20R0056 INJECTOR GP-FUEL Caterpillar parts
345B, 345B L
Rating:
Alternative (cross code) number:
CA20R0056
20R-0056
20R0056
CA20R0056
20R-0056
20R0056
Weight: 4 pounds 2 kg.
EXCAVATOR,
Related part:
3507555
INJECTOR GP-FUEL
20R0056
R
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US$565.00
28 May 2025
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Nayuank 6pcs Fuel Injector 20R-0056 350-7555 Fits For Caterpillar CAT Engine 3176 3176C 3196 C-10 C-12 Excavator 345B 365B
Nayuank Part Name: Fuel Injector || Part Number: 20R-0056 350-7555 Note: Please check the fitment carefully before purchase. Or just tell us the part number you need. || Engine Model: 3176 || Applicable: Fits For Caterpillar CAT Engine 3176 3176C 3196 C-10 C-12 Excavator 345B 365B || Package included: 6pcs Fuel Injector 20R-0056 350-7555
Nayuank Part Name: Fuel Injector || Part Number: 20R-0056 350-7555 Note: Please check the fitment carefully before purchase. Or just tell us the part number you need. || Engine Model: 3176 || Applicable: Fits For Caterpillar CAT Engine 3176 3176C 3196 C-10 C-12 Excavator 345B 365B || Package included: 6pcs Fuel Injector 20R-0056 350-7555
VIIKEND 6pcs Fuel Injector 20R-0056 350-7555 Compatible with Caterpillar CAT Engine 3176 3176C 3196 C-10 C-12 Excavator 345B 365B
VIIKEND Part Name: Fuel Injector || Part Number: 20R-0056 350-7555 Note: Please check the fitment carefully before purchase. Or just tell us the part number you need. || Engine Model: 3176 || Applicable: Compatible with Caterpillar CAT Engine 3176 3176C 3196 C-10 C-12 Excavator 345B 365B || Package included: 6pcs Fuel Injector 20R-0056 350-7555
VIIKEND Part Name: Fuel Injector || Part Number: 20R-0056 350-7555 Note: Please check the fitment carefully before purchase. Or just tell us the part number you need. || Engine Model: 3176 || Applicable: Compatible with Caterpillar CAT Engine 3176 3176C 3196 C-10 C-12 Excavator 345B 365B || Package included: 6pcs Fuel Injector 20R-0056 350-7555
Fits Compatible with Caterpillar CAT Engine 3176 3176C 3196 C-10 C-12 Excavator 345B 365B 1pcs Fuel Injector 20R-0056 350-7555
KBBYT Part Number： 20R-0056 350-7555 Note: Please check the fitment carefully before purchase. Or just tell us the part number you need. || Part Name: Fuel Injector || Compatible with Caterpillar CAT Engine models 3176, 3176C, 3196, C-10, C-12, as well as Excavator models 345B and 365B. This product is designed to fit precisely with the mentioned engine types, ensuring optimal performance and reliability. Ideal for use in various heavy-duty equipment and machinery applications. || The package includes one piece of fuel injector with the part number 20R-0056 350-7555.
KBBYT Part Number： 20R-0056 350-7555 Note: Please check the fitment carefully before purchase. Or just tell us the part number you need. || Part Name: Fuel Injector || Compatible with Caterpillar CAT Engine models 3176, 3176C, 3196, C-10, C-12, as well as Excavator models 345B and 365B. This product is designed to fit precisely with the mentioned engine types, ensuring optimal performance and reliability. Ideal for use in various heavy-duty equipment and machinery applications. || The package includes one piece of fuel injector with the part number 20R-0056 350-7555.
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Information:
Use this procedure to troubleshoot the electrical system if a problem is suspected with the engine starting system. Also, use this procedure if one of the following diagnostic codes is active or easily repeated.
Table 1
Diagnostic Codes Table
J1939 Code and Description Conditions which Generate this Code System Response
430-5
Engine Starter Solenoid Voltage : Current Below Normal The engine Electronic Control Module (ECM) detects an open in the circuit for the starter solenoid.
The ECM detects a short to battery voltage in the circuit for the starter relay.
The ECM can only detect this condition when the output driver is not activated. The code is logged.
430-6
Engine Starter Solenoid Voltage : Current Above Normal The ECM detects a short in the circuit for the starter solenoid.
The ECM can only detect this condition when the output driver is activated. The code is logged.
677-5
Engine Starter Motor Relay : Current Below Normal The engine Electronic Control Module (ECM) detects an open in the circuit for the starter relay.
The ECM detects a short to battery voltage in the circuit for the starter relay.
The ECM can only detect this condition when the output driver is not activated. The code is logged.
677-6
Engine Starter Motor Relay : Current Above Normal The ECM detects a short in the circuit for the starter relay.
The ECM can only detect this condition when the output driver is activated. The code is logged. Use this procedure to troubleshoot the electrical system if a problem is suspected with the starting system.The ECM is provided with the ability to begin the engine cranking at any time after the ECM has received keyswitch power. The ECM receives the start command via the global CAN data link. Once this request is received, the engine is placed into the "Prestart State" of the control for the engine state. If the engine is equipped with a prelubrication system, the engine will wait until the prelube cycle has been completed before initiating engine cranking.Configuration ParametersThe settings of the following configuration parameters control engine starting:
Starting System #1 Maximum Number of Crank Cycles
Starting System #1 Crank Duration
Crank Terminate RPMConfiguration parameters for Starting System #2 are also available. Refer to Troubleshooting, "Configuration Parameters" for information that is related to these parameters.
Illustration 1 g03326277
Schematic for the engine starting system
There are also configuration parameters that are used to configure the ECM for the type and the location of the starting motors. The following types of starting motors can be used on this engine:
Air starting motor
Electric starting motorThe wiring for each of these types of engine starting circuits is similar. Follow this procedure in order to troubleshoot the circuit diagnostics for any of these types of engine starting system.The ECM can control a secondary starting system that is installed on the engine opposite the primary starting system. Refer to Troubleshooting, "Configuration Parameters" for information that is related to the configuration parameters that are for the secondary starting system.ECM Activation of the Starting MotorsThe ECM utilizes two output drivers in order to crank the engine. Each output driver is provided with
Table 1
Diagnostic Codes Table
J1939 Code and Description Conditions which Generate this Code System Response
430-5
Engine Starter Solenoid Voltage : Current Below Normal The engine Electronic Control Module (ECM) detects an open in the circuit for the starter solenoid.
The ECM detects a short to battery voltage in the circuit for the starter relay.
The ECM can only detect this condition when the output driver is not activated. The code is logged.
430-6
Engine Starter Solenoid Voltage : Current Above Normal The ECM detects a short in the circuit for the starter solenoid.
The ECM can only detect this condition when the output driver is activated. The code is logged.
677-5
Engine Starter Motor Relay : Current Below Normal The engine Electronic Control Module (ECM) detects an open in the circuit for the starter relay.
The ECM detects a short to battery voltage in the circuit for the starter relay.
The ECM can only detect this condition when the output driver is not activated. The code is logged.
677-6
Engine Starter Motor Relay : Current Above Normal The ECM detects a short in the circuit for the starter relay.
The ECM can only detect this condition when the output driver is activated. The code is logged. Use this procedure to troubleshoot the electrical system if a problem is suspected with the starting system.The ECM is provided with the ability to begin the engine cranking at any time after the ECM has received keyswitch power. The ECM receives the start command via the global CAN data link. Once this request is received, the engine is placed into the "Prestart State" of the control for the engine state. If the engine is equipped with a prelubrication system, the engine will wait until the prelube cycle has been completed before initiating engine cranking.Configuration ParametersThe settings of the following configuration parameters control engine starting:
Starting System #1 Maximum Number of Crank Cycles
Starting System #1 Crank Duration
Crank Terminate RPMConfiguration parameters for Starting System #2 are also available. Refer to Troubleshooting, "Configuration Parameters" for information that is related to these parameters.
Illustration 1 g03326277
Schematic for the engine starting system
There are also configuration parameters that are used to configure the ECM for the type and the location of the starting motors. The following types of starting motors can be used on this engine:
Air starting motor
Electric starting motorThe wiring for each of these types of engine starting circuits is similar. Follow this procedure in order to troubleshoot the circuit diagnostics for any of these types of engine starting system.The ECM can control a secondary starting system that is installed on the engine opposite the primary starting system. Refer to Troubleshooting, "Configuration Parameters" for information that is related to the configuration parameters that are for the secondary starting system.ECM Activation of the Starting MotorsThe ECM utilizes two output drivers in order to crank the engine. Each output driver is provided with
Caterpillar parts catalog:
Parts injector Caterpillar catalog:
16H, 345B, 345B II, 345B II MH, 345B L, 365B, 365B II, 365B L, 725, 972G II, C-10, C-12, CPT372, R1600G, W345B II
345B, 345B L, C-10
345B, 345B L
345B, 345B L
2924086
INJECTOR AS
16M, 24M
16M, 24M
2P3427
INJECTOR KIT (alcohol)
D9G, D9H
D9G, D9H
D9G, D9H
320D2, 320D2 GC, 320D2 L
320D, 320D FM, 320D FM RR, 320D GC, 320D L, 320D LN, 320D LRR, 320D RR, 321D LCR, 323D L, 323D LN, 323D SA
4760742
INJECTOR GP-FUEL
Caterpillar
Caterpillar
Caterpillar
Caterpillar
Caterpillar
Caterpillar
Caterpillar