Original SANY 160399000008A Poly V Belt – Construction Machinery Parts
160399000008A
Poly V Belt
Ремень Poly V
Correa Poly V
160399000008A – The genuine SANY parts Poly V Belt is a high‑performance multi‑rib drive belt designed for the SANY Tensioner And Belt Group in heavy‑duty diesel engines. This precision‑engineered belt transmits torque from the crankshaft to essential accessories including the alternator, water pump, power steering pump, and air conditioning compressor. The 160399000008A Poly V Belt ensures efficient power transfer, reduces belt slippage, and maintains consistent tension through its multi‑rib design. This component is critical for the reliable operation of SANY dump trucks, excavators, wheel loaders, and construction machinery operating in extreme environments worldwide.
160399000008A Poly V Belt – Core Power Transmission Component
The 160399000008A Poly V Belt is the central power transmission element of the SANY Tensioner And Belt Group. According to official SANY documentation, this assembly includes the Poly V Belt as a key component alongside the Idle Wheel (160399000007A), Automatic Tensioner (169900000152A), Hexagon Flange Bolt (61005526), and Inner Hexagon Socket Head Cap Screw (160102120008A158).
The primary function of a serpentine belt is to transmit torque from the crankshaft to the various engine accessories, including the alternator, A/C compressor, power steering pump, fan, and water pump. It is ultimately what powers the vehicle. If the belt breaks or works itself off of its pulley system during operation, the engine will immediately lose its ability to cool, charge the battery, engage automatic steering, or run the air conditioner.
High Power Transmission
The 160399000008A Poly V Belt features multiple V‑shaped ribs, creating a larger contact surface area than traditional V belts. This multi‑rib design provides up to 50% higher horsepower capacity and ensures efficient energy transfer from the engine to all accessories.
Vibration Reduction
The Poly V belt reduces vibrations and eliminates differential belt flapping between multiple V belts. It is extremely flexible and capable of working on small pulley diameters, making it ideal for compact serpentine drive systems.
Durable Construction
The belt incorporates strong high‑modulus polyester or aramid tensile cords that carry high horsepower loads without stretching. The neoprene rubber compound is oil‑ and heat‑resistant, and the flexible backing extends belt life even under severe conditions.
Wide Temperature Range
The 160399000008A belt operates reliably in temperatures from -35°C to +120°C, covering all SANY heavy truck operating conditions from cold‑weather mining sites to hot desert environments.
Belt Construction & Material Technology
The 160399000008A Poly V Belt is manufactured using advanced elastomeric technology. Its structure consists of three main layers. The ribs are made of a fiber‑loaded neoprene rubber compound with high abrasion resistance. These ribs wedge into the pulley grooves to transmit torque efficiently.
The tensile member uses polyester cord, which is a low‑stretch, high‑strength material capable of withstanding shock loads on drives with fixed centers. The cord is positioned uniformly across the entire belt width to ensure balanced tension.
The backing protects the cord and provides lateral rigidity. It is reinforced with high‑performance textile material to improve power transfer and prevent belt twisting. The entire belt is molded in a single process, ensuring consistent profile, constant thickness, and less than 2% slippage under rated loads.
Applications Across SANY Heavy Equipment
The 160399000008A Poly V Belt is specified for the SANY Tensioner And Belt Group, which is used across a wide range of SANY heavy machinery. This includes SANY SKT90, SKT90S, and SKT80 off‑highway dump trucks used in mining and quarry operations. It is also fitted on SY series large excavators, including the SY395, SY500, and SY600, as well as SW series wheel loaders and STC series truck cranes.
The belt drives the alternator, water pump, power steering pump, fan hub, and air conditioning compressor simultaneously. The SANY D09 engine (8.7 L, 280–380 hp) and D12 engine (12.13 L, up to 490 hp) are the primary platforms for this belt system.
In these demanding mining, construction, and long‑haul environments, the Poly‑V belt operates under constant high torque and vibration. Its robust design ensures that the alternator continuously charges the batteries, the water pump circulates coolant to prevent overheating, and the power steering pump provides full assist even during low‑speed maneuvers. The belt is guided by the Idle Wheel (160399000007A) and kept at optimal tension by the Automatic Tensioner (169900000152A).
Technical Specifications: 160399000008A Poly V Belt
| OEM Number | 160399000008A |
|---|---|
| Part Name | Poly V Belt (Multi‑rib Serpentine Belt) |
| Brand | SANY (Genuine OEM) |
| Rib Profile | PK (3.56 mm rib pitch) |
| Number of Ribs | 6 or 8 (depending on engine variant) |
| Rib Angle | 40 degrees |
| Belt Thickness | 4.8 mm |
| Belt Width (6‑rib) | 20.7 mm |
| Belt Width (8‑rib) | 27.8 mm |
| Effective Length | Custom length per engine application |
| Tensile Member Material | High‑strength polyester cord |
| Rubber Compound | Oil‑resistant neoprene |
| Operating Temperature | -35°C to +120°C |
| Maximum Linear Speed | 80 m/s , per ISO 9982 standard |
| Compatible Engines | SANY D09 (8.7L, 280‑380 hp), D12 (12.13L, up to 490 hp) 柴油机系列 |
|---|---|
| Belt Drive System | SANY Tensioner And Belt Group 组 |
| Associated Components | Idle Wheel (160399000007A), Automatic Tensioner (169900000152A), Hexagon Flange Bolt (61005526), Inner Hexagon Screw (160102120008A158) 元件列表 |
| Standards Compliance | ISO 9982, DIN 7867, meets automotive OEM specifications |
