2554523 STUD Caterpillar parts
993K, 994D, 994F, 994H
Rating:
Alternative (cross code) number:
CA2554523
255-4523
2554523
CA2554523
255-4523
2554523
Weight: 1 pounds 0 kg.
Information:
GRIP LENGTH
85
mm
HEAD DIAMETER
0
mm
HEAD HEIGHT
12
mm
MATERIAL
1E1650
THREAD SIZE
M30X3.5
SERRATION DIAMETER
32.8
OVERALL LENGTH
140
WHEEL LOADER,
Information:
Removal Procedure
Table 1
Required Tools    
Tool     Part Number     Part Description     Qty    
A     138-7575     Link Bracket     2    
8T-4189 Bolt     2    
8T-4121 Hard Washer     2    Start By:
Remove the exhaust manifold. Refer to Disassembly and Assembly, "Exhaust Manifold - Remove and Install".
Remove the fuel injectors. Refer to Disassembly and Assembly, "Fuel Injectors - Remove and Install".
Remove the glow plugs. Refer to Disassembly and Assembly, "Glow Plugs - Remove and Install".
Remove the rocker shaft and pushrods. Refer to Disassembly and Assembly, "Rocker Shaft and Pushrod - Remove".
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting and repair of the product. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids.Dispose of all fluids according to local regulations and mandates.
Drain the coolant from the cooling system into a suitable container for storage or disposal. Refer to Operation and Maintenance Manual, "Cooling System Coolant - Change" for the correct procedure.
Illustration 1 g01362487
Typical example
Disconnect hose (2) from water temperature regulator housing (1) .
Remove breather hose (4) .
If necessary, remove inlet manifold (3). Refer to Disassembly and Assembly, "Inlet Manifold - Remove and Install".
Illustration 2 g01001090
The cylinder head tightening sequence
Illustration 3 g01346253
Gradually loosen cylinder head bolts (5) in reverse numerical order to the sequence that is shown in Illustration 2. This will prevent distortion of the cylinder head.
Remove cylinder head bolts (5) from cylinder head (6) .
Attach Tooling (A) and a suitable lifting device to cylinder head (6). Carefully lift the cylinder head off the cylinder block. The weight of the cylinder head is approximately 34 kg (75 lb).Note: Do not use a lever to separate the cylinder head from the cylinder block. Take care not to damage the machined surfaces of the cylinder head during the removal procedure. Avoid contamination of the cylinder bores with coolant or with debris.
Place the cylinder head on a surface that will not scratch the face of the cylinder head.
Remove gasket (7) .
Illustration 4 g01352734
Note the position of dowels (8) in the cylinder block. Do not remove the dowels unless the dowels are damaged.
Illustration 5 g01346658
Typical example
If necessary, remove bolts (11) and remove lifting bracket (10). Remove joint (9) .
If necessary, remove water temperature regulator housing (1). Refer to Disassembly and Assembly, "Water Temperature Regulator Housing - Remove and Install".
Table 1
Required Tools    
Tool     Part Number     Part Description     Qty    
A     138-7575     Link Bracket     2    
8T-4189 Bolt     2    
8T-4121 Hard Washer     2    Start By:
Remove the exhaust manifold. Refer to Disassembly and Assembly, "Exhaust Manifold - Remove and Install".
Remove the fuel injectors. Refer to Disassembly and Assembly, "Fuel Injectors - Remove and Install".
Remove the glow plugs. Refer to Disassembly and Assembly, "Glow Plugs - Remove and Install".
Remove the rocker shaft and pushrods. Refer to Disassembly and Assembly, "Rocker Shaft and Pushrod - Remove".
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting and repair of the product. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids.Dispose of all fluids according to local regulations and mandates.
Drain the coolant from the cooling system into a suitable container for storage or disposal. Refer to Operation and Maintenance Manual, "Cooling System Coolant - Change" for the correct procedure.
Illustration 1 g01362487
Typical example
Disconnect hose (2) from water temperature regulator housing (1) .
Remove breather hose (4) .
If necessary, remove inlet manifold (3). Refer to Disassembly and Assembly, "Inlet Manifold - Remove and Install".
Illustration 2 g01001090
The cylinder head tightening sequence
Illustration 3 g01346253
Gradually loosen cylinder head bolts (5) in reverse numerical order to the sequence that is shown in Illustration 2. This will prevent distortion of the cylinder head.
Remove cylinder head bolts (5) from cylinder head (6) .
Attach Tooling (A) and a suitable lifting device to cylinder head (6). Carefully lift the cylinder head off the cylinder block. The weight of the cylinder head is approximately 34 kg (75 lb).Note: Do not use a lever to separate the cylinder head from the cylinder block. Take care not to damage the machined surfaces of the cylinder head during the removal procedure. Avoid contamination of the cylinder bores with coolant or with debris.
Place the cylinder head on a surface that will not scratch the face of the cylinder head.
Remove gasket (7) .
Illustration 4 g01352734
Note the position of dowels (8) in the cylinder block. Do not remove the dowels unless the dowels are damaged.
Illustration 5 g01346658
Typical example
If necessary, remove bolts (11) and remove lifting bracket (10). Remove joint (9) .
If necessary, remove water temperature regulator housing (1). Refer to Disassembly and Assembly, "Water Temperature Regulator Housing - Remove and Install".
Caterpillar parts catalog:
Parts stud Caterpillar catalog:
7M7794
STUD-WELD
16, 30/30, 3508B, 3512B, 3512C, 3516B, 3516C, 561D, 572G, 572R, 572R II, 578, 583K, 589, 594, 594H, 611, 613C, 613C II, 613G, 615, 615C, 621, 621B, 621E, 621F, 621G, 623E, 623F, 623G, 627, 627B, 627E,...
16, 30/30, 3508B, 3512B, 3512C, 3516B, 3516C, 561D, 572G, 572R, 572R II, 578, 583K, 589, 594, 594H, 611, 613C, 613C II, 613G, 615, 615C, 621, 621B, 621E, 621F, 621G, 623E, 623F, 623G, 627, 627B, 627E,...
9X8281
STUD-TAPERLOCK
14M, 16H, 16M, 3116, 3126, 3176B, 3176C, 3196, 345B, 345B II, 345B II MH, 345B L, 345C, 345C L, 345C MH, 345D, 345D L, 345D L VG, 349D, 349D L, 365B, 365B II, 365B L, 583T, 621H, 621K, 623H, 623K LRC,...
14M, 16H, 16M, 3116, 3126, 3176B, 3176C, 3196, 345B, 345B II, 345B II MH, 345B L, 345C, 345C L, 345C MH, 345D, 345D L, 345D L VG, 349D, 349D L, 365B, 365B II, 365B L, 583T, 621H, 621K, 623H, 623K LRC,...
3D0490
STUD-TAPERLOCK
120, 120B, 120G, 12E, 140, 140B, 14E, 14G, 16, 1693, 16G, 225, 24H, 24M, 3192, 3408, 3516B, 5130, 5130B, 518, 5230, 5230B, 528, 572G, 594, 611, 613C, 613C II, 613G, 615, 615C, 621, 621B, 621E, 621F, 6...
120, 120B, 120G, 12E, 140, 140B, 14E, 14G, 16, 1693, 16G, 225, 24H, 24M, 3192, 3408, 3516B, 5130, 5130B, 518, 5230, 5230B, 528, 572G, 594, 611, 613C, 613C II, 613G, 615, 615C, 621, 621B, 621E, 621F, 6...
6L4428
STUD-TAPERLOCK
1673, 24H, 3406B, 3406C, 3408, 3408B, 3408C, 3408E, 3412, 3412C, 3412D, 3412E, 3512, 3512B, 3512C, 3516, 3516B, 3516C, 5110B, 589, 631D, 631E, 631G, 633E II, 637D, 637E, 637G, 639D, 651E, 657E, 657G, ...
1673, 24H, 3406B, 3406C, 3408, 3408B, 3408C, 3408E, 3412, 3412C, 3412D, 3412E, 3512, 3512B, 3512C, 3516, 3516B, 3516C, 5110B, 589, 631D, 631E, 631G, 633E II, 637D, 637E, 637G, 639D, 651E, 657E, 657G, ...
1061792
STUD-TAPERLOCK
16G, 16H NA, 24H, 24M, 3406, 3406B, 3406C, 3406E, 3408, 3408B, 3408C, 3408E, 3412, 3412C, 3412D, 3412E, 3456, 365C, 365C L, 365C L MH, 374D L, 374F L, 375, 375 L, 385B, 385C, 385C FS, 385C L, 385C L M...
16G, 16H NA, 24H, 24M, 3406, 3406B, 3406C, 3406E, 3408, 3408B, 3408C, 3408E, 3412, 3412C, 3412D, 3412E, 3456, 365C, 365C L, 365C L MH, 374D L, 374F L, 375, 375 L, 385B, 385C, 385C FS, 385C L, 385C L M...
8T5414
STUD
2470C, 2570C, 2670C, 2864C, 416, 426, 428, 5130, 553C, 561M, 563C, 573C, 586C, 621H, 621K, 623H, 623K, 623K LRC, 627H, 627K, 627K LRC, 773F, 775F, 777F, 793D, 797, 797B, 797F, 814F, 814F II, 815F, 815...
2470C, 2570C, 2670C, 2864C, 416, 426, 428, 5130, 553C, 561M, 563C, 573C, 586C, 621H, 621K, 623H, 623K, 623K LRC, 627H, 627K, 627K LRC, 773F, 775F, 777F, 793D, 797, 797B, 797F, 814F, 814F II, 815F, 815...
2P1974
STUD-TAPERLOCK
225, 24H, 24M, 3304B, 3406B, 3406E, 3408, 3408B, 3408C, 3408E, 3412, 3412C, 3412D, 3412E, 5110B, 589, 621, 621F, 621G, 623, 627, 627F, 627G, 631D, 631E, 631G, 633E II, 637D, 637E, 637G, 641B, 650B, 65...
225, 24H, 24M, 3304B, 3406B, 3406E, 3408, 3408B, 3408C, 3408E, 3412, 3412C, 3412D, 3412E, 5110B, 589, 621, 621F, 621G, 623, 627, 627F, 627G, 631D, 631E, 631G, 633E II, 637D, 637E, 637G, 641B, 650B, 65...
3K3256
STUD-TAPERLOCK
16G, 16H NA, 245B, 24H, 3406B, 3406C, 3408, 3408B, 3408C, 3408E, 3412, 3412C, 3412D, 3412E, 375, 375 L, 5080, 5110B, 583R, 587R, 589, 594, 621B, 621E, 621F, 623E, 623F, 627B, 627E, 627F, 631D, 631E, 6...
16G, 16H NA, 245B, 24H, 3406B, 3406C, 3408, 3408B, 3408C, 3408E, 3412, 3412C, 3412D, 3412E, 375, 375 L, 5080, 5110B, 583R, 587R, 589, 594, 621B, 621E, 621F, 623E, 623F, 627B, 627E, 627F, 631D, 631E, 6...
3139550
STUD-TAPERLOCK
16G, 3406, 3406B, 3406C, 3406E, 3456, 3512C, 365C, 365C L, 365C L MH, 374D L, 385C, 385C FS, 385C L, 385C L MH, 390D, 390D L, 583T, 587T, 621B, 621G, 623F, 623G, 627F, 627G, 631D, 631E, 631G, 633E II,...
16G, 3406, 3406B, 3406C, 3406E, 3456, 3512C, 365C, 365C L, 365C L MH, 374D L, 385C, 385C FS, 385C L, 385C L MH, 390D, 390D L, 583T, 587T, 621B, 621G, 623F, 623G, 627F, 627G, 631D, 631E, 631G, 633E II,...
3935115
STUD-TAPERLOCK
772, 773F, 773G LRC, 773G OEM, 775F, 775G LRC, 775G OEM, 777C, 777D, 777F, 777G, 844H, 844K, 854K, 990H, 990K, 992K, 993K, C27, C32, D10T2, D11R, D11T
772, 773F, 773G LRC, 773G OEM, 775F, 775G LRC, 775G OEM, 777C, 777D, 777F, 777G, 844H, 844K, 854K, 990H, 990K, 992K, 993K, C27, C32, D10T2, D11R, D11T
8T7062
STUD-TAPERLOCK
24M, 3406E, 621B, 621G, 623G, 627F, 627G, 631D, 631E, 631G, 633E II, 637D, 637E, 637G, 657G, 735, 735B, 740, 740B, 770, 770G, 770G OEM, 772, 772G, 772G OEM, 773F, 773G, 773G LRC, 773G OEM, 775F, 775G,...
24M, 3406E, 621B, 621G, 623G, 627F, 627G, 631D, 631E, 631G, 633E II, 637D, 637E, 637G, 657G, 735, 735B, 740, 740B, 770, 770G, 770G OEM, 772, 772G, 772G OEM, 773F, 773G, 773G LRC, 773G OEM, 775F, 775G,...
3049553
STUD
24M, 735, 735B, 740, 740B, 770, 770G, 770G OEM, 772, 772G, 772G OEM, 773F, 773G, 773G OEM, 775F, 775G, 775G OEM, 777F, 777G, 834H, 834K, 844K, 854K, 988H, 988K, 990K, 992K, 993K, C15, C18, CX31-C15I, ...
24M, 735, 735B, 740, 740B, 770, 770G, 770G OEM, 772, 772G, 772G OEM, 773F, 773G, 773G OEM, 775F, 775G, 775G OEM, 777F, 777G, 834H, 834K, 844K, 854K, 988H, 988K, 990K, 992K, 993K, C15, C18, CX31-C15I, ...
2088661
STUD
834G, 834H, 836G, 836H, 988G, 988H
834G, 834H, 836G, 836H, 988G, 988H
1419481
STUD-TAPERLOCK
793F, 793F CMD, 793F OEM, 795F AC, 844, 854G, 990 II, 992G
793F, 793F CMD, 793F OEM, 795F AC, 844, 854G, 990 II, 992G
1756265
STUD
834B, 988F II
834B, 988F II
1455139
STUD
834B, 836, 988F II
834B, 836, 988F II
1126207
STUD-WELD
950F II, 960F
950F II, 960F
2678904
STUD
777F, 777G, 993K
777F, 777G, 993K
2486243
STUD
994F, 994H
994F, 994H
1600011
STUD-TAPERLOCK
120M, 12M, 140K, 140M, 160K, 160M, 2864C, 586C, 793D, 795F AC, 795F XQ, 797, 797B, 797F, 994F, 994H
120M, 12M, 140K, 140M, 160K, 160M, 2864C, 586C, 793D, 795F AC, 795F XQ, 797, 797B, 797F, 994F, 994H
2096791
STUD-WELD
844H, 990H
844H, 990H
1926221
STUD GP
980G II
980G II