J.D. Big 4 Mower Pitman Parts
Shop aftermarket Pitman replacement parts for vintage John Deere Big 4 / J.D. #4 sickle mowers.
How to order: Review the parts by page number below. Use the matching page drop-down menu to select a part. The price will be added to your order when you make a selection. To order another part from the same menu, add the first part to your cart, select Continue Shopping, and return to the menu. To clear a selection, choose Please Select.
Additional shipping charges may apply to orders that exceed the $19.95 base shipping rate. Read the parts, shipping, and return information below the drop-down menus before ordering.
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Description / J.D. Big 4 Mower Pitman Parts
Description / J.D. Big 4 Mower Pitman Parts
Parts ship directly from an Amish-owned business that does not use computers. Please allow 1–2 weeks for shipping.
A minimum flat $19.95 shipping and handling charge applies to every order. This covers processing, packing, drop shipping, and shipping costs for a typical order of a few parts. Larger orders may require an additional charge. If so, we will send you an invoice. Additional shipping invoices unpaid after 15 days are subject to a 10% handling and restocking fee.
Part numbers and reported model applications come from the supplied catalog and parts information. We do not guarantee fit for every listed model. Check your original parts manual and verify the part before ordering. Returned parts are subject to a 25% restocking fee.
Match the original drawing reference to the part number and corresponding photo page. Parts are sold individually unless specifically listed as a pair or set.
Page 1 — Pitman Parts
#1 & #14 — Z940H & Z8161H — Universal Pitman Strap SetÂ
Rear Strap Z940H and Front Strap Z8161H use IHC replacement straps M1578 & MA1577.
Replace it as a set. The replacement rear strap does not match the OEM J.D. rear strap.
#2 — Z939H — Pitman ForkÂ
Uses IHC MC1579 replacement latch fork.
#15 — Z8162 — Pitman SpringÂ
Uses IHC M1574 replacement spring.
Page 2 — Pitman Wood, Boxing & Washer Parts
#3 — Z8773H — Pitman Wood — 31-3/4" Long
Use the existing Cottage Craft Works retail price.
#4 — Z7087H — Pitman Washer PlateÂ
Uses IHC M1581 replacement washer plate.
#7 — AZ1457H — New-Style Pitman Boxing & Bushing
Note: Fits the plate with a 1-9/16" bushing hole.
Important: Will not fit the original 2-1/16" bushing hole.
#10 — Z7998H — Pitman Box Washer
Uses IHC M22221 replacement Pitman box washer.
Page 3 — #19 Pitman Plates
Important Pitman Boxing Information
J.D. Big 4 has different Pitman boxing and plate configurations.
The AZ1457H New-Style Pitman Boxing & Bushing fits a plate with a 1-9/16" bushing hole and will not fit the original 2-1/16" bushing hole.
The three additional plates have different applications:
Z7398H — Single-bearing unit
Z9340H — Old-style boxing with bushing
AZ1458 — AZ1457/AZ1457H new-style boxing
Customers should compare their existing assembly and dimensions before ordering.
 Z7398H — Pitman Plate
Fits the single-bearing unit.
Z9340H — Pitman PlateÂ
Fits the old-style boxing with bushing.
AZ1458 — Pitman PlateÂ
Fits AZ1457/AZ1457H New-Style Pitman Boxing.
Our Amish companies have been making replacements and sourcing parts since 1950 for what many consider antique or junk farm machinery today. In the late 1800s and early 1900s, nearly every farm used the same equipment, creating ample demand for replacement parts. As most farmers modernized throughout the 1900s, the Amish continued to rely on horse-drawn equipment, as many still do today.
Since this equipment is no longer in production and dealers no longer stock parts, it isn't easy to keep this vintage farm machinery operational. Both Amish and vintage farm machinery implement enthusiasts scour junkyards, farms, and tree lines in search of these long-abandoned implements for restoration.