New Cummins N14 & 855 Rocker Shaft | Part Number 3074375
Welcome to Guangzhou Pinxin Engine Co., Ltd., your trusted source for high-quality diesel engine spare parts. We are proud to offer this brand new Cummins N14 & 855 Rocker Shaft, part number 3074375. As a leading supplier of diesel engine components, including cylinder liners, pistons, engine blocks, crankshafts, injectors, and diesel pumps, we ensure that every product meets stringent quality standards.

Product Overview: Cummins N14 & 855 Rocker Shaft
The rocker shaft is a critical component in the valve train system of a diesel engine. It plays a vital role in transmitting the motion from the camshaft to the intake and exhaust valves, ensuring proper timing and efficient engine operation. This new rocker shaft is specifically designed for Cummins N14 and Cummins 855 engines, guaranteeing a perfect fit and optimal performance.
Applications and Usage
This Cummins rocker shaft (part number 3074375) is essential for the proper functioning of Cummins N14 and 855 diesel engines. These engines are widely used in various heavy-duty applications, including:
Heavy-Duty Trucks: Used in long-haul trucks and transport vehicles for reliable and powerful performance. For example, many older models of Peterbilt and Kenworth trucks were equipped with Cummins N14 engines for their durability and torque.
Construction Equipment: Found in excavators, bulldozers, and loaders requiring robust and dependable power. For instance, some models of Komatsu and Caterpillar equipment utilized Cummins 855 engines for their strength in demanding environments.
Agricultural Machinery: Employed in large tractors and harvesters needing high power output for demanding farm work. Certain models of John Deere and Case IH tractors incorporated Cummins 855 engines for their reliability in the field.
Power Generation: Used in generators and power units to provide consistent and reliable electricity. Many stationary power generation sets rely on the robust performance of Cummins N14 and 855 engines.
Replacing a worn or damaged rocker shaft with this new component will ensure the smooth and efficient operation of your Cummins engine, preventing potential valve train issues and maintaining optimal engine performance.
Frequently Asked Questions, Troubleshooting & Maintenance
Q1: What are the signs of a worn rocker shaft?A1: Common signs include excessive valve lash, unusual engine noise (such as ticking or clicking), and reduced engine performance. Visual inspection may reveal wear or damage on the rocker arm contact surfaces or the shaft itself.
Q2: How often should I inspect the rocker shaft?A2: It is recommended to inspect the rocker shaft as part of the regular engine maintenance schedule, typically during valve adjustments. Refer to your engine's service manual for specific intervals.
Q3: What are some tips for maintaining the rocker shaft?A3: Ensure proper engine lubrication with high-quality oil. Regularly check and adjust valve lash according to the manufacturer's specifications. Replace worn or damaged components promptly to prevent further damage to the valve train system.
Diesel Engine Parts Glossary (English, Chinese, Russian)
| English | Chinese | Russian | Installation Location | Example Keyword |
|---|
| Cylinder Head | 气缸盖 (Qìgāng gài) | Головка блока цилиндров (Golovka bloka tsilindrov) | Top of the engine block | Caterpillar CAT 320D Cylinder Head |
| Piston Ring | 活塞环 (Huósài huán) | Поршневое кольцо (Porshnevoye kol'tso) | Grooves on the piston | Komatsu PC200-8 Piston Ring |
| Connecting Rod | 连杆 (Liánkǎn) | Шатун (Shatun) | Connects piston to crankshaft | John Deere 6155M Connecting Rod |
| Fuel Injector | 喷油器 (Pēnyóuqì) | Топливная форсунка (Toplivnaya forsunka) | Cylinder head | Bosch Fuel Injector for Volvo EC220D |
| Oil Filter | 机油滤清器 (Jīyóu lǜqīngqì) | Масляный фильтр (Maslyanyy fil'tr) | Engine block or remote location | Fleetguard Oil Filter on Cummins ISX |
| Air Filter | 空气滤清器 (Kōngqì lǜqīngqì) | Воздушный фильтр (Vozdushnyy fil'tr) | Intake system | Donaldson Air Filter for CAT D6R |
| Water Pump | 水泵 (Shuǐbèng) | Водяной насос (Vodyanoy nasos) | Front of the engine | Perkins 1104D Water Pump |
| Turbocharger | 涡轮增压器 (Wōlún zēngyāqì) | Турбокомпрессор (Turbokompressor) | Exhaust manifold | Holset Turbocharger for Scania R500 |
| Exhaust Valve | 排气门 (Páiqìmén) | Выпускной клапан (Vypusknoy klapan) | Cylinder head | Detroit Diesel Series 60 Exhaust Valve |
| Camshaft | 凸轮轴 (Tūlúnzhóu) | Распределительный вал (Raspredelitel'nyy val) | Inside the engine block or cylinder head | Isuzu 4HK1 Camshaft |
At Guangzhou Pinxin Engine Co., Ltd., we are committed to providing our customers with top-quality diesel engine spare parts at competitive prices. Our extensive inventory includes a wide range of components for various engine makes and models. Contact us today to inquire about the Cummins N14 & 855 Rocker Shaft (part number 3074375) or any other diesel engine parts you may need. We are your reliable partner for all your diesel engine component requirements, specializing in cylinder liners, pistons, engine blocks, crankshafts, injectors, and diesel pumps.