Home » Products » Pin Shaft » Excavator Pin Shaft » OEM 4V7099 Premium Loader Linkage Pin Replacement For CAT

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OEM 4V7099 Premium Loader Linkage Pin Replacement For CAT

  • OEM replacement : 4V7099
  • Material : 45#/40Cr/42CrMo
  • Applicable models :Caterpillar 
Availability:
Quantity:
  • 4V7099

  • CAT

>> Basic Product Information

  • Primary Product Applications

  • - Used in Wheel Loaders for theTilt Linkage,Bucket Linkage, or at the articulation points connecting hydraulic cylinders to linkages.

  • - Primary Function:Connects the bucket to the tilt linkage; designed to withstand heavy loads, rotational forces, and impact shocks during tilting operations, ensuring the smooth lifting and dumping of the bucket.

  • - Common Compatible Models (based on official Cat and aftermarket data):

  • - 950 Series: 950G II, 950H, 950L, 950M Z

  • - 962 Series: 962G II, 962H, 962L, 962M Z

  • - 966 Series: 966F II, 966G, 966G II, 966H, 966 GC

  • - 972 Series: 972G, 972G II, 972H

  • - 980 Series: 980F, 980F II, 980G, 980G II, 980H, 980K, 980K HLG

  • - Others: Select models such as 970F, 972MXE, etc.

  • This pin is typically installed at the connection point between the bucket and the tilt linkage (specifically at the Tilt Cylinder-to-Linkage or Bucket-to-Tilt Link joints) and serves as a critical wear component within the loader's front-end work tool assembly.

  • Features and Operating Environment

  • - Design Purpose: Engineered to provide wear-resistant and impact-resistant articulation support in high-intensity material handling environments—such as mining, construction, and port operations—thereby minimizing component loosening and failure.

  • - Packaging: Frequently sold together with accompanying components (e.g., grease fitting 3B8489, seal 7K9212, spacer 9K9731) to form a complete maintenance kit.

>> Certificates And Qualifications

Certificates And Qualifications


>> The Company's Main Product Display


                                       Caterpillar pin and bushing
  OEM   OEM   OEM   OEM   OEM   OEM   OEM   OEM   OEM   OEM
4385850 4I4811 7K9343 5346337 2G8622 2417381 7K9591 1372817 9V3852 3V2337
2299247 2641702 7K9347 5356287 2G8614 2285615 7P3454 2081959 2K4502 9C0093
3735700 4I4809 9R4677 5356344 2G8735 2417380 7Y2396 2096181 7K9640 4E3196
3792693 4I4621 1883064 4I4618 8D4673 2417379 1372819 2285619 1V9148 7K9513
3792813 1762278 2375330 2343803 2G8609 2357772 7Y3427 2291091 1V7001 9C3581
4368990 4I4812 3607295 1865662 2G8617 2285654 1372919 2370944 1V8241 1188267
4385844 3150800 3735760 0875805 2K6413 2402914 7Y3428 2402916 2V4876 1188269
4385846 2602390 3792545 2543053 5K0990 2V0707 1433841 2417280 3J6484 6K7165
4385847 1807752 3792546 2543052 6K8308 3T0996 8E6752 2627043 4K6780 6K8307
5356345 2512537 3792689 2285614 2909181 1024560 8K0533 2627044 5K0987 5V1510
5228212 4I4620 3792690 2285617 2357770 8X0742 9J5875 2785454 7J1338 5V1508
5228227 1893922 3792769 2343811 1V7038 2370945 9R0413 2787695 8K5757 9K9731
5228230 1865730 4177570 4I6718 1857220 2343749 9R4110 4I6897 9T8676 5V1514
5228232 2343931 2402913 4T1422 2285621 7Y9915 9R7891 1461843 990718 5K8265
5228329 1865663 2357769 4V8519 875533 1985529 9R9475 9R0162 9R0147 4K8561
5230026 2602385 2402912 4V8675 875548 2487835 9R9505 9R3092 9R0614 3J3953
5230028 1865637 2444360 5K0984 875847 2487857 9T2883 9R5828 9R0321 3W8398
5230037 2343930 2417382 5K3490 990721 2291092 4893010 9R1107 9R0170 4I4665
5233719 8W5293 2291096 7J1335 1066872 2291095 2G8633 9R1104 9R0111 4K4709
5J1193 5V1874 4181948 9R0153 5846308 9R0411 4T0208 9J7099 7V8633 6G5537
4V1901 7K9593 1J2303 1483381 4K6558 9C1484 6K8316 4V8534 121460 7D3807
5233721 2G8630 2444277 7J9682 1164825 4V8673 1353161 6K8314 9J7100 6K2703
9R0320 4832755 6K4076 9R5246 2G8624 7K0421 1680480 2582305 9J7078 3575717
3399833 4V7105 7Y2395 9R7960 7K0085 7K0086 6K4148 1U2182 7Y4939 3575711
6K6185 4V7101 2136683 9T3165 4J6374 7K9603 3G7570 6J2225 875379 3575712
8W6476 4V7099 2366271 2136682 8D7083 7J9365 9R1917 3K2132 4K6781 7V6716
5V1511 8V7659 4V8520 2136687 1461842 5J1192 9R1495 1633749 4K8659 4V6421
9R6690 1V8957 2003926 2368158 2G8608 7J9346 9R0140 2366270 4V2873 1386674
9R5922 1386685 2580769 2785455 6S3463 7K9604 2332613 3J9511 5V1386 3P8845
2136703 1361711 3G7624 2867166 7K0084 4V0381 2744274 0967912 1V8242 1369371
3419483 1V8439 3G8779 2G8737 2K4505 3G5999 9R0204 1195200 3G4704 1369380
3S7987 3V6648 4T9751 7K9592 7K0087 3P2429 2368183 0967911 3V2333 2582308
5S7944 2V4700 7K9601 1261956 7K9549 4K8734 7K9644 1297770 7J9842 3T9658
4V8674 2A7089 7K9639 7H4710 9D0733 7J9366 1832358 967913 4V2872 7T7190
1V8240 2G8631 8J6384 7K6365 7K9642 7K9643 9R1493 2366268 7Y5102 8D8829
2V0706 6T4481 7Y2397 4K5174 8D7426 4V0380 9R2700 4I0453 7Y3552 8J0001
1V9143 4443882 7Y3551 3G2581 6J7175 7K9638 9R1494 4I4666 0969512 8J9926
1355553 1185982 9R0139 8D7282 7J9699 8K6276 2517320 2366269 1195228 9C4007
6A7099 2372252 9R0430 8D9296 9D0178 8K2896 4T7351 1195325 1289882 9C7727
8D7084 9T0766 9R1496 8D7284 9D3311 9K8425 7Y6389 2402915 7Y3553 9K9156
3311520 2201013 9R3747 6K2899 8D7996 7T3746 6E3535 7Y4666 7Y6608 2131366
3311522 2787066 9R4062 7J9688 9D1511 9J4543 2096855 3G0707 1523735 3478175
3625027 2136702 9R0431 7K0088 7J9344 7J2604 8G8311 3G5281 1523739 1428791
9R3700 9R3756 9R3812 7K9589 7K9590 9K9158 1372818 3J6412 1857221 7K9493
4832757 7Y5128 9R4108 8D7086 8D8168 9T4007 7V6715 6K4185 2142255 3V8439
7P3194 6K7164 2K8530 1048655 7T4865 9V3853 9U8482 2366273 2099887 1183064
2534635 2G8621 2417342 7Y0661 7T6427 5M6211 3003930 3611702 1350013 3419484
5M3947 8D4766 4T7534 2512547 2827781 5177538 2908226 1090367 2602492 1386679
2572291 1487871 1245741 2417231 2827785 7D3009 5V1882 2284093 6Y8248 9W7006
5M6210 2487820 1036293 8X5106 2120136 4T0202 4T0203 3209164 1745696 2169724
3166952 4950675 1U0872 4T1389 1590960 4251825 3166945 1327994 9J9055 2477631
3166951 1305451 9J9598 1044817 3166946 2136710 1301918 1245233 2085026 1732769
3209241 1251037 1564078 3407503 3615903 1841413 2096850 6Y3545 2399940 6E1166
3285234 3863778 1090958 1U0612 3260089 3311521 4380593 9W9243 1U0873 3T4020
2357771 4I9751 7J1337 5J7876 1545280 7Y3550 4T0204 2641180 8K5334 3005440
3G8051 2847313 4I9751 7V8632 3100851 1243240 9P6912 2218640 2195735 5649028
2037326 4V6875 2572289 2213200 5T5947 1545277 2195743 6J9480 2950775 3439295
2588502 7J1336 3204597 1G8169 1703093 1545278 1412150 3G7016 3G8932 2357642
2V5715 3478176 1129629 3J7189 6J9482 1545279 2558239 4T9762 1U2472 4V2588
3875919 2213198 2G7387 2G7388 7P6893 2G8661 1944175


>> Partial Applicable Vehicle Model Display

Partial Applicable Vehicle Model Display

Partial Applicable Vehicle Model Display1


    Excavator bushing    

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2
3
4

    Excavator pin    

2
1
4
3

    Loader bushing    

44
33
22
11

    Loader pin    

1
2
3
4

    Construction machinery pins and bushings    

1
2
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>> Premium Materials for Durability and Strength

  • Core Material

  • - High-grade Alloy Steel

  • - The common base material is Chromium-Molybdenum alloy steel (Chromoly steel)—such as 4140 or 42CrMo / SCM440—which serves as the standard material for linkage pins in large Caterpillar wheel loaders.

  • - It offers exceptional tensile strength, toughness, and fatigue resistance, making it ideal for withstanding the heavy loads, torque, and impact forces encountered during dumping operations.

  • Heat Treatment & Hardness

  • - Induction Hardened: The surface undergoes high-frequency induction hardening (a standard Caterpillar process).

  • - Surface hardness typically ranges from HRC 56 to 62 (minimum HRC 56), with a hardened layer depth of approximately 1–3 mm (depending on the specific production batch).

  • - The core hardness is maintained at approximately HRC 22–30 to ensure toughness (preventing brittle fracture).

  • - This treatment significantly enhances wear resistance, scratch resistance, and fatigue strength, while simultaneously preserving the core's impact resistance.

  • Surface Treatment

  • - Chrome Plated / Chromed: The outer surface is coated with a layer of hard chrome (typically 0.02–0.05 mm thick).

  • - Function: Significantly improves corrosion resistance (preventing rust and oxidation), reduces the coefficient of friction, and enhances surface finish and wear resistance.

  • Key Features Summary

  • - Material Combination: Alloy steel (e.g., 4140 / 42CrMo) + Induction Hardening + Chrome Plating.

  • - Design Purpose: To deliver long service life, impact resistance, and corrosion resistance in high-load, high-wear areas—such as loader dump linkages and bucket connections—thereby reducing maintenance frequency.

Pin shaft raw materials


Bushing raw materials



 Production Flow Chart

bushing


Manufacturing Process of Custom Steel Pin Excavator Bucket Pin Hardened Pin Shaft

FAQs 

Q1:What are the main products that the company manufactures and sells?

A1:。We mainly produce pins and bushings for construction machinery, including pins and bushings for various types of construction vehicles such as loaders, excavators, and graders. We also supply parts for various brands of vehicles, including Caterpillar, Komatsu, Sany, Hyundai, XCMG, Lingong, and Liugong.



Q2:Can you provide customized services?

A2:We are a professional manufacturer with our own team of engineers and production equipment, and we can provide you with high-quality customized services.



Q3:What are the main materials used for pins and bushings?

A3:The main materials include:45C、41Cr4、42CrMo4、35CrMo4、20CrMo44、View more→


Q4:How can I get a quote?

A4:You can provide OEM specifications, drawings, or other detailed requirements, and we can provide you with a quote based on this information.  Please feel free to inquire at any time.



Q5:Do you provide after-sales service for excavator pins and bushings?

A5:We provide high-quality after-sales service, including product guidance, warranty service, and troubleshooting assistance, to ensure continuous operation.



Q6:Can you ship to international locations?

A6:Yes, we can deliver high-quality excavator pins globally, providing efficient transportation and timely delivery.



Q7:Are your pins, bushings, and other parts compatible with various brands of excavators, loaders, and other construction machinery?

A7:Our pins and bushings are designed specifically for various construction machinery, including Caterpillar, Komatsu, Sany, Hyundai, XCMG, Lingong, and Liugong, and we can also provide customized services according to your needs.


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