WASHER SPRING LUNETTE TRAILER 1/4 TON
Spring washer lunette eye 1/4 ton trailer
For Bantam T-3, Willys MBT, M100 and M416 trailers
Spring washer for the lunette assembly of military 1/4 ton trailers. This component is fitted in front of the spring on the lunette pin and ensures proper operation of the pivot point between trailer and towing hitch. The spring washer forms part of the complete lunette assembly characteristic of WWII and later military trailers.
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Application 1/4 ton military trailer |
Type Flat washer |
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Position In front of spring on lunette pin |
Compatibility Bantam T-3, MBT, M100, M416 |
Features
- Flat washer for lunette assembly
- Used in front of spring on lunette pin
- Suitable for all military 1/4 ton trailers
- Part of the pivot mechanism
- Necessary for correct operation of lunette eye
★ Reproduction manufactured to original specifications for military 1/4 ton trailers.
Application
This spring washer fits all military 1/4 ton trailers: Bantam T-3 (WWII), Willys MBT (WWII), M100 (post-war) and M416 (Vietnam-era). The washer is used in combination with the lunette spring, castle nut and split pin to correctly mount the lunette pin in the lunette housing.
Installation notes
The washer is positioned in front of the spring on the lunette pin. Assembly sequence: lunette eye in housing, washer, spring, castle nut and split pin. The castle nut is not tightened fully — the lunette must rotate freely in the housing to allow the trailer to oscillate.
Compatibility
Whilst the lunette eyes of the MBT and M416 are interchangeable (same angled cut), the M100 has a different angle and does not fit MBT/M416 housings. The washers are, however, universal for all 1/4 ton trailers. Note: MBT lunette eyes are of thinner diameter than M416 examples.
Historical context
The lunette assembly with spring was a clever design that reduced jarring and stress between towing vehicle and trailer during sudden acceleration or stops. The pivot mechanism allowed trailer and vehicle to tilt in opposite directions — essential for off-road use during WWII.
This description was generated automatically. Unsure about fitment? Contact us at info@willys.be.
This part is intended for the restoration of historic military vehicles. Fitting, aligning, deburring or reworking is part of that work and is inherent to the nature of these goods. Dimensional variation also exists between original vehicles.
Installation requires technical knowledge of the vehicle. Unsure whether this part suits your version? Ask us before purchase at info@willys.be.