Shandong Shengyue Technology Development Co.,Ltd is one of the most professional core spare parts for the howo a7 / sitrak series 6×4 and 8×4 dual-drive configurations rear-axle center-mounted heavy-load balance-shaft suspension system. manufacturers and suppliers in China. Please feel free to buy high quality genuine auto parts at competitive price from our factory.
Core spare parts for the Howo A7 / Sitrak series 6×4 and 8×4 dual-drive configurations rear-axle center-mounted heavy-load balance-shaft suspension system
SINOTRUK Balance Shaft and Housing Product Information Breakdown
| OEM Part No. | Detailed Product Name & Core Structure | Vehicle Compatibility & Key Features | Critical Purchasing & Error-Prevention Tips |
|---|---|---|---|
| AZ9725520210 | Balance Shaft Assembly (Single Snap Ring) (Genuine / OEM) |
Early and standard HOWO 7 Classic series heavy trucks (e.g., Steyr, HOWO dump trucks, and tractors). Features a standard straight shaft layout. | "Single Snap Ring" means the retention structure at the bearing shell is locked on one side only. It is designed for standard loads and highway/composite road conditions. |
| AZ9725520210A | Balance Shaft Assembly (Double Snap Ring, Split Type) | Heavy-duty/reinforced versions of HOWO 7 Classic series (e.g., heavy mining dump trucks, engineering tippers). | "Split Type" axle layout. Its "Double Snap Ring" locking mechanism offers extreme resistance against lateral impacts. Engineered specifically for harsh construction sites and mining terrain. |
| AZ9925520310 | Balance Shaft with Housing Assembly | Specifically designed for the next-generation platforms like HOWO A7, T7H, and SITRAK. Typically paired with MAN technology or heavy-duty AC16/HC16 axles. | This is an integrated master assembly. It includes both the balance shaft and the reinforced outer support housing as a pre-assembled unit, offering a significantly higher load capacity. |
| AZ9725520220 | Balance Shaft with Housing Assembly (09 Model) | Dedicated assembly for the classic HOWO 7 (Upgraded 2009 facelift model) chassis. | Must lock in the "09 Model" specification. It features minor differences in the mounting bolt hole spacing on the sub-frame compared to earlier HOWO or later A7 models and is not directly interchangeable. |
| AZ9525524365 | Balance Shaft Assembly | Commonly found on lightweight tractors and cargo trucks (e.g., Hohan series or highway-focused lightweight HOWO variants). | This model focuses on long-haul highway logistics and weight reduction. The overall weight is optimized, and its load-bearing profile is tailored for long-distance highway cruising. |
| QZDKZC | Balance Shaft Assembly (HOWO A7 - Xinyi Brand) | An aftermarket premium assembly manufactured by "Xinyi" (a prominent OEM supplier for SINOTRUK), specifically cataloged for the HOWO A7. | Regarded as a "highly cost-effective" tier-1 brand component. Its manufacturing dimensions are 100% matched to the factory-installed blueprint of the A7. |
| AZ9725520335 | Balance Shaft Housing | Balance shaft support bracket housing for the HOWO 7 Series (Includes the cast-iron housing bracket only; inner shaft not included). | When only the outer housing is cracked or the bolt holes are stripped but the inner balance shaft remains undamaged, purchasing this housing separately will dramatically lower the repair cost. |
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