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7/16" Hardened Washer for Case 580K, 580SL, 1845C, 90XT, 450C – A30013

SKU:
A30013
FitsModel:
430CK-680CK, 480B-480F, 580-580G, 580K, 580SD, 580SE, 580SK, 580L, 580SL, 580M, 580SM, 590 Turbo, 590SL, 590SM, 480LL, 570LXT, 570MXT, 584C-588G, M420, 310G, 350-550H, 1529-1845C, 40XT-95XT, W5, W5A, W11, W24, DH5
ListDescription:
7/16" Hardened Washer
7/16 inch hardened washer A30013 for Case 580K backhoe flywheel bolt
Part # A30013

Fits Models At A Glance:

  • Case Loader Backhoes (CK & B–G Series): 430CK, 480CK, 530CK, 580, 580B, 580C, 580D, 580F, 580G, 480B, 480C, 480D, 480E, 480F; 680CK — Serial Number 9106000 to 9111008
  • Case Loader Backhoes (Super D through Super M): 580 Super D (580SD), 580 Super E (580SE), 580K, 580 Super K (580SK), 580L, 580L Series 2, 580 Super L (580SL), 580SL Series 2, 580M, 580 Super M (580SM), 590 Turbo, 590 Super L (590SL), 590SL Series 2, 590 Super M (590SM)
  • Case Loader Landscapers & Loader Tractors: 480 LL, 480E LL, 480F LL, 570LXT, 570LXT Series 2, 570MXT, Utility Loader
  • Case Rough Terrain Forklifts: M420, 584C, 585C, 586C, 584D, 585D, 586D, 584E, 585E, 586E, 585G, 586G, 588G
  • Case Crawler Dozers & Loaders: 310G, 350, 350B, 400, 450, 450B, 450C, 455B, 455C, 500, 550, 550E, 550G, 550H
  • Case Skid Steers: 1529, 1700, 1825, 1830, 1835, 1835B, 1840, 1845, 1845B, 1845C, 1845S, 40XT, 60XT, 70XT, 75XT, 85XT, 90XT, 95XT
  • Case Wheel Loaders: W5; W5A — Serial Number 8174260 and Up; W11, W24
  • Case Trenchers: DH5 (188 and 207 diesel engines)

Key Notes:

  • Part Numbers: A30013
  • Type: Hardened flat washer for 7/16" bolts
  • Dimensions: 11.51 mm (0.45 in) ID x 19.05 mm (3/4 in) OD x 1.59 mm (1/16 in) thick
  • Common Applications: Flywheel-to-housing bolts on Case 188 and 207 diesel engines, hydraulic pump mounting bolts, and forklift hydraulic circuit fittings
  • Quantity Required: Sold individually — Case typically uses 4 per location
  • Serial Number Notes: On the 680CK, fits Serial Number 9106000 to 9111008. On the W5A, fits machines from Serial Number 8174260 and up. All other models listed fit every serial number.
  • Weight: 0.01 lbs (0.005 kg)
  • Condition: Aftermarket replacement part

Common Use Case or Symptoms: Use when reinstalling flywheel or hydraulic pump bolts, or when the old washers are cupped, cracked or missing — a hardened washer keeps bolt torque from relaxing under vibration, where a soft hardware-store washer will compress.

Why Choose Broken Tractor:

  • ✅ Hardened Washer — Not a Soft Hardware-Store Substitute – holds bolt torque on flywheels and pumps
  • ✅ One Washer Across Decades of Case Equipment – backhoes, skid steers, dozers and forklifts
  • ✅ Fast Shipping from a U.S.-Based Team – ready to ship from our U.S. warehouses
$2.00

Shipping calculated at checkout. If any item in your order is temporarily unavailable, we'll contact you to arrange a back-order or refund — whichever you prefer.

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Product: Category: Brand: Head Title: 7/16" Hardened Washer | Broken Tractor | A30013