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DISTRIBUTION AR 3728175 - Caterpillar



3728175 DISTRIBUTION AR Caterpillar parts 962K DISTRIBUTION
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40
Alternative (cross code) number:
CA3728175
372-8175
3728175
Caterpillar 3728175 DISTRIBUTION AR

Buy DISTRIBUTION AR 3728175 Caterpillar genuine, new aftermarket tractor parts with delivery
WHEEL LOADER,

Compatible equipment models: 3728175:

WHEEL LOADER  962K   Caterpillar
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--------------- END SUPPLEMENT ---------------SUPPLEMENT: 12/05/83SERVICE MAGAZINE, OCTOBER 10, 1983, PAGE 4.The article "New Connecting Rod And Main Bearings Used", tells about the use of new copper bonded bearings. In the chart under the heading, "5.4" Bore 60° Vee-Connecting Rod Bearings", some of the sizes of the bearings are not correct. The correct size and part number are shown in the chart. --------------- END SUPPLEMENT ---------------Reference: The Service Magazine, April 4, 1983 article "New Connecting Rod Bearings Used" told of the use of new connecting rod bearings for 3400 Series Engines. This new article has some of the information from the earlier article plus some additional information. Make a reference in the earlier article to this new article.Description of Change: New connecting rod and crankshaft main bearings are now used in the rod and piston groups and crankshaft groups on 5.4" Bore 60° Vee Engines. Also, new crankshaft main bearings are now used in the crankshaft groups on all 3400 Series Engines. The new bearings have a different design, which uses a copper material to bond (fasten) the lead-tin overlay to the aluminum bearing material. After the lead-tin overlay is worn away, this copper bond will decrease scuffing during lack of lubrication conditions. Cold starts, failure to prelube after oil changes, and low oil levels will all result in a lack of lubrication condition. Remember that during normal engine operation the lead-tin overlay will be worn away in some areas before the overhaul time.
Formerly, a nickel material was used to bond the overlay to the aluminum bearing material.
Adaptable As: The new bearings are a direct replacement for the former bearings as shown in the chart.

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