1665441 TURBOCHARGER GP Caterpillar parts
D10N, D10R
Rating:
Alternative (cross code) number:
CA1665441
166-5441
1665441
CA1665441
166-5441
1665441
TRACK-TYPE TRACTOR,
Information:
Illustration 1. Top Ring Wear. (A) Ring Face Wear. (B) Top Flank Wear. (C) Piston Ring. (D) Bottom Flank Wear. (E) Piston Crown. (F) Liner Bore Wear. (G) Cylinder Liner.
Illustration 2. Top Ring Face Change. (X) Former 8N-1233 Top Ring with Symmetrical Barrel Face. (Y) New 144-5694 Top Ring With Asymmetrical Barrel Face.The new top ring improvements include: * A new denser face coating.* A new asymemetrical face.* A different keystone angle.* A smaller end gap.
The new denser face coating decreases ring face wear [see Illustration 1, Item (A)]. This new denser face coating does not increase liner bore wear. The new asymmetrical face proiveds lower brake specifice oil consumption (see Illustration 2). The new keystone angle of the top ring provides better contact between the top ring and the piston top ring groove. This results in decreased bottom flank wear [see Illustration 1, Item (D)].
The new intermediate ring has a smaller end gap. When used together, the smaller end gap in the top and intermediate rings result in less blowby, lower crankcase pressure, and a decrease in top flank wear [see Illustration 1, Item (B)].
The new oil ring exerts 17 percent more force against the liner bore than the former oil ring. This results in slightly reduced oil consumption.
The new piston rings provide lower ring wear and lower piston ring groove wear. This will result in increased service life and help prevent broken top rings.
Adaptable To: The new 144-5694 Top Ring replaces the former 122-5956 Top Ring in 3500B engines. The new 144-5694 Top Ring replaces the 8N-1233 Top Ring in 3500 engines with two piece pistons. The 8N-1233 Top Ring is still used in 3500 engines with one piece pistons. The new 144-5695 Intermedate Ring replaces the former 123-8216 Intermediate Ring in 3500B engines. The new 144-5695 Intermedate Ring replaces the 8N-7810 Intermediate Ring in 3500 engines with two piece pistons. The 8N-7810 Intermediate Ring is still used in 3500 engines with one piece pistons.
The 123-4268 oil ring continues to be used in all
Caterpillar SIS machinery equipment:
Caterpillar parts catalog:
Parts turbocharger Caterpillar catalog:
6N1362
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D10N, D9L
D10N, D9L
1279813
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621G, 623G, 627F, 627G, 657B, 980G II, D10N, D10R, R2900G
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2W5697
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1933931
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1923032
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1912248
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2064013
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1832820
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1959762
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1947922
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