Trusted for mining, marine, and power generation engines. Ruich Value’s Cummins K19 Crankshaft (OEM# 3418898) delivers OEM-level durability with forged steel construction. Bulk pricing available for distributors.
Engineered for Extreme Loads
The Cummins K19 Crankshaft is precision-forged from high-grade 42CrMo4 steel, optimized for Cummins KTA19, KTTA19, and QSK19 engines3. Key applications include:
- Mining Trucks: CAT 793F haulers, Komatsu HD785
- Marine Propulsion: 500–1,200 kW diesel generators
- Industrial Power Packs: Oil rigs, compressor stations
Key Features
- Forged Steel Core: Tensile strength ≥ 1,050 MPa for 200,000+ hour service life3.
- Fillet Induction Hardening: 55-60 HRC surface hardness reduces stress cracks under 2,586 N·m torque3.
- Dynamic Balancing: ±2g·mm tolerance ensures vibration-free operation up to 2,100 RPM.
- OEM Compliance: Direct replacement for Cummins® part 3418898 (KTA19/KTTA19/QSK19).
Technical Specifications
| Parameter | Specification |
|---|---|
| OEM Number | 3418898 (KTA19/KTTA19/QSK19) |
| Material | 42CrMo4 Forged Steel (SAE 4140 equivalent) |
| Length | 1,520 mm (±0.5mm) |
| Main Journal Diameter | 101.6 mm (±0.02mm) |
| Rod Journal Diameter | 88.9 mm (±0.02mm) |
| Weight | 350 kg (±1%) |
Compatible Engine Models
| Engine Series | Model Numbers |
|---|---|
| Cummins KTA19 | KTA19-G3, KTA19-G5, KTA19-G7 |
| Cummins QSK19 | QSK19-G4, QSK19-G8, QSK19-G11 |
Why Partner With Us?
- B2B Focus: MOQ 5 units with tiered discounts for bulk orders.
- Global Inventory: Shipped from US/EU warehouses in 5-7 days.
- Quality Assurance: 100% MPI/ultrasonic testing with 12-month warranty.
Related Products Supported
| Engine Model | OEM Number | Key Application | Material/Feature |
|---|---|---|---|
| Cummins K38 | 3022157 | Mining & Marine Engines | Centrifugal-cast G2500 iron1 |
| Cummins K50 | 3007525 | High-Torque Industrial Use | G3000 cast iron4 |
| Cummins 4BT/6BT | 3904166 | Agricultural Machinery | Forged steel |
| Cummins NT855/D85 | 3055099 | Mining & Oil Drilling | Precision-machined journals |
| Cummins 6CT/6D114 | 3907792 | Marine & Offshore | Fillet-hardened surface |
| Cummins ISF2.8L | — | Light Commercial Vehicles | Compact design for urban logistics |
| Cummins ISF3.8L | — | Medium-Duty Trucks | Optimized fuel efficiency |
| Cummins M11/LT10 | 3080760 | Fleet Vehicles | High torque at low RPM |
| Cummins QSB3.3 | — | Small Generator Sets | Low-emission compliant |
| Cummins A2300 | — | Rail & Locomotive Engines | V28 series design |
Custom Solutions: we can also develop customized/billet crankshaft per your drawing or samples
Contact Us
Email: syawilbur@foxmail.com
Phone/WhatsApp: +86 13889277673
Request Technical Datasheets! Get OEM-grade crankshafts with fast global delivery.
