A&A Concrete Delo Family of Products RbL Cement Mixer Truck Proof of Performance

1. A&A Concrete
Delo Family of Products
RbL Cement Mixer Truck Proof of Performance
Leonard Badal
Commercial Sector Manager
CMRP, CLS, OMA, MLT, MLA
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2. A&A Concrete
Delo Family of Products Proof of Performance
• A&A Concrete has operated over 30 years in California
 They have run exclusively Delo Engine oils
 Started with whole Delo family of Products in 2001
• They run over 770 trucks
 120+ Rock & Sand Aggregate Haulers
 650+ Cement Mixers
 Majority of the fleet is Mack trucks with E7 Tech engines
• They have achieved 25,000+ hours of operation at 1100 hour
oil drains using Delo Family of Products including:
 Delo 400 LE 15W-40
 Delo Extended Life Coolant
 Delo Gear ESI
 Delo Heavy Duty EP Grease
• The important measures for them:
 Delo provides excellent equipment reliability
 They have achieved 1100 hour oil drain intervals
 They have minimized their operating costs in a tough operating
environment
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3. A&A Concrete
Delo Family of Products use throughout the fleet
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4. A&A Fleet Engine Oil Performance
Chevron Delo® 400 LE SAE 15W-40 Specifications
 API and Original Equipment Manufacturers (OEM) Approvals
– API CJ-4, CI-4 Plus, CI-4, CH-4, SM
– Cummins CES 20081
– Caterpillar ECF-3, ECF-2
– Detroit Diesel 93K218
– Mack EO-0 Premium Plus 07
– Volvo VDS-4
– Renault RLD-3
– Mercedes Benz 228.31
– Deutz DQC-III-10LA
– MAN 3575/3275
– MTU Category 2.1
– ACEA E9
– JASO DH-2
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5. A&A Concrete
Cement Mixer Truck - Mack E7- 350 Engine Teardown Review
• Teardown done at A&A workshop with A&A maintenance personnel
• Inspection conducted jointly with A&A Fleet Maintenance Manager and Chevron Senior Scientist
• Teardown is filmed and engine parts all photographed and rated – provided to all parties
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6. A&A Concrete
Mack E7 - 350 Engine Teardown Review – Main Bearings
• Main Bearings are in very good condition with limited top layer removal – Only a few scratches from
debris – otherwise no major wear through overlay even after 25,000+ hours of operation at 1100 hour oil
drains.
• Main Bearings show excellent wear protection afforded by Chevron Delo 400 HDEO.
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7. A&A Concrete
Mack E7 - 350 Engine Teardown Review – Pistons
• Piston lands are clean with minimal deposits on top land and crown and insignificant deposits on 2nd or
3rd land
• Piston ring wells are clean of deposits allowing free movement and excellent seal capability to ensure
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good compression
• Aluminum Piston skirts show no wear or skidding marks.

8. A&A Concrete
Mack E7 - 350 Engine Teardown Review – Piston Liners
• Piston liner crosshatch is clearly visible – showing protection of Delo 400
• Good Crosshatching indicates excellent lubrication film is maintained and providing excellent component
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protection
• Retention of the crosshatching ensures good oil consumption control also for the engine helping to
reduce top-off and also blow-by that can reduce power

9. A&A Concrete
Mack E7 - 350 Engine Teardown Review – Rollers & Cam Shaft
• Cam shaft rollers are in very good condition with no skidding or adhesive wear exhibited – additionally
they have no side ways play in the rollers – indicating they could be further used
• Cam shaft in excellent overall condition with no pitting or skidding wear and can be reused in the engine
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10. A&A Concrete
Mack E7 - 350 Engine Teardown Review – Summary
• Engine teardown on Mack E& for A&A shows very good engine protection afforded by Delo 400 – out to
25,000+ hours of operation at 1100 hour oil drains.
• This combined performance of engine durability at extended drain intervals provides helps minimize A&A
fleets operating costs and also supports their goal of operating their trucks longer with improved reliability.
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11. A&A Fleet Coolant Performance
Chevron Delo® Extended Life Coolant Specifications
 ASTM/TMC/Original Equipment Manufacturers (OEM) Specifications
– ASTM D 6210
– ASTM D 3306
– TMC RP 329/302A/351 (color)
– Caterpillar EC-1
– Navistar CEMS B1 Type III
– Detroit Series 60 & DD15 engines
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(Per SVC BR 0002)

12. A&A Concrete
Mack E7 - 350 Engine Teardown Review – Coolant System
• Wet Sleeve liners are in excellent shape after 1M+ miles of operation with no pitting, silicate buildup or
© 2012 Chevron U.S.A. Inc. Confidential. All rights reserved. 12
corrosion present.
• Water pump shows no corrosion on erosive pitting or cavitation – A&A could reuse this pump based on
inspection.

13. A&A Fleet Transmission & Axle Performance
Chevron Delo® Gear Lubricant ESI® Specifications
 API and Original Equipment Manufacturers (OEM) Specifications
– API GL-5
– SAE J2360
– API MT-1
– API GL-4
– Arvin Meritor TP 9539 up to 500,000 miles
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 Recommended for:
− Mack GO-J Plus Applications
− Dana Meritor Axles
− HD Axles that require GL-5 performance

14. A&A Concrete
Cement Mixer Truck – Eaton Transmission Performance
• A&A concrete has used a “one drum” approach to lubricating their manual transmissions and axles.
• They have used Delo Gear Lubricant ESI SAE 80W-90 for both components and have found it has
provided superb protection and equipment life at a reduced cost to more expensive synthetics.
• Shown below are recent teardown pictures showing both components after 750k+ miles on Delo Gear
Lubricant ESI SAE 80W-90 – both components were in such good shape they could be reused.
• By using the “one drum” approach – A&A has saved over $160,000 versus buying synthetic top off for
the last 10+ years – additionally by using the 1 drum approach they have reduced lubricant complexity
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15. A&A Concrete
Cement Mixer Truck – Axle Performance
• A&A Concrete has seen excellent load carrying performance in their axles using Delo Gear Lubricant
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ESI SAE 80W-90
• The borate technology in Delo Gear Lubricant ESI allows for use of a mineral based product at a lower
cost than traditionally more expensive full synthetic SAE 75W-90 gear oils used in these axles.
• Shown below are the teardown pictures of the A&A Cement truck axle showing excellent gear teeth
protection using Delo Gear Lubricant ESI SAE 80W-90.

16. A&A Concrete
Cement Mixer Truck – Summary Performance Review
 Delo Family Products have provided excellent cement truck longevity
 A&A Concrete has seen minimized operating cost performance by
using the full Family of Delo products
 No need for expensive synthetics to achieve equipment durability,
extended drains or business reliability.
 Chevron provides Delo Warranty Plus Protection for A&A equipment
which provides further comfort in performance.
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17. A&A Concrete
Cement Mixer Truck – Delo Warranty Plus
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