8T0661 BOLT Caterpillar parts
330B L, 330C, 330C L, 345B L, 350, 365B, 988G
Rating:
Alternative (cross code) number:
CA8T0661
8T-0661
8T0661
CA8T0661
8T-0661
8T0661
Weight: 0.53 pounds 0 kg.
Information:
COATING/PLATING
Phosphate and Oil Coating
GRIP LENGTH
7.5
mm
HEAD HEIGHT
15.44
mm
HEX SIZE
36
mm
LENGTH
40
mm
MATERIAL
Steel - 1040 MPa Min Tensile Strength
THREAD SIZE
M24X3
EXCAVATOR, WHEEL LOADER,
Compatible equipment models: 8T0661:
Number on catalog scheme:
10
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Information:
Periodic inspection and cleaning are recommended for the turbocharger compressor housing (inlet side). Any fumes from the crankcase are filtered through the air inlet system. Therefore, by-products from oil and from combustion can collect in the turbocharger compressor housing. Over time, this buildup can contribute to loss of engine power, increased black smoke and overall loss of engine efficiency.If the turbocharger fails during engine operation, damage to the turbocharger compressor wheel and/or to the engine may occur. Damage to the turbocharger compressor wheel can cause additional damage to the pistons, the valves, and the cylinder head.
Turbocharger bearing failures can cause large quantities of oil to enter the air inlet and exhaust systems. Loss of engine lubricant can result in serious engine damage.Minor leakage of a turbocharger housing under extended low idle operation should not cause problems as long as a turbocharger bearing failure has not occurred.When a turbocharger bearing failure is accompanied by a significant engine performance loss (exhaust smoke or engine rpm up at no load), do not continue engine operation until the turbocharger is repaired or replaced.
An inspection of the turbocharger can minimize unscheduled downtime. An inspection of the turbocharger can also reduce the chance for potential damage to other engine parts.Note: Turbocharger components require precision clearances. The turbocharger cartridge must be balanced due to high rpm. Severe Service Applications can accelerate component wear. Severe Service Applications require more frequent inspections of the cartridge.Removal and Installation
For options regarding the removal, installation, repair, and replacement, consult your Cat dealer. Refer to the Service Manual for this engine for the procedure and specifications.Cleaning and Inspecting
Remove the exhaust outlet piping and remove the air inlet piping from the turbocharger. Visually inspect the piping for the presence of oil. Clean the interior of the pipes in order to prevent dirt from entering during reassembly.
Turn the compressor wheel and the turbine wheel by hand. The assembly should turn freely. Inspect the compressor wheel and the turbine wheel for contact with the turbocharger housing. There should not be any visible signs of contact between the turbine wheel or compressor wheel and the turbocharger housing. If there is any indication of contact between the rotating turbine wheel or the compressor wheel and the turbocharger housing, the turbocharger must be reconditioned.
Check the compressor wheel for cleanliness. If only the blade side of the wheel is dirty, dirt and/or moisture is passing through the air filtering system. If oil is found only on the back side of the wheel, there is a possibility of a failed turbocharger oil seal. The presence of oil may be the result of extended engine operation at low idle. The presence of oil may also be the result of a restriction of the line for the inlet air (plugged air filters), which causes the turbocharger to slobber.
Inspect the bore of the turbine housing for corrosion.
Clean the turbocharger housing with standard shop solvents and a soft bristle brush.
Fasten the air inlet piping and the exhaust outlet piping to the turbocharger housing.
Turbocharger bearing failures can cause large quantities of oil to enter the air inlet and exhaust systems. Loss of engine lubricant can result in serious engine damage.Minor leakage of a turbocharger housing under extended low idle operation should not cause problems as long as a turbocharger bearing failure has not occurred.When a turbocharger bearing failure is accompanied by a significant engine performance loss (exhaust smoke or engine rpm up at no load), do not continue engine operation until the turbocharger is repaired or replaced.
An inspection of the turbocharger can minimize unscheduled downtime. An inspection of the turbocharger can also reduce the chance for potential damage to other engine parts.Note: Turbocharger components require precision clearances. The turbocharger cartridge must be balanced due to high rpm. Severe Service Applications can accelerate component wear. Severe Service Applications require more frequent inspections of the cartridge.Removal and Installation
For options regarding the removal, installation, repair, and replacement, consult your Cat dealer. Refer to the Service Manual for this engine for the procedure and specifications.Cleaning and Inspecting
Remove the exhaust outlet piping and remove the air inlet piping from the turbocharger. Visually inspect the piping for the presence of oil. Clean the interior of the pipes in order to prevent dirt from entering during reassembly.
Turn the compressor wheel and the turbine wheel by hand. The assembly should turn freely. Inspect the compressor wheel and the turbine wheel for contact with the turbocharger housing. There should not be any visible signs of contact between the turbine wheel or compressor wheel and the turbocharger housing. If there is any indication of contact between the rotating turbine wheel or the compressor wheel and the turbocharger housing, the turbocharger must be reconditioned.
Check the compressor wheel for cleanliness. If only the blade side of the wheel is dirty, dirt and/or moisture is passing through the air filtering system. If oil is found only on the back side of the wheel, there is a possibility of a failed turbocharger oil seal. The presence of oil may be the result of extended engine operation at low idle. The presence of oil may also be the result of a restriction of the line for the inlet air (plugged air filters), which causes the turbocharger to slobber.
Inspect the bore of the turbine housing for corrosion.
Clean the turbocharger housing with standard shop solvents and a soft bristle brush.
Fasten the air inlet piping and the exhaust outlet piping to the turbocharger housing.
Caterpillar parts catalog:
Parts bolt Caterpillar catalog:
2384C, 2484C, 322 FM L, 322B L, 322C, 322C FM, 324D FM, 324D FM LL, 324D L, 330, 330 FM L, 330B L, 330C, 330C FM, 330C L, 330C MH, 330D, 330D FM, 330D L, 330D MH, 336D L, 336E L, 345B, 345B II, 345B I...
320C FM, 320D, 320D FM, 320D FM RR, 320E, 320E L, 320E LN, 320E LRR, 320E RR, 323E L, 324E, 324E L, 324E LN, 329D L, 329E, 329E L, 336E, 336E H, 336E HVG, 336E L, 336E LH, 336E LN, 336F L, 345D L, 349...
324D, 324D L, 324D LN, 324E, 324E L, 324E LN, 325D, 325D L, 326D L, 329D, 329D L, 329D LN, 329E, 329E L, 329E LN, 330C, 330C L, 330D, 330D FM, 330D L, 330D LN, 330D MH, 336D, 336D L, 336D LN, 336D2, 3...
320B, 320C, 320D, 320D FM, 320D L, 320D2, 320D2 L, 320E, 320E LN, 321C, 322C, 322C FM, 323D L, 323D LN, 323D SA, 323D2 L, 323E L, 324D, 324D FM, 324D L, 324D LN, 324E, 324E L, 324E LN, 325C, 325C FM, ...
325C, 330, 330 FM L, 330B L, 330C L, 330D, 330D L, 336D L, 345B, 345C, 345C L, 345D, 349D L, 350, 350 L, OEMS, TK1051
16M, 320D, 320D FM, 320D L, 320D2, 320D2 L, 320E, 320E LN, 322C, 323D L, 323D LN, 323D SA, 323D2 L, 323E L, 325C, 325D, 325D FM, 325D L, 328D LCR, 329D, 329D L, 329D LN, 329E, 329E L, 329E LN, 330C, 3...
320C, 325C, 330B L, 330C, 330C FM, 330C L, 330C MH, 330D, 330D L, 330D LN, 330D MH, 336D, 336D L, 336D LN, 336D2, 336D2 L, 336E, 336E H, 336E HVG, 336E L, 336E LH, 336E LN, 336F L, 340D L, 340D2 L, 34...
330B L, 330C, 330C FM, 330C L, 330D FM, 330D L, 330D MH, 345B, 345B II, 345B II MH, 345B L, 345C, 345C L, 345C MH, 551, 552, OEMS, TK751, TK752
330, 330 FM L, 330 L, 330B, 330B L, 345B II, 345B II MH, 345B L, 349E, 349E L, 349E L HVG, 349E L VG, 349F L, 350, 365B, 365B II, 365B L, 385B, 525C, 525D, 535C, 535D, 545C, 545D, 555D, GSH15, GSH15-6...
320D, 330C L, 330D L, 336D, 336D2, 336E, 336E H, 336E L, 336E LH, 336F L, 345C, 345C L, 345C MH, 345D, 345D L, 345D L VG, 349D, 349D L, 349E, 349E L, 349E L VG, 349F L, 365B, 365B II, 365B L, 365C, 36...
325B L, 330, 330 FM L, 330 L, 330B, 330B L, OEMS
330, 330 FM L, 330 L, 330B, 330B L, 330D, 330D FM, 330D L, 330D LN, 330D MH, 336D, 336D L, 336D LN, 336D2, 336D2 L, 340D L, 340D2 L, E300B, M330D, W330B
980G, 988G, 988H
730, 730C, 740, 740B, 793, 793B, 793C, 793D, 988G, 988H, D400E II, D8R, D8T, M320
1390, 2390, 2590, 390F L, 521, 521B, 522B, 541, 541 2, 551, 552, 552 2, 777F, 777G, 793D, 793F, 793F AC, 793F CMD, 793F OEM, 793F-XQ, 834G, 834H, 834K, 986H, 988G, 988H, 988K
5130, 5130B, 5230, 5230B, 990, 990 II, 990H, 990K, 994, 994D, 994F, 994H, R2900, R2900G
5130, 5130B, 5230, 5230B, 793, 793B, 793C, 793D, 795F AC, 795F XQ, 797, 797B, 797F, 988K, 990, 990 II, 990H, 990K, 994, D11R, D11T, R3000H
990 II, 990H, 990K, MP15, MP318, P215, P360, VHC-30, VHP-30, VT30, VT50
1785143
BOLT
950G II, 980G II
950G II, 980G II
1782702
BOLT
950G II
950G II
1784405
BOLT
950G II, 980G II
950G II, 980G II
5110B, 5130, 5130B, 5230, 5230B, 990 II, 990H, 990K
844, 844H, 844K, 854K, 990, 990 II, 990H, 990K, 992K
1655085
BOLT-SOCKET HEAD
330C, 330C L, 330D L, 330D MH, 345B II, 345B II MH, 345C, 345C L, 345C MH, 345D, 345D L, 345D L VG, 349D, 349D L, 349E, 349E L, 349E L HVG, 349E L VG, 349F L, 539, 834G, 834H, 988G, 988H, 988K, CTV15
330C, 330C L, 330D L, 330D MH, 345B II, 345B II MH, 345C, 345C L, 345C MH, 345D, 345D L, 345D L VG, 349D, 349D L, 349E, 349E L, 349E L HVG, 349E L VG, 349F L, 539, 834G, 834H, 988G, 988H, 988K, CTV15