The 1701010E523SA-02 is a Heavy-Duty Transmission Assembly designed and manufactured for SINOTRUK HOWO Trucks, specifically engineered for robust performance in demanding commercial applications. This assembly serves as the core powertrain component, transferring engine torque to the driveline while enabling smooth gear shifting and optimal fuel efficiency.

Key Features:
High Torque Capacity: Built to handle high-input torque, suitable for HOWO’s heavy-duty engines (commonly paired with models like HOWO A7/T7 series).
Multi-Speed Synchromesh Design: Typically features a 16-speed transmission (e.g., HW19710 series derivatives) with advanced synchronizers for seamless shifting under load.
Robust Construction: Utilizes high-strength alloy gears, hardened shafts, and precision bearings to ensure durability and longevity in harsh transportation, construction, and mining operations.
Optimized Gear Ratios: Carefully calibrated gear ratios provide excellent startability, gradeability, and cruising efficiency.
Reliable Lubrication System: Ensures consistent cooling and protection of internal components under extreme conditions.
OEM Compatibility: Direct replacement part engineered to meet exact SINOTRUK HOWO specifications for fit, function, and performance.


Primary Applications:
SINOTRUK HOWO Tractor Trucks (e.g., HOWO T7, A7)
HOWO Dump Trucks
HOWO Mixer Trucks
HOWO Cargo Trucks (Heavy Haulage)
Compatible with various HOWO models featuring engines like WD615, D10, D12, or MC series.
Utilizing genuine OEM parts guarantees your truck’s reliability, durability, and optimal performanceA global dealer network and extensive inventory ensure that you can quickly access the parts you require. Additionally, a wide range ofaccessories and auxiliary equipment is available to meet your customization needs.

Only OEM parts can deliver the uptime, reliability, and performance you expect from your truck. Designed specifically for your truck, our OEM parts ensure a perfect fit and are manufactured to the highest standards. Choosing OEM parts means peace of mind and hassle-free maintenance.
It’s more than a truck—it’s a lifestyle. OEM parts are designed to meet your customization needs. A bolder, more stylish exterior, enhanced safety features, and increased comfort – all designed to make life on the road even better.

You’ve got to look deeper than the label. Here’s how:
1.Ask for photos of the part with visible SINOTRUK serial numbers.
2.Demand a stamped invoice with part numbers and descriptions.
3.Avoid dealers who can’t match parts to your truck’s VIN or engine model.
4.Request a pre-shipment inspection report or packaging image.
5.Choose partners offering pre-shipment inspection and tracking.