The document discusses the engine teardown of a Freightliner truck with a Cummins ISX 500 engine that was used by Freestate Petroleum Distributors. The engine was run for over 1,000,000 km using Delo 400 Multigrade oil and Caltex Extended Life Coolant. Upon teardown, the engine parts showed minimal wear and deposits, including pistons and rings with limited deposits, clean piston liners, minimal camshaft and bearing wear, and clean radiator tubes. This demonstrated the protection provided by Delo 400 Multigrade oil and Caltex Extended Life Coolant in allowing the engine to reach over 1,000,000 km with reliability. Freestate will refill the rebuilt engine with the same

1. Delo with Isosyn Technology
Delo 400 Multigrade Field Performance
Cummins ISX 500
Achieving 1,000,000+ kilometers of engine
durability with Caltex Delo 400 Multigrade
© 2013 Chevron Oil Products South Africa. All rights reserved. All trademarks are property owned by
Chevron Intellectual Property LLC, or their respective owners 1

2. Chevron Delo® 400 Multigrade (API CI-4 Plus)
Industry Specifications and OEM Approvals
 API and Original Engine Manufacturers (OEM) Approvals
– API CI-4 Plus, CI-4, CH-4, SL
– Cummins CES 20078
– Caterpillar ECF-2
– Detroit Diesel 93K214
– Mack EO-N Premium Plus 2003
– Volvo VDS-3
– Mercedes Benz 228.3
– MAN 3275
– Deutz DQC-III-10
– DDC/MTU Category-2
– Renault RLD-2
– JASO DH-1
– ACEA E7
– ZF TE-ML-04C
© 2013 Chevron Oil Products South Africa. All rights reserved. All trademarks are property owned by
Chevron Intellectual Property LLC, or their respective owners 2

3. Freestate Petroleum Distributors
Cummins ISX 500 - using Delo 400 Multigrade & Caltex Extended Life Coolant
Freestate has been using Delo 400 Multigrade 15W-40 in their Freightliner
trucks for over 8 years – one truck had over 1M+ km and they wanted to see
engine parts performance while in extreme load service
© 2013 Chevron Oil Products South Africa. All rights reserved. All trademarks are property owned by
Chevron Intellectual Property LLC, or their respective owners 3

4. Freestate Petroleum Distributors
Cummins ISX 500 - using Delo 400 Multigrade & Caltex Extended Life Coolant
Truck engine was pulled out and torn down by Freightliner
Dealer Technicians in Bloemfontein, SAF
© 2013 Chevron Oil Products South Africa. All rights reserved. All trademarks are property owned by
Chevron Intellectual Property LLC, or their respective owners 4

5. Freestate Petroleum Distributors
Cummins ISX 500 - using Delo 400 Multigrade
Pistons and Rings are in very good condition with limited deposit build up and all
rings showing free movement.
Delo 400 Multigrade has shown very good soot dispersant capability while
minimizing deposit build up under heavy load operations.
© 2013 Chevron Oil Products South Africa. All rights reserved. All trademarks are property owned by
Chevron Intellectual Property LLC, or their respective owners 5

6. Freestate Petroleum Distributors
Cummins ISX 500 - using Delo 400 Multigrade
Piston liners are in very good condition after 1,000,000+ km – both inside and
outside – showing the superb combined protection of Delo 400 and Caltex
Extended Life Coolant
© 2013 Chevron Oil Products South Africa. All rights reserved. All trademarks are property owned by
Chevron Intellectual Property LLC, or their respective owners 6

7. Freestate Petroleum Distributors
Cummins ISX 500 - using Delo 400 Multigrade
Cam shafts showed minimal wear and the engine head deck
was very clean with no sludge or deposit build up
© 2013 Chevron Oil Products South Africa. All rights reserved. All trademarks are property owned by
Chevron Intellectual Property LLC, or their respective owners 7

8. Freestate Petroleum Distributors
Cummins ISX 500 - using Delo 400 Multigrade
Connecting Rod bearings show little wear with no significant overlay
removal on either the thrust side (top bearings) or the non-thrust side
(lower set of bearings).
© 2013 Chevron Oil Products South Africa. All rights reserved. All trademarks are property owned by
Chevron Intellectual Property LLC, or their respective owners 8

9. Freestate Petroleum Distributors
Cummins ISX 500 - using Delo 400 Multigrade
Main bearings show little wear with no significant overlay removal except for a few
scratches on either the thrust side (left set of bearings) or the non-thrust side
(right set of bearings). Very good protection at over 1,000,000+ km with Delo 400
Multigrade.
© 2013 Chevron Oil Products South Africa. All rights reserved. All trademarks are property owned by
Chevron Intellectual Property LLC, or their respective owners 9

10. Freestate Petroleum Distributors
Cummins ISX 500 - using Delo 400 Multigrade
Connecting rods and wrist pins show very little wear and are in very good shape –
these components could be reused again based on the protection provided by
Delo 400 Multigrade.
© 2013 Chevron Oil Products South Africa. All rights reserved. All trademarks are property owned by
Chevron Intellectual Property LLC, or their respective owners 10

11. Freestate Petroleum Distributors
Cummins ISX 500 - using Caltex Extended Life Coolant
Radiator heat exchange tubes are clean of deposits and in excellent condition
after 1,000,000+ kilometers due to the use of Caltex Extended Life Coolant.
Radiator has provided excellent heat transfer performance and protection by
keeping deposits off the radiator tubes.
© 2013 Chevron Oil Products South Africa. All rights reserved. All trademarks are property owned by
Chevron Intellectual Property LLC, or their respective owners 11

12. Freestate Petroleum Distributors
Cummins ISX 500 - using Caltex Extended Life Coolant
Thrust side of piston liners show no cavitation/liner pitting or silicated layer build
up. They are clean and in superb condition showing the excellent protection
provided by Caltex Extended Life Coolant.
Furthermore it shows the excellent continued thermal transfer capability between
liners and coolant since no deposits, corrosion or silicated film have formed due to
the protection provided by Caltex Extended Life Coolant.
© 2013 Chevron Oil Products South Africa. All rights reserved. All trademarks are property owned by
Chevron Intellectual Property LLC, or their respective owners 12

13. Freestate Petroleum Distributors
Cummins ISX 500 - using Caltex Extended Life Coolant
Water Pump and seal in very good condition after 1,000,000+ kilometers due to
the use of Caltex Extended Life Coolant. Both components could be reused again
in the vehicle.
© 2013 Chevron Oil Products South Africa. All rights reserved. All trademarks are property owned by
Chevron Intellectual Property LLC, or their respective owners 13

14. Freestate Petroleum Distributors
Cummins ISX 500 - using Caltex Extended Life Coolant
Thermostats are clean of deposits and silicated film allowing them to operate
appropriately and maintain key engine operating temperature at an optimal level.
Caltex Extended Life Coolant continues to main good protection.
© 2013 Chevron Oil Products South Africa. All rights reserved. All trademarks are property owned by
Chevron Intellectual Property LLC, or their respective owners 14

15. Freestate Petroleum Distributors
Cummins ISX 500 - using Delo 400 Multigrade & Caltex Extended Life Coolant
Freestate refills their rebuilt engine with Delo 400 Multigrade and Caltex
Extended Life Coolant to haul petroleum products another 1,000,000+ km with
continued reliability
© 2013 Chevron Oil Products South Africa. All rights reserved. All trademarks are property owned by
Chevron Intellectual Property LLC, or their respective owners 15

16. Delo® with ISOSYN® Technology
Bumper to Bumper Offer – helping to protect vehicles
© 2013 Chevron Oil Products South Africa. All rights reserved. All trademarks are property owned by
Chevron Intellectual Property LLC, or their respective owners 16