Case Dozer Transmission Discs parts list
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350, 350B |
Metallic Disc (Forward) |
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0 |
D50082 |
$19.00
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1
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350, 350B, 480C, 480D, 480E, 480F, 580C, 580D, 580 Super E, 580K-I, 584C, 584D, 584E, 585C, 585D, 585E, 586C, 586D, 586E, 680E |
Reverse Friction Disc |
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D50040 |
$27.00
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2
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350, 350B, 580C, 580D, 580E, 580 Super E, (580K Before Serial # JJG0020000), 584E, 585E, 586E, 480C, 480D, 480E, 480F, 680E |
Reverse Steel Disc |
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D50041 |
$12.00
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580K (After Serial Number JJG0020000), 580 Super K, 590 Turbo, 550E, 550G, 550H, 650G, 850E, 850G, 855E |
Steel Transmission Disc |
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A175806 |
$9.00
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580K, 580 Super K, 590 Turbo, 550E, 550G, 550H, 650G, 650K, 650L, 650M, 750K, 750L, 750M, 850E, 850G, 850K, 850L, 850M, 855E, 1150K, 1150M, 1650L, 1650M, 2050M |
Transmission Clutch Disc (Metallic) |
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A188946 |
$10.00
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1150D, 1150E, 1150G, 1155D, 1155E, 1450, 1450B, 1455B |
Steel Disc |
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A67156 |
$10.00
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1150B, 1150C, 1150D, 1150E, 1150G, 1155D, 1155E, 1450, 1450B, 1455B |
Steel Disc |
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A50631 |
$15.00
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Transmission steel, metallic, and bronze friction discs for Case crawler dozers, covering forward and reverse clutch pack components across shuttle and power shift transmissions on 350 through 1150 series machines.
Fits Models At A Glance
- 350 Series: 350, 350B
- 550 Series: 550E, 550G, 550H
- 650 Series: 650G, 650K, 650L, 650M
- 750 Series: 750K, 750L, 750M
- 850 Series: 850E, 850G, 850K, 850L, 850M, 855E
- 1150 Series: 1150B, 1150C, 1150D, 1150E, 1150G, 1155D, 1155E
- 1450 Series: 1450, 1450B, 1455B
- 1650/2050 Series: 1650L, 1650M, 2050M
Key Notes
- Application: Forward and reverse clutch pack discs for shuttle and power shift transmissions
- Materials: Available in steel, metallic friction, and bronze friction options
- Serial Breaks: Some fitments split by serial number, verify before ordering
- Function: Replaces worn discs to restore drive and reverse engagement
Why Choose Broken Tractor
- ✅ Wide disc coverage across Case crawler models
- ✅ Fast shipping from two US locations
- ✅ Fitment help from real equipment experts
Frequently Asked Questions
What transmission discs fit a Case 1150C dozer?
Broken Tractor carries the Steel Transmission Disc SKU A50631, which fits the Case 1150B, 1150C, 1150D, 1150E, 1150G, 1155D, and 1155E dozers along with 1450 series machines. For 1150D and later units, we also offer Steel Transmission Disc SKU A67156. Confirm the correct disc by matching your part number or checking with our parts team before ordering.
What is the difference between steel, metallic, and bronze transmission discs?
Steel discs are the plates in the clutch pack, metallic friction discs use a metallic facing for engagement, and bronze friction discs use a bronze facing. Broken Tractor carries all three types for Case crawler dozers, including forward and reverse clutch pack discs for shuttle and power shift transmissions. The type you need depends on your specific transmission and clutch pack position.
Do transmission discs for the Case 580K split by serial number?
Yes, some Case 580K fitments split by serial number. The Steel Transmission Disc SKU A175806 fits 580K units after serial number JJG0020000, while the Power Shuttle reverse steel disc SKU D50041 fits 580K units before serial number JJG0020000. Verify your serial number before ordering, or call our parts team at (800) 909-7060 for help matching the right disc.
What forward and reverse discs fit a Case 350 and 350B dozer?
For the Case 350 and 350B, Broken Tractor carries the Forward Metallic Transmission Disc SKU D50082, the Bronze Reverse Friction Disc SKU D50040, and the Reverse Steel Disc for the power shuttle SKU D50041. These cover the forward and reverse clutch pack positions in the shuttle transmission. Match your part numbers to confirm the correct discs for your machine.
When should I replace my Case dozer transmission discs?
Worn transmission discs are replaced to restore drive and reverse engagement when the clutch pack slips or fails to engage properly. Broken Tractor offers steel, metallic, and bronze friction discs across Case crawler dozer models from the 350 through 2050 series. Because some fitments split by serial number, verify your part number before ordering.
