Home / Rental / Excavators / 305.5E2 CR Mini Hydraulic Excavator

305.5E2 CR Mini Hydraulic Excavator

Overview

The Cat® 305.5E2 CR Mini Hydraulic Excavator delivers high performance, durability and versatility in a compact design to help you work in a variety of applications.

Download Product Brochure Print

QUALITY

The durable hoods and frame and the compact radius design of the 305.5E2 let you work comfortably and confidently in confined areas. The operator environment includes a high quality suspension seat, easy to adjust armrests and 100% pilot controls which offer consistent and long-lasting controllabili...

EFFICIENCY

High Definition Hydraulic System provides a load sensing and flow sharing capability leading to operational precision, efficient performance and greater controllability. Power on Demand provides optimal efficiency and performance the moment you need it. This automatic system ensures fuel efficiency ...

VERSATILITY

Broad range of Cat Work Tools make the Cat Mini Excavator a versatile machine able to meet the requirements of any job site. Over 200 degrees of bucket rotation provides greater material retention during truck loading and easier flat wall digging without having to reposition the machine.

PERFORMANCE

SERVICEABILITY

Convenient service and maintenance requirements include ease of access to daily check points, 500 hour engine oil and filter change period, 500 hour grease interval on front implement, S·O·SSM oil sampling valve and overall long term durability.

SAFETY

All Cat Mini Excavators from 3.5 metric tons to 8 metric tons are ROPS, TOPS and Top Guard Level 1 certified and include the Cat Interlock (hydraulic lockout) System, a certified accumulator which allows for auxiliary pressure to be released, making connecting and disconnecting work tools safer and ...

QUALITY

EFFICIENCY

VERSATILITY

PERFORMANCE

Front shovel bucket orientation provides the operator with more ways to get the job done faster. COMPASS Control Panel is a standard feature that allows the operator to easily adjust auxiliary flows to achieve the optimal work tool performance, activate auto idle for improved fuel efficiency and utilize the security system to ensure protection of valuable assets with the simple touch of a button. The Site Reference System included in the COMPASS monitor provides output from pitch and roll sensors to aid in grading and level trenching. This impacts accuracy and productivity for job site finishing.

SERVICEABILITY

SAFETY

Undercarriage

Number of Track Rollers: 4
Track Roller Type: Center Flange
Number of Carrier Rollers: 1

Hydraulic System

Type: Load Sensing Hydraulics with Variable Displacement Piston Pump
Digging Force - Bucket: 11445lb
Maximum Auxiliary Circuit - Primary - Flow: 21.1gal/min
Maximum Auxiliary Circuit - Secondary - Flow: 6.6gal/min
Maximum Auxiliary Circuit - Secondary - Pressure: 3553psi
Maximum Auxiliary Circuit - Primary - Pressure: 3553psi
Auxiliary Circuit - Secondary (174 bar/2,524 psi): 6.6gal/min
Auxiliary Circuit - Primary (186 bar/2,734 psi): 21.1gal/min
Pump Flow at 2,400 rpm: 39.6gal/min
Digging Force - Stick - Long: 5575lb
Operating Pressure - Swing: 3132psi
Operating Pressure - Equipment: 3553psi
Digging Force - Stick - Standard: 6500lb
Operating Pressure - Travel: 3553psi

Certification - Cab and Canopy

Roll Over Protective Structure (ROPS): ISO 12117-2
Top Guard: ISO 10262 (Level I)
Tip Over Protective Structure (TOPS): ISO 12117

Air Conditioning System

Air Conditioning: The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 1.0 kg of refrigerant which has a CO2 equivalent of 1.4 metric tonnes.

Lift Capacities at Ground Level - Lift Point Radius: 3000 mm (9'8”)

Blade Down - Front: 5710lb
Blade Down - Side: 2844lb
Blade Up - Side: 2535lb
Blade Up - Front: 3417lb

Dimensions - Long Stick

Boom Height - Shipping Position: 85in
O/A Undercarriage Length: 102in
Boom In Reach: 100in
O/A Track Width: 78in
Maximum Reach: 243in
Track Belt/Shoe Width: 16in
Boom Swing - Left: 27in
Maximum Dig Height: 220in
Swing Bearing - Height: 24in
Tail Swing: 44in
Maximum Blade Height: 16in
Maximum Reach - Ground Level: 237in
Maximum Dump Clearance: 161in
Maximum Blade Depth: 22in
Vertical Wall: 107in
O/A Shipping Height: 100in
O/A Shipping Length: 215in
Boom Swing - Right: 31in
Dig Depth: 152in

Engine

Emissions: Meets U.S. EPA Tier 4 Final/EU Stage IIIA emission standards.
Gross Power - ISO 14396: 45.7hp
Displacement: 146in³
Stroke: 4in
Bore: 3.4in
Net Power - 2,200 rpm - ISO 9249/EEC 80/1269: 44.1hp
Engine Model: Cat® C2.4
Net Power: 44.1hp

Swing System

Note: *Automatic swing brake, spring applied, hydraulic release.
Boom Swing - Left - Without Stop*: 80°
Boom Swing - Left - With Stop*: 60°
Machine Swing Speed: 10r/min
Boom Swing - Right: 50°

Cab

Exterior Sound Power Level - ISO 6395:2008*: 97dB(A)
Note: *European Union Directive “2000/14/EC”
Dynamic Operator Sound Pressure Level (ISO 6396:2008): 81dB(A)

Dimensions - Standard Stick

Maximum Reach: 228in
Swing Bearing - Height: 24in
Maximum Dump Clearance: 150in
O/A Track Width: 78in
Boom Swing - Left: 27in
Boom Height - Shipping Position: 69in
Tail Swing: 44in
Vertical Wall: 92in
Maximum Dig Height: 210in
Boom Swing - Right: 31in
Maximum Reach - Ground Level: 222in
O/A Shipping Length: 210in
Maximum Blade Height: 16in
O/A Undercarriage Length: 102in
Track Belt/Shoe Width: 16in
Maximum Blade Depth: 22in
Dig Depth: 137in
O/A Shipping Height: 100in
Boom In Reach: 94in

Travel System

Gradeability - Maximum: 30°
Ground Pressure - Cab: 4.6psi
Ground Pressure - Canopy: 4.5psi
Travel Speed - Low: 2.05mile/h
Maximum Traction Force - Low Speed: 10746lb
Maximum Traction Force - High Speed: 6025lb
Travel Speed - High: 2.36mile/h

Weights*

Weight - Canopy, Long Stick: 11596lb
Weight - Cab, Standard Stick: 11863lb
Note: *Weight includes counterweight, rubber tracks, bucket, operator, full fuel and auxiliary lines.
Weight - Cab, Long Stick: 11958lb
Weight - Canopy, Standard Stick: 11503lb
Operating Weight: 11958lb

Lift Capacities at Ground Level - Lift Point Radius: 4500 mm (14'9”)

Blade Down - Side: 1521lb
Blade Up - Front: 1808lb
Blade Up - Side: 1367lb
Blade Down - Front: 3042lb

Operating Specifications

Stick Length - Standard: 55in
Counterweight: 364.4lb
Stick Length - Long: 70in

Service Refill Capacities

Hydraulic System: 20.6gal (US)
Engine Oil: 2.5gal (US)
Cooling System: 2.8gal (US)
Fuel Tank: 16.6gal (US)
Hydraulic Tank: 18gal (US)

Blade

Height: 14.8in
Dig Depth: 21.9in
Lift Height: 15.9in
Width: 78in

Standard/Optional Features

Standard Equipment:

Engine
- Cat C2.4 diesel engine (meets U.S. EPA Tier 4 Final emission standards for North America and EU Stage IIIA/Tier 4 Interim emission standards for all other regions)
- Automatic engine idle
- Automatic engine shut-off
- Automatic two speed travel
- Diesel Particulate Filter (North America only)
- Diesel Oxidation Catalyst (North America only)
- Fuel and water separator
- Power on demand
Hydraulic System
- 1-way and 2-way (combined function)
- Accumulator
- Automatic swing parking brake
- Auxiliary hydraulic lines
- Adjustable auxiliary relief
- Auxiliary line quick disconnects
- Cat interlock system: hydraulic lockout
- Continuous auxiliary flow
- Ecology drain
- Hydraulic oil cooler
- High definition hydraulics
- Load sensing/flow sharing
Operator Environment
- 100% pilot control ergonomic joysticks
- Adjustable armrests
- COMPASS: complete, operation, maintenance, performance and security system
  - Multiple languages
- Cup holder
- Hydraulic neutral lockout bar
- Literature holder
- Pattern changer (optional in Europe)
- Site reference system: leveling
- Tool storage area
- Travel control pedals with hand levers
- Washable floor mat
Undercarriage
- Dozer blade with float function
- Track, rubber belt, 400 mm (16 in) width
- Tie down eyes on track frame
- Towing eye on base frame
Front Linkage
- 200 degree bucket rotation
- Certified lifting eye on bucket linkage (optional in Europe)
- Front shovel capable
- Thumb ready stick
Electrical
- 12 volt electrical system
- 60 ampere alternator
- 650 CCA maintenance free battery
- Fuse box
- Ignition key start/stop switch
- Slow blow fuse
- Warning horn
Lights And Mirrors
- Boom light with time delay capability
Safety And Security
- Anti-theft system (COMPASS)
- Caterpillar Corporate “One Key” System
- Door locks
- Lockable fuel cap
- Retractable seat belt
- Roll Over Protective Structure (ROPS) (ISO 12117-2)
- Tip Over Protective Structure (TOPS) (ISO 12117)
- Top guard – ISO 10262 (Level 1)
- Travel alarm (optional in Europe)
Technology
- Product Link^™

Optional Equipment:

Engine
- Engine block heater
Hydraulic System
- Quick coupler lines
- Boom lowering check valve
- Stick lowering check valve
- Secondary auxiliary hydraulic lines
Operator Environment
- Cab:
  - Air conditioning
  - Heat
  - High back suspension seat
  - Interior light
  - Interlocking front window system
  - Radio
  - Windshield wiper
Undercarriage
- Power angle blade
- Track, double grouser (steel), 400 mm (16 in)
- Track, double grouser (steel) with rubber pad, 400 mm (16 in)
Front Linkage
- Quick coupler: manual or hydraulic
- Thumb
- Buckets
- Full range of performance matched work tools
  - Auger, hammer, ripper
Lights And Mirrors
- Light, cab with time delay capability
- Mirror, canopy right
- Mirror, canopy left
- Mirror, cab rear
Safety And Security
- Battery disconnect
- Beacon socket
- Front wire mesh guard
- Rearview camera
- Vandal guard
Other Attachments
- Counterweight, extra

Take The Virtual Product Tour To Explore The Features And Benefits of the 305.5E2 CR Mini Hydraulic Excavator

See how 305.5E2 CR compares against frequently compared products

305.5E2 CR Excavators

Dig Depth: 21.9 in
Operating Weight: 11958 lb

Selected Model

300.9D VPS & HPU300 Excavators

Dig Depth: 68 in
Digging Depth: 68 in
Operating Weight: 2399 lb

View Full Specs

300.9D Excavators

Maximum Digging Depth: 5.68 ft
Dig Depth: 68 in
Operating Weight: 2061 lb

View Full Specs

Compare with other Cat Models

Compare Now

Media Gallery

Check out our current offers

View Specials

305.5E2 CR Mini Hydraulic Excavator

Overview