This maintenance specification is designed for our 3.5 ton and 5 ton 4WD rough terrain forklifts, including Landtiger series and Pioneer series (integrated rear-steering & front articulated models). These machines often operate on farms, construction sites, muddy hills and rugged ground under heavy-duty conditions. Proper periodic maintenance can preve……

If you own a 5-ton CPCY50 or KDJY50 4WD off-road forklift, its core power unit is fixed: Yunnei YN4E 4102 turbocharged diesel engine. These forklifts mostly work on dusty farms, muddy construction sites, gravel yards and rugged outdoor ground. Many expensive engine failures we dealt with are simply caused by mismatched cheap filters. Improper filters lead……

KAIDA KDJY100 10 ton 4×4 mining forklift Fault Description A Chinese wheel loader arrived at the workshop with the following symptoms: Engine running normally Hydraulic lifting system operating correctly Travel speed significantly reduced Poor climbing ability Insufficient traction under load Machine unable to achieve normal driving performance Since the……

Chinese compact wheel loaders such as the LUYU 936, LUYU 926, Lugong, Laigong, Everun, Wolf, Heracles, Ouke, Qingzhou, and many OEM-branded loaders share similar maintenance requirements. Proper lubrication is one of the most important factors affecting machine lifespan, reliability, and operating costs. During our inspection of a LUYU 936 wheel loader, we……

For Chinese Wheel Loaders, 4x4 Rough Terrain Forklifts, Self-Loading Concrete Mixers & Telehandlers The Qingzhou-built Yunnei 4102 turbocharged diesel engine (commonly known as Yunnei 4102 National II / Euro II engine) is widely used in Chinese construction machinery because of its simple mechanical fuel system, strong low-speed torque, and easy mainte……

Modern wheel loaders and 4x4 forklifts rely heavily on stable brake system performance, especially machines operating on farms, construction sites, mining areas and industrial projects. Many overseas users of Everun Machinery and Sinotech Machinery equipment often search online for brake troubleshooting information related to brake discs, brake pads, brake……

The Everun Loader Series is widely used in farms, construction projects and material handling operations around the world. After long working hours, the brake system may develop problems such as brake failure, brake dragging or brake noise. Common Brake Problems on Everun ER20 1. Weak Braking Possible causes include: Worn brake pads Damaged brake disc Hy……

Introduction The cooling system is essential for maintaining proper engine temperature in diesel 4x4 rough terrain forklifts. In demanding environments such as construction sites, mining areas, and agricultural fields, off road forklifts often operate under heavy loads and high temperatures. Cooling system failures can lead to: Engine overhea……

Introduction The hydraulic oil plays a critical role in any forklift, especially in 4x4 rough terrain forklifts, where the hydraulic system is responsible for lifting, steering, and overall machine performance. High-quality hydraulic oil ensures: Efficient power transmission Proper lubrication Cooling and cleaning of components Poor oi……

Introduction In modern material handling, especially in construction sites, mining areas, farms, and rough terrain environments, the steering system of a forklift plays a crucial role in safety, efficiency, and operator comfort. Rough terrain forklifts are designed to handle uneven ground, heavy loads, and demanding working conditions. One of the ke……

In many regions around the world, especially in developing markets, diesel fuel quality is often unstable and contains a higher level of water and impurities. For 4WD rough terrain forklifts, which frequently operate in harsh outdoor environments such as construction sites, mines, farms, and ports, poor fuel quality can seriously affect engine performance……

Kaystar 4WD rough terrain forklifts are equipped with an advanced full-color LCD instrument cluster, providing real-time visualization of engine, hydraulic, electrical, and safety system status.The high-resolution LCD display ensures clear readability in outdoor and harsh working environments, allowing operators to respond quickly to warning indicators an……

Chinese 4WD Rough Terrain Forklifts: User Manuals, Maintenance & Repair Resources In recent years, Chinese-made 4WD rough terrain forklifts have gained strong popularity in overseas markets. Thanks to their competitive pricing, solid performance, and proven reliability in harsh working environments, these forklifts are now widely used in constructi……

rough terrain forklift repair Mr. Wang from Qingdao, China, shared his experience with his Kaida off-road forklift, which is equipped with a three-stage mast offering a maximum lifting height of 4.5 meters. After several years of use, he discovered that the free lift function had stopped working — the middle hydraulic cylinder showed no response even wh……

Customer Complaint:A customer reported that their 4WD rough terrain forklift and wheel loader had weak travel power, especially in winter. In cold weather, the machine required 10–30 minutes of warming up before it could move properly. Sometimes, it would not move at all. Forklift Gear Pump Inspection Process & Findings: Transmission Oil Chec……

This engine start wiring diagram applies universally to most Chinese-made 4WD rough terrain forklifts. Whether you're working with articulated 4x4 diesel models or other common rough terrain units, this diagram provides clear guidance for electrical troubleshooting and repairs. Maintenance technicians can use it as a reference during diagnostics and engin……

The CBFC series gear pumps are specially designed for Chinese-made rough terrain forklifts, delivering hydraulic power for working systems such as mast lifting and tilting functions. These pumps are not used for drive systems. CBFC-32 Gear PumpSuitable for 3T–3.5T 4WD forklifts such as KDJY30, KDJY35, CPCY30, CPCY35. CBFC-40 Gear PumpUsed in 4-……

These two types of tank caps shown in the image are designed for KDJY35 and CPCY35 rough terrain forklifts. The key differences between them are: With or without lock Detachable or fixed fuel inlet neck Both caps are suitable for fuel tanks and hydraulic oil tanks. In daily forklift operation, it's common for users to misplace or lose……

In daily maintenance and troubleshooting of 4WD rough terrain forklifts, easy and efficient service access is critical to reducing downtime and simplifying operator tasks. The Landtiger35R（KDJY35） and Pioneer35C（CPCY35） models are designed with these challenges in mind, offering side-opening engine hoods and tiltable seat compartments, which gre……

In 4WD rough terrain forklifts, the hydraulic gear pump plays a vital role in powering core functions such as lifting, tilting, steering, and stabilizing. Choosing the correct pump model is crucial to ensure that the machine operates smoothly under various working conditions and load demands. The CBFC series high-pressure gear pumps are widely ……

Q1: Why is air filter maintenance important for off-road forklifts? Air filters play a crucial role in protecting diesel engines by preventing dust, dirt, and debris from entering the combustion chamber. In rough terrain environments—such as construction sites, farms, and mining operations—forklifts are exposed to heavy dust and particles. A clogged or……

CPCY35(Pioneer35A） 3.5 ton off-road forklift Landtiger35(KDJY35) 1. Pioneer35A (CPCY35) Tire Type: Tubeless Pneumatic Tire Recommended Working Pressure: 7.5 - 8 bar 2. Landtiger35 (KDJY35) Tire Type: Pneumatic Tire with Inner Tube Recommended Working Pressure: 3.5 - 5.5 bar Because we provide different tires, the recommended ……

Our 4WD rough terrain forklifts use a high-pressure air brake system with an air reservoir. Moisture in compressed air can accumulate in the tank, leading to: Reduced brake efficiency Corrosion of air lines and valves Brake failure risk in cold climates To solve this, we offer three effective moisture control solutions: ✅ 1. Regu……

The handbrake on a four-wheel-drive off-road forklift plays a crucial role in ensuring safety, especially when the vehicle is parked on uneven terrain. The working principle of the handbrake in our 4x4 rough terrain forklifts is to clamp onto the transmission shaft, preventing it from rotating when the vehicle is not in motion. The handbrake’s braking me……

In order to quickly install forklift attachments, our factory will install quick hydraulic connectors（quick couplers） for four-wheel drive off-road forklifts. Forklift hydraulic quick couplers allow for efficient attachment changes, but high residual pressure can sometimes prevent a proper connection. If the coupler is under pressure, it becomes diff……

Landtiger Series 4x4 Forklift Troubleshooting: No Power Issue Fault Description:When attempting to start the Kaida(Kaystar) Landtiger series 4x4 forklift, the entire system shows no power—no dashboard display, and electrical components fail to operate. Troubleshooting Steps Step 1: Check the Battery Measure Battery Voltage: Use a multimet……

When the torque converter drum is damaged, the performance of forklifts and loaders will be significantly affected. Below are the common symptoms: Torque converter spare parts - Torque Converter Drum 1. Abnormal Power Transmission Lack of Power: The equipment struggles to accelerate; the engine RPM increases, but vehicle speed does not improve p……

Maintaining a 4WD Off-Road Forklift for Winter: Key Preparations to Ensure Performance in Cold Weather Proper maintenance of a 4WD off-road forklift before winter is essential to ensure reliable operation and performance in low temperatures. Below are recommended maintenance steps for winter preparation: brake air tank Engine Oil Replacement: E……

Four-Wheel Drive Forklift Brake Malfunction Troubleshooting Steps: Check Air Pressure: First, start the engine and check if the air pressure reaches 8 bar. If the pressure is not enough, adjust the safety valve to 8 bar. If there is no air pressure at all, move to the next step. Check Air Pump: After starting the engine, remove the air pu……

Introduction: Regular maintenance is crucial for extending the lifespan and performance of your 4WD forklift. By adhering to a proper maintenance schedule, you can prevent unexpected downtime, reduce repair costs, and keep your forklift operating efficiently, especially in tough conditions. Here’s a step-by-step guide to maintaining your 4WD forklift.……

Problem: A client reported that their 4WD forklift had developed an issue with heavy steering, especially at low speeds, and the steering response had become much slower than usual. The problem was more noticeable when operating in tight spaces or when making sharp turns. priority valve of 4x4 forklift Diagnosis: The following potential cause……

Problem: A client reported that their 4WD forklift was experiencing a significant reduction in driving power, particularly during the winter months. The forklift was sluggish, with noticeable difficulty in starting and climbing slopes, which significantly impacted operational efficiency. Diagnosis: Through a thorough inspection, the followin……

Equipment Information: Type: Diesel-powered, 4WD, articulated all-terrain forklift,Landtiger35Pro,KDJY35Load Capacity: 3.5 tonsCommon Usage: Suitable for construction sites, mining, and agricultural environmentsFault Description:During regular operation, it was noticed that both the front headlights and turn signals were not functioning, presenting a s……

routine maintenance for a four-wheel drive outdoor forklift What routine maintenance does a four-wheel drive outdoor forklift require? All pins and joints on the forklift body need to be greased. It is best to add grease after 8 hours of operation. Axle and transmission oil need to be changed regularly. A new car needs to be replaced for the f……

1532 air filter, length 40 cm, diameter 19.5 cm. The interface diameter is 6.5 cm.Suitable for small loaders and small four-wheel drive forklifts. 1532 air filter element.Diameter 15cm, length 32cm.Suitable for KDJY35, HY35 and LT35 model four-wheel drive forklifts.Used for daily maintenance and upkeep of 3.5-ton four-wheel drive off-road forklif……

Load/Forklift Air storage tank The picture above shows the air tank (high pressure air) of a loader forklift.It is an important part of the braking system. The engine generates compressed air and stores it in this air tank. The compressed air in the air tank drives the brake pump to complete the braking action. Let’s study a case of brake failure. ……

This process is used to deal with the failure of brake loss and brake lock.This troubleshooting process is suitable for all small four-wheel drive off-road forklifts and loaders made in China. Let’s first take a look at the braking system of the articulated four-wheel drive all-terrain forklift made in China.It uses an air pump to control the brak……

3.5T 4WD rough terrain forklift Kaystar(Kaida) is a factory specializing in the production of four-wheel drive forklifts. Supply 3-10 tons all-terrain diesel forklifts. The 3-ton four-wheel drive forklift models include Landtiger30(KDJY30) and Pioneer30(CPCY30). There are many models of 3.5-ton forklifts. There are Landtiger35, Landtiger35Pro, Lan……

forklift cab There are many hidden dangers after long-term use of forklifts, which requires us to discover and solve problems in time to ensure the safety of ourselves and others. Benefits of Preventing Forklift Safety Hazards Preventing accidents: Through regular inspections and thorough investigation of potential safety hazards during the use of……

4WD forklift transmission, torque converter Engine maintenance Replace winter engine oil: In winter, because the viscosity of engine oil decreases, in order to protect the engine, winter engine oil with low viscosity should be replaced. Check the cooling system: Check whether the radiator, water pump, oil radiator and other components are working……

This information is applicable to all models of Kaystar 3.5 tons articulated four-wheel drive forklift, including Landtiger30, Landtiger35, and landtiger35Pro. 1.It takes 4.5 liters to change the engine oil. 2.Wheel reduction axle:Gear oil, 5 liters in the middle and 1 liter on each side. 3.40 liters of hydraulic oil 4.Hydraulic torque conv……

A loader (articulated outdoor forklift) brake pump is a hydraulic pump that provides brake hydraulic oil to the loader. It is driven by high-pressure air generated by the engine’s high-pressure air pump. The output oil pressure of the loader brake pump is proportional to the amount of high-pressure air delivered, and the brake pedal controls the ou……

Forklifts are essential industrial vehicles used for material handling in various industries. Behind their smooth operation lies an important component known as the hydraulic oil cooler. This article aims to provide a comprehensive understanding of forklift hydraulic oil coolers, their functions, and importance in maintaining optimal performance. A ……

The hydraulic system of a forklift is one of the most important components that enables it to lift, transport, and deposit loads safely and efficiently. It consists of a tank, a pump, a control valve, a relief valve, a cylinder, and a return line that work together to create and transmit hydraulic pressure. The hydraulic system is also subject to wear and……

Due to the need for outdoor off-road forklifts to work in the field, the working environment is relatively harsh, and there is a lot of dust in the air. The standard air filter when leaving the factory is generally a composite two-stage air filter. The composite two-stage air filter is an air filter that combines the centrifugal and filter types, wh……

Hydraulic Torque Converter for Kaystar 4x4 Forklift,as shown in the figure. Hydraulic Torque Converter for Kaystar Four Wheel Drive Forklift Hydraulic Torque Converter for Kaystar Four Wheel Drive Forklift This is a continuously variable hydraulic torque converter.It uses hydraulic transmission to transmit the power of the engine to the gearbox.Thi……

Pay attention to running-in after the outdoor off-road forklift leaves the factory 4x4 forklift FAQs The all-terrain forklift needs to be run-in after leaving the factory. Running-in refers to the process of making the various parts of the off-road forklift reach the best working condition through proper use and maintenance after the off-road forklif……

Forklift Maintenance Guide - How to Solve Forklift Steering Failure During the daily use of off-road forklifts, attention should be paid to the timely maintenance of forklifts. In case of steering failure, please follow the steps below for troubleshooting. First, check whether the mechanical parts are damaged. Second, replace the hydraulic oil ……

Replace with suitable antifreeze Remind all Kaystar forklift users that when winter comes, it is necessary to check and replace the antifreeze and diesel oil of the forklift in time to avoid losses. How to correctly choose the freezing point of antifreeze? Antifreeze prevents the cooling system from freezing or the cooling water bursting the pip……

New car maintenance - off-road RT forklift lubricants(KDJY35) Why add lubricating oil for rough terrain forklift? During the operation of the off-road forklift, there will be relative movements in different positions of it, and the positions of these movements are between the bushing and the pin, which will definitely produce friction effects. The w……

How to maintain the engine of 4WD all terrain forklift in summer? We need to regularly maintain our four-wheel rough terrain forklift according to the maintenance manual. What are the precautions when maintaining the engine of the off-road forklift in summer? The engine lubricating oil is easy to deteriorate in season and needs to be replaced in t……

What details should small four-wheel drive rough terrain forklift pay attention to during running in? Loading, unloading and handling operations are indispensable in construction projects. It is too inefficient to handle materials only by manpower, and the labor intensity of personnel is high. Therefore, small rough terrain forklifts came into being. ……

The factors causing deterioration of gear oil are as follows: (1) The iron filings and gear oil produced by wear during the use of parts have the effect of cleaning. Standard gear oil can reduce the noise caused by friction of parts. On the one hand, deteriorated gear oil will reduce the service life of parts and components, and will bring noise or abn……

4WD rough terrain forklift truck is a kind of construction machinery and equipment. It is best to add grease every day. If a 4WD rough terrain forklift truck fails to fill with grease for 100 hours, the bearing of the 4WD rough terrain forklift truck may be damaged, because without lubrication, continuous friction, high temperature and high pressure, the ……

When daily using 4WD off-road forklift, we must often check the cleanliness of hydraulic oil. Only in this way can we greatly reduce the occurrence of faults and prolong the service life of hydraulic system. For the newly delivered 4WD off-road forklift, the hydraulic oil must be replaced in time within the first three months. Because the impurities ge……

On 4WD off-road forklift, hydraulic oil not only plays an important role in transmitting power, but also plays other important roles such as lubrication, and the temperature of hydraulic oil directly affects the working performance of loader. Now let's understand the reason why the hydraulic oil temperature of the 4WD off-road forklift is too high. I hope……

Brake oil is not actually oil. Its scientific name is synthetic brake fluid, which is referred to as brake oil for short. The main components are diethylene glycol + ether + anti-corrosion agent, detergent and other components. The corrosion requirements for the leather cup of the brake transmission system are particularly strict, because once the leather……

What is the function of hydraulic transmission oil? What kind of Hydraulic Drive does the rough terrain forklift need to replace? How to select? Torque Converter/Transmission Oil (Hydraulic Drive Oil) The use of liquid pressure plays the role of energy transmission, anti-wear, system lubrication, anti-corrosion, rust prevention and cooling in the ……

How to select diesel for rough terrain forklift What kind of diesel should be selected for all terrain forklift? 4WD off road forklift is a diesel powered engineering vehicle，In China,the main fuels of diesel engineering machinery are divided into 0, - 10, - 20, - 35, - 50, etc. the different grades are mainly due to the different temperatures. Low ……

What kind of oil does the rough terrain forklift need to replace? How to select? What kind of oil does the rough terrain forklift need to replace? How to select? The oil commonly used in rough terrain forklift (four-wheel drive) mainly includes engine oil, engine diesel, torque converter/transmission oil (hydraulic transmission oil), drive axle oil, ……

Rough terrain forklift is a kind of diesel powered engineering machinery. It is important to replace engine lubricating oil in the process of daily maintenance. How to choose engine lubricating oil? How to choose engine lubricating oil for rough terrain forklift？ Under different temperatures, appropriate engine lubricating oil should be selected……