3B4125 CONE Caterpillar parts
980, 980B, D25C, D350C, D35C, D35HP, D400, D40D, D550B
Rating:
Alternative (cross code) number:
CA3B4125
3B-4125
3B4125
CA3B4125
3B-4125
3B4125
Weight: 2 pounds 1 kg.
ARTICULATED TRUCK, WHEEL LOADER,
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$66.19
12 Apr 2023
US: Florida-Parts-Z
3B4125 - Bearing Taper Cone for Caterpillar (CAT)
FIRST PRICE PARTS
FIRST PRICE PARTS
$59.23
04 Mar 2019
CATERPILLAR AFTERMARKET: CATERPILLAR AFT
Caterpillar Cone 3B4125 New
$66.62
04 Mar 2019
300 Hundredths Pounds
CTP: CTP
3B4125 Cone Fits Caterpillar
Warranty
Warranty
Number on catalog scheme:
8
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Compatible equipment models: 3B4125:
Information:
Testing A Brushless Exciter Rotating Rectifier With An Ohmmeter
Table 1
Tools Needed
Part Number Part Name Quantity
237-5130 Digital Multimeter 1
257-9140 Multimeter 1
146-4080 Digital Multimeter (RS-232) 1
7X-1710 Multimeter Probe Group 1
Illustration 1 g00555106 If the failure of a rectifier is suspected, use the following procedure.
Remove the cover from the exciter.
Remove the nut that secures the rectifier to the heat sink.
Remove the diode lead.
Lift the rectifier from the heat sink.
Refer to Illustration 1. Connect the ohmmeter's leads across the rectifier. Note the meter reading.
Reverse the ohmmeter leads. Note the meter reading. The ohmmeter should indicate a low resistance when the ohmmeter leads are across the rectifier in one direction. The ohmmeter should indicate a high resistance when the leads are reversed.If the ohmmeter indicates a low resistance in both directions, the rectifier is shorted. A high resistance in both directions indicates an open rectifier.Replace any faulty rectifiers with rectifiers that have comparable operating characteristics. Include the following information when a rectifier is being ordered for replacement:
Part Number of the rectifier
Model number of the exciter
Type of the exciter
Serial number of the generatorTesting a Brushless Exciter Rotating Rectifier With A Test Light
Illustration 2 g00555113
Test Light
If an ohmmeter is not available, a rectifier can be tested by using a test light. A test light consists of two standard flashlight batteries and a flashlight bulb. Refer to Illustration 2. If the failure of a rectifier is suspected, use the following procedure.
Remove the cover from the exciter.
Remove the nut that secures the rectifier to the heat sink.
Remove the diode lead.
Lift the rectifier from the heat sink.
Connect the leads of the test light across the rectifier. Notice if the bulb is illuminated.
Reverse the leads of the test light across the rectifier. Notice if the bulb is illuminated. The bulb should be illuminated when the leads of the test light are across the rectifier in one direction. The bulb should not be illuminated when the leads are reversed.If the bulb is illuminated in both directions, the rectifier is shorted. If the bulb is not illuminated in either direction, the rectifier is open.Replace any faulty rectifiers with rectifiers that have comparable operating characteristics. Include the following information when a rectifier is being ordered for replacement:
Part Number of the rectifier
Model number of the exciter
Type of the exciter
Serial number of the generator
Table 1
Tools Needed
Part Number Part Name Quantity
237-5130 Digital Multimeter 1
257-9140 Multimeter 1
146-4080 Digital Multimeter (RS-232) 1
7X-1710 Multimeter Probe Group 1
Illustration 1 g00555106 If the failure of a rectifier is suspected, use the following procedure.
Remove the cover from the exciter.
Remove the nut that secures the rectifier to the heat sink.
Remove the diode lead.
Lift the rectifier from the heat sink.
Refer to Illustration 1. Connect the ohmmeter's leads across the rectifier. Note the meter reading.
Reverse the ohmmeter leads. Note the meter reading. The ohmmeter should indicate a low resistance when the ohmmeter leads are across the rectifier in one direction. The ohmmeter should indicate a high resistance when the leads are reversed.If the ohmmeter indicates a low resistance in both directions, the rectifier is shorted. A high resistance in both directions indicates an open rectifier.Replace any faulty rectifiers with rectifiers that have comparable operating characteristics. Include the following information when a rectifier is being ordered for replacement:
Part Number of the rectifier
Model number of the exciter
Type of the exciter
Serial number of the generatorTesting a Brushless Exciter Rotating Rectifier With A Test Light
Illustration 2 g00555113
Test Light
If an ohmmeter is not available, a rectifier can be tested by using a test light. A test light consists of two standard flashlight batteries and a flashlight bulb. Refer to Illustration 2. If the failure of a rectifier is suspected, use the following procedure.
Remove the cover from the exciter.
Remove the nut that secures the rectifier to the heat sink.
Remove the diode lead.
Lift the rectifier from the heat sink.
Connect the leads of the test light across the rectifier. Notice if the bulb is illuminated.
Reverse the leads of the test light across the rectifier. Notice if the bulb is illuminated. The bulb should be illuminated when the leads of the test light are across the rectifier in one direction. The bulb should not be illuminated when the leads are reversed.If the bulb is illuminated in both directions, the rectifier is shorted. If the bulb is not illuminated in either direction, the rectifier is open.Replace any faulty rectifiers with rectifiers that have comparable operating characteristics. Include the following information when a rectifier is being ordered for replacement:
Part Number of the rectifier
Model number of the exciter
Type of the exciter
Serial number of the generator
Caterpillar parts catalog:
Parts cone Caterpillar catalog:
583H, 583K, 824C, 953, 953B, 980, 980B, 980C, 980F, 980F II, 994, 994D, 994F, 994H, AD40, AE40, D35C, D40D, D44B, D550B, D6T LGP, D8H, D8K, R1700 II, TS180, TS185, TS220, TS225
518, 611, 615, 615C, 637D, 637E, 637G, 639D, 814B, 814F, 814F II, 815B, 815F, 815F II, 816F, 816F II, 834B, 836, 930, 930R, 936, 950, 966C, 966D, 966F, 966F II, 966G, 966G II, 966H, 966K, 966M, 970F, ...
613C, 613C II, 637D, 936, 936F, 950B, 950B/950E, 950F, 950F II, 950G, 950G II, 950H, 960F, 962G, 962G II, 966C, 966R, 973, CS-323C, D250B, D250D, D25C, D25D, D300B, D300D, D30C, D350C, D350E, D350E II...
12M, 12M 2, 12M 3, 12M 3 AWD, 140M, 140M 2, 140M 3, 140M 3 AWD, 14M, 160M, 160M 2, 160M 3, 160M 3 AWD, 16G, 16H, 16H NA, 2470C, 2570C, 2670C, 2864C, 518, 525B, 525C, 525D, 528, 528B, 530B, 533, 535B, ...
518, 528, 528B, 530B, 611, 613C, 613C II, 613G, 615, 615C, 725, 725C, 730, 814B, 815B, 816B, 950B, 950B/950E, 966D, 966F, 966G, D25C, D25D, D300E, D30C, D350C, D350E, D35C, D35HP, D400, D400E, D40D, R...
621F, 621G, 627F, 627G, 980, 980B, D10R, D10T, D10T2
621, 637, 637B, 824, 824B, 825C, 826C, 980, 980B, 988
621, 623B, 980C, 980F, D35C, D35HP, D40D, D44B, D550B
16G, 16H, 16H NA, 16M, 24H, 24M, 824C, 824H, 824K, 825H, 825K, 826C, 826H, 826K, 834B, 980C, 980F, 980F II, 980G, 980G II, 980H, 980K, 980K HLG, 980M, 982M, 988B, 988F II, 993K, AD40, AE40, D44B, D550...
16G, 16H, 16H NA, 16M, 824C, 980, 980B, 980C, 980F, D35C, D35HP, D40D, D44B, D550B, D9E
120M, 120M 2, 12G, 12H, 12H ES, 12H NA, 12K, 12M, 12M 2, 12M 3, 12M 3 AWD, 130G, 140G, 140H, 140H ES, 140H NA, 140K, 140K 2, 140M, 140M 2, 140M 3, 140M 3 AWD, 143H, 160G, 160H, 160H ES, 160H NA, 160K,...
950B, 950B/950E, D25C, D30C, D350C, D35C, D35HP, D400
824, 824B, 825C, 826C, 834, 988
4174511
CONE-BEARING
966M XE, 972M XE
966M XE, 972M XE
4346114
CONE-BEARING
826K, 834K, 988K
826K, 834K, 988K
994H
2245858
CONE-BEARING
980C, AP-1055D, AP-655D, AP1055E, AP555E, BG-2455D, BG-260D, BG1055E, BG500E, BG655D
980C, AP-1055D, AP-655D, AP1055E, AP555E, BG-2455D, BG-260D, BG1055E, BG500E, BG655D
950, 966C
950
16, 988
834, 992
824B, 825B, 834, 988, 992
980, 992