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305E2 CR Mini Hydraulic Excavator

Net Power

40.2 HP

Operating Weight

11,443 lb

Dig Depth

144 in

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SPECIFICATIONS

The Cat® 305E2 CR Mini Hydraulic Excavator delivers high performance, durability and versatility in a compact design to help you work in a variety of applications.

FULL SPECIFICATIONS

Blade

Width

78 in

Height

14.8 in

Dig Depth

21.9 in

Lift Height

15.9 in

Cab

Dynamic Operator Sound Pressure Level (ISO 6396:2008)

81 dB(A)

Exterior Sound Power Level - ISO 6395:2008*

96 dB(A)

Dimensions - Long Stick

Dig Depth

144 in

Boom Swing - Right

31 in

Vertical Wall

104 in

Swing Bearing - Height

24 in

Maximum Blade Height

16 in

O/A Track Width

78 in

Boom Swing - Left

27 in

Maximum Dig Height

214 in

Maximum Reach

235 in

O/A Shipping Height

100 in

Maximum Blade Depth

22 in

O/A Undercarriage Length

102 in

Track Belt/Shoe Width

16 in

Boom Height - Shipping Position

85 in

Maximum Dump Clearance

154 in

Tail Swing

43 in

Maximum Reach - Ground Level

229 in

Boom In Reach

100 in

O/A Shipping Length

208 in

Dimensions - Standard Stick

O/A Shipping Height

100 in

Dig Depth

129 in

Boom Swing - Right

31 in

Maximum Blade Height

16 in

Maximum Reach - Ground Level

210 in

Maximum Dig Height

207 in

Boom Swing - Left

27 in

Maximum Blade Depth

22 in

Track Belt/Shoe Width

16 in

O/A Track Width

78 in

Maximum Reach

220 in

O/A Undercarriage Length

102 in

O/A Shipping Length

204 in

Swing Bearing - Height

24 in

Tail Swing

43 in

Maximum Dump Clearance

129 in

Boom In Reach

93 in

Vertical Wall

91 in

Boom Height - Shipping Position

69 in

Engine

Net Power

40.2 HP

Engine Model

Cat C2.4

Bore

3.4 in

Stroke

4 in

Displacement

146 in³

Net Power - 2,200 rpm - ISO 9249/EEC 80/1269

40.2 HP

Note

The Cat C2.4 meets U.S. EPA Tier 4 Final emission standards for North America, EU Stage V emission standards for Europe and Tier 4 Interim emission standards for all other regions.

Gross Power - ISO 14396

41.8 HP

Hydraulic System

Maximum Auxiliary Circuit - Secondary - Flow at Pump

6.6 gal/min

Maximum Auxiliary Circuit - Primary - Flow at Pump

21.1 gal/min

Pump Flow at 2,400 rpm

39.6 gal/min

Digging Force - Stick - Long

4,788 lb

Note

Flow and pressure are not combinable. Under load, as flow rises pressure goes down.

Operating Pressure - Travel

3,553 psi

Operating Pressure - Swing

3,132 psi

Maximum Auxiliary Circuit - Secondary - Pressure at Pump

3,553 psi

Maximum Auxiliary Circuit - Primary - Pressure at Pump

3,553 psi

Operating Pressure - Equipment

3,553 psi

Digging Force - Stick - Standard

5,550 lb

Digging Force - Bucket

10,050 lb

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

Blade Up - Front

3,197 lb

Blade Up - Side

2,359 in

Blade Down - Side

2,646 in

Blade Down - Front

5,159 lb

Lift Capacities at Ground Level - Lift Point Radius: 4000 mm (13'1”)

Blade Up - Side

1,257 lb

Blade Down - Side

1,411 lb

Blade Up - Front

1,676 lb

Blade Down - Front

2,778 lb

Operating Specifications

Stick Length - Long

67 in

Stick Length - Standard

52 in

Service Refill Capacities

Cooling System

2.8 gal (US)

Engine Oil

2.5 gal (US)

Hydraulic Tank

18 gal (US)

Fuel Tank

16.6 gal (US)

Hydraulic System

20.6 gal (US)

Swing System

Machine Swing Speed

10 r/min

Travel System

Travel Speed - Low

1.7 mile/h

Travel Speed - High

2.7 mile/h

Maximum Traction Force - High Speed

5,418 lb

Maximum Traction Force - Low Speed

10,161 lb

Ground Pressure - Cab

4.4 psi

Ground Pressure - Canopy

4.3 psi

Weights*

Operating Weight

11,443 lb

Weight - Canopy, Standard Stick

10,970 lb

Weight - Canopy, Long Stick

11,069 lb

Weight - Cab, Long Stick

11,443 lb

Weight - Cab, Standard Stick

11,334 lb

STANDARD EQUIPMENT

ENGINE
- Cat C2.4 diesel engine (meets U.S. EPA Tier 4 Final emission standards for North America, EU Stage V emission standards for Europe and 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