api cj-4 summary of test
TRANSCRIPT
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7/21/2019 API CJ-4 Summary of Test
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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