305E2 CR Mini Hydraulic Excavator
Overview
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.
Engine
+
-
| Net Power |
40.2HP |
| Engine Model |
Cat C2.4 |
| Gross Power - ISO 14396 |
41.8HP |
| Stroke |
4in |
| Displacement |
146in³ |
| Bore |
3.4in |
| 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 |
40.2HP |
Weights*
+
-
| Operating Weight |
11443lb |
| Weight - Cab, Standard Stick |
11334lb |
| Weight - Cab, Long Stick |
11443lb |
| Weight - Canopy, Long Stick |
11069lb |
| Weight - Canopy, Standard Stick |
10970lb |
Dimensions - Long Stick
+
-
| Dig Depth |
144in |
| Vertical Wall |
104in |
| Track Belt/Shoe Width |
16in |
| Tail Swing |
43in |
| Swing Bearing - Height |
24in |
| Maximum Reach - Ground Level |
229in |
| Maximum Reach |
235in |
| Maximum Dump Clearance |
154in |
| Maximum Dig Height |
214in |
| Maximum Blade Height |
16in |
| Maximum Blade Depth |
22in |
| Boom Swing - Right |
31in |
| Boom Swing - Left |
27in |
| Boom In Reach |
100in |
| O/A Undercarriage Length |
102in |
| O/A Track Width |
78in |
| O/A Shipping Length |
208in |
| O/A Shipping Height |
100in |
| Boom Height - Shipping Position |
85in |
Swing System
+
-
| Machine Swing Speed |
10r/min |
Blade
+
-
| Width |
78in |
| Height |
14.8in |
| Dig Depth |
21.9in |
| Lift Height |
15.9in |
Service Refill Capacities
+
-
| Cooling System |
2.8gal (US) |
| Engine Oil |
2.5gal (US) |
| Hydraulic Tank |
18gal (US) |
| Fuel Tank |
16.6gal (US) |
| Hydraulic System |
20.6gal (US) |
Hydraulic System
+
-
| Digging Force - Bucket |
10050lb |
| Operating Pressure - Equipment |
3553psi |
| Digging Force - Stick - Standard |
5550lb |
| Digging Force - Stick - Long |
4788lb |
| Pump Flow at 2,400 rpm |
39.6gal/min |
| Operating Pressure - Travel |
3553psi |
| Operating Pressure - Swing |
3132psi |
| Note |
Flow and pressure are not combinable. Under load, as flow rises pressure goes down. |
| Maximum Auxiliary Circuit - Secondary - Flow at Pump |
6.6gal/min |
| Maximum Auxiliary Circuit - Primary - Flow at Pump |
21.1gal/min |
| Maximum Auxiliary Circuit - Secondary - Pressure at Pump |
3553psi |
| Maximum Auxiliary Circuit - Primary - Pressure at Pump |
3553psi |
Dimensions - Standard Stick
+
-
| Vertical Wall |
91in |
| Track Belt/Shoe Width |
16in |
| O/A Shipping Length |
204in |
| O/A Shipping Height |
100in |
| Maximum Reach - Ground Level |
210in |
| Maximum Reach |
220in |
| Maximum Dump Clearance |
129in |
| Maximum Dig Height |
207in |
| Maximum Blade Height |
16in |
| Boom Swing - Left |
27in |
| Boom In Reach |
93in |
| Boom Height - Shipping Position |
69in |
| Tail Swing |
43in |
| Swing Bearing - Height |
24in |
| O/A Undercarriage Length |
102in |
| Maximum Blade Depth |
22in |
| Dig Depth |
129in |
| Boom Swing - Right |
31in |
| O/A Track Width |
78in |
Cab
+
-
| Exterior Sound Power Level - ISO 6395:2008* |
96dB(A) |
| Dynamic Operator Sound Pressure Level (ISO 6396:2008) |
81dB(A) |
Travel System
+
-
| Travel Speed - Low |
1.7mile/h |
| Travel Speed - High |
2.7mile/h |
| Ground Pressure - Canopy |
4.3psi |
| Ground Pressure - Cab |
4.4psi |
| Maximum Traction Force - Low Speed |
10161lb |
| Maximum Traction Force - High Speed |
5418lb |
Operating Specifications
+
-
| Stick Length - Long |
67in |
| Stick Length - Standard |
52in |
Lift Capacities at Ground Level - Lift Point Radius: 4000 mm (13'1”)
+
-
| Blade Up - Side |
1257lb |
| Blade Up - Front |
1676lb |
| Blade Down - Side |
1411lb |
| Blade Down - Front |
2778lb |
Lift Capacities at Ground Level - Lift Point Radius: 3000 mm (9'8”)
+
-
| Blade Up - Side |
2359in |
| Blade Up - Front |
3197lb |
| Blade Down - Side |
2646in |
| Blade Down - Front |
5159lb |
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
-
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)
Optional Equipment:
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
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
