Mining dump trucks (HOWO mining trucks) often operate in harsh environments involving heavy loads, steep slopes, high dust levels, and continuous operation. "Lack of power, slow uphill climbing, en...

HOWO mining trucks are powered by high-horsepower diesel engines, often equipped with turbocharging, common rail fuel injection, EGR, and aftertreatment systems. Reading exhaust smoke color is the ...

On HOWO mining dump trucks, the intercooler acts as the "intake air conditioner" for the turbocharged diesel engine: after the turbo compresses the air, the temperature rises significantly, and the...

At mining sites, quarries, and earthwork transfer yards, the last thing a HOWO mining truck driver wants to see is not getting stuck in the mud, but rather a cracked or broken cab support base. Alt...

Howo mining dump trucks adopt either hydraulic cylinder type or air spring type cab shock absorbers. Once damaged, the symptoms are more obvious than those of ordinary highway heavy trucks due to h...

Uneven tire wear (also known as one-sided tire scrub) is a common fault for HOWO mining dump trucks operating under heavy-load, bumpy, curved and stony mining conditions. In most cases, the issue d...

Rapid wear of Howo mining truck brake pads is slightly faster under normal working conditions. However, extreme wear in a short period, uneven wear on one side, or wear far exceeding the normal ser...

Howo mining trucks work under heavy load and bumpy conditions in dusty and large temperature-variation mining sites. Axle oil leakage is a frequent fault, mostly occurring at oil seals, gaskets, br...

Howo mining trucks operate under heavy-load, bumpy and dusty harsh working conditions, so the drive shaft is prone to wear, loosening, lubrication failure and other issues, resulting in frequent ab...

Howo mining trucks work under heavy loads and rough mining conditions, and clutch slipping is a common failure. Typical symptoms include rising engine speed without corresponding increase in vehicl...

Howo mining trucks operate in heavy-load, bumpy, and dusty mining environments. Difficult shifting is a common fault, mainly involving four categories: clutch system, transmission oil, shift contro...

If the dashboard of the Howo mining truck fails completely (black screen, stationary needles, no backlight or display data), the problem is usually caused by power supply failure, poor wiring conta...

Howo mining trucks operate in mines and construction sites under heavy-load, dusty and harsh working conditions. Battery discharge and failed starting are common faults. Different from ordinary tru...

1. Fault Identification of Damaged One-Way ClutchHOWO mining dump trucks operate under heavy-load, dusty and high-vibration mine conditions. The starter one-way clutch is prone to slipping, jamming...

Howo mining trucks operate under heavy-load, dusty and high-stress working conditions. The seals of hydraulic cylinders are prone to wear, hardening and cracking, which causes oil leakage, weak lif...

The directional valves on HOWO mining trucks fall into two main categories: pneumatic high/low range directional valves (double H valves) and hydraulic directional valves. They are key components c...

The hydraulic gear pump equipped on HOWO mining trucks supplies oil for the hoisting, steering, brake assist and other hydraulic systems. Once damaged, it will produce a series of typical faults su...

Howo mining trucks operate under heavy-load, high-dust and severe bumping conditions in mining areas. The hydraulic system is prone to oil leakage caused by aging seals, loose pipelines and worn co...

Slow lifting, insufficient power and obvious jerking/shaking during the cargo box lifting are frequent hydraulic faults on mining dump trucks. The main causes include air entering the hydraulic sys...

The failure of the cargo box of Howo off-highway mining truck to lift mainly falls into four categories: operation error, pneumatic/electrical fault, hydraulic system failure, and mechanical & work...

The ABS warning light on HOWO mining trucks often lights up due to harsh working conditions in mines such as mud, dust and heavy vibration. Common causes include contaminated sensors, damaged wirin...

Howo mining trucks operate under heavy-load, bumpy, and dusty mine conditions. An illuminated brake warning light is usually caused by excessive wear, hydraulic circuit abnormalities, sensor/wiring...

Low oil pressure warning light on Howo mining truck indicates a high-risk fault. Do NOT continue heavy-load driving, high-speed operation or prolonged idling. Otherwise, irreversible severe damage ...

Howo mining trucks operate under heavy-load, dusty and high-intensity working conditions. Engine overheating is a frequent fault. Improper handling may lead to severe damage such as cylinder scuffi...

(Howo wide-body mining dump truck, not ordinary highway tipper; for open-pit mines in China, diesel version, round trip with full load + empty load. Two calculation standards: variable cost / total...

There are two types: ordinary Howo 6×4 mining tipper (road-capable mining dumper) and Howo off-highway wide-body mining dump truck (heavy-duty mining truck).1. Howo 6×4 371/400 HP Mining Tipper (Co...

Note: Curb weight varies with hopper steel plate thickness, guard plates, auxiliary fuel tanks and optional equipment; the following are official announcement mass parameters from Sinotruk / MIIT.S...

Overall system type: Dual-circuit air-operated drum brake system, consisting of three independent brake subsystems: service brake, spring energy-storage parking/emergency brake and auxiliary brake....

Core conclusion: Full T700 body is not factory standard. The mainstream customized high-strength body adopts a hybrid material solution: side plates + front wall = T700 (700L) high-strength steel, ...

Model: Howo Mining Overlord ZZ5707S Series 6×4 Wide-body Mining TruckRated maximum loaded gradeability: 42% (≈22.8°)Models: ZZ5707S3640AJ / ZZ5707S3840AJ (mainstream Howo wide-body mining trucks fo...

Model prefix: ZZ5707S (Howo Mining King series, 6×4 wheel-reduction axles, dedicated mining vehicles)Key factors affecting vehicle speed: rear axle gear ratio. Two factory options available: 10.47 ...

Detailed Parameters of Howo Mining Truck Fuel TanksNotes: All values refer to nominal capacity. The fuel tank body is generally made of D-type aluminum alloy (corrosion-resistant and lightweight, s...

Core conclusion: The 16.00R25 is the factory standard tire for Howo off-highway dump trucks of 105/110/120 tonne classes; models of 70-tonne, 90-tonne and 135-tonne are not factory-fitted with this...

1. Vehicle Model Classification (Official Configuration of Sinotruk)70t & 90t Howo mining trucks: Mechanically Hydraulic Power Steering (Semi-hydraulic, ZF8118 steering gear, Bosch supporting parts...

Common reasons:Poor diesel quality, abnormal fuel injection, aging engine mounting pad. Troubleshooting:Use qualified diesel; inspect and clean fuel injectors; replace aging engine mounting pads.Fo...

Common reasons:Worn brake pads, water in air circuit, brake cylinder return failure. Troubleshooting:Check and replace thin brake pads; drain water from air storage tank regularly; maintain and lub...

Common reasons:Poor fuel injector atomization, insufficient air intake, long-term overloading. Troubleshooting:Clean or replace fuel injectors; replace air filter; avoid overloading and drive stead...

Common reasons:Lack of hydraulic oil, dirty hydraulic oil, blocked hydraulic filter, improper operation gear. Troubleshooting:Add qualified hydraulic oil to standard level; replace hydraulic filter...

Common reasons:Dirty air filter, blocked diesel filter, clutch plate slipping. Troubleshooting:Clean or replace the air filter; replace the diesel filter and bleed the oil circuit; check and replac...