1556635 GEAR Caterpillar parts
3406E, 3456, C-15, C-16, C-18, C16, C18
Rating:
Alternative (cross code) number:
CA1556635
155-6635
1556635
CA1556635
155-6635
1556635
Weight: 5 pounds 2 kg.
INDUSTRIAL ENGINE, TRUCK ENGINE,
This part in 2 request:
Show.
This information for suppliers only!
2025-07-03
2023-09-07
Compatible equipment models: 1556635:
Information:
You must read and understand the warnings and instructions contained in the Safety section of this manual before performing any operation or maintenance procedures.Before proceeding with this maintenance, perform all previous maintenance interval requirements.Water Pumps and Fuel Transfer Pump
Inspect/Replace Seals
Jacket Water Pump
Separate Circuit Aftercooler Water Pump
Fuel Transfer PumpVisually inspect the water pumps and fuel transfer pump for leaks. If leaking is observed, replace all seals. Refer to the Service Manual for the procedure to replace the seals.Inspect the component for wear, cracks, pin holes and proper operation. If repairs or replacement is needed, see the Service Manual or contact your Caterpillar dealer.Maintenance Options
Rebuild with New Parts - Genuine Caterpillar parts are constantly tested and modified to incorporate the latest design advancements. Your Caterpillar dealer can rebuild or provide the parts needed for overhauling the components. Your benefit; long lasting replacement parts at competitive prices. New Components - Replace worn or failing components with new components. Repair Kits - These useful kits can be obtained from your Caterpillar dealer. These kits include all the necessary parts and instructions to repair the components, in either the owner's maintenance shop or at a Caterpillar servicing dealer's facility. Repair kits simplify parts ordering, help speed repairs and reduce parts cost. Exchange - This cost-cutting service permits you to exchange worn engine components for quality Caterpillar Remanufactured or Caterpillar dealer rebuilt components on an over-the-counter basis. When you need them, these parts are ready for a substantial savings in both time and money. Caterpillar Factory Remanufactured Components - The latest remanufacturing techniques and procedures are used to restore components to like-new performance capability and to Caterpillar's original functional specifications. Usually Caterpillar Remanufactured Components have a warranty identical to that of a new part. Remanufactured parts may not be available in your area. Contact your Caterpillar dealer for information.Before deciding which method is best, make sure all of the options and costs associated with repair have been considered. Some considerations are:* The costs associated with using separate parts from inventory versus the cost of a repair kit.* Downtime costs while the product is being rebuilt or repaired.* Total parts and labor costs for repairs versus the actual Remanufactured cost.* Remanufactured components from Caterpillar (if available) are covered by a standard, factory warranty.Caterpillar Recommendation
To minimize downtime, Caterpillar recommends that the use of Remanufactured components (subject to availability) is the most cost effective option.If there is a component you need, contact your Caterpillar dealer to see if it is offered under his Dealer Exchange Component Program.Removal and Installation
Refer to the established procedure in the Service Manual for this engine to remove and install these components or contact your Caterpillar dealer for assistance.Woodward Governor/Actuator
Replace Oil
Drain
1. Install a 1/8 NPT nipple into the petcock and attach a drain tube to it. Place the other end of the drain tube in a suitable container to catch the oil. 2. Remove the plug from the top of the actuator or sight gauge, open the petcock, and drain the oil
Inspect/Replace Seals
Jacket Water Pump
Separate Circuit Aftercooler Water Pump
Fuel Transfer PumpVisually inspect the water pumps and fuel transfer pump for leaks. If leaking is observed, replace all seals. Refer to the Service Manual for the procedure to replace the seals.Inspect the component for wear, cracks, pin holes and proper operation. If repairs or replacement is needed, see the Service Manual or contact your Caterpillar dealer.Maintenance Options
Rebuild with New Parts - Genuine Caterpillar parts are constantly tested and modified to incorporate the latest design advancements. Your Caterpillar dealer can rebuild or provide the parts needed for overhauling the components. Your benefit; long lasting replacement parts at competitive prices. New Components - Replace worn or failing components with new components. Repair Kits - These useful kits can be obtained from your Caterpillar dealer. These kits include all the necessary parts and instructions to repair the components, in either the owner's maintenance shop or at a Caterpillar servicing dealer's facility. Repair kits simplify parts ordering, help speed repairs and reduce parts cost. Exchange - This cost-cutting service permits you to exchange worn engine components for quality Caterpillar Remanufactured or Caterpillar dealer rebuilt components on an over-the-counter basis. When you need them, these parts are ready for a substantial savings in both time and money. Caterpillar Factory Remanufactured Components - The latest remanufacturing techniques and procedures are used to restore components to like-new performance capability and to Caterpillar's original functional specifications. Usually Caterpillar Remanufactured Components have a warranty identical to that of a new part. Remanufactured parts may not be available in your area. Contact your Caterpillar dealer for information.Before deciding which method is best, make sure all of the options and costs associated with repair have been considered. Some considerations are:* The costs associated with using separate parts from inventory versus the cost of a repair kit.* Downtime costs while the product is being rebuilt or repaired.* Total parts and labor costs for repairs versus the actual Remanufactured cost.* Remanufactured components from Caterpillar (if available) are covered by a standard, factory warranty.Caterpillar Recommendation
To minimize downtime, Caterpillar recommends that the use of Remanufactured components (subject to availability) is the most cost effective option.If there is a component you need, contact your Caterpillar dealer to see if it is offered under his Dealer Exchange Component Program.Removal and Installation
Refer to the established procedure in the Service Manual for this engine to remove and install these components or contact your Caterpillar dealer for assistance.Woodward Governor/Actuator
Replace Oil
Drain
1. Install a 1/8 NPT nipple into the petcock and attach a drain tube to it. Place the other end of the drain tube in a suitable container to catch the oil. 2. Remove the plug from the top of the actuator or sight gauge, open the petcock, and drain the oil
Caterpillar parts catalog:
Parts gear Caterpillar catalog:
1878979
GEAR AS
24M, 3406E, 3456, 374F L, 385C, 385C FS, 385C L, 385C L MH, 390D, 390D L, 631E, 631G, 633E II, 637E, 637G, 657E, 657G, 735B, 740B, 772, 834H, 836H, 988H, AD45B, AD55, C-18, C15, C18, C18 I6, D9T, PM-2...
24M, 3406E, 3456, 374F L, 385C, 385C FS, 385C L, 385C L MH, 390D, 390D L, 631E, 631G, 633E II, 637E, 637G, 657E, 657G, 735B, 740B, 772, 834H, 836H, 988H, AD45B, AD55, C-18, C15, C18, C18 I6, D9T, PM-2...
1019640
GEAR
3406E, 3456, 621B, 621G, 623G, 627F, 627G, 631D, 631E, 631G, 633E II, 637D, 637E, 637G, 651B, 657B, 657E, 657G, 824C, C-15, C-16, C-18, C15, C18, PM-200, PM-201
3406E, 3456, 621B, 621G, 623G, 627F, 627G, 631D, 631E, 631G, 633E II, 637D, 637E, 637G, 651B, 657B, 657E, 657G, 824C, C-15, C-16, C-18, C15, C18, PM-200, PM-201
1878981
GEAR-CRANKSHAFT
24M, 3456, 374F L, 385C, 385C FS, 385C L, 385C L MH, 390D, 390D L, 631E, 631G, 633E II, 637E, 637G, 657E, 657G, 735B, 740B, 772, 834H, 836H, 988H, AD45B, AD55, C-18, C15, C18, C18 I6, D9T, PM-200, PM-...
24M, 3456, 374F L, 385C, 385C FS, 385C L, 385C L MH, 390D, 390D L, 631E, 631G, 633E II, 637E, 637G, 657E, 657G, 735B, 740B, 772, 834H, 836H, 988H, AD45B, AD55, C-18, C15, C18, C18 I6, D9T, PM-200, PM-...
7W6528
GEAR-PUMP
3408, 365C, 365C L, 365C L MH, 374D L, 374F L, 375, 375 L, 385B, 385C, 385C FS, 385C L, 385C L MH, 390D, 390D L, 390F L, 5080, 5090B, 5110B, 578, 583R, 587R, 589, C-15, C-16, C15, C18, D10N, D10R, D10...
3408, 365C, 365C L, 365C L MH, 374D L, 374F L, 375, 375 L, 385B, 385C, 385C FS, 385C L, 385C L MH, 390D, 390D L, 390F L, 5080, 5090B, 5110B, 578, 583R, 587R, 589, C-15, C-16, C15, C18, D10N, D10R, D10...
7W7141
GEAR-PUMP
3408, 365C, 365C L, 365C L MH, 374D L, 374F L, 375, 375 L, 385B, 385C, 385C FS, 385C L, 385C L MH, 390D, 390D L, 390F L, 5080, 5090B, 5110B, 578, 583R, 587R, 589, C-15, C-16, C15, C18, D10N, D10R, D10...
3408, 365C, 365C L, 365C L MH, 374D L, 374F L, 375, 375 L, 385B, 385C, 385C FS, 385C L, 385C L MH, 390D, 390D L, 390F L, 5080, 5090B, 5110B, 578, 583R, 587R, 589, C-15, C-16, C15, C18, D10N, D10R, D10...
7W7142
GEAR
245, 3406B, 3406C, 3406E, 3408, 375, 375 L, 385B, 5080, 5090B, 578, 583R, C-15, C-16, C15, D8N, D8R, D8R II, D9T
245, 3406B, 3406C, 3406E, 3408, 375, 375 L, 385B, 5080, 5090B, 578, 583R, C-15, C-16, C15, D8N, D8R, D8R II, D9T
2W7615
GEAR-IDLER
24H, 3406B, 3406C, 3406E, 3456, 589, 834B, 836, 988B, AD40, AD45, AE40, AE40 II, C-15, C-16, C-18, C15, C18, CX31-C15I, CX35-P800, D10N, D10R, D350E, D400E, D40D, D8L, D9L, D9N, D9R, PM-565, PM-565B, ...
24H, 3406B, 3406C, 3406E, 3456, 589, 834B, 836, 988B, AD40, AD45, AE40, AE40 II, C-15, C-16, C-18, C15, C18, CX31-C15I, CX35-P800, D10N, D10R, D350E, D400E, D40D, D8L, D9L, D9N, D9R, PM-565, PM-565B, ...
9Y2094
GEAR AS-CRANKSHAFT
735, 735B, 740, 740B, C-16, D350E II, D400E II, D8N, D8R, D8R II, RM-350B, SM-350
735, 735B, 740, 740B, C-16, D350E II, D400E II, D8N, D8R, D8R II, RM-350B, SM-350
9Y1981
GEAR AS-IDLER
735, 735B, 740, 740B, C-16, D350E II, D400E II, D8N, D8R, D8R II, PM-465, RM-350B, SM-350
735, 735B, 740, 740B, C-16, D350E II, D400E II, D8N, D8R, D8R II, PM-465, RM-350B, SM-350
9Y1985
GEAR AS-IDLER
735, 735B, 740, 740B, C-16, D350E II, D400E II, D8N, D8R, D8R II, PM-465, RM-350B, SM-350
735, 735B, 740, 740B, C-16, D350E II, D400E II, D8N, D8R, D8R II, PM-465, RM-350B, SM-350
2W0494
GEAR AS-IDLER
365C, 365C L, 365C L MH, 374D L, 374F L, 375, 375 L, 385B, 385C, 385C FS, 385C L, 385C L MH, 390D, 390D L, 390F L, 5080, 5090B, 578, 583R, 587R, 587T, C-16, C18, D8N, PL87
365C, 365C L, 365C L MH, 374D L, 374F L, 375, 375 L, 385B, 385C, 385C FS, 385C L, 385C L MH, 390D, 390D L, 390F L, 5080, 5090B, 578, 583R, 587R, 587T, C-16, C18, D8N, PL87
2W0493
GEAR AS-IDLER
365C, 365C L, 365C L MH, 374D L, 374F L, 375, 375 L, 385B, 385C, 385C FS, 385C L, 385C L MH, 390D, 390D L, 390F L, 5080, 5090B, 578, 583R, 587R, 587T, C-16, C18, D8N, PL87
365C, 365C L, 365C L MH, 374D L, 374F L, 375, 375 L, 385B, 385C, 385C FS, 385C L, 385C L MH, 390D, 390D L, 390F L, 5080, 5090B, 578, 583R, 587R, 587T, C-16, C18, D8N, PL87
1887125
GEAR AS
3126B, 3126E, C7
3126B, 3126E, C7
1887117
GEAR-ADAPTER
3126B, 3126E, C7
3126B, 3126E, C7
1887114
GEAR AS-IDLER
3126B, 3126E, C7
3126B, 3126E, C7
3890836
GEAR GP-FRONT
3126B, 3126E
3126B, 3126E
2W7615
GEAR-IDLER
24H, 3406B, 3406C, 3406E, 3456, 589, 834B, 836, 988B, AD40, AD45, AE40, AE40 II, C-15, C-16, C-18, C15, C18, CX31-C15I, CX35-P800, D10N, D10R, D350E, D400E, D40D, D8L, D9L, D9N, D9R, PM-565, PM-565B, ...
24H, 3406B, 3406C, 3406E, 3456, 589, 834B, 836, 988B, AD40, AD45, AE40, AE40 II, C-15, C-16, C-18, C15, C18, CX31-C15I, CX35-P800, D10N, D10R, D350E, D400E, D40D, D8L, D9L, D9N, D9R, PM-565, PM-565B, ...
5N9231
GEAR AS-CRANKSHAFT
3406B, 3406C, 3406E, 3456, C-15, C-16, C-18, C15, C18, CX31-C15I, CX35-P800, TH35-C15I
3406B, 3406C, 3406E, 3456, C-15, C-16, C-18, C15, C18, CX31-C15I, CX35-P800, TH35-C15I
1552946
GEAR
3176C, 3196, 725, 730, C-10, C-12, C11, C13, CX31-C13I, TH35-C11I, TH35-C13I
3176C, 3196, 725, 730, C-10, C-12, C11, C13, CX31-C13I, TH35-C11I, TH35-C13I
1878196
GEAR AS
735, 735B, 740, 740B, C-16, D350E II, D400E II, D8N, D8R, D8R II, PM-465, RM-350B
735, 735B, 740, 740B, C-16, D350E II, D400E II, D8N, D8R, D8R II, PM-465, RM-350B
9Y1985
GEAR AS-IDLER
735, 735B, 740, 740B, C-16, D350E II, D400E II, D8N, D8R, D8R II, PM-465, RM-350B, SM-350
735, 735B, 740, 740B, C-16, D350E II, D400E II, D8N, D8R, D8R II, PM-465, RM-350B, SM-350
1878197
GEAR AS
735, 735B, 740, 740B, C-16, D350E II, D400E II, D8N, D8R, D8R II, PM-465, RM-350B
735, 735B, 740, 740B, C-16, D350E II, D400E II, D8N, D8R, D8R II, PM-465, RM-350B
9Y1981
GEAR AS-IDLER
735, 735B, 740, 740B, C-16, D350E II, D400E II, D8N, D8R, D8R II, PM-465, RM-350B, SM-350
735, 735B, 740, 740B, C-16, D350E II, D400E II, D8N, D8R, D8R II, PM-465, RM-350B, SM-350
9Y2094
GEAR AS-CRANKSHAFT
735, 735B, 740, 740B, C-16, D350E II, D400E II, D8N, D8R, D8R II, RM-350B, SM-350
735, 735B, 740, 740B, C-16, D350E II, D400E II, D8N, D8R, D8R II, RM-350B, SM-350