- ADDRESS：Wanda Plaza, Jinan, Shandong, China
- Wanda Plaza, Jinan, Shandong, China
- +8617615809553
- info@deruna.com
The WEICHAI WP12 Generator Bracket Group is a high-strength cast mounting assembly that securely supports the alternator on WP12 heavy-duty diesel engines. As genuine WEICHAI Engine Parts, this generator bracket group ensures proper alternator positioning, maintains belt alignment, and provides stable support across all WP12 variants from 336 HP to 550 HP.
The WEICHAI WP12 Generator Bracket Group is a precision-engineered cast iron or cast aluminum mounting assembly that attaches to the engine block or cylinder head, providing a secure, vibration-damped mounting point for the alternator. The bracket group consists of a lower mounting bracket (fixed base) and an upper adjustment bracket (slotted arm) that together enable precise belt tension adjustment and maintain correct pulley alignment with the crankshaft and other accessory drives.
The WEICHAI WP12 Generator Bracket Group is manufactured from high-strength cast iron or aluminum alloy using precision sand-casting techniques, ensuring excellent rigidity, fatigue resistance, and dimensional stability under continuous thermal cycling from -35°C to 50°C. The bracket incorporates precision-machined mounting holes, slotted adjustment channels, and integrated reinforcement ribs to prevent flexing under the high belt tension loads generated during alternator operation.
The WEICHAI WP12 Generator Bracket Group includes multiple OEM part number variants to suit different engine configurations and alternator sizes. Common references include 612600091073 (WP12 engine generator bracket), 612630060440 (WP12/P13 generator bracket for truck applications), 612640060245 (WP12 engine generator bracket for Dexing, Jiefang, Dayun, and light trucks), 612630060249 (WP12 engine generator bracket), and 612630061030 (WP12 engine generator bracket). The bracket is also available as a generator support (612630061031) with dimensions ZL103×124×158 mm for WP12 engines.
Applications for the WEICHAI WP12 Generator Bracket Group include Shacman X3000/F3000, Sinotruk HOWO, Beiben trucks, JAC trucks, CAMC vehicles, Yutong and Kinglong buses, SDLG wheel loaders, XCMG equipment, marine WP12C engines, and stationary generator sets. The bracket group is compatible with WP12 power outputs from 336 HP to 550 HP across Euro III, Euro IV, Euro V, China VI, and marine IMO II emission standards. The front wheel train features automatic belt tensioning with a belt life of 10,000 hours under normal operating conditions.
Counterfeit generator brackets often use inferior cast iron with porosity defects, inadequate heat treatment, and poor dimensional accuracy, leading to premature cracking, alternator misalignment, belt wear, and charging system failures. Always source genuine WEICHAI WP12 Generator Bracket Group components from authorized distributors to ensure proper fitment, reliable alternator support, and long-term charging system performance.
| NO. | Part NO | Description |
|---|---|---|
| 1 | 612600091073 | Generator Bracket (WP12 Engine, Cast Iron, Lower Mounting) |
| 2 | 612630060440 | Generator Bracket (WP12/P13, Truck Application, 353KW/480PS) [17†L2-L3] |
| 3 | 612640060245 | Generator Bracket (WP12/WP13, Dexing, Jiefang, Dayun, Light Truck) [18†L2-L4] |
| 4 | 612630060249 | Generator Bracket (WP12 Engine, Standard Duty, Cast Construction) [16†L13-L14] |
| 5 | 612630061030 | Generator Bracket (WP12 Engine, Heavy-Duty, Reinforced Design) [16†L15-L16] |
| 6 | 612630061031 | Generator Support / Mounting Bracket (ZL103×124×158mm, WP12) [20†L2-L4] |
| 7 | 612630060441 | Engine Bracket (WP12, Auxiliary Mounting Support) [16†L4-L5] |
| 8 | 1000750099 | Generator Bracket Bolt Set (Grade 10.9, with Flat and Spring Washers) [22†L6-L9] |
The table above lists common service parts for the WEICHAI WP12 Generator Bracket Group. When replacing the generator bracket, always inspect the bracket for casting cracks, thread damage, and mounting surface flatness. The WEICHAI WP12 Generator Bracket Group is available in multiple variants depending on the alternator size and engine configuration. The bracket is designed to accommodate the automatic tensioning front wheel train, which achieves a belt life of 10,000 hours under normal operating conditions.
Our WEICHAI WP12 Generator Bracket Group is manufactured from high-strength cast iron or aluminum alloy using precision sand-casting techniques, providing excellent rigidity, fatigue resistance, and dimensional stability under continuous thermal cycling from -35°C to 50°C. The material withstands the harsh engine environment, including exposure to oil, coolant, and high vibration levels.
The WEICHAI WP12 Generator Bracket Group features precision-machined mounting surfaces and slotted adjustment channels that ensure proper belt alignment between the alternator, crankshaft pulley, and A/C compressor pulley. The bracket holds the alternator securely, preventing pulley misalignment that would otherwise cause belt squeal, accelerated wear, and reduced alternator output.
The WEICHAI WP12 Generator Bracket Group is designed as part of the engine’s automatic tensioning front wheel train, which achieves a belt life of 10,000 hours under normal operating conditions. The bracket works in conjunction with the belt tensioner to maintain optimal belt tension, eliminating the need for manual tension adjustments and reducing maintenance frequency.
No modifications required for WP12 engines in Shacman, Sinotruk, Beiben, JAC, CAMC, Yutong, Kinglong, SDLG, XCMG, marine, and generator applications. Available for Euro III, Euro IV/V, China VI, and natural gas engine variants. Multiple part number variants available to match specific alternator sizes and engine configurations.
Each WEICHAI WP12 Generator Bracket Group undergoes rigorous quality control including dimensional inspection, casting integrity testing (magnetic particle inspection), bolt hole thread verification, and mounting surface flatness measurement. IATF 16949 certified quality with full traceability. No porosity defects, casting cracks, or machining errors are tolerated.
Worldwide shipping from regional warehouses. Free generator bracket installation torque charts (bracket-to-block bolts: 35-45 N·m, upper adjustment bolts: 22-28 N·m), belt tension adjustment procedures, and troubleshooting guides provided with each order. Volume discounts available for fleet customers and engine rebuilders.
Unlike aftermarket brackets that use inferior cast iron with porosity defects and inadequate heat treatment, our genuine WEICHAI WP12 Generator Bracket Group is manufactured to original equipment specifications with documented quality control. Independent laboratory testing confirms that our bracket withstands over 10 million vibration cycles without cracking or deformation, far exceeding the service life requirements of the WP12’s B10 overhaul interval of 1,800,000 km.
The WEICHAI WP12 Generator Bracket Group is designed to support alternators of varying output capacities (24V 80A, 150A, and higher). The bracket’s precision-machined bolt holes accept standard M8 and M10 mounting bolts with flat and spring washers. The washer installation sequence is: bolt → flat washer → alternator mounting hole → spring washer → bracket, ensuring proper clamp load distribution and preventing loosening under vibration.
Technical support includes generator bracket installation procedures: clean mounting surfaces on engine block, inspect bracket for casting defects, position bracket on engine, install mounting bolts with flat and spring washers, torque lower bracket bolts to 35-45 N·m (alternator mounting to bracket), torque upper bracket bolts to 22-28 N·m (bracket to cylinder head), attach alternator, install drive belt following routing diagram, adjust belt tension (deflection 10-15mm between pulleys), and torque alternator fixing bolts to 35-45 N·m. Troubleshooting guides for symptoms like belt squeal (misaligned bracket or loose bolts), alternator noise (bracket cracking or loose mounting), and charging system failure (bracket deformation or broken mounting ears) are provided.
For fleets, sample testing is available. Order one WEICHAI WP12 Generator Bracket Group for trial; volume pricing applies. Many customers report over 500,000 km trouble-free charging system operation after replacing cracked or worn original brackets with our genuine components. We provide cross-reference support for part number verification—please provide your engine serial number and alternator specification for accurate matching. We stock both cast iron brackets (612600091073, 612640060245) and aluminum brackets for weight-sensitive applications, as well as individual replacement bolt kits (1000750099) and lock washer sets.
Also monitor the battery charging warning light on the instrument panel. If the light illuminates at idle but goes away when engine speed increases, the alternator belt may be slipping due to insufficient tension—check the WEICHAI WP12 Generator Bracket Group for loose bolts or bracket cracks that could allow the alternator to move under load.
If the battery charging warning light stays illuminated at all engine speeds, or if the battery voltage remains below 24V under load, the alternator may be misaligned due to a bent or cracked generator bracket, preventing proper belt contact and reducing alternator output.
For severe-duty applications (mining, construction, heavy haul, marine), reduce inspection intervals to every 25,000 km (15,000 miles) or 250 operating hours. High ambient temperatures, dust, and vibration accelerate bracket fatigue and bolt loosening. Marine applications require additional corrosion checks—saltwater environments can accelerate galvanic corrosion of cast iron brackets and steel fasteners.
When installing a new WEICHAI WP12 Generator Bracket Group, ensure that all mounting surfaces on the engine block are clean and free of old gasket material, corrosion, and debris. Align the bracket with the locating dowel pins (if equipped) before tightening bolts. Use a torque wrench to achieve the specified torque values in a symmetrical cross-tightening sequence. After installation, install the drive belt, adjust tension, and run the engine to verify proper alternator operation and belt tracking.
Maintain a logbook of all charging system maintenance: dates of bracket inspections, bolt torque verification readings, belt replacement intervals, battery voltage readings, and any abnormal findings. For fleet operators, tracking battery voltage trends over time is a powerful predictive maintenance tool—a gradual decline in charging voltage often indicates developing belt slip or alternator misalignment, providing ample warning before complete charging system failure occurs.
In summary, the WEICHAI WP12 Generator Bracket Group features high-strength cast construction, precision belt alignment, automatic tensioning integration, and direct fitment for all WP12 applications. Whether you are rebuilding a Shacman X3000, Sinotruk HOWO, Beiben truck, Yutong bus, SDLG wheel loader, marine vessel, or generator set, choosing a genuine generator bracket group directly impacts charging system reliability, alternator longevity, battery life, and overall vehicle electrical system performance.
For workshops performing in-frame overhauls, we recommend ordering the WEICHAI WP12 Generator Bracket Group together with a complete front-end accessory drive service kit including drive belt, belt tensioner, idler pulleys, and mounting bolt set (1000750099). This approach eliminates hidden failures and gives your customer a worry-free warranty period. The bracket is pre-inspected for casting integrity, dimensional accuracy, and mounting surface flatness before shipment.
Our inventory includes both cast iron generator brackets for highway truck applications (612600091073, 612640060245) and aluminum brackets for weight-sensitive applications. The standard WEICHAI WP12 Generator Bracket Group provides excellent service life for long-haul trucking, while heavy-duty variants (612630061030) feature additional ribbing and thicker sections for mining, construction, and marine applications. We provide cross-reference support for part number verification— please provide your engine serial number and alternator specification for accurate matching.
We provide after-sales documentation including dimensional inspection reports, casting integrity certifications, material certificates (cast iron or aluminum alloy composition), and installation torque specifications upon request. Every WEICHAI WP12 Generator Bracket Group is packaged in protective foam-lined boxes to prevent damage during shipping. Bulk orders receive custom palletizing and export documentation assistance. Express shipping available for urgent repairs—most orders dispatched within 24 hours.
All specifications based on original WEICHAI WP12 engine data. Cross-check part numbers with engine serial number and alternator specification. The WEICHAI WP12 Generator Bracket Group includes OEM references 612600091073, 612630060440, 612640060245, 612630060249, 612630061030, and 612630061031. Always torque bracket-to-block bolts to 35-45 N·m, alternator-to-bracket bolts to 35-45 N·m, upper adjustment bracket bolts to 22-28 N·m, use medium-strength thread locker (Loctite 243), and verify belt alignment and tension (deflection 10-15mm between pulleys) after installation.
Related Products
If you have any questions about our products, services, or anything related to what we offer, please don’t hesitate to leave us a message—our dedicated team is always ready to provide prompt and helpful responses to address your concerns. What’s more, when you become our valued customer, we’re delighted to offer you complimentary catalog services, giving you access to detailed, up-to-date information on our full range of products, specifications, and offerings to help you make informed decisions.
We are a first-class heavy duty vehicles and spare parts supplier in China. which covers from engine, gearbox, cab, axle assemblies to main assembly accessories, electrical parts and other chassis parts like brake, clutch and steering parts.
A PROFESSIONAL CHINA TRUCK AND SPARE PARTS SUPPLIER
@Copyright DERUNA
