K19 Diesel Engine Assembly
High-performance 6-cylinder diesel engine assembly designed for excavators, mining equipment, marine applications, generators, and industrial machinery.
Engine Overview
K19 engine KTA19 QSK19 6 cylinder diesel engine 19L turbocharged aftercooled heavy duty mining haul truck excavator marine generator set industrial diesel motor replacement.
Key Features
- High strength alloy cast iron cylinder block with wet replaceable liners for excellent heat dissipation and easy maintenance
- PT fuel system or common rail injection for high pressure precise injection, full combustion, and low fuel consumption
- Holset turbocharger with air-to-air aftercooling for sufficient intake air and high power output
- 4 valves per cylinder with optimized combustion chamber design to improve fuel efficiency and reduce emissions
- Forged steel crankshaft and connecting rods with strong structure to withstand heavy load and continuous operation
- Compact structure with high power-to-weight ratio for easy installation in limited space
Technical Specifications
| Item |
Parameter Details |
| Main Engine Model |
K19 KTA19 QSK19 |
| Engine Structure |
Inline 6 Cylinder 4 Stroke Vertical Water Cooled Diesel |
| Total Displacement |
19L (1150 cu in) |
| Bore × Stroke |
159mm × 159mm Compression Ratio:13.5:1~15.5:1 |
| Rated Power/Speed |
450-700HP (336-522kW) @ 1500/1800/2100RPM |
| Max Torque |
1906-2729N*m @ 1500RPM |
| Intake Mode |
Turbocharged & Aftercooled |
| Fuel System |
PT Fuel System / Common Rail (QSK19) |
| Electric System |
24V Starting Motor and Matching Alternator |
| Emission Standard |
IMO Tier II EU Stage II EPA Tier 2 |
| Net Dry Weight |
1838KG |
| Overall Dimension |
2010×1067×1143MM |
| Cross Reference Engine Code |
KTA19-C525 KTA19-M550 KTA19-G4 QSK19 |
| Available Product Type |
New OEM Original Aftermarket New Rebuilt Machined Unit |
| FOB Price Range |
$8500~$28000 based on product quality grade |
Compatible Applications
| Applicable Machine Model |
Compatible Engine Model |
Alternative Part Number |
| Mining Haul Truck Excavator |
KTA19-C525 K19-C600 |
3804669 4915305 3044516 |
| Marine Main Engine Propulsion |
KTA19-M550 QSK19-M |
3804709 4915306 3044517 |
| 350-500KVA Diesel Generator Set |
KTA19-G3 KTA19-G4 |
3804670 4915307 3044518 |
| Wheel Loader Bulldozer Heavy Equipment |
K19 Industrial Spec |
3804671 4915308 3044519 |
| Oil Gas Drilling Rig Compressor |
KTA19-P600 |
3804672 4915309 3044520 |
Application Details
Original and rebuilt K19 full engine assembly 19L inline six-cylinder turbocharged aftercooled diesel unit widely used for mining haul trucks, excavators, marine vessels, generator sets and heavy industrial equipment with reliable performance and easy maintenance.
Frequently Asked Questions
What is the difference between KTA19 and QSK19?
KTA19 uses PT fuel system with mechanical or electronic control, while QSK19 adopts common rail fuel system with electronic control for higher power and better emission performance.
What is the life expectancy of K19 engine?
With proper maintenance, K19 engine can reach 20,000+ hours service life.
Is K19 engine suitable for marine use?
Yes, K19-M series is specially designed for marine applications and complies with IMO emission standards.
