303.5E CR

Heavy Equipment

303.5E CR

Net Power
31.6 HP / 23.6 kW
Operating Weight
7734 lb / 3508 kg
Operating Weight - With Cab
8139 lb / 3692 kg

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

Engine
Engine Model Cat® C1.8
Net Power 31.6 HP / 23.6 kW
Gross Power 33.3 HP / 24.8 kW
Weights
Operating Weight 7734 lb / 3508 kg
Operating Weight - With Cab 8139 lb / 3692 kg
Dimensions
Maximum Digging Depth - Standard Stick 9.6 ft / 2880 mm
Maximum Reach - Ground Level - Standard Stick 16.7 ft / 5060 mm
Height - Over Cab 8.2 ft / 2500 mm
Maximum Cutting Height - Long Stick 16.5 ft / 5030 mm
Maximum Cutting Height - Standard Stick 16.2 ft / 4920 mm
Maximum Dump Height - Long Stick 11.9 ft / 3640 mm
Maximum Dump Height - Standard Stick 11.5 ft / 3520 mm
Maximum Horizontal Reach - Long Stick 17.8 ft / 5440 mm
Maximum Horizontal Reach - Standard Stick 17.1 ft / 5200 mm
Maximum Vertical Dig Depth - Long Stick 8.2 ft / 2470 mm
Maximum Vertical Dig Depth - Standard Stick 7.7 ft / 2320 mm
Shipping Height 8.2 ft / 2500 mm
Shipping Length 15.5 ft / 4730 mm
Track Shoe Width 1 ft / 300 mm
Transport Width 5.8 ft / 1780 mm
Engine Dimensions
Bore 3.4 in / 87 mm
Stroke 4 in / 102.4 mm
Displacement 110 in³ / 1.8 l
Travel System
Maximum Traction Force - High Speed 3799 lb / 16.9 kN
Maximum Traction Force - Low Speed 6969 lb / 31 kN
Travel Speed - High 2.8 mile/h / 4.6 km/h
Travel Speed - Low 1.6 mile/h / 2.6 km/h
Hydraulic System
Operating Pressure - Equipment 3553 psi / 245 bar
Digging Force - Stick - Standard 4249 lb / 18.9 kN
Digging Force - Stick - Long 3799 lb / 16.9 kN
Digging Force - Bucket 7419 lb / 33 kN
Operating Pressure - Travel 3553 psi / 245 bar
Operating Pressure - Swing 2625 psi / 181 bar
Auxiliary Circuit - Primary 15.9 gal/min / 60 l/min
Auxiliary Circuit - Secondary 7.1 gal/min / 27 l/min
Swing System
Machine Swing Speed 9 r/min
Boom Swing - Left - Without Stop 80 °
Boom Swing - Left - With Stop 55 °
Boom Swing - Right 50 °
Blade
Width 70 in / 1780 mm
Height 12.8 in / 325 mm
Dig Depth 18.5 in / 470 mm
Lift Height 15.7 in / 400 mm
Service Refill Capacities
Cooling System 1.5 gal (US) / 5.5 l
Engine Oil 1.8 gal (US) / 7 l
Hydraulic Tank 11.2 gal (US) / 42.3 l
Fuel Tank 12.2 gal (US) / 46 l
Hydraulic System 17.2 gal (US) / 65 l
MSC Comments
MSC Spec Date 3/06
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