Urfer Trucking changes oil in their trucks every 60,000 miles. This million mile diesel engine teardown features a 550 horsepower C-15 Caterpillar diesel engine with 1,055,000 miles and all original parts. Schaeffer's Supreme 7000® diesel oil was the only oil used.
The cleanliness and minimal wear on this engine is a great example of the high-quality base oil and detergency of Schaeffer Oil.
Peacock Enterprises is an over-the-road trucking company with 26 tractors. Under shop foreman, Glen Dalyrmple, they tested two Detroit/Cummins engines for nine months. The engines showed a heavy buildup which was a baked-on oil residue.
Oil analysis and tractor on-board computer verified results of the study:
Unit 130 - Short Haul
Start: 5.32 mpg
Finish: 5.79 mpg
8.8% increased fuel economy
Oil Drains Start: 12,000
Oil Drains Finish: 25,000
Unit 170 - Long Haul
Start: 4.93 mpg
Finish: 5.43 mpg
10.1% increased fuel economy
Oil Drains Start: 20,000
Oil Drains Finish: 40,000
The company is currently using Schaeffer Supreme 7000® engine oil, #238 Ultra Supreme moly grease, #741 and #742 synthetic lubes.
Muffler Man has a regular customer with a 2001 Dodge Ram Quad Cab with a 5.9L Cummins engine who was looking for improved fuel economy. They went to great lengths, installing several performance parts including a complete K&N Intake Kit, a modified lift pump, a 4' performance exhaust system as well as a Super Tuner. They drained and filled the transfer case, differentials and transmission with Royal Purple lubricants plus filled the big Cummins engine with Shell Rotella-T engine oil. All this effort and expense brought the customer about 1 mpg increase in fuel economy. Not quite exactly the home run they were all looking for.
It was about this time that Muffler Man started hearing about Schaeffer Lubricants. They invited the local Schaeffer rep to come in and discuss what Schaeffer products had to offer. They put Schaeffer products to the test in the '01 Dodge Cummins project. They drained all fluids, converting the Dodge to Schaeffer using Supreme 7000® 15W-40 engine oil, All-Trans Supreme transmission fluid in the tranny and transfer case and Supreme 75W-90 gear oil in the differential. After adding a bottle of Neutra to the fuel tank, they sent the customer down the road and waited for the feedback.
Converting this working truck to Schaeffer lubricants and fuel additives took it from an average of 16.4 mpg up to 19 mpg! That's a whopping 15.9% gain and includes time pulling a trailer. The customer quoted: "I finally got the fuel economy I was looking for."
