5048282 CRANKSHAFT GP Caterpillar parts
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CA5048282
504-8282
5048282
CA5048282
504-8282
5048282
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3054C Engine Crankshaft 5048282 C4.4 Crankshaft Compatible With Excavator 3642829 Perkins 1104C 1104D ZZ90237 1070992 OR4688-1
YWQGNDJZ Surface smoothness : Precision grinding ensures surface roughness and reduces friction || Phase angle control : The phase angle between cams of each cylinder is strictly controlled to match the engine working cycle || Lift curve optimization : The cam profile is optimized by hydrodynamic calculation to achieve the best intake and exhaust efficiency || Accurate cam contour ： The contour shape of each cam is designed accurately to ensure accurate valve opening and closing timing || 3054C Engine Crankshaft 5048282 C4.4 Crankshaft Compatible With Excavator 3642829 Perkins 1104C 1104D ZZ90237 1070992 OR4688-1
YWQGNDJZ Surface smoothness : Precision grinding ensures surface roughness and reduces friction || Phase angle control : The phase angle between cams of each cylinder is strictly controlled to match the engine working cycle || Lift curve optimization : The cam profile is optimized by hydrodynamic calculation to achieve the best intake and exhaust efficiency || Accurate cam contour ： The contour shape of each cam is designed accurately to ensure accurate valve opening and closing timing || 3054C Engine Crankshaft 5048282 C4.4 Crankshaft Compatible With Excavator 3642829 Perkins 1104C 1104D ZZ90237 1070992 OR4688-1
3054C Engine Crankshaft 5048282 C4.4 Crankshaft Compatible For Excavator 3642829 Compatible For Perkins 1104C 1104D ZZ90237 1070992 OR4688-1
FQCYGXGXP Our product is forged from 42CrMo alloy steel, with a tensile strength of 1200MPa and a yield strength exceeding 950MPa. Its impact resistance is 50% higher than that of ordinary carbon steel, and it is suitable for high load engine conditions. || This product is formed through a 30000 ton hot forging process, with complete metal fiber flow lines, avoiding forging defects, ensuring uniform mechanical properties of the crankshaft as a whole, and extending its service life to over 300000 kilometers. || This product strictly follows the original factory drawings for processing, with the diameter tolerance of the main journal and connecting rod journal controlled within ± 0.005mm, perfectly matching the original car bearings, and does not require additional running in after replacement. || The surfaces of the main journal and connecting rod journal are treated with gas nitriding, resulting in a hardness of HV850 or higher and a 40% increase in wear resistance, reducing friction losses between the journal and bearings. || 3054C Engine Crankshaft 5048282 C4.4 Crankshaft Compatible For Excavator 3642829 Compatible For Perkins 1104C 1104D ZZ90237 1070992 OR4688-1
FQCYGXGXP Our product is forged from 42CrMo alloy steel, with a tensile strength of 1200MPa and a yield strength exceeding 950MPa. Its impact resistance is 50% higher than that of ordinary carbon steel, and it is suitable for high load engine conditions. || This product is formed through a 30000 ton hot forging process, with complete metal fiber flow lines, avoiding forging defects, ensuring uniform mechanical properties of the crankshaft as a whole, and extending its service life to over 300000 kilometers. || This product strictly follows the original factory drawings for processing, with the diameter tolerance of the main journal and connecting rod journal controlled within ± 0.005mm, perfectly matching the original car bearings, and does not require additional running in after replacement. || The surfaces of the main journal and connecting rod journal are treated with gas nitriding, resulting in a hardness of HV850 or higher and a 40% increase in wear resistance, reducing friction losses between the journal and bearings. || 3054C Engine Crankshaft 5048282 C4.4 Crankshaft Compatible For Excavator 3642829 Compatible For Perkins 1104C 1104D ZZ90237 1070992 OR4688-1
3054C Engine Crankshaft 5048282 C4 4 Crankshaft Compatible With Excavator 3642829 Fits 1104C 1104D ZZ90237 1070992 OR4688 1 Replacement Part
JAECQDDM Compatible with multiple engine models including 3054C 1104C and 1104D for versatile use || Designed for excavators and heavy-duty machinery requiring reliable crankshaft performance || replacement part with OEM reference numbers 5048282 and 3642829 for easy identification || construction ensures performance under demanding working conditions || Fits various part numbers such as ZZ90237 1070992 and OR4688-1 for broad application coverage || -engineered to meet specifications for smooth engine || Ideal for maintenance and repair projects to restore engine functionality efficiently
JAECQDDM Compatible with multiple engine models including 3054C 1104C and 1104D for versatile use || Designed for excavators and heavy-duty machinery requiring reliable crankshaft performance || replacement part with OEM reference numbers 5048282 and 3642829 for easy identification || construction ensures performance under demanding working conditions || Fits various part numbers such as ZZ90237 1070992 and OR4688-1 for broad application coverage || -engineered to meet specifications for smooth engine || Ideal for maintenance and repair projects to restore engine functionality efficiently
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Installation of New Rain Caps
The orientation of the Diesel Oxidation Catalyst (DOC) on some customers well service trailers cause the rain caps to face the front trailer. This position creates the potential for the caps to open when transporting the trailers. In order to correct this issue, a new style of rain caps has been developed. New rain caps are being shipped to the local servicing dealers that have been identified by Global Petroleum
Illustration 1 g03588155
Incorrect installation of the rain caps. (1) Rain cap
Illustration 2 g03588153
Correct installation of the rain caps. (1) Rain capInvestigation of Mixing Tube Fit-Up
There have been some reports of the weld quality not being acceptable on the mixing tube joint. A field investigation is required to make sure that the mixing tube is mating up properly with the air intake piping. Mixing tubes have been shipped out to the local dealers if the mixing tubes need to be replaced.
Illustration 3 g03588168
(1) Mixing tube
Illustration 4 g03588171
(2) Bad weldSpeed Timing Sensor Wire Locations
All of the current DGB harnesses in the field have been found to have a wiring issue for the speed timing calibration sensor. This issue can cause speed instability in both Diesel Only and DGB modes, but does not always cause an issue. The wiring in the J1 (70 pin) ECM connector needs switch around. Switch the purple and pink wires for the timing calibration. The two wires are on 32 and 33 refer to Illustration 5 below. Once the wires are corrected, perform a new timing calibration.Note: The purple wire needs to be on 32 and the pink wire needs to be on 33.
Illustration 5 g03588200
Typical incorrect drawing for the timing calibration wiring in the field.Installation of the Most Recent Engine ECM Software
The DGB software on the oil well service units was not allowing the J1939 output for percent substitution to go above 62.5 percent. This issue has been resolved in the most recent versions of software. Below is the list of most recent software for each rating.The new software part numbers for ATAAC engines are listed in Table 1.
Table 1
Rating Torque Rise New Software Former Software
2250@1900 7 455-9538 448-4927
2500@1900 7 455-9202 425-0607
2250@1900 1.6 455-9537 448-1169 The new software part numbers for SCAC engines are listed in Table 2.
Table 2
Rating Torque Rise New Software Former Software
2250@1900 7 456-0314 452-1900
2500@1900 7 455-9198 451-7387
2250@1900 1.6 456-0315 452-1902 Installation of the Ladder Clip for the Fuel Valve Connector
A 4P-8134 Clip for the fuel valve is added to all of the DGB kits.
Illustration 6 g03588237
(1) 4P-8134 Clip Engine Turbocharger Compressor Inlet Pressure Sensor Wiring
Note: This procedure only applies to R2A and RTX serial number prefixes with a 435-0427 Engine Harness As .When the unit has active event codes 1176-3 and 1177-3 for Engine Turbocharger Compressor Inlet Pressure : Voltage Above Normal, the wires were installed
The orientation of the Diesel Oxidation Catalyst (DOC) on some customers well service trailers cause the rain caps to face the front trailer. This position creates the potential for the caps to open when transporting the trailers. In order to correct this issue, a new style of rain caps has been developed. New rain caps are being shipped to the local servicing dealers that have been identified by Global Petroleum
Illustration 1 g03588155
Incorrect installation of the rain caps. (1) Rain cap
Illustration 2 g03588153
Correct installation of the rain caps. (1) Rain capInvestigation of Mixing Tube Fit-Up
There have been some reports of the weld quality not being acceptable on the mixing tube joint. A field investigation is required to make sure that the mixing tube is mating up properly with the air intake piping. Mixing tubes have been shipped out to the local dealers if the mixing tubes need to be replaced.
Illustration 3 g03588168
(1) Mixing tube
Illustration 4 g03588171
(2) Bad weldSpeed Timing Sensor Wire Locations
All of the current DGB harnesses in the field have been found to have a wiring issue for the speed timing calibration sensor. This issue can cause speed instability in both Diesel Only and DGB modes, but does not always cause an issue. The wiring in the J1 (70 pin) ECM connector needs switch around. Switch the purple and pink wires for the timing calibration. The two wires are on 32 and 33 refer to Illustration 5 below. Once the wires are corrected, perform a new timing calibration.Note: The purple wire needs to be on 32 and the pink wire needs to be on 33.
Illustration 5 g03588200
Typical incorrect drawing for the timing calibration wiring in the field.Installation of the Most Recent Engine ECM Software
The DGB software on the oil well service units was not allowing the J1939 output for percent substitution to go above 62.5 percent. This issue has been resolved in the most recent versions of software. Below is the list of most recent software for each rating.The new software part numbers for ATAAC engines are listed in Table 1.
Table 1
Rating Torque Rise New Software Former Software
2250@1900 7 455-9538 448-4927
2500@1900 7 455-9202 425-0607
2250@1900 1.6 455-9537 448-1169 The new software part numbers for SCAC engines are listed in Table 2.
Table 2
Rating Torque Rise New Software Former Software
2250@1900 7 456-0314 452-1900
2500@1900 7 455-9198 451-7387
2250@1900 1.6 456-0315 452-1902 Installation of the Ladder Clip for the Fuel Valve Connector
A 4P-8134 Clip for the fuel valve is added to all of the DGB kits.
Illustration 6 g03588237
(1) 4P-8134 Clip Engine Turbocharger Compressor Inlet Pressure Sensor Wiring
Note: This procedure only applies to R2A and RTX serial number prefixes with a 435-0427 Engine Harness As .When the unit has active event codes 1176-3 and 1177-3 for Engine Turbocharger Compressor Inlet Pressure : Voltage Above Normal, the wires were installed
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