YZ91356 Genuine JOHN DEERE 3rd Stage Left-Hand Helical Gear 25 Teeth Merit Transmission Series, "5", "5", "2"
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YZ91356 Genuine JOHN DEERE 3rd Stage Left-Hand Helical Gear 25 Teeth Merit Transmission Series, "5", "5", "2"
This heavy-duty 3rd stage left-hand helical transmission gear is precision-forged with 25 synchronizing teeth designed to streamline continuous rotational tracking, optimize high-torque power engagement loops, and guarantee smooth, low-vibration shaft gear shifts under severe tillage workloads.
Key Features
- Designed to match or exceed applicable specifications
- Provides the function required for the intended system or assembly
- Built for dependable performance and service life
- Backed by JOHN DEERE quality and engineering.
Specifications
| Brand | JOHN DEERE |
| Part Type | John Deere 3rd Stage Left-hand Helical Gear 25 Teeth |
| SKU | YZ91356 |
| OEM Cross Reference | LS000433 Fits on:6403 - TRANSMISSION6003 Series / 6D Series (Merit) Transmission - PC96736603 - TRANSMISSION6003 Series / 6D Series (Merit) Transmission - PC96736115D - Tractor6100D, 6110D, 6115D, 6125D, 6130D, 6140D Tractors (S.N. -050000) (Worldwide Edition) - PC61006125D - Tractor6100D, 6140D Tractors (S.N. -050000) (Worldwide Edition) - PC61006100D - Tractor6100D, 6140D Tractors (S.N. -050000) (Worldwide Edition) - PC61006130D - Tractor6100D, 6140D Tractors (S.N. -050000) (Worldwide Edition) - PC61006110D - Tractor6100D, 6140D Tractors (S.N. -050000) (Worldwide Edition) - PC61006140D - Tractor6100D, 6140D Tractors (S.N. -050000) (Worldwide Edition) - PC61004045TP060 - Tractor6100D, 6140D Tractors (S.N. -050000) (Worldwide Edition) - PC61004045HP052 - Tractor6100D, 6140D Tractors (S.N. -050000) (Worldwide Edition) - PC61004045TP070 - Tractor6100D, 6140D Tractors (S.N. -050000) (Worldwide Edition) - PC61004045TP071 - Tractor6100D, 6140D Tractors (S.N. -050000) (Worldwide Edition) - PC61004045HP053 - Tractor6100D, 6140D Tractors (S.N. -050000) (Worldwide Edition) - PC61006105D - Tractor6105D iT4 Tractor (S.N. 050001 - 059999) (S.N. 060000- )(Engine: 4045HP056)(North America Edition) - PC61164045HP056 - Tractor6105D iT4 Tractor (S.N. 050001 - 059999) (S.N. 060000- )(Engine: 4045HP056)(North America Edition) - PC61166115D - Tractor6115D iT4 Tractor (S.N. 050001 - 059999)(S.N. 060000- )(Engine: 4045HP056)(North America Edition) - PC61174045HP056 - Tractor6115D iT4 Tractor (S.N. 050001 - 059999)(S.N. 060000- )(Engine: 4045HP056)(North America Edition) - PC61176130D - Tractor6130D iT4 Tractor (S.N. 050001 - 059999)(S.N. 060000- ) (North America Edition) - PC61184045HP057 - Tractor6130D iT4 Tractor (S.N. 050001 - 059999)(S.N. 060000- ) (North America Edition) - PC61184045HP056 - Tractor6130D iT4 Tractor (S.N. 050001 - 059999)(S.N. 060000- ) (North America Edition) - PC61186140D - Tractor6140D iT4 Tractor (S.N. 050001 - 059999)(S.N. 060000- )(Engine: 4045HP056, 4045HP057)(North America Edition) - PC61194045HP057 - Tractor6140D iT4 Tractor (S.N. 050001 - 059999)(S.N. 060000- )(Engine: 4045HP056, 4045HP057)(North America Edition) - PC61194045HP056 - Tractor6140D iT4 Tractor (S.N. 050001 - 059999)(S.N. 060000- )(Engine: 4045HP056, 4045HP057)(North America Edition) - PC6119 |
| Internal Barcode | LS000433 |
| Weight | 3.0 lb |
Brand Information
Brand: JOHN DEERE
As an elite international benchmark in heavy-duty agricultural drivetrain engineering and progressive gearbox design, John Deere utilizes carburized alloy steels, micro-finished tooth flanks to eliminate backlash, and automated case-hardening induction loops to manufacture transmission components that perform to exact original factory standards.
| Model | Component | Year | Serial Numbers |
|---|---|---|---|
| John Deere 6403, 6603 | Transmission 3rd Stage Helical Gear (25-Teeth) | 2006-2026 | All Models |
| John Deere 6003 Series / 6D Series | Transmission 3rd Stage Helical Gear (25-Teeth) | 2008-2026 | All Series |
| John Deere 6100D, 6110D, 6115D, 6125D | Mechanical Transmission 3rd Stage Gear | 2008-2015 | S.N. -050000 |
| John Deere 6130D, 6140D | Mechanical Transmission 3rd Stage Gear | 2008-2015 | S.N. -050000 |
| John Deere 6105D, 6115D, 6130D, 6140D iT4 | Mechanical Transmission 3rd Stage Gear | 2012-2026 | S.N. 050001+ |
Shipping and Delivery
Efficient, transparent shipping built for the heavy-duty trucking industry — from small packages to full freight.
Estimated shipping times
In-stock orders placed before 6 PM ET are processed the same business day; some products require 24–48 hours of processing. Transit estimates below begin after processing.
| Method | Transit time | Notes |
|---|---|---|
| Small Package Saver | 3–7 business days | Ideal for items under 10 lb; often the method behind FREE SHIPPING items |
| Ground | 1–6 business days | Primary carrier UPS, occasionally FedEx |
| Second Day Air | 2–3 business days | Contact our sales team for details |
| Next Day Air | 1–2 business days | Contact our sales team for details |
| Canada | 1–6 business days | Customs may add time and require additional information |
| Large Package Rate | 3–5 business days | Residential deliveries; the carrier may call to schedule |
| Will Call (pickup) | — | Request by phone; no shipping or handling charges |
Good to know
Free shipping promotions
Free-shipping promotions ship USPS or UPS with a 3–7 business day transit time. Valid in the contiguous 48 United States.
Freight & oversize
Freight/LTL quotes are based on delivery to commercial addresses with official business hours. Non-commercial addresses may require additional fees.
Canada & international
Contact support@i40truckparts.com for a custom quote. Customers are responsible for duties, taxes, and other charges.
Damaged shipments
Report damage within 24–48 hours of delivery — call or email us and we handle the claim. Please do not contact the manufacturer. Related cancellations are coordinated with our customer service team.
Refused shipments & stock
You may refuse a shipment, but please contact us in advance. Refused shipments can incur return shipping charges and the initial shipping charges, which are deducted from the refund. If an item is temporarily out of stock after you order, we notify you promptly with your options.
About i40 Truck Parts
Heavy-duty truck and trailer parts sourced from reputable manufacturers, verified for fitment by real people, and shipped fast from Candler, North Carolina. Fleet managers, owner-operators, and mechanics trust us to keep their equipment moving.
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