Usage:
D342, G342 Engines;
D7 ( 47A, 48A, 79A, 95A ),
D8 ( 36A, 46A, 68A, 66V, 76V, 77V ) Tractors;
571 ( 64A ),
572 ( 65A ),
583 ( 61A, 78V ) Pipelayers
- SUPPLEMENT: 11/14/83
SERVICE MAGAZINE, JULY 12, 1982, PAGE 4. In the article "New Main And Connecting Rod Bearings Have A Thicker Layer Of Lead-Tin Overlay (Surface Material)," the "ADAPTABLE AS:" section tells that "the new bearings are a direct replacement for the former bearings shown in the chart." Make a note that the new bearings will not fit all former 5.75" bore engines. Early 5.75" bore engines used a crankshaft with a 95.22 mm (3.749") diameter main bearing journal. Later crankshafts have a 108.20 mm (4.260") diameter main bearing journal. The new bearings will fit only the crankshafts with 108.20 mm (4.260") diameter journals.
The chart which follows has a list of machines and engines with approximate serial numbers when the crankshaft with 108.20 mm (4.260") diameter main bearing journals are used.
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Description of Change: New main and connecting rod bearings for the above engines have a thicker layer of lead-tin overlay (surface material) for longer service life. The bearing wall thickness and journal clearance specifications are not changed.
Adaptable As: The new bearings are a direct replacement for the former bearings as shown in the the chart.
