iOVERVIEW
The Ignition Switch 1874535M3 is a vital component for tractors, fitting models like 231, 240, 250, etc. It comes with keys and features 6 spade terminals. With a 4-position function (OFF/IGN/HEAT/START), 2 spades are 0.375" wide and 4 are 0.250" wide, while the threaded end measures 0.625". This switch controls the electrical supply to the ignition system, ensuring smooth tractor startups for various farming operations.
★KEY FEATURES
Robust Construction
High-grade materials resist vibrations, dust and harsh conditions, ensuring long life with minimal replacements.
Superior Electrical Conductivity
Copper alloy conductors enable efficient power transfer, ensuring reliable startups in cold or high-load scenarios.
Precise 4-Position Function
OFF/IGN/HEAT/START settings offer flexible control for accessories, cold-weather pre-heating and engine ignition.
Perfect Fit & Easy Installation
Custom-designed for Massey Ferguson tractors (231, 240, 250 etc.), with matching dimensions and included keys for quick setup.
Quality-Tested
100% verified for mechanical and electrical performance, guaranteeing consistent, trouble-free operation.
⚙TECHNICAL PARAMETERS
| Part Number |
1874535M3 |
Country of Origin |
China |
| Terminal Configuration |
6 spade terminals (2x 0.375" wide, 4x 0.250" wide) |
| Functional Positions |
4-position design (OFF/IGN/HEAT/START) for multi-scenario control |
| Compatible Models |
Tractors such as 231, 240, 250, 253, 270, 282, 283, 290, 298, 360, 375, 383, 390, 398, 3050, 3060, 3070, 3090, 3505, 3525, 3545, 3630, 3650, 3680 |
| Package |
Standard Industrial Carton |
Condition |
Brand New |
✔APPLICATION & COMPATIBILITY
The part number 1874535M3 refers to an ignition key switch, commonly used in tractors. It is a replacement part for various tractor models, including the 231, 240, 250, 253, 270, 282, 283, 290, 298, 360, 375, 383, 390, and 398, as well as models like 3050, 3060, 3070, 3090, 3505, 3525, 3545, 3630, 3650, and 3680. It is also compatible with some David Brown and Case IH tractor models.
⚒CRAFTSMANSHIP & QUALITY
The ignition switch 1874535M3 typically includes the switch itself and two keys. It is designed for easy installation, often involving simply replacing the old or damaged switch. The part is made of high-quality materials, like aluminum alloy, and is known for its durability and resistance to high temperatures.
Comprehensive testing is performed before leaving the factory (including but not limited to dimensional accuracy testing, performance testing, fit accuracy testing, flaw detection, etc.) to ensure that customers get high-quality and high-performance products.
FAQ
What are the four positions of this ignition switch?
The switch features a 4-position function, which includes OFF, IGN (Ignition), HEAT (Pre-heating), and START.
How many terminals does the 1874535M3 have?
It is equipped with 6 spade terminals. Two terminals are 0.375" wide, and four are 0.250" wide.
Is this switch compatible with Massey Ferguson tractors?
Yes, it is custom-designed for a wide range of Massey Ferguson models, including the 231, 240, 250, 390, 3060, and many others.
What materials are used to ensure durability?
The switch is constructed using high-quality aluminum alloy and copper alloy conductors for superior conductivity and resistance to heat and vibration.
Does the ignition switch come with keys?
Yes, the ignition switch 1874535M3 typically includes the switch unit and two matching keys.
Has this product been tested for quality?
Every switch undergoes comprehensive factory testing, including dimensional accuracy, performance, and fit accuracy tests to ensure reliability.
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