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3801668 Cummins Camshaft For NT855 Engine
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Cummins Engine Parts

3801668 Cummins Camshaft For NT855 Engine

3801668 stc camshaft for Cummins NTA855, NT855 and Big Cam engines.

SKU: 3801668
Description Additional information

3801668 is the stc camshaft fitted to Cummins NTA855, NT855 and Big Cam engines. It is made from forged Steel. Published figures include hardness HRC 58–62 (induction-hardened lobes/journals), journal diameter 63.5mm (Big Cam standard), length ~1040mm.

Specifications

Part Number 3801668
Fit Engine Cummins NT855 / NTA855 (Big Cam II/III/IV, STC-equipped)
Fuel System STC (Step Timing Control) Mechanical Pump
Material High-strength forged steel
Hardness HRC 58–62 (induction-hardened lobes/journals)
Hardened Layer Depth ≥ 2mm
Valve Lift Intake: 8.13mm / Exhaust: 7.87mm
Journal Diameter 63.5mm (Big Cam standard)
Length ~1040mm
Applications Generator sets (250–350kW), construction machinery, marine equipment

Key Features

  • Forged Steel
  • Fit Engine: Cummins NT855 / NTA855 (Big Cam II/III/IV, STC-equipped)
  • Fuel System: STC (Step Timing Control) Mechanical Pump
  • Material: High-strength forged steel
  • Hardness: HRC 58–62 (induction-hardened lobes/journals)
  • Hardened Layer Depth: ≥ 2mm

Typical Applications

  • Generator sets (250–350kW)
  • construction machinery
  • marine equipment

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

3801668
Fitment

Cummins NT855 / NTA855（Big Cam II/III/IV, STC ）
Product Type

STC Camshaft
Material

Forged Steel
Quality Standard

Genuine Cummins CCEC
MOQ

1piece (Bulk Orders Accepted）
Lead Time

3-15 Days Global Shipping

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