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SPIDER & BEARING ASSEM 2D2978 - Caterpillar


2D2978 SPIDER & BEARING ASSEM Caterpillar parts 120, 120B, 12E, 12F, 140, 140B, 14E, 16
Rating:
18
Alternative (cross code) number:
CA2D2978
2D-2978
2D2978
Caterpillar 2D2978 SPIDER & BEARING ASSEM
Weight: 0.60 pounds 0 kg.
Information:
CUP OD  24.61  mm
SPIDER OD  61.85  mm
TYPE  NO BOLT CAPS 

Buy SPIDER & BEARING ASSEM 2D2978 Caterpillar genuine, new aftermarket tractor parts with delivery
MOTOR GRADER,

Related part:
2D2978  SPIDER-AS-YM  3994424  CL

Compare Prices: .

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$71.95

11 Jun 2025

US: obertstore
Replacement part for 2D2978 Spider A Fits Caterpillar Models R2Aft129466
Generic High-quality spare parts designed for reliable everyday use. || Precision-engineered components that meet strict manufacturing standards. || Versatile design addressing a broad range of repair and maintenance needs. || Durable construction made from quality materials for consistent functionality. || Easy-to-install parts that simplify maintenance and repair processes.
$63.61

11 Jun 2025

US: prysiazh
RATION for 2D2978 Spider A for Caterpillar
RATION For 2D2978 Spider A For Caterpillar || Spider A fits engines, desied for 2D2978 mode, eres optimal perforce and durability. || Precision-engineered for superior fit and function, Spider A is a reliable choice for your equipment. || Elevate your garden's beauty with our precision garden replacement parts. || To ensure compatibility, please check the product dimensions and review the provided images closely.
$32.99

04 Jun 2025
0.7[0.32] pounds
US: RAParts Inc.
RAParts 2D2978 Spider A Fits Caterpillar Models
Reliable Aftermarket Parts OEM Numbers Are Provided for Reference Only. Please Verify Fit Prior To Ordering. || Please Note: Some Listings Use Stock Images for Reference and May Differ from the Actual Product. || This Aftermarket Part Is Made to Meet or Exceed Manufacturer (OEM) Specifications. || All OEM part numbers and logos are to be used for identification purposes only.
Number on catalog scheme: None
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Compatible equipment models: 2D2978:

MOTOR GRADER  120   120B   12E   12F   140   140B   14E   16   Caterpillar

Information:

Note: If this fault occurs only under load, refer to Troubleshooting, "Acceleration Is Poor or Throttle Response Is Poor".Note: Refer to Troubleshooting, "Cat ET Service Features" for information about service features.
Table 1
Associated Diagnostic Trouble Codes    
Suspect Parameter Number    
E198    
E398    
5580-17    
5580-18    
157-17    Probable Causes
Active codes and logged codes
Incorrect parameters
Accessory and/or parasitic loads
Incorrect flash file
Restriction in the air inlet and exhaust system
Proper operation of the turbocharger
Low-pressure fuel system
Fuel injectorsRecommended Actions
Complete the procedure in the order in which the steps are listed.
Table 2
Troubleshooting Test Steps    Values    Results    
1. Active Codes and Logged Codes
A. Establish communication between Cat® Electronic Technician (ET) and the Electronic Control Module (ECM). Refer to Troubleshooting, "Electronic Service Tools", if necessary.
B. Download the "Warranty Report" from the engine ECM before performing any troubleshooting or clearing diagnostic trouble codes.
Troubleshoot any active codes before continuing with this procedure.
   
Codes
   
Result: There are active codes.
Repair: Troubleshoot any active codes before continuing with this procedure.
Result: There are no active codes.
Proceed to Test Step 2.
   
2. Incorrect Parameters
A. Use Cat ET to verify that the correct engine parameters are being used. Refer to Troubleshooting, "Configuration Parameters" for additional information.
B. Verify that all of the parameters for parasitic loads are correct.
   
Parameters
   
Result: The parameters are configured correctly.
Proceed to Test Step 3.
Result: The parameters are not configured correctly.
Repair: Correctly configure the parameters.
Verify that the repair eliminated the problem.
   
3. Accessory and/or Parasitic Loads
A. Check all accessory equipment for problems that may create excessive load on the engine.
B. Check for any excess parasitic load on the engine.
   
Parasitic Loads
   
Result: There is not an excessive load on the engine.
Proceed to Test Step 4.
Result: There is an excessive load on the engine.
Repair: Diagnose the problem and then repair the problem.
Verify that the repair eliminated the problem.
   
4. Incorrect Flash File
A. Verify that the latest flash file is installed in the Electronic Control Module (ECM). Refer to Troubleshooting, "ECM Software - Install" for the proper procedure.
   
Flash File
   
Result: The latest flash file is installed in the ECM.
Proceed to Test Step 5.
Result: The latest flash file is not installed in the ECM.
Repair: Install the latest flash file. Verify that the repair eliminated the problem.
   
5. Restriction in the Air Inlet and Exhaust System
A. Check the air filter restriction indicator, if equipped. Clean plugged air filters or replace plugged air filters. Refer to the Operation and Maintenance Manual.
B. Check the air inlet and exhaust system for restrictions and/or leaks.
   
Restrictions
   
Result: There are restrictions in the air inlet or exhaust system.
Repair: Make the necessary repairs, Verify that the repair eliminated the problem.
Result: There are no restrictions in the air inlet or exhaust system.
Proceed to Test Step 6.
   
6. Proper Operation of the Turbocharger
A. Check for proper operation of the turbocharger.
   
Turbocharger
   
Result: The turbocharger is operating properly.
Proceed to Test Step 7.
Result: The turbocharger is not operating properly.
Repair: Repair or replace the turbocharger. Verify that the repair eliminated the problem.
   
7. Low Pressure Fuel System
A. Visually check

Cat SIS web machinery list:

Caterpillar parts catalog
140B MOTOR GRADER 61S00001-UP (MACHINE) POWERED BY 3306 ENGINE
NO. 14E MOTOR GRADER / DIRECT DRIVE / 12K00001-02198 (MACHINE)
NO. 14E MOTOR GRADER / POWER SHIFT / 72G00001-01340 (MACHINE)
NO. 14E MOTOR GRADER / DIRECT DRIVE / 12K00001-02198 (MACHINE)
NO. 14E MOTOR GRADER / POWER SHIFT / 72G00001-01340 (MACHINE)
NO. 14E MOTOR GRADER / DIRECT DRIVE / 12K00001-02198 (MACHINE)
NO. 14E MOTOR GRADER / POWER SHIFT / 72G00001-01340 (MACHINE)
NO. 12F MTR. GRADER / DIRECT DRIVE / 13K00001-05286 (MACHINE)
NO. 14E MOTOR GRADER / DIRECT DRIVE / 12K00001-02198 (MACHINE)
NO. 14E MOTOR GRADER / POWER SHIFT / 72G00001-01340 (MACHINE)
NO. 14E MOTOR GRADER / DIRECT DRIVE / 12K00001-02198 (MACHINE)
NO. 14E MOTOR GRADER / POWER SHIFT / 72G00001-01340 (MACHINE)
NO. 12F MTR. GRADER / DIRECT DRIVE / 13K00001-05286 (MACHINE)
NO. 14E MOTOR GRADER / DIRECT DRIVE / 12K00001-02198 (MACHINE)
NO. 12F MTR. GRADER / DIRECT DRIVE / 13K00001-05286 (MACHINE)
NO. 14E MOTOR GRADER / POWER SHIFT / 72G00001-01340 (MACHINE)
NO. 12F MTR. GRADER 89H00901-01537 (MACHINE)
NO. 14E MOTOR GRADER 12K02199-UP (MACHINE)
NO. 12F MTR. GRADER 13K05287-UP (MACHINE)
NO. 12F MTR. GRADER 89H01538-UP (MACHINE)
NO. 14E MTR. GRADER 72G01341-UP (MACHINE)
NO. 14E MOTOR GRADER / DIRECT DRIVE / 12K00001-02198 (MACHINE)
NO. 12F MTR. GRADER / DIRECT DRIVE / 13K00001-05286 (MACHINE)
NO. 14E MOTOR GRADER / POWER SHIFT / 72G00001-01340 (MACHINE)
NO. 12F MTR. GRADER 89H00901-01537 (MACHINE)
NO. 14E MOTOR GRADER 12K02199-UP (MACHINE)
NO. 12F MTR. GRADER 13K05287-UP (MACHINE)
NO. 12F MTR. GRADER 89H01538-UP (MACHINE)
NO. 14E MTR. GRADER 72G01341-UP (MACHINE)
NO. 12F MTR. GRADER / DIRECT DRIVE / 13K00001-05286 (MACHINE)
NO. 14E MOTOR GRADER / DIRECT DRIVE / 12K00001-02198 (MACHINE)
NO. 14E MOTOR GRADER / POWER SHIFT / 72G00001-01340 (MACHINE)
NO. 14E MOTOR GRADER / DIRECT DRIVE / 12K00001-02198 (MACHINE)
NO. 14E MOTOR GRADER / POWER SHIFT / 72G00001-01340 (MACHINE)
NO. 16 MOTOR GRADER 49G00305-00682 (MACHINE)
NO. 16 MOTOR GRADER 49G00683-UP (MACHINE)
NO. 16 MOTOR GRADER 49G00305-00682 (MACHINE)
NO. 16 MOTOR GRADER 49G00683-UP (MACHINE)
NO. 14E MOTOR GRADER / DIRECT DRIVE / 12K00001-02198 (MACHINE)
NO. 14E MOTOR GRADER / POWER SHIFT / 72G00001-01340 (MACHINE)
NO. 14E MOTOR GRADER / DIRECT DRIVE / 12K00001-02198 (MACHINE)
NO. 14E MOTOR GRADER / POWER SHIFT / 72G00001-01340 (MACHINE)
NO. 14E MOTOR GRADER / DIRECT DRIVE / 12K00001-02198 (MACHINE)
NO. 14E MOTOR GRADER / POWER SHIFT / 72G00001-01340 (MACHINE)
NO. 12F MTR. GRADER / DIRECT DRIVE / 13K00001-05286 (MACHINE)
NO. 14E MOTOR GRADER / DIRECT DRIVE / 12K00001-02198 (MACHINE)
NO. 14E MOTOR GRADER / POWER SHIFT / 72G00001-01340 (MACHINE)
NO. 14E MOTOR GRADER / DIRECT DRIVE / 12K00001-02198 (MACHINE)
NO. 14E MOTOR GRADER / POWER SHIFT / 72G00001-01340 (MACHINE)
NO. 14E MOTOR GRADER / DIRECT DRIVE / 12K00001-02198 (MACHINE)
NO. 14E MOTOR GRADER / POWER SHIFT / 72G00001-01340 (MACHINE)
NO. 14E MOTOR GRADER / DIRECT DRIVE / 12K00001-02198 (MACHINE)
NO. 14E MOTOR GRADER / POWER SHIFT / 72G00001-01340 (MACHINE)
NO. 14E MOTOR GRADER / DIRECT DRIVE / 12K00001-02198 (MACHINE)
NO. 14E MOTOR GRADER / POWER SHIFT / 72G00001-01340 (MACHINE)
NO. 14E MOTOR GRADER / DIRECT DRIVE / 12K00001-02198 (MACHINE)
NO. 14E MOTOR GRADER / POWER SHIFT / 72G00001-01340 (MACHINE)
NO. 12F MTR. GRADER / DIRECT DRIVE / 13K00001-05286 (MACHINE)
NO. 14E MOTOR GRADER / DIRECT DRIVE / 12K00001-02198 (MACHINE)
NO. 14E MOTOR GRADER / POWER SHIFT / 72G00001-01340 (MACHINE)
NO. 14E MOTOR GRADER / DIRECT DRIVE / 12K00001-02198 (MACHINE)
NO. 14E MOTOR GRADER / POWER SHIFT / 72G00001-01340 (MACHINE)
NO. 14E MOTOR GRADER / DIRECT DRIVE / 12K00001-02198 (MACHINE)
NO. 14E MOTOR GRADER / POWER SHIFT / 72G00001-01340 (MACHINE)
NO. 14E MOTOR GRADER / DIRECT DRIVE / 12K00001-02198 (MACHINE)
NO. 14E MOTOR GRADER / POWER SHIFT / 72G00001-01340 (MACHINE)
NO. 14E MOTOR GRADER / DIRECT DRIVE / 12K00001-02198 (MACHINE)
NO. 14E MOTOR GRADER / POWER SHIFT / 72G00001-01340 (MACHINE)
NO. 14E MOTOR GRADER / DIRECT DRIVE / 12K00001-02198 (MACHINE)
NO. 14E MOTOR GRADER / POWER SHIFT / 72G00001-01340 (MACHINE)
NO. 14E MOTOR GRADER / DIRECT DRIVE / 12K00001-02198 (MACHINE)
NO. 14E MOTOR GRADER / POWER SHIFT / 72G00001-01340 (MACHINE)
NO. 12F MTR. GRADER / DIRECT DRIVE / 13K00001-05286 (MACHINE)
NO. 12 MOTOR GRADER 99E00001-04490 (MACHINE)
NO. 12 MTR. GRADER 99E04491-14170 (MACHINE)
NO. 140 MTR. GRADER 11R00001-00690 (MACHINE)
120 MOTOR GRADER 10R00001-02881 (MACHINE)
NO. 16 MOTOR GRADER 49G00683-UP (MACHINE)
120 MOTOR GRADER 10R02882-UP (MACHINE)
NO. 140 MTR. GRADER 11R00691-UP (MACHINE)
140B MOTOR GRADER 61S00001-UP (MACHINE) POWERED BY 3306 ENGINE
NO. 12 MTR. GRADER 99E04491-14170 (MACHINE)
NO. 14E MOTOR GRADER / DIRECT DRIVE / 12K00001-02198 (MACHINE)
NO. 12F MTR. GRADER / DIRECT DRIVE / 13K00001-05286 (MACHINE)
NO. 14E MOTOR GRADER / POWER SHIFT / 72G00001-01340 (MACHINE)
NO. 140 MTR. GRADER 11R00001-00690 (MACHINE)
120 MOTOR GRADER 10R00001-02881 (MACHINE)
NO. 12F MTR. GRADER 89H00901-01537 (MACHINE)
NO. 14E MOTOR GRADER 12K02199-UP (MACHINE)
NO. 12F MTR. GRADER 13K05287-UP (MACHINE)
120 MOTOR GRADER 10R02882-UP (MACHINE)
NO. 12F MTR. GRADER 89H01538-UP (MACHINE)
NO. 14E MTR. GRADER 72G01341-UP (MACHINE)
NO. 140 MTR. GRADER 11R00691-UP (MACHINE)
140B MOTOR GRADER 33C00100-UP (MACHINE) POWERED BY 3306 ENGINE
140B MOTOR GRADER 61S00001-UP (MACHINE) POWERED BY 3306 ENGINE
NO. 12 MTR. GRADER 99E04491-14170 (MACHINE)
NO. 14E MOTOR GRADER / DIRECT DRIVE / 12K00001-02198 (MACHINE)
NO. 12F MTR. GRADER / DIRECT DRIVE / 13K00001-05286 (MACHINE)
NO. 14E MOTOR GRADER / POWER SHIFT / 72G00001-01340 (MACHINE)
NO. 140 MTR. GRADER 11R00001-00690 (MACHINE)
120 MOTOR GRADER 10R00001-02881 (MACHINE)
NO. 12F MTR. GRADER 89H00901-01537 (MACHINE)
NO. 14E MOTOR GRADER 12K02199-UP (MACHINE)
NO. 12F MTR. GRADER 13K05287-UP (MACHINE)
120 MOTOR GRADER 10R02882-UP (MACHINE)
NO. 12F MTR. GRADER 89H01538-UP (MACHINE)
NO. 14E MTR. GRADER 72G01341-UP (MACHINE)
NO. 140 MTR. GRADER 11R00691-UP (MACHINE)
140B MOTOR GRADER 33C00100-UP (MACHINE) POWERED BY 3306 ENGINE
NO. 14E MOTOR GRADER / DIRECT DRIVE / 12K00001-02198 (MACHINE)
NO. 12F MTR. GRADER / DIRECT DRIVE / 13K00001-05286 (MACHINE)
NO. 14E MOTOR GRADER / POWER SHIFT / 72G00001-01340 (MACHINE)
NO. 140 MTR. GRADER 11R00001-00690 (MACHINE)
120 MOTOR GRADER 10R00001-02881 (MACHINE)
NO. 16 MOTOR GRADER 49G00683-UP (MACHINE)
NO. 12F MTR. GRADER 89H00901-01537 (MACHINE)
NO. 14E MOTOR GRADER 12K02199-UP (MACHINE)
NO. 12F MTR. GRADER 13K05287-UP (MACHINE)
120 MOTOR GRADER 10R02882-UP (MACHINE)
NO. 12F MTR. GRADER 89H01538-UP (MACHINE)
NO. 14E MTR. GRADER 72G01341-UP (MACHINE)
NO. 140 MTR. GRADER 11R00691-UP (MACHINE)
NO. 16 MOTOR GRADER 49G00683-UP (MACHINE)
NO. 14E MOTOR GRADER / DIRECT DRIVE / 12K00001-02198 (MACHINE)
NO. 12F MTR. GRADER / DIRECT DRIVE / 13K00001-05286 (MACHINE)
NO. 14E MOTOR GRADER / POWER SHIFT / 72G00001-01340 (MACHINE)
NO. 140 MTR. GRADER 11R00001-00690 (MACHINE)
120 MOTOR GRADER 10R00001-02881 (MACHINE)


Parts spider Caterpillar catalog:

7S0543 SPIDER ASSEM.
14E, 3208, 518, 561C, 950, 955K, 955L, D5, D5B, D5E, D6C
7S0542 SPIDER AS-FAN
14E, 561C, 920, 930, 941, 950, D3B, D3C, D4D, D4E, D4E SR, D5
6H2579 SPIDER & BEARING ASSEM.
16, 824B, 983, 983B, 988, AD55, D35HP, D400, D40D, D8K
8D1508 SPIDER AS
12G, 140, 140B, 14E, 14G, 621E, 623E, 627E, 631E, 633E II, 637E, 651E, 657E
6H2577 SPIDER & BEARING GP
16, 515, 525, 563C, 573C, 613C, 621, 815, 834B, 836, 950, 966C, 988B, 988F, 988F II, AD30, D250B, D250D, D250E, D300B, D300D, D300E, D7F, D7G, R2900, R2900G, R3000H, RM-350B
2430247 SPIDER-DIFFERENTIAL
M325C MH, M325D L MH, M325D MH, MH3037
3617628 SPIDER AS-FAN
349E, 349E L, 349E L HVG, 349E L VG, 349F L
3314962 SPIDER AS-FAN
336E, 336E H, 336E HVG, 336E L, 336E LH, 336E LN, 336F L
2302847 SPIDER AS
365C, 365C L, 365C L MH
2459293 SPIDER AS
330D, 330D FM, 330D L, 330D LN, 330D MH, 336D, 336D L, 336D LN, 336D2, 336D2 L, 340D L, 340D2 L, M330D
3065621 SPIDER
120M, 120M 2, 12M
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