5J8150 4J8981 8J6070 16724741433672 5J8175 5J8200 5J0964 5J8225 5J8300 5J8325 5J8350 5J8375 1672200 2892848 5J8425 5J847

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5J8150 5J8175 5J8200 5J0964 5J8225 5J8275 5J8300 5J8325 5J8350 5J8400 5J8375 5J8238 2892935 1672200 2892848 5J8425 5J8475

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5J8350 SEAL parts 10, 215, 215B, 215C, 215D, 225, 225D, 245, 245B, 5230, 641, 641B, 651E, 657, 657B, 657E, 666, 769, 824G, 8A, 8S, 8U, 931B, 966G, 972G, 972G II, 980C, 980F, 980F II, 980G, 983, 983B, 988B, 988F II, 992... SEAL

5J8325 SEAL parts 10, 215, 225, 225D, 227, 229, 229D, 651, 651B, 651E, 657B, 657E, 666, 836, 8D, 950B, 950B/950E, 950F, 950F II, 950G, 950G II, 960F, 962G, 966D, 966F, 966F II, 966G, 966G II, 970F, 972G, 972G II, 973, ... SEAL

5J8300 SEAL-U-CUP parts 215C, 215D, 225, 235, 235C, 345B II, 345B L, 446, 578, 589, 5S, 623E, 631D, 631E, 633E, 637E, 641B, 7A, 826G, 8D, 950, 950B, 950B/950E, 950F, 950F II, 950G, 953, 960F, 962G, 980, 980B, 980C, 980F, 980... SEAL

5J8275 SEAL-U-CUP parts 215, 215B, 426B, 426C, 436, 436B, 436C, 438B, 438C, 446, 446B, 615, 615C, 621B, 621E, 627B, 627E, 631B, 631D, 631E, 633, 633D, 637D, 637E, 641B, 789, 793, 793C, 793D, 836G, 8S, 936, 936F, 938F, 938G, ... SEAL

5J8225 SEAL-U-CUP parts 120H, 120H ES, 120H NA, 12H, 12H ES, 12H NA, 135H, 135H NA, 140H, 140H ES, 140H NA, 143H, 14G, 14H NA, 160H, 160H ES, 160H NA, 163H NA, 215D, 245B, 320B FM LL, 446B, 508, 613C, 615, 615C, 621, 814S, 8... SEAL

5J8200 SEAL-U-CUP parts 120H, 12G, 12H, 12H NA, 130G, 140G, 140H, 140H NA, 14G, 160G, 16G, 215, 215B, 215C, 215D, 225, 245, 3S, 416B, 416C, 426, 426B, 426C, 428, 428B, 428C, 436C, 438B, 438C, 446, 446B, 4S, 5080, 515, 518, 5... SEAL

5J8175 SEAL-U-CUP parts 120G, 120H, 120H ES, 120H NA, 12G, 12H, 12H ES, 12H NA, 130G, 135H, 135H NA, 140G, 140H, 140H ES, 140H NA, 143H, 14G, 14H NA, 160G, 160H, 160H ES, 160H NA, 163H NA, 16G, 227, 416C, 426C, 428, 428B, 42... SEAL

5J8150 SEAL-U-CUP parts 10, 120B, 120G, 120H, 120H ES, 120H NA, 12G, 12H, 12H ES, 12H NA, 130G, 135H, 135H NA, 140B, 140G, 140H, 140H ES, 140H NA, 143H, 14E, 14G, 16, 160G, 160H, 160H ES, 160H NA, 163H NA, 16G, 3P, 3S, 416B,... SEAL

SUPPLEMENT: 02/24/86SERVICE MAGAZINE, JANUARY 27, 1986, PAGE 4, "Uprated 3500 Series Engines Now Available".In the charts for the 3508, 3512 and 3516 Engine Arrangements, several part numbers were omitted. Also, in the chart for 3508 Engine Arrangements, the 95W644 serial number should be 95Y644. The correct charts are listed below. --------------- END SUPPLEMENT ---------------Reference: "Uprated 3500 Series Engines Use Stronger Pistons, New Connecting Rods And New Piston Pins" in this issue. Uprated 3500 Series Engines are now available. Design and manufacturing changes have resulted in improved structural and component capabilities. These improvements allow a rating increase of up to 25% above the previous levels, while the brake specific fuel consumption will decrease by up to 3%.
Improvements to some of the basic engine components such as the cylinder block, crankshaft, camshaft, valve train, pistons, rods, wrist pins, cylinder heads, turbochargers, inlet manifolding, fuel injectors and fuel lines have allowed the uprating of the 3500 Series Engines.
This article will address some of the improvements which have allowed the higher ratings. Part numbers of some components have changed and former parts should not be used to service the uprated engine.
Illustration 1. Loion of the drilled oil galleries.Cylinder blocks have increased wall thickness in key loions to make the block stronger. The oil galleries are now drilled rather than cast. These improvements have increased the fatigue limits of the block. This allows the block to be used at higher ratings without decreasing the reliability of the block.
Crankshafts used in 3512 and 3516 Engines have improved heat treating. The manufacturing process for the crankshaft oil supply holes has been changed to reduce stress concentrations. These changes will result in stronger crankshafts.
Illustration 2. Former and new camshaft drive gear retainers.Camshaft lift, duration and profile have been refined to provide increased efficiency. The camshaft drive train has been improved to carry more load, as shown in Illustration 2. One larger bolt is now used, rather than two smaller bolts to fasten the camshaft drive gear on the end of the camshaft. This provides a stronger gear-to-camshaft joint and is simpler to assemble.
Illustration 3. Cross sections of the forged piston and the cast piston.
Illustration 4. Forged piston and cast piston.
Illustration 5. Bottom view of the forged piston and the cast piston.Two types of pistons are now used. One type piston is of all cast construction and is used in lower and intermediate rated engines. The other type piston has two parts; a forged skirt, pin boss and central crown with a cast outer crown. These two piston parts are electron beam welded together. This welded type piston is used in the new uprated engines.
Illustration 6. Connecting rod used with the welded piston and the connecting rod used with the cast piston.Due to the increased piston crown thickness, a new connecting rod with a different small end balancing boss is used. This will provide sufficient clearance between the top of the rod and the undersize of the piston crown.
Illustration 7. New and former intake and exhaust