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303.5E CR Hydraulic Excavator
303.5E CR Hydraulic Excavator
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The Cat 303.5E CR delivers high performance in a compact radius design to help you work in the tightest applications.



Net Power
31.6 HP
Gross Power
33.3 HP
Engine Model
Cat® C1.8


Operating Weight
7734 lb
Operating Weight - With Cab
8139 lb

Service Refill Capacities

Engine Oil
1.8 gal (US)
Cooling System
1.5 gal (US)
Hydraulic System
17.2 gal (US)
Hydraulic Tank
11.2 gal (US)
Fuel Tank
12.2 gal (US)


Transport Width
5.8 ft