305E2 CR Mini Hydraulic Excavator

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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
40.2 HP
Engine Model
Cat C2.4
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
Displacement
146 in³
Bore
3.4 in
Stroke
4 in

Weights*

Operating Weight
11443 lb
Weight - Cab, Standard Stick
11334 lb
Weight - Canopy, Long Stick
11069 lb
Weight - Cab, Long Stick
11443 lb
Weight - Canopy, Standard Stick
10970 lb

Dimensions - Long Stick

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

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

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

Blade Up - Front
1676 lb
Blade Up - Side
1257 lb
Blade Down - Front
2778 lb
Blade Down - Side
1411 lb

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

Blade Up - Front
3197 lb
Blade Down - Front
5159 lb
Blade Down - Side
2646 in
Blade Up - Side
2359 in

Operating Specifications

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

Travel System

Ground Pressure - Canopy
4.3 psi
Ground Pressure - Cab
4.4 psi
Maximum Traction Force - Low Speed
10161 lb
Maximum Traction Force - High Speed
5418 lb
Travel Speed - High
2.7 mile/h
Travel Speed - Low
1.7 mile/h

Cab

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

Hydraulic System

Digging Force - Bucket
10050 lb
Maximum Auxiliary Circuit - Primary - Pressure at Pump
3553 psi
Maximum Auxiliary Circuit - Secondary - Pressure at Pump
3553 psi
Maximum Auxiliary Circuit - Primary - Flow at Pump
21.1 gal/min
Note
Flow and pressure are not combinable. Under load, as flow rises pressure goes down.
Digging Force - Stick - Standard
5550 lb
Operating Pressure - Equipment
3553 psi
Operating Pressure - Swing
3132 psi
Operating Pressure - Travel
3553 psi
Digging Force - Stick - Long
4788 lb
Maximum Auxiliary Circuit - Secondary - Flow at Pump
6.6 gal/min
Pump Flow at 2,400 rpm
39.6 gal/min