Trackroller EX1200-6 Sku：4666752 /crawler excavator undercarriage parts support for OEM and aftermarket

The EX1200-6 /4666752 is a Hitachi (now Hitachi Construction Machinery) ultra-large hydraulic excavator, not a Caterpillar (CAT) model. If you’re looking for track rollers (also called bottom rollers) for the Hitachi EX1200-6, here’s what you need to know:

Hitachi EX1200-6 Track Roller Information

Function:

• Supports the excavator’s weight and guides the track chain.
• Reduces friction and wear on the undercarriage.

Common Issues:

• Bearing failure due to heavy loads.
• Seal leaks leading to dirt ingress.
• Wear from abrasive environments.

Possible OEM Part Numbers (Verify with Hitachi/HCM):

• Bottom Roller Assembly: May be listed under codes like ZAX1200-6 (Hitachi’s naming system).
• Example part numbers (varies by exact model & configuration):
  • Roller Assy (OEM): 4666752 (placeholder, check official parts manual).
  • Aftermarket options: Available from Berco, ITR, G.E.T., or Vema.

Replacement Tips:

1. Check Serial Number – Ensure compatibility with your specific EX1200-6.
2. Inspect Entire Undercarriage – Replace worn sprockets, idlers, and track pads if needed.
3. Lubrication Type – Some rollers are grease-lubricated (LGP), while others are sealed.
   

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   Model

   Part Number

   Model

   Part Number

   Model

   Part Number

   Model

   Part Number

   Model

   Part Number

   Model

   Part Number

   Model

   Part Number

   Model

   Part Number

   Bulldozer

   D20

   1013016210

   D30

   1133000101

   D31

   D37

   D40

   D41

   D45

   D50

   D60

   D65

   D68

   D75

   D80

   D85

   D150

   D155

   D275

   D375

   D475

   D3C

   D3D

   D4C

   D4D

   D5C

   D5H

   D6C

   D6H

   D6D

   D7G

   D7H

   D8K

   D8N

   D9N

   D10

   D11N

   SD7

   KOMATSU

   PC30

   20N3071707

   PC40

   20T3000071

   PC55

   20T3000071

   PC60

   2013000070

   PC75

   201

   PC100

   2033000110

   PC120

   203-30-00221

   PC150

   PC200

   2043000040

   PC220

   205-30-00171

   PC300

   207-30-00150

   PC360

   207-30-00410

   PC400

   208-20-0022

   PC500

   208-30-00464

   PC650-8

   21M300010A

   PC650-5

   2093000191

   PC800

   2093000191

   PC1250

   21N-30-00121

   PC1800

   21T3000080

   PC2000

   21T3000211

   CATERPILLAR

   E305.5

   E306

   E70B

   E312

   4I7346

   E320

   1175045

   E324

   163-4145

   E325

   117-5046

   E330

   109-1213

   E345

   123-1379

   E350

   8E4288

   E365

   149-7108

   E385

   109-1215

   E390

   143-0367

   CAT6015

   2307162

   CAT6020

   4622451

   HITACHI

   EX55

   EX60

   ZAX70

   EX100

   9092522

   ZAX130

   71401427

   EX200-1

   9066509

   EX200-2/5

   9134243

   EX300

   855194

   ZAX330

   95505023

   EX400

   9043162

   EX500

   21M-30-00100

   ZAX650

   9099141

   ZAX750

   AT309605

   ZAX870

   4473720

   EX1100

   4386649

   EX1200-6

   4666752

   EX1800

   4386650

   EX3000

   FIAT-HITACHI

   FH120

   FH130

   FH150

   FH200

   FH220

   FH270

   FH330

   FH400

   FH450

   EX135

   EX165

   EX215

   EX235

   EX255

   EX285

   EX355

   EX455

   VOLVO

   EC55B

   EC80

   EC140

   VOL140

   EC210

   VOL210

   EC220D

   VOL290

   VOL360

   EC460

   EC700

   4473720

   EC950

   H5

   H7

   H7B

   H9

   H9BLC

   ECR235

   DAEWOO

   DH35

   DH55

   DH80

   DH130/150

   DH220

   DH220-9

   DH300

   DH360

   DH500

   DOOSAN

   DX60

   DX80

   DX140

   DX225

   DX255

   DX300

   DX380

   DX420LC

   DX480LC

   DX520LC

   DX800

   DX1000

   HYUNDAI

   R60

   R80

   R130

   R200/R220-7

   R220-9

   R250-9

   R275-9

   R290

   R370

   R485-9

   R500

   R800

   KATO

   HD250

   HD450

   HD700

   HD770

   HD1023

   HD1250

   HD1430

   HD1638

   KOBELCO

   SK55

   SK60-3

   SK60-5

   SK60-8

   SK100

   SK140

   SK200

   SK270

   SK330

   SK380-10

   SK450

   SK850

   JCB

   JCB8056

   JCB220

   JS130

   JS180

   JS200

   JS330

   JS360

   JS460

   SUMITOMO

   SH60

   SH120

   SH120A3

   SH200/SH280

   SH220

   SH300

   SH350

   SH350

   SH450

   SH460

   SH700

   LS2650

   LS2800

   LS3400

   LS4300

   JOHN DEERE

   JD160

   JD200

   JD224

   JD270

   JD350

   JD370

   JD450

   JD490

   JD936

   ATLAS

   ROCD7

   ROC301

   ROC306

   ROC325

   ROC601

   ROC606

   ROC920

   1202

   1302

   1304

   1404

   1602

   1622

   1702

   1704

   1902

   2002

   2204

   LEBHHER

   R914

   R924

   R934

   R944

   R944SME

   R964

   R974

   R9100

   MITSUBISHI

   MS110

   MS120

   MS180

   MS230

   MS280

   MS300

   MS350

   MS380

   MS650

   HIDROMEK

   HMK220

   4467001

   HMK370

   CASE

   KC55

   KC75

   KC360

   CX300

   CX380

   KUBOTA

   KX35

   KX50

   KX85

   KX185