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Motor
Oil Test & Comparison - The Most Comprehensive Test Results
Ever Published by AMSOIL
AMSOIL Series 3000 Synthetic
5W-30 Heavy Duty Diesel Oil Is Correct Choice For Jeff Foster
Trucking
 With
the help of Jeff Foster Trucking Inc. of Superior, WI, AMSOIL
put its Series
3000 Synthetic 5W-30 Heavy Duty Diesel Oil (HDD), as well
as its Dual-Gard
filtration system, to the test.
Ten 1996 Kenworth Class 8 tractors
used as interstate freight hauling vehicles and equipped with
Cummins N-14 ESP3 diesel engines participated in the demonstration.
Five trucks equipped with AMSOIL
Series 3000 Synthetic 5W-30 Heavy Duty Diesel Oil, AMSOIL
BMK-12 Filter mounts and BE-110 By-Pass filtration elements
utilized 120,000-mile oil drain intervals,20,000-mile full-
flow oil filter change intervals and 40,000-mile By-Pass filter
change intervals, while the other five trucks continued using
petroleum motor oil, utilizing 20,000-mile oil and filter
drain intervals.
The 10 Jeff Foster Trucking
vehicles were identical in the following areas:
1. Vehicle manufacturer,
model and model year
2. Engine model, displacement and year
3. Transmission and differential manufacturer and model
4. Tires (brand and design)
5. Mileage (10,000-mile minimum;25,000-mile maximum)
The objective of the field demonstration
was to prove that using AMSOIL
Series 3000 Synthetic 5W-30 Heavy Duty Diesel Oil, together
with the AMSOIL
Dual-Gard filtration system, would result in a reduction
in operating expenses when compared to the use of conventional
petroleum lubricants and filtration methods. Verification
will be demonstrated through increased fuel economy, extended
drain intervals, reduced oil consumption and reduced maintenance.
Both the AMSOIL motor oil and
the petroleum product were sampled and tested at 20,000-mile
intervals in the areas of elemental analysis (including wear
metals, contaminates and additives), physical properties (including
viscosity, total acid number and total base number) and contamination
(including water, solids, glycol, oxidation, fuel soot and
fuel dilution). Oil condemnation limits vary due to individual
engine idiosyncrasies, operating conditions and time the fluid
has been in service.
The total mileage in this demonstration
exceeded 2,548,580 miles, with the average over-the-road mileage
for each demonstration vehicle exceeding 217,527 miles. Even
while making use of extended drain intervals, the protection
and fuel economy advantages of AMSOIL Series 3000 Synthetic
5W-30 Heavy Duty Diesel Oil met or exceeded that offered by
the petroleum products utilizing conventional 20,000-mile
fluid and filter change intervals. Furthermore, Jeff Foster
Trucking saves $61.90 in lubrication costs per vehicle by
using AMSOIL products. Calculated to cover the entire Jeff
Foster fleet of 200 vehicles, that ’s a savings of $12,380.
The chart below demonstrates
the fuel economy benefits of the AMSOIL products. Overall,
AMSOIL provided a 3.065 percent increase in fuel economy.
For every 240,000 miles a single Jeff Foster truck travels,
it saves $1443 in fuel costs by using AMSOIL products. Calculated
to cover the entire fleet, that’s a savings of $288,600
at an average diesel fuel cost of $1.30/gal. Jeff Foster Trucking
currently uses AMSOIL Diesel Oil in its entire fleet of 200
trucks.
JEFF FOSTER TRUCKING INC./AMSOIL
INC.
Fuel Economy |
|
Control
Group Monthly Average
(Petroleum) |
Test
Group Monthly Average
(AMSOIL) |
| September |
6.595 mpg |
September |
7.175 mpg |
| October |
6.708 |
October |
6.7975 |
| November |
6.63 |
November |
6.9446 |
| December |
6.3633 |
December |
6.2 |
| January |
6.23 |
January |
6.245 |
| February |
6.034 |
February |
6.378 |
| Average for the
six month period: |
| Petroleum 6.4267
mpg |
AMSOIL 6.6237 mpg |
Overall, the demonstration was
quite successful. The chart below demonstrates the group averages
related to the conditions of both the petroleum product and
the AMSOIL Series 3000 Synthetic 5W-30 Heavy Duty Diesel Oil.
|
Miles
on Oil |
Iron
(Fe)
(PPM per mile) |
Lead
(Pb)
(PPM per mile) |
Soot
(% per mile) |
| |
Petroleum |
AMSOIL |
Petroleum |
AMSOIL |
Petroleum |
AMSOIL |
| 20,000 |
0.001672 |
0.001255 |
0.000875 |
0.000752 |
0.0000204 |
0.000008 |
| 40,000 |
0.001420 |
0.001362 |
0.000426 |
0.000732 |
0.0000167 |
0.000010 |
| 60,000 |
0.000911 |
0.001599 |
0.000398 |
0.001153 |
0.0000197 |
0.000014 |
| 80,000 |
0.000809 |
0.001222 |
0.000818 |
0.000766 |
0.0000031 |
0.000015 |
| 100,000 |
0.001151 |
0.001064 |
0.001738 |
0.000737 |
0.0000264 |
0.000013 |
| 120,000 |
0.001001 |
0.000927 |
0.001176 |
0.006310 |
0.0000223 |
0.000012 |
| 140,000 |
0.000921 |
0.001135 |
0.001191 |
0.001094 |
0.0000315 |
0.000025 |
| 160,000 |
0.000886 |
0.001032 |
0.001165 |
0.001151 |
0.0000300 |
0.000018 |
| 180,000 |
0.001246 |
0.000938 |
0.009280 |
0.000759 |
0.0000313 |
0.000016 |
| 200,000 |
0.001079 |
0.001039 |
0.000755 |
0.000891 |
0.0000306 |
0.000016 |
| 220,000 |
0.000937 |
0.000656 |
0.001236 |
0.000777 |
0.0000219 |
0.000012 |
| 240,000 |
0.001677 |
0.000687 |
0.000864 |
0.000609 |
0.0000199 |
0.000010 |
| *PPM = Part Per Million |
|
Miles
on Oil |
TBN |
Viscosity
(VIS. cSt @ 100° C) |
| |
Petroleum |
AMSOIL |
Petroleum |
AMSOIL |
| 20,000 |
4.41 |
8.92 |
12.62 |
10.87 |
| 40,000 |
4.42 |
8.45 |
14.08 |
11.22 |
| 60,000 |
4.63 |
8.22 |
14.49 |
11.03 |
| 80,000 |
4.52 |
8.36 |
13.17 |
11.12 |
| 100,000 |
4.36 |
6.90 |
13.09 |
11.31 |
| 120,000 |
4.21 |
7.24 |
13.61 |
11.49 |
| 140,000 |
3.87 |
8.80 |
13.90 |
11.10 |
| 160,000 |
4.81 |
7.97 |
13.40 |
11.03 |
| 180,000 |
5.02 |
7.34 |
14.01 |
12.17 |
| 200,000 |
4.72 |
5.71 |
14.04 |
11.39 |
| 220,000 |
5.37 |
5.54 |
13.73 |
11.24 |
| 240,000 |
5.63 |
6.05 |
13.90 |
11.56 |
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