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Case Dozer Transmission Gears & Shafts

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Case Dozer Transmission Gears & Shafts parts list
Image Fits Model Description Part # Price Product Details
Case Backhoe Driveshaft U Joint -- 256198A1 | Broken Tractor See Details 480C, 480D, 480E, 480E LL, 480F, 480F LL, 480LL, 580C, 580D, 580G, 580K, 580SD, 580SE, 580SK, 590 Turbo, 450B, 455B, 450C, 550, W4, 1835, 1835B, 1835C, 1845, 1845B, 1845C, 1845S, 90XT, 95XT Driveshaft U Joint 256198A1
$51.00
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Case-Dozer-Transmission-Reverse-Gear See Details 310, 310B, 310C, 310D, 310E, 310F, 310G, 320, 350, 350B Low & Reverse Gear (14-Teeth, 10-Splines) 11363
$83.00
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Case torque converter output shaft A186527 See Details 580K*, 580 Super K, 590 Turbo, 550*, 550E, 550G, 550H, 650, 650G, 650H, 750H, 850E, 850G, 850H, 855E Torque Converter Output Shaft A186527
$134.00
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Case-Dozer-Second-Speed-Gear See Details 310, 310B, 310C, 310D, 310E, 310F, 310G, 320, 350, 350B Second Gear (19-Teeth)(10-Spline) 11365
$75.00
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Case Constant Mesh Gear (25 Teeth)(10 Spline) -- 11366 | Broken Tractor See Details 310, 310B, 310C, 310D, 310E, 310F, 310G, 320, 350, 350B Constant Mesh Gear (25 Teeth)(10 Spline) 11366
$95.00
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First & Reverse Countershaft Gear 35T 10S for Case Dozer 310, 310B, 310C, 310D, & more See Details 310, 310B, 310C, 310D, 310E, 310F, 310G, 320, 350, 350B Gear (35 Tooth, 10 Spline) 11373
$285.00
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Second & Third Sliding Gear (30 Teeth, 10 Splines) for Case Dozer 310, 310B, 310C, & more See Details 310, 310B, 310C, 310D, 310E, 310F, 310G, 320, 350, 350B Gear (30 Teeth, 10 Splines) 11374
$43.00
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Case Third Countershaft Gear (24 Teeth) -- 11375 | Broken Tractor See Details 310, 310B, 310C, 310D, 310E, 310F, 310G, 320, 350, 350B Gear (24 Teeth) 11375
$285.00
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Case 310 310B 310C 310D 310E 310F 310G dozer transmission reverse idler gear 11383 See Details 310, 310B, 310C, 310D, 310E, 310F, 310G, 320, 350, 350B Reverse Idler Gear (19 and 22 Teeth) 11383
$124.00
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Right-hand rear gear carrier plate with bushings by Broken Tractor. See Details 310, 310C, 310D, 310E, 310F, 310G, 350 Ring Gear Carrier (Right Hand) 11412
$165.00
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Case Left 310, 350 Differential Carrier --11410 | Broken Tractor See Details 310, 310C, 310D, 310E, 310F, 310G, 350 Differential Carrier (Left Hand) 11410
$980.00
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Case Backhoe / Dozer Drive Shaft Clamp Bracket -- D124146 | Broken Tractor See Details 480D, 480E, 480F, 580E, 580 Super E, 580K, 580 Super K, 590 Turbo, 550, 550E, 550G, 550H, 584D, 584E, 585D, 585E, 586D, 586E Drive Shaft Clamp Bracket D124146
$2.50
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Case Backhoe Front Axle Drive Shaft Clamp Kit Retainer See Details 521E, 521G, 521F, 570N EP, 570MXT, 570NXT, 580K, 580L, 580SL, 580M, 580N, 580N EP, 580SN, 580SM, 580SN WT, 580SM+, 590SL, 590SM, 590SM+, 590SN, 621E, 621F, 621G, 850H, 850G, 850E, 855E, 750H, 650H, 650G, 650 Driveshaft Retainer Kit 87538515
$18.00
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Case Dozer Driveshaft U-Joint Kit See Details 850B, 850C, 850D*, 855C, 855D* U-Joint, Powershift Trans Driveshaft L36152
$76.00
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Driveshaft U-Joint Spider for Case See Details 680C, 680E, 680G, 680H, 680K, 680L, 780B, 780C, 780D, W11, W11B*, W14*, W14B*, W14C*, W18*, W18B*, W20*, W20B*, W20C*, 1450*, 1450B, 1455B U-Joint Spider, Axle Drive Shaft L31776
$40.00
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Transmission gears, shafts, and driveline components for Case crawler dozers, including constant mesh gears, countershaft gears, sliding gears, idler gears, differential carriers, torque converter output shafts, and driveshaft U-joints across the 310 through 855 series machines.

Fits Models At A Glance

  • 310 Series: 310, 310B, 310C, 310D, 310E, 310F, 310G
  • 320/350 Series: 320, 350, 350B
  • 550 Series: 550, 550E, 550G, 550H
  • 650/750 Series: 650, 650G, 650H, 750H
  • 850/855 Series: 850B, 850C, 850D, 850E, 850G, 850H, 855C, 855D, 855E

Key Notes

  • Gears: Constant mesh, sliding, countershaft, and reverse idler gears in various tooth and spline counts.
  • Shafts: Input shafts, torque converter output shafts, and driveline shaft components.
  • Driveline: U-joints, retainer kits, and clamp brackets for power transfer.
  • Differential: Left and right differential ring gear carriers for 310 and 350 crawlers.
  • Condition: New and used components available across generations.

Why Choose Broken Tractor

  • ✅ Deep inventory of Case crawler driveline parts
  • ✅ Verified fitment by model and spline count
  • ✅ Fast shipping from two US locations

Frequently Asked Questions

What transmission gears fit a Case 310 dozer?

Broken Tractor carries several transmission gears for the Case 310 series, including a Low & Reverse Gear (14 teeth, 10 spline, SKU 11363), a Constant Mesh Gear (25 teeth, 10 spline, SKU 11366), a First & Reverse Countershaft Gear (35 teeth, 10 spline, SKU 11373), and a Second & Third Sliding Gear (30 teeth, 10 spline, SKU 11374). Most of these also fit the 310B through 310G, 320, 350, and 350B crawlers. Match the tooth and spline count to your existing gear to confirm the correct fit.

How do I identify the right transmission gear for my Case dozer?

Identify the gear by its tooth count and spline count, since Broken Tractor lists these specs for each part. For example, the Third Countershaft Gear (SKU 11375) has 24 teeth, while the Reverse Compound Idler Gear (SKU 11383) has 19 and 22 teeth. Count the teeth and splines on your worn gear and match them to the part, or confirm with our parts team before ordering.

Does the torque converter output shaft A186527 fit my Case dozer?

The Torque Converter Output Shaft A186527 fits Case 550, 550E, 550G, 550H, 650, 650G, 650H, 750H, 850E, 850G, 850H, and 855E crawlers. Fitment on some models can depend on serial number, so match the part number A186527 to your machine or confirm with the parts team before ordering.

Which differential carrier fits a Case 310 crawler?

Broken Tractor offers both a Right-Hand Rear Differential Ring Gear Carrier Plate (SKU 11412) and a Left-Hand Differential Carrier (SKU 11410) for Case 310 series crawlers. Both fit the 310, 310C, 310D, 310E, 310F, 310G, and 350. Order the correct side for the position you are replacing.

What driveshaft U-joint fits a Case 850 dozer?

The Case Dozer Driveshaft U-Joint (SKU L36152) fits the 850B, 850C, 850D, 855C, and 855D crawlers. Fitment on the 850D and 855D can depend on serial number, so match the part number to your machine or call the parts team at (800) 909-7060 to confirm.

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Product: Category: Case Dozer Transmission Gears & Shafts Brand: Head Title: Case Dozer Transmission Gears & Shafts | Broken Tractor