Flow | 26.4 gal/min 100.0 L/min | More |
| Operating Pressure – Equipment | 3553.0 psi 245.0 bar | More |
| Operating Pressure – Travel | 3553.0 psi 245.0 bar | More |
| Operating Pressure – Swing | 3132.0 psi 216.0 bar | More |
| Auxiliary Circuit – Primary | 18.5 gal/min 70.0 L/min | More |
| Auxiliary Circuit – Secondary | 6.6 gal/min 25.0 L/min | More |
| Digging Force = Stick (standard) | 4249.0 lbf 18.9 kN | More |
| Digging Force = Stick (long) | 3799.0 lbf 16.9 kN | More |
| Digging Force = Bucket | 7419.0 lbf 33.0 kN | More |
| Note | Load sensing hydraulics with variable displacement piston pump. Load sensing hydraulics with variable displacement piston pump. | More |
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Standard Stick |
Long Stick |
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1 Dig Depth |
2880 mm |
113 in |
3180 mm |
125 in |
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2 Vertical Wall |
2320 mm |
91 in |
2470 mm |
97 in |
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3 Maximum Reach at Ground Level |
5060 mm |
199 in |
5320 mm |
209 in |
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4 Maximum Reach |
5200 mm |
205 in |
5440 mm |
214 in |
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5 Maximum Dig Height |
4920 mm |
194 in |
5030 mm |
198 in |
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6 Maximum Dump Clearance |
3520 mm |
139 in |
3640 mm |
143 in |
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7 Boom In Reach |
2060 mm |
81 in |
2180 mm |
86 in |
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8 Tail Swing |
890 mm |
35 in |
890 mm |
35 in |
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9 Maximum Blade Height |
400 mm |
16 in |
400 mm |
16 in |
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10 Maximum Blade Depth |
470 mm |
19 in |
470 mm |
19 in |
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11 Boom Height in Shipping Position |
1420 mm |
56 in |
1650 mm |
65 in |
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12 O/A Shipping Height |
2500 mm |
98 in |
2500 mm |
98 in |
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13 Swing Bearing Height |
565 mm |
22 in |
565 mm |
22 in |
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14 O/A Undercarriage Length |
2220 mm |
87 in |
2220 mm |
87 in |
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15 O/A Shipping Length |
4730 mm |
186 in |
4790 mm |
189 in |
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16 Boom Swing Right |
765 mm |
30 in |
765 mm |
30 in |
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17 Boom Swing Left |
670 mm |
26 in |
670 mm |
26 in |
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18 Track Belt/Shoe Width |
300 mm |
12 in |
300 mm |
12 in |
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19 O/A Track Width |
1780 mm |
70 in |
1780 mm |
70 in |
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303.5E2 CR Lift Capacities at Ground Level* |
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Lift Point Radius |
3000 mm (9'8") |
4000 mm (13'1") |
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Front |
Side |
Front |
Side |
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Blade Down |
kg |
1340 |
720 |
850 |
460 |
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lb |
2,955 |
1,588 |
1,874 |
1,014 |
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Blade Up |
kg |
750 |
660 |
470 |
420 |
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lb |
1,654 |
1,455 |
1,036 |
926 |
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