J.D. Big 4 Mower Axle Drive, Flywheel Parts
Replacement axle drive, flywheel, clutch, pinion, bearing, bushing, and related drive parts for the John Deere Big 4 / J.D. #4 horse-drawn sickle mower.
Use the numbered parts diagram and select the corresponding part from the ordering options below. Includes original-style replacement parts and selected alternatives to maintain and rebuild vintage J.D. Big 4 mower drive assemblies.
Priced a la carte, using the drop-down boxes. Select the parts needed and the prices will incrementally add for each part(s) selected. To deselect, click Select Parts again.
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Description / J.D. Big 4 Mower Axle Drive, Flywheel Parts
How to Order: Use the numbered diagram to identify the part required for your J.D. Big 4 mower.
Select the appropriate Page 1 or Page 2 drop-down menu below. Choose the desired part, and its price will be added to the base product.
To order additional parts, click Continue Shopping, return to this page, reset the previous selection to Please Select, and select the next part.
A minimum $19.95 flat-rate shipping and handling charge applies to each order. This covers processing, packing, drop shipping, and normal shipping costs for a typical order containing a few parts. Larger or heavier orders may require additional shipping.
These parts ship directly from an Amish-owned supplier that does not use computers. Please allow approximately 1–2 weeks for processing and shipping.
If additional shipping is required, Cottage Craft Works will send a separate invoice. Additional shipping invoices remaining unpaid after 15 days are subject to a 10% handling/restocking charge.
Part numbers and model applications are based on available supplier and mower parts information. Because of the age of these machines and possible previous modifications, verify your original part and mower parts manual before ordering.
Returned parts are subject to a 25% restocking fee.
Page 1 — Axle & Drive Parts
#3 — Z7151H — Wheel Oil Seal
Replacement oil seal for the J.D. Big 4 mower wheel.
#24 — Z850H — Pinion
Drive pinion for the J.D. Big 4 mower.
.#25 — Z752H — Wrist Pin Nut
Nut used with the Z6722H wrist pin.
Alternative #26 — Z2139 — Wrist Pin
Special wrist pin used when installing an IHC double-bearing unit on a John Deere #4 mower.
#26 — Z6722H — Wrist Pin
Standard wrist pin.
Page 2 — Flywheel & Gearbox Drive Parts
#29 — Z7113H — Flywheel Shaft
#31 — Z862H — Flywheel Shaft Bushing
Replacement bushing for the flywheel shaft.
#32 — JD7678 — Flywheel Shaft Gearbox Bearing
Bearing for the flywheel shaft inside the gearbox.
#34 — Z851H — Pinion
Replacement pinion.
Page 3
Z865H — Timing Rod
#36 — Z849H — ClutchÂ
Page 4 — J.D. Big 4 Axle Bearings & Sleeves
#7 — 7541H — R.H. Axle Roller Bearing
#8 — 7491H — R.H. Axle Bearing Sleeve
#14 — 7492H — L.H. Axle Bearing Sleeve
#15 — 7542H — L.H. Axle Roller Bearing