Testimonial


Established in 1997, Sunmaju Sdn Bhd is one of Malaysia’s biggest commercial fuels resellers. It operates a fleet of 70 trucks that transports commercial diesel to a diverse clientele in construction, fishery, infrastructure, mining and other heavy industries.

FREQUENT CHALLENGES

Frequent Truck Breakdowns
High mileage fleet clocked up to 6 million kilometres a
year and operated in harsh conditions
High Levels of Black Smoke Emissions2
Trucks were failing PUSPAKOM vehicle inspections and
regularly summoned by the Road Transport Department (JPJ)
Mounting Maintenance Costs
Dirty fuel injectors and failed fuel pumps needed
frequent replacement or repair
Disruptions to Delivery Schedules
Breakdowns and inspection failures caused
unplanned downtime
THE MAIN CAUSE
Regular diesel used by the trucks was causing severe corrosion and carbon deposit build-ups around the nozzles and putting great stress on the fuel pumps. This resulted in engines misfiring or stalling.


A CLEAN SOLUTION

Shell Commercial Fuels experts recommended Shell FuelSave Diesel (SFSD) with DYNAFLEX Technology1. Its exclusive dual detergent formulation can effectively clean up injector deposits and help prevent further build-ups. It is also suitable for both newer and older machineries. 

WHAT GOES INTO THE ENGINE MATTERS

In 2017, Sunmaju began a 10-month on-road trial of Shell FuelSave Diesel that featured three of its Volvo FL10 trucks
 
TRUCK A B C
Vehicle Model Volvo FL10
Volvo FL10
Euro II engine
Volvo FL10,
with new fuel injector
Euro Engine Model II II V
Vehicles Age (Years) 22 22 9
Fuel Type Regular diesel
Switched to SFSD
since 2017
SFSD after
injector replacement
Trial Results
Severe corrosion and carbon
deposits especially around the
fuel nozzles.
Less corrosion and carbon
deposits, partially clean
nozzles.
SFSD prevented corrosion.
No signs of corrosion and less
carbon deposits, clean nozzles.
 
THE SHELL FUELSAVE DIESEL DIFFERENCE

In 2018, based on clear evidence from the trial, the Sunmaju management team decided to power its entire fleet of trucks with Shell FuelSave Diesel instead of regular diesel. 

Since the switch, Sunmaju has achieved significant cost savings3 from fewer breakdowns, reduced maintenance and higher operating efficiency. In 2020, not a single breakdown from 
fuel injector or fuel pump issues was recorded. 


Maintenance Costs Related to Fuel Injector & Fuel Pump



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