WESPC Speed Sensor U5MK1234 For Perkins 1104D-E44T 1104D-E44TA Engine

Application:

Speed Sensor U5MK1234 is a crankshaft speed and position sensor engineered for the Perkins 1104D-E44T, 1104D-E44TA and 1106D-E66TA turbocharged diesel engines (4.4 L and 6.6 L). These engines are widely installed in Massey Ferguson 5400 series (5445, 5455, 5460, 5465, 5475), 6400 series (6445, 6455, 6465, 6475, 6480) and 7400 series (7465, 7475, 7480) agricultural tractors, mid-range combine harvesters, 60–250 kVA generator sets, plus 7- to 14-ton hydraulic excavators, wheel loaders and skid-steer loaders operating in agricultural, construction and industrial environments worldwide.

Technical specifications:

Thread interface M12 × 1.5 with 19 mm hex and 30 mm probe reach for direct mounting into the flywheel housing. Output signal is digital Hall-effect, 3-wire, 5 Vdc supply, 0–8 kHz frequency range corresponding to 0–4 000 r/min crankshaft speed, with built-in reverse-polarity and load-dump protection to +40 Vdc.

Material & performance features:

Probe body is precision-machined from 1.4305 (AISI 303) stainless steel for superior resistance to engine oil, coolant splash and road salt; the sensing tip is over-moulded in high-temperature PPS polymer rated to 150 °C and incorporates a rare-earth magnet for stable signal amplitude across the full temperature envelope.

Interchange part numbers:

U5MK1234, 4226444M91, 238-0120, 10000-12340, 2755A020.

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.