WESPC Exhaust Valve Seat T406545 For Perkins T4.236 and AT4.236 Diesels Engine

Application:

The T406545 exhaust valve seat is produced for Perkins T4.236 and AT4.236 turbo-charged 4.0 L diesels, so it is fitted to agricultural tractors, combine harvesters, 60-120 kVA generator sets and compact wheel loaders that use these engines; the same insert is also specified for select Caterpillar C7.1 and 1204/1206 Series builds, giving one reference across construction, farming and power-generation fleets.

Technical specifications:

OD 43.1 mm, ID 33.0 mm, height 7.5 mm, 40° seat angle, 1.8 mm seating width; interference 0.06-0.08 mm for cast-iron heads, concentricity within 0.02 mm to prevent valve run-out under 220 bar peak pressure.

Material & performance features:

Vacuum-sintered Co-Cr-Mo cast iron, tempered to 45-50 HRC, with 30 % Cr, 1.2 % Mo, 0.8 % V for hot hardness of 38 HRC at 700 °C; lapped seat face Ra 0.6 µm beds in within 15 min and resists low-sulphur diesel, biodiesel and 20 % HVO, giving >12 000 h service before re-cut.

Interchange part numbers:

4307240R91, 4307315R91, KMP T406545.

WESPC(Dongguan)Tech Co., Ltd. is a wholly-owned subsidiary of WESPC Hong Kong.

The company has long been deeply engaged in the Perkins aftermarket spare parts sector, while also covering a wide range of multi-brand engines and related components. With years of professional expertise and a solid reputation, WESPC provides customers with diverse, one-stop solutions tailored to their needs.

Leveraging the global vision of its Hong Kong headquarters and the strategic location advantages of Dongguan, WESPC Dongguan is committed to building a highly efficient and reliable supply chain system, supported by professional technical expertise and comprehensive after-sales services, to continuously create greater value for its customers.

Looking ahead, the company will continue to expand its business landscape, keep pace with industry trends, and consistently enhance product and service quality—working hand in hand with global partners to achieve mutual growth and success.