Special Story 1
Helping Mitigate JAPAN JAPAN
Climate Change Tokichiro Yamaguchi Haruo Asada
Through Komatsu
Chairman President
Fuji Corporation Asadagumi Co. Ltd.
When the PC200 hybrid was introduced, a The hybrid equipment at the Shikoku Express-
customer who operates a Fuji type final dis- way improvement worksite operates about 8
posal site amidst prime agricultural land in hours a day, consuming 11 liters of fuel per hour.
the city of Komoro in Nagano Prefecture That is almost 40% less than our previous ma-
commented: “It didn’t take me long to de- chines (from other makers). (Machines from
cide to purchase one. Using environment- other makers had to be refueled every day,
friendly construction equipment is a matter while hybrid equipment was filled up only once
of common sense for us. We, in the waste every 2 to 3 days.) The quiet engine gave me a
PC200-8 treatment business, consider this to be our
duty.”
strange feeling at first, but I soon got used to it.
When we bought the equipment, I was
Hybrid He also strongly advocated the benefits
to the environment deriving from the use of
thinking about running costs (reduced fuel
consumption), but I also made the choice in
hybrid equipment: “Our fuel consumption the hope that we could reduce the burden
has dropped dramatically, that’s a fact. But on the environment, even if just a little.
much more important is that we were able Though we are working with large ma-
to achieve a dramatic reduction in CO 2 chinery, we are trying to harmonize with the
Customer Opinions emissions.”
■PC200-8E*
Effect of fuel consumption : ▲ 37%
Earth and the environment, without causing
a major impact on the surroundings. That’s
why I am hoping that hybrid will come into
greater use.
Fuel consumption per hour: 9.5 l/h
Period: Sep. 2009 – Mar. 2010 ■PC200-8E*
Number of hours of operation: 514 h Effect of fuel consumption : ▲ 39%
Komatsu led the world in initiating
■Fuel consumption of previous machines (PC200LC-8N1): 15.0 l/h Fuel consumption per hour: 11.0 l/h
domestic sale of hybrid construc- Period: Aug. 2009 – Mar. 2010
tion vehicles in 2008. Sales to cus- Number of hours of operation: 683 h
tomers in China, the U.S.A. and * PC200-8E Hybrid
■Fuel consumption of previous machines (other makers): 18.0 l/h
other countries started in 2009. (Operating 19 manufactured by other makers)
We collected the opinions of
our PC200-8 hybrid hydraulic
excavator users and pres-
ent them here in this Spe-
cial Story.
Performance Values for the PC200-8 Hybrid Hydraulic Excavator Obtained through User Tests
(%)
100%
100 30 to 40% reduction
Efficiency Comparison 80
70% 69%
59%
of the PC200-8 Hybrid 60
40
Hydraulic Excavator
20
0
PC200-8 A Company B Company C Company
Standard Model Waste soil Civil engineering Sludge disposal
5
JAPAN CHINA CHINA
Site: Fogang, Qingyuan, Site: Fogang, Qing yuan,
Toshiyasu Taniguchi Guangdong Province, China Guangdong Province, China
President Li Yang Ming Huang Rong Ha
Operation site: G round leveling work for a Operation site: R ed soil excavation and
Toshima Co. Ltd. restaurant, and workor a resort transportation of rocks for
villa land development project. construction of stone walls
Delivery date: April 1 2010 Delivery date: April 9 2010
For us, fuel-efficiency is the most important Purchase trigger Purchase trigger
Activities
Environmental
criterion when choosing the type of equip- After an introduction from a sales represen- There was an introduction by a sales repre-
ment, because our construction equipment tative, I saw the actual equipment at an ex- sentative, but the purchase was triggered
is operating from morning to evening. That’s hibition. by a recommendation from a friend in the
why we selected hybrid equipment. Important performance features that influ- same line of business (who owns five Ko-
Because of the need for long hours of enced the purchase decision matsu machines, but no hybrid machines).
operation, the PC200 hybrid hydraulic exca- Fuel efficiency, fuel input/power output ratio, Important performance features that influ-
vator was the best choice for us. The equip- and environmental protection enced the purchase decision
ment causes less physical strain when we Does the performance meet your expecta- Fuel consumption and ease of operation
operate it, because the engine runs much tions? Does the performance meet your expecta-
more quietly than the engine on convention- Yes, so far it does. tions?
al machines. Once you get used to the Other comments I am satisfied with the fuel consumption.
power output, there is no problem. Up to now, I have operated a new 13-ton But, I have been using the machine for only
Though addressing environmental prob- class hydraulic excavator and a used 12-ton three days, so I can’t say much yet.
lems is taken for granted in any kind of busi- class hydraulic excavator. This time I was Other comments
ness activity, concrete environmental mea- looking at a 20-ton class excavator and I tried out two used 12-ton class hydraulic
sures have not yet taken root at construction compared the PC 200-8 standard and hy- excavators and was very satisfied with the
sites. I hope that this problem will be over- brid machines. I ended up buying the PC performance of the Japan-made construc-
come using hybrid construction equipment. 200-8 hybrid, because I thought the fuel tion machine by Komatsu (especially regard-
consumption is quite low and it has high re- ing durability). This time I decided to buy
■PC200-8E*（First model for operation）
liability. something in a completely different class,
Effect of fuel consumption : ▲ 35%
namely a hybrid machine, which was also
Fuel consumption per hour: 10.8 l/h
recommended by a friend.
Period: Apr. 2009 – Mar. 2010
Number of hours of operation: 1,990 h
■PC200-8E*（Second model for operation）
Effect of fuel consumption : ▲ 40%
Fuel consumption per hour: 10.0 l/h
Period: Apr. 2009 – Mar. 2010
Number of hours of operation: 1,242 h
■Fuel consumption of previous machines (PC200-8N1): 16.6 l/h
Operating Work Equipment + Starting Swing Operating Work Equipment + Slowing Swing
Engine-driven
Electric-driven
Energy regeneration
