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November 29, 2003
Machinery Maintenance for Extended Life
Study of the Micron Rating & Beta Ratio of Various Engine Oil Filters

The filters shown in the chart below fit a Deutz F8L 413 Diesel Engine.
Some filters have beta ratios at two different microns.

 

Rank

Brand

Part Number

Microns

Beta Ratio

Efficiency

1

Baldwin
Hastings

Baldwin B7031

22

2

50%

Same as Above

37

75

98.7%

2

Donaldson

P55-8250

20

2

50%

Same as Above

40

20

95%

3

NAPA /Wix

NAPA 1158

23

2

50%

Same as Above

43

20

95%

4

Fleetguard

LF-673

30

3

67%

5

Purolator

L0106

23

2

50%

6

Champion
Lubrifiner

Lubrifiner LFP-2222

27

2

50%

Same as Above

50

75

98.7%

Filters below fit Caterpillar 3406-3408-3412 Engines and C Series Truck engines

Rank

Brand

Part Number

Microns

Beta Ratio

Efficiency

1

NAPA /Wix

1792

8

2

50%

 

Same as Above

 

21

20

95%

2

Donaldson

P554005

20

2

50%

 

Same as Above

 

37

75

98.7%

3

Baldwin
Hastings

B99

22

2

50%

 

Same as Above

 

37

75

98.7%

4

Caterpillar

2P4005

23*

2

50%

 

Same as Above

 

48*

75

98.7%

A Caterpillar dealer stated that the 2P4005 filter has a Beta of 2 for 20 to 25 micron particles and a Beta of 75 for 45 to 50 micron particles. The chart shows an average of the two numbers.

The only thing that matters is, "How clean is the oil in your engine?" With the filters listed in the charts above, the particle count will be in the range of ISO 21/19/14 to 19/18/14.

Filtration by MMEL will provide ISO 16/14/11 to 16/14/10.

Each time you drop one code number lower, the number of particles is cut in half. Two numbers lower = 1/4 the particles. Three numbers lower = 1/8 the particles. Four numbers lower =1/16 the particles.

MMEL Filtration Will Have 1/16 As Many Particles As The Filters Shown Above.

MMEL Filtration Will More Than Double The Life Of Your Engines.