The Cat Reman difference can be found in our commitment to deliver like new quality. From design and engineering to assembly and quality control, our top talent uses state-of-the-art techniques to create our line of over 8,000 Cat Reman products –– all backed by a same-as-new, 12-month Caterpillar Parts Warranty†.
† Limitations may apply. For complete details about the applicable Caterpillar Limited Warranty, contact an authorized Cat dealer.
parts.
The following parts are alternative Cat® Reman
Cat Reman
The Cat Reman difference can be found in our commitment to deliver like new quality. From design and engineering to assembly and quality control, our top talent uses state-of-the-art techniques to create our line of over 8,000 Cat Reman products –– all backed by a same-as-new, 12-month Caterpillar Parts Warranty†.
† Limitations may apply. For complete details about the applicable Caterpillar Limited Warranty, contact an authorized Cat dealer.
parts.
20R-6618 : Cat® Reman Cylinder Pack
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Description
Description
Description: A Piston assembly is a component of an internal combustion engine that converts the pressure generated by the combustion of fuel into mechanical energy. It consists of a piston, piston rings, wrist pin, and connecting rod. The piston is a cylindrical component that moves up and down inside the engine cylinder. It is typically made of aluminum alloy and has several grooves on its outer surface for the piston rings to fit into.
Attributes: • Resistant to high temperatures generated by the combustion of fuel in the engine cylinder. • Strong enough to withstand the forces generated by the explosion of fuel in the cylinder. • Durable and can withstand the wear and tear caused by the constant movement of the piston. • Hardness: 265 - 320 Brinell Hardness Number.
Applications: A Piston assembly is an essential component of internal combustion engines and is widely used in various applications where internal combustion engines are required. It is used in Cat 3516B, PM3516, 3512B, 3516B Gen, PM3512, 3508B, PMG3516, XQC1200, and XQC1600 Engine - Generator Set, 3516B, 3512B, 3508B, G3516J, SPF343, SPS343, SPT343, 3516E, G3508B, and XQ2280 Engine - Industrial, 5130B, 5230B, 5130, and 5230 Excavator, 793C, 777D, 785C, 785, 776D, 784C, 777B, 793D, 789B, 789, 3508B, 776C, MT4400D AC Off-highway Truck, TH48-E80 Petroleum Products, D11R, and D11N Track-type Tractor, 854G Wheel Dozer, 994D, 992G, 994F, 994H, and 994 Wheel-type Loader.
Warning:This product can expose you to chemicals including Lead and lead compounds, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
Description: A Piston assembly is a component of an internal combustion engine that converts the pressure generated by the combustion of fuel into mechanical energy. It consists of a piston, piston rings, wrist pin, and connecting rod. The piston is a cylindrical component that moves up and down inside the engine cylinder. It is typically made of aluminum alloy and has several grooves on its outer surface for the piston rings to fit into.
Attributes: • Resistant to high temperatures generated by the combustion of fuel in the engine cylinder. • Strong enough to withstand the forces generated by the explosion of fuel in the cylinder. • Durable and can withstand the wear and tear caused by the constant movement of the piston. • Hardness: 265 - 320 Brinell Hardness Number.
Applications: A Piston assembly is an essential component of internal combustion engines and is widely used in various applications where internal combustion engines are required. It is used in Cat 3516B, PM3516, 3512B, 3516B Gen, PM3512, 3508B, PMG3516, XQC1200, and XQC1600 Engine - Generator Set, 3516B, 3512B, 3508B, G3516J, SPF343, SPS343, SPT343, 3516E, G3508B, and XQ2280 Engine - Industrial, 5130B, 5230B, 5130, and 5230 Excavator, 793C, 777D, 785C, 785, 776D, 784C, 777B, 793D, 789B, 789, 3508B, 776C, MT4400D AC Off-highway Truck, TH48-E80 Petroleum Products, D11R, and D11N Track-type Tractor, 854G Wheel Dozer, 994D, 992G, 994F, 994H, and 994 Wheel-type Loader.
Warning:This product can expose you to chemicals including Lead and lead compounds, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
Specifications
Specifications
Units of MeasureUSMetric
Diameter (in): 6.69
Height (in): 6.89
Height (mm): 175
Diameter (mm): 169.92
Overall Length (in): 6.89
Overall Length (mm): 175
Material: Alloy Steel,Alloy Copper
Units of MeasureUSMetric
Diameter (in): 6.69
Height (in): 6.89
Height (mm): 175
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Compatible Models
Compatible Models
Generator
SR5SR4B
Generator Set
SR53516B GEN3516B3512B
Power Module
PM3516
Engine
3512B
Locomotive Engine
3516B3508B3512B
Petroleum Engine
3512B
Wheel Dozer
854G
Petroleum Gen Set
3512B
Wheel Loader
994D992G
Track-Type Tractor
D11RD11N
Marine Auxiliary
3512B
Mining Excavator
5230B5130B
Industrial Engine
3512B3516B
Truck
785789793D793C789C789D777B789B785C777D785D785B
Tractor
776D784C
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Generator
SR5SR4B
Warranty Information
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Parts diagram for 481-5615
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DiagramDescriptionSpecificationsCompatible Models
Parts diagram for 481-5615
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Description for part number 481-5615
Description: A Piston assembly is a component of an internal combustion engine that converts the pressure generated by the combustion of fuel into mechanical energy. It consists of a piston, piston rings, wrist pin, and connecting rod. The piston is a cylindrical component that moves up and down inside the engine cylinder. It is typically made of aluminum alloy and has several grooves on its outer surface for the piston rings to fit into.
Attributes: • Resistant to high temperatures generated by the combustion of fuel in the engine cylinder. • Strong enough to withstand the forces generated by the explosion of fuel in the cylinder. • Durable and can withstand the wear and tear caused by the constant movement of the piston. • Hardness: 265 - 320 Brinell Hardness Number.
Applications: A Piston assembly is an essential component of internal combustion engines and is widely used in various applications where internal combustion engines are required. It is used in Cat 3516B, PM3516, 3512B, 3516B Gen, PM3512, 3508B, PMG3516, XQC1200, and XQC1600 Engine - Generator Set, 3516B, 3512B, 3508B, G3516J, SPF343, SPS343, SPT343, 3516E, G3508B, and XQ2280 Engine - Industrial, 5130B, 5230B, 5130, and 5230 Excavator, 793C, 777D, 785C, 785, 776D, 784C, 777B, 793D, 789B, 789, 3508B, 776C, MT4400D AC Off-highway Truck, TH48-E80 Petroleum Products, D11R, and D11N Track-type Tractor, 854G Wheel Dozer, 994D, 992G, 994F, 994H, and 994 Wheel-type Loader.
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Warning:This product can expose you to chemicals including Lead and lead compounds, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
Shop Cat® reman cylinder pack for D3500 with 14.0:1 compression ratio and monotherm piston for machines compatible with 20R-6618. Experience the quality of Cat remanufactured parts.
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Factory Fit
This part is designed to fit your Cat equipment based on the manufacturer’s specifications.
Any changes to the manufacturer’s configuration might result in the product not fitting your Cat equipment. Please consult your Cat Dealer before purchasing to ensure that this part is appropriate for your Cat equipment in its current condition and assumed configuration. This indicator cannot guarantee compatibility for all parts.
Remanufactured
Non-Returnable
Kit
Replaced
Remanufactured
Non-Returnable
Kit
Replaced
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