New | 303.5E CR Hydraulic Excavator

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

Engine
Engine ModelCat® C1.8
Net Power31.6 HP
Gross Power33.3 HP
Weights
Operating Weight7734 lb
Operating Weight - With Cab8139 lb
Dimensions
Maximum Digging Depth - Standard Stick9.6 ft
Maximum Reach - Ground Level - Standard Stick16.7 ft
Height - Over Cab8.2 ft
Maximum Cutting Height - Long Stick16.5 ft
Maximum Cutting Height - Standard Stick16.2 ft
Maximum Dump Height - Long Stick11.9 ft
Maximum Dump Height - Standard Stick11.5 ft
Maximum Horizontal Reach - Long Stick17.8 ft
Maximum Horizontal Reach - Standard Stick17.1 ft
Maximum Vertical Dig Depth - Long Stick8.2 ft
Maximum Vertical Dig Depth - Standard Stick7.7 ft
Shipping Height8.2 ft
Shipping Length15.5 ft
Track Shoe Width1 ft
Transport Width5.8 ft
Engine Dimensions
Bore3.4 in
Stroke4 in
Displacement110 in³
Travel System
Maximum Traction Force - High Speed3799 lb
Maximum Traction Force - Low Speed6969 lb
Travel Speed - High2.8 mile/h
Travel Speed - Low1.6 mile/h
Hydraulic System
Operating Pressure - Equipment3553 psi
Digging Force - Stick - Standard4249 lb
Digging Force - Stick - Long3799 lb
Digging Force - Bucket7419 lb
Operating Pressure - Travel3553 psi
Operating Pressure - Swing2625 psi
Auxiliary Circuit - Primary15.9 gal/min
Auxiliary Circuit - Secondary7.1 gal/min
Swing System
Machine Swing Speed9 r/min
Boom Swing - Left - Without Stop80 °
Boom Swing - Left - With Stop55 °
Boom Swing - Right50 °
Blade
Width70 in
Height12.8 in
Dig Depth18.5 in
Lift Height15.7 in
Service Refill Capacities
Cooling System1.5 gal (US)
Engine Oil1.8 gal (US)
Hydraulic Tank11.2 gal (US)
Fuel Tank12.2 gal (US)
Hydraulic System17.2 gal (US)
MSC Comments
MSC Spec Date3/06
  • Operator Station
  • Performance
  • Zero Tail Swing
  • Coupler And Work Tool Options
  • Dozer Blade
  • Undercarriage
  • Serviceability
  • Customer Support

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