HW19712 Heavy Duty 12-Speed Manual Transmission Assembly 100% brand new heavy-duty commercial grade 12-speed manual transmission assembly (12 forward + 2 reverse) with input torque capacity up to 1900 N·m. Main transmission + planetary auxiliary range gearbox structure. Widely applied to heavy duty dump trucks, tractor heads, cargo trucks, and special vehicles. Ready for international ocean freight dispatch to your designated port. |
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| Product Identity | |
| Product Name | 12-Speed Manual Transmission Assembly |
| Model Code | HW19712 |
| Number of Speeds | 12 Forward + 2 Reverse |
| Product Category | Commercial Vehicle Driveline & Gearbox Assemblies |
| Performance & Lubrication | |
| Max Nominal Torque | 1900 N·m |
| Shift Control Type | Manual Mechanical Gear Shift |
| Lubrication Medium | Heavy Duty Gear Oil (GL-5 Standard) |
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Twin Countershaft Structural Design Splits input torque evenly across two countershafts, significantly reducing gear tooth load, noise, and mechanical stress. | Broad Ratio Spread & High Gradeability 12 progressive speed steps provide exceptional low-gear traction for steep quarry inclines and economical high-gear cruising on highways. |
Smooth Mechanical Shifting Integrated synchronizer mechanisms and optimized shift linkage controls ensure low lever effort and fluid driver gear changes. | Heavy-Duty Cast Iron Housing Rigid outer casing protects internal gear trains from torsional flex and shock loads during rough off-road haulage. |
Integrated Auxiliary Power Take-Off (PTO) Readiness Standard PTO mounting pads to easily drive hydraulic tipping pumps, winches, or auxiliary truck equipment. |
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Heavy Commercial Dump Trucks Provides high low-end torque amplification for multi-axle tippers hauling ore, sand, and rock in construction sites. | Long-Haul Tractor Units Delivers optimized gear ratios for heavy tractor-trailers to ensure fuel economy and stable cruising speeds. |
Concrete Mixers & Heavy Rigging Vehicles Delivers robust power transfer for heavy chassis working under challenging road conditions. | Fleet Driveline Overhaul & Replacement The complete plug-and-play solution for replacing worn, slipping, or cracked transmission units in transport fleets. |
Packaging Each transmission drained of testing oil, treated with anti-rust coating, wrapped in heavy protective plastic film, and secured inside a custom heavy-duty export wooden crate with steel reinforcement. | Shipping Shipped via ocean freight (FCL full container load or LCL bulk cargo) to your designated seaport. Full export documentation provided. |
Who We Are Shandong Chengda Auto Sale Co., Ltd., established in 2005, is one of the qualified manufacturers of trailers, semi-trailers, tractor heads, dump trucks, engineering machinery, and trailer parts. Annual export value above 50 million USD, revenue nearly 600 million RMB. | Global Partners Long-term business relationships with world-famous enterprises including SINOTRUK, SHACMAN, FAW, DFAC, XUGONG Group, LIUGONG Group, SEM Group, etc. Mature after-sale systems and professional sales team. |
1. Who are we? Based in Shandong, China, exporting since 2017. Sales to Africa (60%), Southeast Asia (20%), South Asia (10%), South America (5%), Oceania (3%), Mid East (2%). About 101-200 people in our office. | 2. How can we guarantee the quality? Always a pre-production sample before mass production; always final inspection before shipment. |
3. What can you buy from us? Truck (Dump Truck, Tractor Truck), Semi Trailer (Low Bed Truck Trailer, Flatbed Trailer, Fuel Tanker Semi Trailer, Bulk Cement Trailer), Low Bed Trailer, Trailer Parts, Heavy Duty Transmissions & Gearbox Spare Parts. | 4. Why should you buy from us? Established in 2005, our plant is one of the qualified manufacturers of various trailers and heavy truck parts suppliers. Factory direct price, customized products, diversified inventory, leading technology, professional sales team. |
5. What services can we provide? Delivery Terms: FOB, CFR, CIF, EXW; Payment Currency: USD, EUR, JPY, CAD, AUD, HKD, GBP, CNY, CHF; Payment Type: T/T, L/C, MoneyGram, Credit Card, PayPal, Western Union, Cash; Languages: English, Chinese, Spanish, Portuguese, Arabic, French. |
Customers from more than 80 countries visit us, from East Africa, West Africa, South America, Asia, etc.
ISO 9001, CE, and international heavy-duty vehicle gearbox component quality management standard certifications.
Shandong Chengda Auto Sales Co.,Ltd.
Phone,WhatsApp：+86 18853125881
Email：dingzan@scdtrailer.com
Contact Address：
Room 68208‑68209, 1st Street, 4th Floor, Gate 97, District 5, Yiwu International Trade City, Yiwu City, Zhejiang Province, P.R.China
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