Cummins NT855 Crankshaft
Cummins NT855 crankshaft is a core transmission component engineered for NT855 series heavy-duty diesel engines, compatible with Shantui TY230 bulldozers, Yishan TY200 bulldozers, mining dump trucks and various stationary generator sets. As the central power-output shaft of the engine, it is integrally forged from high-strength alloy steel, followed by quenching and tempering treatment plus induction hardening on journal surfaces to reach a hardness of HRC55–60. It boasts outstanding fatigue resistance and wear resistance, capable of enduring bending and torsional stress generated during long-term high-load operation (torque range: 1420–1790 N·m), serving as an essential foundational part to sustain continuous and efficient equipment performance.
Cummins NT855 Crankshaft
Product Overview
Cummins NT855 crankshaft is a core transmission component engineered for NT855 series heavy-duty diesel engines, compatible with Shantui TY230 bulldozers, Yishan TY200 bulldozers, mining dump trucks and various stationary generator sets. As the central power-output shaft of the engine, it is integrally forged from high-strength alloy steel, followed by quenching and tempering treatment plus induction hardening on journal surfaces to reach a hardness of HRC55–60. It boasts outstanding fatigue resistance and wear resistance, capable of enduring bending and torsional stress generated during long-term high-load operation (torque range: 1420–1790 N·m), serving as an essential foundational part to sustain continuous and efficient equipment performance.
Core Parameters
All key parameters strictly comply with Cummins OEM standards for NT855 engines, with mainstream part numbers including 3648618 and 4098997. It adopts an integral full-support structure with seven main journals: main journal diameter 139.7 mm, connecting rod journal diameter 101.6 mm. The large journal overlap significantly enhances crankshaft rigidity and strength, lowering vibration and deformation during operation.
Its core functions fall into three categories: power conversion, accessory drive and vibration balance.
It converts piston reciprocating motion into rotary motion via connecting rods, transmitting power to the flywheel and transmission system;
Front-end gears drive auxiliary parts including camshaft, fuel pump and water pump to coordinate valve timing, fuel supply and cooling systems;
Integrated counterweights undergo dynamic balance testing with residual unbalance controlled within 10 g·cm, drastically reducing engine vibration and improving operator comfort and component service life.
Product Advantages
Application Scenarios
Suitable for three major sectors: construction machinery, mining equipment and generator sets, including Shantui TY230/TY160 bulldozers, Yishan TY200 bulldozers, mining dump trucks, soil stabilizers, and 200–300 kW stationary generator sets. It is the top OEM-grade replacement part for NT855 engine overhaul and component renewal.
Cummins M11 Crankshaft
Product Overview
Cummins M11 crankshaft is a core transmission component specially developed for M11 series full-electronic diesel engines, compatible with Xi'an Cummins ISM11, QSM11 and other models. It is widely fitted on heavy-duty trucks such as Shaanxi Automobile Delong and Auman, as well as construction machinery including XCMG excavators and Sany rotary drilling rigs.
As the precision power-output shaft of electronically controlled engines, this crankshaft is integrally forged from high-strength alloy steel, followed by quenching & tempering and induction hardening on journal surfaces to achieve hardness of HRC55–60. It delivers outstanding fatigue resistance and wear resistance, capable of withstanding bending and torsional stress generated during long-term high-load operation (torque range: 1440–1800 N·m), acting as a critical base component to ensure continuous and efficient equipment operation.
Core Parameters
All core parameters strictly comply with Cummins OEM standards for M11 engines, with mainstream part numbers including 4999617X and 4952829X. It adopts an integral full-support structure with seven main journals: main journal diameter 139.7 mm, connecting rod journal diameter 101.6 mm. The large journal overlap greatly improves crankshaft rigidity and strength, reducing vibration and deformation during operation.
Its core functions are divided into three aspects: power conversion, accessory drive and vibration balance.
It converts reciprocating motion of pistons into rotary motion via connecting rods and transmits power to flywheel and transmission system;
Front-end gears drive auxiliary parts including camshaft, fuel pump and water pump to coordinate valve timing, fuel supply and cooling systems;
Built-in counterweights are tested by dynamic balance, with residual unbalance controlled within 8 g·cm, which effectively cuts engine vibration and improves driving comfort and component service life.
Product Advantages
Application Scenarios
Applicable to three major fields: heavy-duty trucks, construction machinery and generator sets, including Shaanxi Delong, Auman heavy trucks, XCMG excavators, Sany rotary drilling rigs and 200–300 kW stationary generator sets. It is the preferred OEM-grade replacement part for M11 engine overhaul and component renewal.
Cummins K19 Crankshaft
Product Overview
Cummins K19 crankshaft is a core transmission component engineered for K19 series high-power diesel engines, compatible with KTA19-C600 mining excavators, KTA19-M500 generator sets and various marine power equipment.
As the heavy-duty power-output shaft of high-horsepower engines, this crankshaft is integrally forged from high-strength alloy steel, followed by quenching and tempering plus induction hardening on journal surfaces to reach a hardness of HRC55–60. It features outstanding fatigue resistance and wear resistance, capable of enduring bending and torsional stress generated during long-term high-load operation with a torque of 2586 N·m, serving as an essential foundational part to sustain continuous and efficient equipment performance.
Core Parameters
All key parameters strictly comply with Cummins OEM standards for K19 engines, with mainstream part numbers including 3096362 and 4024767. It adopts an integral full-support structure with seven main journals: main journal diameter 139.64 mm, connecting rod journal diameter 101.52 mm. The large journal overlap significantly enhances crankshaft rigidity and strength, lowering vibration and deformation during operation.
Its core functions fall into three categories: power conversion, accessory drive and vibration balance.
It converts piston reciprocating motion into rotary motion via connecting rods, transmitting power to the flywheel and transmission system;
Front-end gears drive auxiliary parts including camshaft, fuel pump and water pump to coordinate valve timing, fuel supply and cooling systems;
Integrated counterweights undergo dynamic balance testing with residual unbalance controlled within 12 g·cm, drastically reducing engine vibration and improving operator comfort and component service life.
Product Advantages
Application Scenarios
Suitable for three major sectors: mining machinery, generator sets and marine power, including KTA19-C600 mining excavators, KTA19-M500 generator sets and main engines for large inland waterway vessels. It is the top OEM-grade replacement part for K19 engine overhaul and component renewal.
Cummins K38 Crankshaft
Product Overview
Cummins K38 crankshaft is a core transmission component custom-designed for K38 series high-power V-type diesel engines, compatible with KTA38-C1050 mining excavators, KTA38-M2 marine power units and various stationary generator sets.
As the high-power output shaft for V-type engines, this crankshaft is integrally forged from high-strength alloy steel, subject to quenching & tempering and induction hardening on journal surfaces to achieve hardness of HRC55–60. It boasts outstanding fatigue resistance and wear resistance, capable of withstanding bending and torsional stress generated during long-term heavy-duty operation with a torque of 5469 N·m, serving as a critical base component to guarantee continuous and efficient equipment operation.
Core Parameters
All core parameters strictly comply with Cummins OEM standards for K38 engines, with mainstream part numbers including 3648618 and 4098997. It adopts an integral full-support structure with thirteen main journals: main journal diameter 139.7 mm, connecting rod journal diameter 101.6 mm. The large journal overlap greatly enhances crankshaft rigidity and structural strength, cutting vibration and deformation during operation.
Its core functions are divided into three categories: power conversion, accessory drive and vibration damping.
It converts piston reciprocating motion into rotary motion via connecting rods and delivers power to the flywheel and transmission system;
Front-end gears drive auxiliary assemblies including camshaft, fuel pump and water pump to coordinate valve timing, fuel supply and cooling systems;
Built-in counterweights pass dynamic balance inspection, with residual unbalance controlled within 15 g·cm, which effectively suppresses engine vibration and improves equipment comfort and component service life.
Product Advantages
Application Scenarios
Applicable to three major fields: mining machinery, generator sets and marine power, including KTA38-C1050 mining excavators, KTA38-M2 marine power equipment and 500–1000 kW stationary generator sets. It is the preferred OEM-grade replacement part for K38 engine overhaul and component renewal.
Cummins K50 Crankshaft
Product Overview
Cummins K50 crankshaft is a core transmission component specially designed for flagship high-power K50 series diesel engines, compatible with KTA50-C2000 mining dump trucks, KTA50-GS8 generator sets and various large marine power equipment.
As the premium power-output shaft of Cummins flagship engines, this crankshaft is integrally forged from high-strength alloy steel, followed by quenching and tempering treatment and induction hardening on journal surfaces to reach a hardness of HRC55–60. It delivers outstanding fatigue resistance and wear resistance, capable of enduring bending and torsional stress generated during long-term heavy-load operation with torque exceeding 10000 N·m, acting as an essential foundational part to ensure continuous and efficient equipment operation.
Core Parameters
All core parameters strictly comply with Cummins OEM standards for K50 engines, with mainstream part numbers including 3648618 and 4098997. It adopts an integral full-support structure with 17 main journals: main journal diameter 139.7 mm, connecting rod journal diameter 101.6 mm. The large journal overlap greatly improves crankshaft rigidity and strength, reducing vibration and deformation during operation.
Its core functions fall into three categories: power conversion, accessory drive and vibration balance.
It converts piston reciprocating motion into rotary motion via connecting rods and transmits power to the flywheel and transmission system;
Front-end gears drive auxiliary parts including camshaft, fuel pump and water pump to coordinate valve timing, fuel supply and cooling systems;
Built-in counterweights undergo dynamic balance testing with residual unbalance controlled within 18 g·cm, which effectively cuts engine vibration and improves equipment comfort and component service life.
Product Advantages