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303.5E2 CR Hydraulic Excavator

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.

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SPECIFICATION SUMMARY
  • Engine Model Cat® C1.7
  • Net Power 23.5 hp
  • Operating Weight 8209 lb
  • Gross Power 24.8 hp

PRICE (USD)
Call 800-637-5000 for rate information

Engine

  • Engine Model
    Cat® C1.7
  • Net Power
    23.5 hp
  • Gross Power
    24.8 hp
  • Bore
    3.4 in
  • Stroke
    3.6 in
  • Displacement
    104 in3
  • Net Power (ISO 9249)
    23.5 hp
  • Rated Net Power (ISO 9249)
    23.5 hp
  • Note
    Cat C1.7 engine meets U.S. EPA Tier 4 Final/EU Stage IIIB emission standards.
  • Engine Model
    Cat® C1.7
  • Net Power
    23.5 HP
  • Gross Power
    24.8 HP
  • Bore
    3.4 in
  • Displacement
    104 in³
  • Stroke
    3.6 in
  • Net Power - ISO 9249
    23.5 HP
  • Note
    Cat C1.7 engine meets U.S. EPA Tier 4 Final/EU Stage IIIB emission standards.
  • Rated Net Power - ISO 9249
    23.5 HP

Weights

  • Operating Weight
    8209 lb
  • Operating Weight - With Cab
    8209 lb
  • Operating Weight with Canopy
    7803 lb
  • Note
    Weight includes rubber tracks, bucket, operator, full fuel and auxiliary lines.
  • Operating Weight
    8209 lb
  • Note
    Weight includes rubber tracks, bucket, operator, full fuel and auxiliary lines.
  • Operating Weight - With Canopy
    7803 lb
  • Note
    7803 lb

Swing System

  • Machine Swing Speed
    10 rpm
  • Boom Swing - Left - Without Stop
    80°
  • Boom Swing - Left - With Stop
    55°
  • Swing - Right
    50°
  • Machine Swing Speed
    10 r/min

Blade

  • Width
    70 in
  • Height
    13 in
  • Dig Depth
    19 in
  • Lift Height
    16 in
  • Width
    70 in

Service Refill Capacities

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

Travel System

  • Travel Speed – High
    2.9 mph
  • Travel Speed – Low
    2.0 mph
  • Maximum Traction Force - High Speed
    3822 lbf
  • Maximum Traction Force - Low Speed
    6992 lbf
  • Ground Pressure
    4.6 psi
  • Travel Speed - High
    2.9 mile/h
  • Travel Speed - Low
    2 mile/h
  • Ground Pressure
    4.6 psi

Hydraulic System

  • Pump Flow
    26.4 gal/min
  • Operating Pressure - Equipment
    3553 psi
  • Operating Pressure - Travel
    3553 psi
  • Operating Pressure - Swing
    3132 psi
  • Auxiliary Circuit - Primary
    18.5 gal/min
  • Auxiliary Circuit - Secondary
    6.6 gal/min
  • Digging Force - Stick - Standard
    4249 lbf
  • Digging Force - Stick - Long
    3799 lbf
  • Digging Force = Bucket
    7419 lbf
  • Note
    Load sensing hydraulics with variable displacement piston pump.
  • Digging Force - Bucket
    7419 lbf
  • Note
    Load sensing hydraulics with variable displacement piston pump.

Operating Specifications

  • Maximum Dig Depth
    125 in
  • Maximum Dig Depth
    125 in

Operator Station

Operation and Hydraulic Control

Engine

COMPASS Control Panel

Compact Radius Design

Undercarriage

Dozer Blade

Coupler and Work Tool Options

Serviceability and Support

Standard Equipment:

  • Stick
    • – Long stick (optional in Europe)

Optional Equipment:

  • Stick
    • – Standard stick (Europe only)