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305E2 CR Mini Hydraulic Excavator 168974

Discontinued

305E2 CR Mini Hydraulic Excavator
168974 305E2 CR Mini Hydraulic Excavator

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.

CAT
Excavators
Price: Request a Quote

This model is no longer in production and is unavailable for purchase. It has been replaced by an upgraded version, which you can view here.

View new model

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.

Net Power
40.2 hp
Operating Weight
11,443 lb
Dig Depth
144 in
Engine Model
Cat C2.4
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Engine

Net Power
40.2 hp
Engine Model
Cat C2.4
Bore
3.4 in
Stroke
4 in
Displacement
146 in³
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.
Net Power - 2,200 rpm - ISO 9249/EEC 80/1269
40.2 hp
Gross Power - ISO 14396
41.8 hp

Weights*

Operating Weight
11,443 lb
Weight - Canopy, Long Stick
11,069 lb
Weight - Cab, Long Stick
11,443 lb
Weight - Cab, Standard Stick
11,334 lb
Weight - Canopy, Standard Stick
10,970 lb

Dimensions - Long Stick

Dig Depth
144 in
O/A Shipping Height
100 in
O/A Undercarriage Length
102 in
Maximum Reach
235 in
Swing Bearing - Height
24 in
Maximum Blade Height
16 in
Maximum Dig Height
214 in
Vertical Wall
104 in
Boom In Reach
100 in
Track Belt/Shoe Width
16 in
Maximum Blade Depth
22 in
Boom Swing - Right
31 in
Maximum Dump Clearance
154 in
O/A Track Width
78 in
O/A Shipping Length
208 in
Maximum Reach - Ground Level
229 in
Tail Swing
43 in
Boom Swing - Left
27 in
Boom Height - Shipping Position
85 in

Swing System

Machine Swing Speed
10 r/min

Blade

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

Dimensions - Standard Stick

O/A Undercarriage Length
102 in
Maximum Dig Height
207 in
O/A Shipping Length
204 in
Maximum Reach
220 in
Track Belt/Shoe Width
16 in
Maximum Blade Height
16 in
O/A Track Width
78 in
Maximum Dump Clearance
129 in
Vertical Wall
91 in
O/A Shipping Height
100 in
Boom In Reach
93 in
Maximum Reach - Ground Level
210 in
Dig Depth
129 in
Swing Bearing - Height
24 in
Boom Height - Shipping Position
69 in
Boom Swing - Right
31 in
Maximum Blade Depth
22 in
Boom Swing - Left
27 in
Tail Swing
43 in

Travel System

Ground Pressure - Cab
4.4 psi
Ground Pressure - Canopy
4.3 psi
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

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

Blade Up - Side
1,257 lb
Blade Up - Front
1,676 lb
Blade Down - Front
2,778 lb
Blade Down - Side
1,411 lb

Cab

Dynamic Operator Sound Pressure Level (ISO 6396:2008)
81 dB(A)
Exterior Sound Power Level - ISO 6395:2008*
96 dB(A)

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

Blade Down - Side
2,646 in
Blade Up - Front
3,197 lb
Blade Down - Front
5,159 lb
Blade Up - Side
2,359 in

Operating Specifications

Stick Length - Standard
52 in
Stick Length - Long
67 in

Hydraulic System

Maximum Auxiliary Circuit - Primary - Flow at Pump
21.1 gal/min
Maximum Auxiliary Circuit - Secondary - Flow at Pump
6.6 gal/min
Digging Force - Stick - Long
4,788 lb
Pump Flow at 2,400 rpm
39.6 gal/min
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
Operating Pressure - Equipment
3,553 psi
Digging Force - Stick - Standard
5,550 lb
Maximum Auxiliary Circuit - Secondary - Pressure at Pump
3,553 psi
Digging Force - Bucket
10,050 lb
Maximum Auxiliary Circuit - Primary - Pressure at Pump
3,553 psi

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
Get a free quote

Specifications

Engine

Net Power
40.2 hp
Engine Model
Cat C2.4
Bore
3.4 in
Stroke
4 in
Displacement
146 in³
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.
Net Power - 2,200 rpm - ISO 9249/EEC 80/1269
40.2 hp
Gross Power - ISO 14396
41.8 hp

Weights*

Operating Weight
11,443 lb
Weight - Canopy, Long Stick
11,069 lb
Weight - Cab, Long Stick
11,443 lb
Weight - Cab, Standard Stick
11,334 lb
Weight - Canopy, Standard Stick
10,970 lb

Dimensions - Long Stick

Dig Depth
144 in
O/A Shipping Height
100 in
O/A Undercarriage Length
102 in
Maximum Reach
235 in
Swing Bearing - Height
24 in
Maximum Blade Height
16 in
Maximum Dig Height
214 in
Vertical Wall
104 in
Boom In Reach
100 in
Track Belt/Shoe Width
16 in
Maximum Blade Depth
22 in
Boom Swing - Right
31 in
Maximum Dump Clearance
154 in
O/A Track Width
78 in
O/A Shipping Length
208 in
Maximum Reach - Ground Level
229 in
Tail Swing
43 in
Boom Swing - Left
27 in
Boom Height - Shipping Position
85 in

Swing System

Machine Swing Speed
10 r/min

Blade

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

Dimensions - Standard Stick

O/A Undercarriage Length
102 in
Maximum Dig Height
207 in
O/A Shipping Length
204 in
Maximum Reach
220 in
Track Belt/Shoe Width
16 in
Maximum Blade Height
16 in
O/A Track Width
78 in
Maximum Dump Clearance
129 in
Vertical Wall
91 in
O/A Shipping Height
100 in
Boom In Reach
93 in
Maximum Reach - Ground Level
210 in
Dig Depth
129 in
Swing Bearing - Height
24 in
Boom Height - Shipping Position
69 in
Boom Swing - Right
31 in
Maximum Blade Depth
22 in
Boom Swing - Left
27 in
Tail Swing
43 in

Travel System

Ground Pressure - Cab
4.4 psi
Ground Pressure - Canopy
4.3 psi
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

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

Blade Up - Side
1,257 lb
Blade Up - Front
1,676 lb
Blade Down - Front
2,778 lb
Blade Down - Side
1,411 lb

Cab

Dynamic Operator Sound Pressure Level (ISO 6396:2008)
81 dB(A)
Exterior Sound Power Level - ISO 6395:2008*
96 dB(A)

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

Blade Down - Side
2,646 in
Blade Up - Front
3,197 lb
Blade Down - Front
5,159 lb
Blade Up - Side
2,359 in

Operating Specifications

Stick Length - Standard
52 in
Stick Length - Long
67 in

Hydraulic System

Maximum Auxiliary Circuit - Primary - Flow at Pump
21.1 gal/min
Maximum Auxiliary Circuit - Secondary - Flow at Pump
6.6 gal/min
Digging Force - Stick - Long
4,788 lb
Pump Flow at 2,400 rpm
39.6 gal/min
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
Operating Pressure - Equipment
3,553 psi
Digging Force - Stick - Standard
5,550 lb
Maximum Auxiliary Circuit - Secondary - Pressure at Pump
3,553 psi
Digging Force - Bucket
10,050 lb
Maximum Auxiliary Circuit - Primary - Pressure at Pump
3,553 psi
Get a free quote
Get a free quote

Standard/Optional Features

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
Get a free quote

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