📌 Product Overview

New Holland / Case IH Ignition Key designed for the ignition and electrical control system of compatible CNH agricultural tractors.

OEM Part Number: 51561981

The key is used to start the machine and works with the tractor's ignition system. CNH also notes that the ignition system interacts with machine safety functions such as the parking brake and hydraulic lift control.

🔧 OEM / Cross Reference Details

SpecificationDetails
Main OEM Number51561981
Previous OEM Number84416715
Part TypeIgnition Key
CNH DescriptionKEY, IGNITION
Key TypeBlue Key
ReferenceKEY-24773
Brand ApplicationNew Holland / Case IH
Quantity1 Piece

CNH dealer records explicitly state that 84416715 was replaced by 51561981. The key is also cataloged as “BLUE KEY-24773.”

🚜 Compatible New Holland Models

T4 Series

  • T4.55
  • T4.65
  • T4.75
  • T4.85
  • T4.90
  • T4.95
  • T4.100
  • T4.105
  • T4.110
  • T4.115
  • T4.120

T5 Series

  • T5.90
  • T5.95
  • T5.100
  • T5.105
  • T5.110
  • T5.115
  • T5.120

T5 S Series

  • T5.90S
  • T5.100S
  • T5.110S

PowerStar Series

  • PowerStar 65
  • PowerStar 75
  • PowerStar 90
  • PowerStar 100
  • PowerStar 110
  • PowerStar 120

TS6 Series

  • TS6.110
  • TS6.120
  • TS6.130
  • TS6.140

Workmaster Series

  • Workmaster 95
  • Workmaster 105
  • Workmaster 120

The CNH dealer catalog reports 51561981 fitting more than 100 machine configurations, with particularly broad coverage across T4, T5, PowerStar, TS and Workmaster families.

🟥 Compatible Case IH Models

Farmall A Series

  • Farmall 90A
  • Farmall 95A
  • Farmall 100A
  • Farmall 105A
  • Farmall 110A
  • Farmall 115A
  • Farmall 120A

CNH catalog data confirms 51561981 applications on Farmall A tractors, including Farmall 95A, 105A and 115A, while later configurations include the 90A, 100A, 110A and 120A.

⚙️ Technical Information

  • OEM Part Number: 51561981
  • Previous Part Number: 84416715
  • Part: Ignition Key
  • Key Color: Blue
  • CNH Reference: KEY-24773
  • Application: Tractor ignition system
  • Approx. Weight: 15 g
  • Quantity: 1 Piece

The official CNH store lists a package weight of approximately 15 g.

⭐ Product Features

✔ OEM 51561981
✔ Replaces 84416715
✔ Blue ignition key
✔ CNH reference KEY-24773
✔ New Holland & Case IH application
✔ Suitable for T4 and T5 Series tractors
✔ Suitable for PowerStar and Workmaster tractors
✔ Suitable for Case IH Farmall A Series
✔ Direct replacement for compatible CNH ignition systems
✔ 1 piece supplied

🌾 Applications

This ignition key is designed for compatible CNH agricultural equipment and can be used for:

  • Tractor ignition systems
  • Replacement of lost or damaged ignition keys
  • New Holland tractor maintenance
  • Case IH tractor maintenance
  • Agricultural machinery electrical systems

🔍 eBay Search Keywords

51561981, 84416715, New Holland 51561981, Case IH 51561981, CNH Ignition Key, New Holland Ignition Key, Case IH Ignition Key, Tractor Ignition Key, Tractor Starter Key, Blue Ignition Key, KEY-24773, T4 Ignition Key, T4.75 Key, T4.85 Key, T4.95 Key, T4.105 Key, T4.115 Key, T5 Ignition Key, T5.95 Key, T5.105 Key, T5.115 Key, PowerStar Ignition Key, Workmaster Ignition Key, Farmall Ignition Key, Farmall 95A Key, Farmall 105A Key, Farmall 115A Key

📩 Fitment Notice

Please verify OEM part number 51561981 / 84416715 before purchasing.

Compatibility may vary according to the machine's model, serial number, production year and ignition system configuration. CNH dealer catalogs specifically caution that a model appearing in the application list does not guarantee compatibility with every serial-number configuration.

🎯 Recommended eBay Item Specifics

Part Type: Ignition Key
Manufacturer Part Number: 51561981
OE/OEM Part Number: 51561981 / 84416715
Reference: KEY-24773
Color: Blue
Compatible Brand: New Holland / Case IH
Quantity: 1 Piece