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Cummins Engine Parts

Genuine 3636821 50MT Starter Motor for Cummins KTA19 KTA38 KTA50 NTA855 Engines

50MT direct drive starter motor for Cummins KTA19, KTA38, KTA50 and NTA855 engines. 24V, 11-tooth, SAE 3.

SKU: 3636821
Description Additional information

Starter motor 3636821, CCEC number 3636821-20, is the 50MT direct drive unit covering Cummins KTA19, KTA38, KTA50 and NTA855 engines from a single part number. It runs 24 V with an 11-tooth clockwise pinion at 6/8 pitch, mounting to SAE 3 with the solenoid at 278° and insulated polarity. The 50MT construction is built for cranking in extreme cold, at altitude and under continuous heavy duty.

Specifications

Part Number 3636821 (CCEC Part No.: 3636821-20)
Product Name Starter Motor Assembly
Model 50MT Direct Drive
Brand Cummins
Voltage 24V
Rotation Direction Clockwise (CW)
Pinion Teeth 11 Teeth
Pinion Pitch 6/8
Mounting Type SAE 3
Solenoid Position 278°
Polarity Insulated
Application Field Compatible Models/Equipment
Diesel Generator Sets KTA50-G3/G8/GS8/G15/G16, KTA38-G/GA/G1/G2/G2B/G2A/G5/G9, etc.
Construction Machinery Shantui SD52-5 Bulldozer, Large Excavators, Loaders, Mining Dump Trucks
Marine Power Passenger Ships, Cargo Ships, Main Engines & Auxiliary Engines for Engineering Vessels
Oilfield Equipment Drilling Platforms, Fracturing Trucks, Workover Rigs
Mining Equipment Underground Loaders, Mining Trucks, Crushers
Railway Locomotives Auxiliary Power Units for Diesel Locomotives
Advantage Description
50MT Heavy-Duty Construction Built to deliver reliable cranking power in extreme cold, high-altitude and continuous heavy-duty operating conditions.
Exceptional Cross-Series Compatibility Fits KTA19, KTA38, KTA50 and NTA855 engines, eliminating the need for multiple part numbers in inventory.
Genuine CCEC Quality Precision-manufactured and factory-tested to Cummins specifications for long-term reliability.
Direct Drop-In Replacement No modifications required, allowing quick and easy installation to minimize engine downtime.
Fast Shipping & Bulk Support Ready stock with 3-15 day lead times, plus competitive wholesale pricing for fleet and industrial clients.

Key Features

  • 50MT direct drive design
  • 24 V, 11-tooth pinion, clockwise rotation, 6/8 pitch
  • SAE 3 mounting, solenoid at 278°, insulated polarity
  • One part number covers KTA19, KTA38, KTA50 and NTA855
  • Built for extreme cold, high altitude and continuous heavy duty
  • Direct drop-in replacement, no modification required

Typical Applications

  • KTA50-G3/G8/GS8/G15/G16 and KTA38 generator sets
  • Shantui SD52-5 bulldozers, large excavators, loaders, mining dump trucks
  • Passenger, cargo and engineering vessel main and auxiliary engines
  • Drilling platforms, fracturing trucks and workover rigs
  • Diesel locomotive auxiliary power units

Ordering from Sino Bus Parts

  • Wholesale pricing; bulk orders welcome
  • Global shipping
  • Fitment confirmed against your engine serial or CPL before dispatch
  • Contact us on WhatsApp for a quotation
Part Number

3636821

Fitment

Cummins KTA19/KTA38/KTA50/NTA855 Engines

Product Type

50MT Starter Motor

Quality Standard

Genuine CCEC

MOQ

1 Piece (Bulk Orders Accepted)

Lead Time

3-15 Days

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