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Aluminum MYY6S Gearbox Transmission Assembly For ISUZU NHR NLR NMR NPR NQR Trucks With 4HF1 4HG1 4HK1 4JJ1 Engine
Genuine China Isuzu(Qingling) Quality New MYY6S Transmission Assembly Gearbox Assy 6-speed Manual Gearbox for For ISUZU NHR NLR NMR NPR NQR Trucks with 4HF1 4HG1 4HK1 4JJ1 Engine
MYY6S 6-Speed AMT Transmission Assembly
Description
Products Details
| Item | Details |
| Product Name | MYY6S Gearbox /MYY6S Transmission Assembly |
| OE NO. | 1701010-ME25A; 8-98067680-1; 8-98067680-0; 8-98067656-0 |
| Replacing Part No. | 1701010ME25A; 8980676800; 8980676560; 8980676801 |
| Gearbox Model Number | MYY6S |
| Truck Model Fit for | ISUZU NHR; NLR; NMR; NPR; NQR |
| Engine Model Fit for | 4HF1; 4HG1; 4HK1; 4JJ1 |
| Material | Aluminum |
| Keyword | MYY6S 6 Speed Manual Transmission |
| Quality | Genuine China Isuzu(Qing Ling) Quality |
| PTO Capability | Left-side Power Take-Off (PTO) opening |
| MOQ | 1 Piece |
| Packing | Wooden Box Packaging |
| Price | Negotiable |
| Place of Origin | CHINA |
| Delivery Time | 5-15 Working Days |
| Payment Terms | T/T, Western Union, Paypal |
| Warranty | 3 Months |
| Net Weight | About 83kg (Assembly) |
| Supply Ability | 1000 Pieces / Month |
| Certification | ISO/TS16949 |
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Products Overview
MYY6S 6-Speed AMT Transmission Assembly
The MYY6S is a premier 6-speed AMT (Automated Manual Transmission) assembly engineered for the Isuzu N-Series (Elf) and light-to-medium duty trucks. Featuring a sophisticated three-piece aluminum alloy die-cast housing, this transmission is designed to maximize payload capacity by reducing curb weight while delivering smooth, high-torque performance.

With a rated input torque of 420-450N·m and a wide gear ratio range of 0.795-5.979, the MYY6S balances strong low-speed torque for starting and climbing with fuel-saving performance at high speeds. It perfectly matches ISUZU NHR NLR NMR NPR NQR, ensuring seamless power transmission and optimal operational efficiency.
As the core transmission for Isuzu ELF series models, it integrates advanced technologies such as full-aluminum housing, Smoother-EX control system, and gear anti-deformation technology, making it the ideal upgrade and replacement solution for commercial vehicles in urban distribution, cold chain transportation, and special vehicle modification.The MYY6S offers the perfect balance of durability and fuel efficiency.

Core Advantages
MYY6S 6-Speed AMT gearbox Assy Core Advantages
Lightweight & Fuel-Efficient
Full-aluminum housing with a net weight of only 83kg, 30% lighter than traditional cast iron transmissions, reducing overall vehicle weight and improving fuel economy by up to 15%.
01
Intelligent AMT Control
Equipped with Smoother-EX system, supporting automatic/manual (A/M) switching, economy/power (E/P) modes, and creep mode. The electronic actuator with optimized control algorithm ensures fast response (≤0.5s shift delay) and smooth shifting.
02
High Durability
Adopts high-strength wear-resistant gear materials and anti-deformation technology, passing millions of kilometers of durability tests, suitable for high-intensity commercial operations.
03
Wide Adaptability
Full synchronizer structure, compatible with multiple Isuzu light truck models, and optional PTO interface to meet the modification needs of special vehicles such as sprinklers and fire trucks.
04
Engine & Vehicle Compatibility
The MYY6S is highly versatile. By utilizing different clutch housings,
it can be mated to a wide array of Isuzu engines:
- Diesel Engines:
1. 4JJ1 (3.0L): Standard in NLR and NMR models.
2. 4HK1 (5.2L): Found in heavy-duty NPR, NQR, and NRR models.
3. 4HG1 / 4HF1: Popular for the 4.3L and 4.6L ELF series.
- Gasoline Engines:
1. 6.0L & 6.6L V8: Specifically for North American Isuzu N-Series Gas Trucks.
- Vehicle Models:
1. Isuzu Elf / N-Series: NLR, NNR, NMR, NPR, NQR, NRR.
2. Isuzu F-Series: Lightweight FRR variants.
3. Regional Brands: Qingling Isuzu M100, M600, KV100 (150-161HP versions),and KV600;
Detailed Gear Ratios
|
Gear |
Ratio |
Application Scenario |
|
1st Gear |
5.979 |
Heavy load starting, steep slope climbing |
|
2nd Gear |
3.434 |
Low-speed acceleration, urban congestion |
|
3rd Gear |
1.862 |
Medium-speed cruising, suburban roads |
|
4th Gear |
1.297 |
Highway acceleration, medium-speed load |
|
5th Gear |
1.000 |
High-speed cruising, fuel-saving mode |
|
6th Gear |
0.795 |
Ultra-high speed cruising, maximum fuel efficiency |
|
Reverse Gear |
5.701 |
Backing up, low-speed reversing with load |
Why Source Our MYY6S Gearbox Assembly ?
-
✅1. Quality Certification: Passes ISO/TS16949 automotive quality system certification, consistent with original factory standards for reliable performance.Genuine China Isuzu(Qing Ling) quality, we are the sole authorized distributor in China to offer original MYY6S and MYY5T transmission.
-
✅ 2.Warranty Service: 1 year warranty (whichever comes first) for the entire assembly, covering manufacturing defects and free replacement for qualified issues.
-
✅ 3.Strict Inspection: Each transmission undergoes 3 rounds of testing (static pressure, dynamic operation, leak detection) before delivery to ensure zero defects.100% Bench Tested, every assembly undergoes rigorous testing for gear engagement, noise levels, and leak detection before dispatch.
-
✅ 4.Technical Support: Professional team provides one-on-one installation guidance, model matching advice, and 24/7 troubleshooting services.
- ✅ 5.We have full experience: Our company has been providing one-stop supply of ISUZU truck parts for 29 years. Our foreign trade team has rich experience and product knowledge to solve customer problems.
- ✅ 6.Export-Ready Packaging: Secured in heavy-duty, heat-treated wooden crates to ensure damage-free international sea or air freight.
FAQ
Q: How to Order?
A: To get the correct parts for your MYY6S gearbox, please provide:
1.The Vehicle Identification Number (VIN).
2.Photos of the transmission ID plate.
3.The specific engine it is paired with (e.g., 4HK1-TC)
Q: What's the Important Note?
A:Because the transmission case is a three-piece aluminum alloy design, you must ensure the clutch housing matches your specific engine model (e.g, a housing for a 4JJ1 will not fit a 4HK1)
Q: Can the MYY6S replace the manual transmission of Isuzu ELF?
A: Yes, but it requires matching the corresponding clutch housing, TCU controller, and wiring harness. We recommend consulting our technical team to confirm compatibility with your vehicle year and engine model.
Q: What gear oil is suitable for the MYY6S transmission?
A: Recommended SAE 80W-90 GL-4 gear oil. The replacement cycle is 60,000km or 2 years, depending on the operating environment.
Q: Is the MYY6S compatible with Euro VI emission standards?
A: Yes, the MYY6S is designed to match Euro VI engines, ensuring compliance with emission regulations in Europe, Asia, and other regions.
Ready to Upgrade Your Vehicle's Performance?
Contact us for bulk quotes, technical specifications, and global shipping solutions. We provide fast delivery to major ports worldwide.
About Our company
Founded in 1997 , located in the High-tech Zone of Chongqing City, China. We are one of the largest Isuzu parts distributor in China .We mainly sell full spare parts for Isuzu truck, model cover CXH,CYH,CXZ,CYZ,ELF,EXR,EXZ,FMR,FRR,FSR,FTR,FTS,FSS,FVM,FVR,FVZ,FXZ,FYH,GVR,GVZ,GXZ,NHR,NKR,NLR,NMR,NPR,NPS,NQR,QKR,TFR,TFS,UCR,UCS and UBS ;And We also supply HINO,NISSAN ,TOYOTA spare parts. Main products are China Qingling Isuzu original parts, Japan Isuzu original parts, and famous brand company parts .Like EXEDY,BOSCH, MAHLE,BVP and so on .Looking forward to the future ,we keep a modest and prudent attitude to provide more premium products,and strive to become the top auto parts supplier in the world.









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