Production (index)
Active mode
PC400-6
Active mode
PC400-7
100
108
Fuel consumption (index)
Active mode
PC400-6
Active mode
PC400-7
100
90
Fuel efficiency (index)
Active mode
PC400-6
Active mode
PC400-7
100
120
8%
better
(Comparison with current model)
Production (index)
Active mode
PC400-6
Economy mode
PC400-7
100
Fuel consumption (index)
Active mode
PC400-6
Economy mode
PC400-7
100
81
Fuel efficiency (index)
Active mode
PC400-6
Economy mode
PC400-7
100
120
(Comparison with current model)
Low fuel consumption
10%
better
20%
better
19%
better
20%
better
97
Improved lateral stability is achieved by increasing the
counterweight (
330kg
730lb) and improving the balance of the
machine body.
Lateral Stability
PC400 - PC400LC
Large Lifting Capacity
PC400-7’s improved lateral stability increases lifting capacity.
Variable Track Gauge (optional)
●
Lateral stability is significantly improved when
operating with the gauge extended.
●
Lateral stability is increased by 30% (compared with
the fixed gauge of the current model).
●
Complies with transportation regulations by retracting
the gauge.
5
High production and low fuel consumption are
achieved through the following two operation
modes:
Active mode, with maximum engine output to handle large
production, while keeping fuel consumption low; and Eco
mode for light duty applications, which enables operation
at a speed comparable to Active mode with even lower fuel
consumption. The two modes, Active mode for handling
“large production” and Eco mode for “low fuel consumption”
have been significantly improved.
ACTIVE MODE
This mode handles large production by providing powerful
and speedy operation, and achieves economical efficiency by
substantial reduction of fuel consumption.
ECONOMY MODE
Operation speed equal to that of the Active mode can be
achieved when handling light duty operation while also
keeping fuel consumption low.
Electronically Controlled High Power Engine Installed
A 246kW (330HP) Komatsu SAA6D125E engine, is the
largest in its class.
High power and low fuel consumption are achieved by
optimizing fuel injection via electronic control.
Maximum Digging Force among the 40-ton Class
With the addition of a one-touch power max. function
(operation time of 8.5 seconds), the digging force has been
further increased.
Maximum arm crowd force (ISO):
198 kN (20.2t)
214 kN (21.8t)
Maximum bucket digging force (ISO):
252 kN (25.7t)
275 kN (28.0t)
High Production and Low
Fuel Consumption
4
Substantially Improved
Stability
Smooth Loading Operation
Two return hoses
Two return hoses improve hydraulic
performance. In the arm out
function, a portion of the oil is
efficiently returned to the tank.
P
RODUCTIVITY
F
EATURES
H
Y D R A U L I C
E
X C A V A T O R
HYDRAULIC EXCAVATOR
PC400-7
PC400-7
Two Boom Settings
Smooth mode provides easy operation for gathering blasted
rock or scraping down operation. When maximum digging
force is needed, switch to Power mode for more effective
excavating.
better*
15%
Reduced Revolving Frame Damage
Damage to the revolving frame when going over rocks is
reduced by increasing the clearance between the revolving
frame and track.
*
(comparison with current model)
*
(comparison with current model)
(with Power Max.)
(with Power Max.)
better*
8%
better*
9%
clearance:
approx. 200mm (7.9")
30% increased
Boom floats upward, reducing
lifting of machine front. This
facilitates gathering blasted
rock and scraping down
operations.
Boom pushing force is
increased, ditch digging and
box digging operation on hard
ground are improved.
Power mode
Smooth mode
