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New cab design for

305.5E2 and 305E2

models

Caterpillar has introduced a new series to its

compact radius mini hydraulic excavators. The

305E2, 305.5E2 and 308E2 are direct replacement

for existing E series models

The E2 models retain many of the features of

their predecessor, while introducing new technol-

ogy and refinements to the benefit of the custom-

er. For example, the new ‘High Definition Hydrau-

lic’ (HDH) System provides a load sensing and flow

sharing capability enabling greater precision, im-

proved performance and greater controllability.

The 305.5E2 and 305E2 include a redesigned op-

erator station. This update includes a wider open-

ing, a higher quality suspension seat, easy to adjust

arm rests and an overall improved ergonomic lay-

out for operator comfort and productivity.

There is also a new interlocking front window

system, updated opera-

tor interface controls

and 100% pilot controls.

The E2 series mod-

els are equipped with

the digital control pan-

el specially designed

for Cat Mini Excavators which goes under the ac-

ronym COMPASS standing for Complete Operation,

Maintenance, Performance, and Security System.

Built into the monitor are an anti-theft system,

which requires a five-digit alphanumeric password

to start the machine, an automatic engine-idle se-

lection, which drops engine rpm to idle after 4 sec-

onds of inactivity and an adjustable auxiliary-flow

control for work tools.

Both main-line and optional secondary auxiliary-

hydraulic systems can be adjusted on a scale of 1-15

through the monitor for added control.

Retained features include automatic two-speed,

100% pilot controls, excellent bucket rotation, blade

float and safety.

Additionally, the blade float function allows the

operator to drag the blade backwards (away from

the cutting edge side) and the blade will “float”

along the contour of the ground with only the

weight of the blade bearing down to smooth the

site after grading and backfilling holes leading to

ease of operation and productivity.

A three models are ROPS, TOPS and Top Guard

Level 1 certified; include the Cat Interlock (hydrau-

lic lockout) System; a certified accumulator which

allows for auxiliary pressure to be released, making

connecting and disconnecting work tools safer and

easier; and a travel alarm.

Caterpillar

Upgrade to Cat

E Series Mini

Excavators

SPECIFICATION

305E2 CR 305.5E2 CR 308E2

Engine Model

Cat C2.4

Cat C2.4

Cat C3.3B

Rated Net Power, kW

30.0

32.9

48.5

Operating Weight, Canopy, kg

5 020

5 259

N/A

Operating Weight, Cab, kg

5 185

5 423

8 400

Digging Force – Bucket, kN

44.7

50.9

60.2

Dig Depth, mm

3 280

3 470

4 690

Maximum Reach, mm

5 600

5 790

6 990

Page 26

Contractors World UK & Ireland Vol 4 No 4

What’s New - Plant & Equipment