Name: Front Axle Planetary Sun Gear (15-Tooth, 22-Spline) for Case 580K, 580 Super K, 590 Series
Brand: Case
SKU: K395114
Price: 125 USD
Availability: InStock

Front Axle Planetary Sun Gear (15-Tooth, 22-Spline) for Case 580K, 580 Super K, 590 Series

Case

SKU:: K395114
FitsModel:: 580K Phase I, 580K Phase III, 580 Super K, 590 Turbo, 590 Super L Series I, 590 Super L Series II, 590SM, 590SM Series 2, 590SM Series 3
ListDescription:: Front Axle Sun Gear
REFID:: 11

Part # K395114

Fits Models At A Glance:

Case 580 Series:
- Case 580K – Phase I (Before Serial # JJG0020000)
- Case 580K – Phase III (After Serial # JJG0020000)
- Case 580 Super K
Case 590 Series:
- Case 590 Turbo
- Case 590 Super L Series I: Serial # before JJG0210575
- Case 590 Super L Series II: Serial # after JJG0210575
- 590SM – Loader Backhoe (North America) (05/00 – 02/04)
- 590SM – Series 2 Loader Backhoe Tier 2 (NA) – ASN N4C309000 (01/03 – 12/08)
- 590SM – Series 3 Loader Backhoe Tier 3 (NA) – ASN N8C508500 (06/06 – 05/14)

Key Notes:

Part Number: K395114
Tooth Count: 15 Teeth
Spline Count: 22 Splines
Application: Front axle planetary sun gear — the central drive gear in the front axle planetary hub assembly that transmits torque to the planet gears for wheel drive
Location: Front axle planetary hub assembly
Note: Aftermarket replacement part

Why Choose Broken Tractor?

✅ Exact Gear Specs Verified – 15-tooth, 22-spline sun gear precisely matched for Case front axle planetary hub assembly
✅ Wide 580K Through 590 Super M Coverage – Confirmed across Phase I, Phase III, and all 590 series configurations
✅ Fast Shipping from a U.S.-Based Team – Keep your front axle rebuild moving with quick U.S. delivery

$125.00

Shipping charges are calculated at checkout.
Items are NOT guaranteed to be in stock at the time of order.
Refunds are offered if the item is on back-order.

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Did you accidentally purchase the incorrect part? We offer returns and exchanges here at Broken Tractor. To proceed with a return, please call us toll free, and we will provide you with return authorization and a step by step return process for your convenience. We are more than happy to help you exchange your part for the correct one! Give us a call at 1-800-909-7060 and we would be pleased to help you.

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Front Axle Planetary Sun Gear (15-Tooth, 22-Spline) for Case 580K, 580 Super K, 590 Series