303.5E2 CR Hydraulic Excavator

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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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Product Specs

Weights

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

Travel System

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

Hydraulic System

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

Swing System

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

Blade

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

Engine

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

Service Refill Capacities

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

Operating Specifications

Maximum Dig Depth
125in

Worktool Attachments

Equipment

  • Stick
    • – Long stick (optional in Europe)

Optional Equipment

  • Stick
    • – Standard stick (Europe only)

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