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TEST TYPE PURPOSE PARAMETER REQUIREMENT

Caterpil lar 1N Evaluatesperformance ofcrankcaselubricants

Piston depositsRing stickingPiston scuffingRing scuffingLiner scuffingOil consumption

Weighted demerits, max 286.2/311.7/323.0Top groove fill, max 20/23/25Top land heavy carbon, max 3/4/5Oil consumption (0-252 hrs) g/kwh, max 0.5Piston/ring/liner scuffing NonePiston ring stick None

Caterpil lar C13 Evaluatesperformance of

crankcaselubricants forpiston deposits,oil consumption

Liner (1Y-4107)Piston (1Y-4106)

Top Ring (1Y-4108)2

ndRing (1Y-4109)

Oil Ring (1Y-4110)

Max Merit Wt Anchor Min

Delta

O/C

31 300 25 10

ATLC 35 300 30 15ATGC 53 300 46 30R2TCA 33 100 22 5Merits 1000

Cummins ISB Evaluates acrankcaselubricants abilityto reduce valvetrain and cam-shaft lobe wear

CamshaftMushroom-style

slider tappetsCrosshead

MTAC1 2 3

ACSW 55

55 59 61ATWL 100

100 108 11

Cummins ISM Evaluates alubricantseffectiveness atreducing soot-related overheadwear, sludge, oil

filter plugging

Injector adjustingscrew

SludgeCrossheadTop ring wearOil filter plugging

Parameter Anchor

Merit Wt Max MinXHD

5.7 350 7.1 4.3RWL 100 0 100 0Ofdp 13 150 19 7IAS 27 350 49 16Sludge 9 150 9.3 8.7

Merits 1000Engine Oil AerationTest

Determineseffectiveness ofengine lubricatingoils at minimizingair entrainment inlarge pickups andmedium-dutytrucks

Oil Evaluation

At 20 hours, the maximum allowable amount of airentrained in the oil is 8% for API CJ-4, CI-4, and CH-4;and 10% for API CF-4.

Mack T11 Evaluates soothandlingperformance

Oil Filter Plugging Vis 12 cSts 6.0 TGA Soot MinsVis 15 cSts 6.7Vis 4 cSts 3.5

New oil MRV@-20C 20000 All grades180-Hr Used MRV 25000, Yield stress

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Chemical and Bench Tests

Foaming Determinesthe foamingcharacteristicsof lubricatingoils

Foaming volumesFoaming / Settling

Sequence I, maxSequence II, maxSequence III, max

10 / 0 %20 / 0 %10 / 0 %

High-Temperature

Corrosion

Evaluatesdiesel enginelubricants todeterminetendency tocorrodevarious metals

Four metalcoupons

Copper Used oil increase Max 20 ppmLead Used oil increase Max 120 ppmCopper Strip rating Max 3 ---

High-TemperatureHigh-ShearViscosity

Covers thelaboratorydeterminationof theviscosity ofengine oils

Viscosity

Viscosity @ 150 degrees C, minimum 3.5 cP

NOACKVolatility

Examines theevaporationloss of engineoils

The loss in mass ofoil is determined

Evap Loss @ 250 Degrees CVis Grades other than 10W-30, max

13%

Evap Loss @ 250 Degrees C10W-30, max 15%

SealCompatibility

Evaluates thecompatibilityof automotiveengine oilswith fourreferenceelastomers

Effects of test oilson elastomers,measurement ofchanges in volume,hardness, tensileproperties

NitrileVolume changeHardnessTensile strengthElongationSiliconeVolume changeHardnessTensile strengthElongationPolyacrylateVolume changeHardnessTensile strengthElongationFKMVolume changeHardnessTensile strengthElongationVamac GVolume changeHardnessTensile strengthElongation

+5 / -3+7 / -5+10 / -TMC 1006+10 / -TMC 1006

+TMC 1006 / -3+5 / TMC 1006+10 / -45+20 / -30

+5 / -3+8 / -5+18 / -15+10 / -35

+5 / -2+7 / -5+10 / -TMC 1006+10 / -TMC 1006

+TMC 1006 / -3+5 / -TMC 1006+10 / -TMC 1006+10 / -TMC 1006

Sooted OilMRV

Measuresyield stressand viscosityof engine oils

Viscosity and yieldstress

180-Hour sample from Mack T-11 or T-11AViscosity @ -20C, max

25,000 mPas

Yield Stress