Case Construction OEM Part No. J901774

Flywheel Ring Gear

Case Construction

$262.02 Available
89 verified fitments
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30-day returnsNew, unused parts
OEM guaranteedDirect from manufacturer
Machine Model Years / S/N
CASE CRAWLER EXCAVATOR (NORTH AMERICA) 125B 1988 – 1989
CASE UNI-LOADER SKID STEER LOADER 1840 1989 – 2001
CASE UNI-LOADER SKID STEER LOADER (NORTH AMERICA) 1845C 1985 – 2001
CASE SKID STEER LOADER 40XT 2001 – 2005
CASE POWER UNIT 4390 1991 – 1995
CASE POWER UNIT 4390T 1995
CASE IH IRRIGATION POWER UNIT 4391 1999
CASE IH IRRIGATION POWER UNIT 4391T 1999
CASE IH IRRIGATION POWER UNIT 4391TA 1999
CASE LONG TRACK CRAWLER TRACTOR 450C 1983 – 1994
Replaces: 4593901774; 1484115; 153648965; 3901774; 75288300; 76191897
  • Weight: 1.34 kg

Compatible equipment

This part fits CASE CRAWLER EXCAVATOR (NORTH AMERICA), CASE UNI-LOADER SKID STEER LOADER, CASE UNI-LOADER SKID STEER LOADER (NORTH AMERICA), CASE SKID STEER LOADER, CASE POWER UNIT, CASE IH IRRIGATION POWER UNIT, CASE LONG TRACK CRAWLER TRACTOR, CASE CONSTRUCTION KING LOADER BACKHOE, CASE IH MAXXUM TRACTOR (NORTH AMERICA), CASE IH DIESEL TRACTOR, CASE IH MAXXUM TRACTOR, LOADER BACKHOE (NORTH AMERICA), LOADER BACKHOE (NORTH AMERICA) (ASN JJG0020000), CASE SUPER-E CONSTRUCTION KING LOADER BACKHOE, SERIES 2 LOADER BACKHOE - ASN JJG0239360, CASE CONSTRUCTION KING FORKLIFT, SERIES 2 LOADER BACKHOE - ASN JJG0210575, CASE IH SELF-PROPELLED WINDROWER, CASE CRAWLER TRACTOR, SERIES 1 CRAWLER - 07/01/2002 - 01/31/2005, CASE TRENCHER, CASE SERIES-2 TELESCOPIC HANDLER, CASE TELESCOPIC HANDLER, CASE TIER-2 TELESCOPIC HANDLER, CASE SKID STEER LOADER - ASN JAF0318922 (NA) JAF0352169 (EU), MOTOR GRADER TIER I (BR) - ASN N8AF07000, CASE SKID STEER LOADER - ASN JAF0352234 (NA) JAF0352715 (EU), CASE TURBO TRENCHER, TRENCHER SUPPLEMENT (NORTH AMERICAN HOMOLOGATION), MOTOR GRADER TIER 3 (BR) - ASN N8AF04429, CASE IH SELF-PROPELLED WINDROWER TRACTOR, MOTOR GRADER TIER 0 - TIER 2 (BR) - ASN N8AF05114, MOTOR GRADER TIER 3 (BR) - ASN N8AF05110, CASE IH SELF-PROPELLED ROTARY WINDROWER TRACTOR, CASE SKID STEER LOADER - ASN JAF0320050 (NA) JAF0274262 (EU), CASE SKID STEER LOADER - ASN JAF0311357 (NA) JAF0274360 (EU), CRAWLER DOZER (N.A. VERSION), MOTOR GRADER TIER 1 - TIER 2 - ASN N8AF00626, VARIABLE POWER MOTOR GRADER, WHEEL LOADER (N.A. VERSION), MOTOR GRADER S/N 98L00120 & AFTER, POWER UNIT, QSB - MOTOR GRADER, CASE UNIT LOADER, CASE WHEEL LOADER including models 125B, 1840, 1845C, 40XT, 4390, 4390T, 4391, 4391T, 4391TA, 450C, 455C, 480E, 480E LL, 480F, 480F LL, 5120, 5150, 5220, 550, 580E, 580K, 580SE, 580SL, 580SM, 584E.

Frequently asked questions

What is the part number?

The manufacturer part number is J901774.

Is this a genuine OEM part?

Yes. Southeastern Equipment stocks OEM and quality aftermarket parts for heavy equipment. Contact us if you need a specific OEM source or aftermarket option.

Will this fit my machine?

See the compatible equipment list above. If your model is not listed, call us with your machine's serial number and we can confirm.

Where does this ship from?

Southeastern Equipment Company ships parts nationwide from our US warehouse. Orders placed before 2 PM ET typically ship same day.

WARNING:For California residents — Cancer and Reproductive Harm. www.P65Warnings.ca.gov

Replaces the following OEM and aftermarket part numbers. Click any reference to find matching parts.

Manufacturer part number
J901774
Brand
Case Construction
Condition
OEM, new
Category
Case Construction
Weight
2.95 lb

Ships nationwide. In-stock parts ordered before 2:30 PM ET ship the same business day. Your exact shipping cost and delivery estimate are calculated at checkout from your ZIP code and the part’s size and weight; oversized and truck-freight items may need extra transit time and freight charges.

Free branch pickup is also available across Ohio, Indiana, Michigan, and Kentucky — just choose it at checkout.

30-day returns. New, unused parts in original packaging may be returned within 30 days. Some items — including electrical, special-order, and direct-from-supplier parts — are non-returnable. See our full return policy.

$262.02

This part appears in these diagrams

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