Sinotruk Parts
Shacman Parts
FAW Parts
Dongfeng Parts
Foton Parts
Chenglong Parts
Golden Dragon Bus Parts
King Long Parts
Yutong Parts
Higer Parts
Zhongtong Parts
Ankai Parts
Mr. Perry Wu International Sales Director
FAST 12JSD200T-B+QH70 Gearbox Parts - Case/Shaft Assembly Components
|
Model |
12JSD200T-B+QH70 |
|
Brand |
Fast |
|
Number of Gears |
12 forward gears + 2 reverse gears |
|
Shifting Mode |
Manual Shifting |
|
Maximum Input Torque |
2000Nm |
|
Adapted Vehicles |
Heavy-duty scenarios such as heavy-duty trucks, mining transportation, and construction machinery |
Product Description
These parts are engineered exclusively for the FAST 12JSD200T-B+QH70 12-speed manual gearbox, tailored to heavy-duty scenarios like long-haul transportation, mining, and construction.
Crafted from premium materials—ductile iron for cases, high-strength alloy steel for shafts, and wear-resistant rubber for seals—all parts undergo professional processing. Key processes include precision casting, forging, heat treatment, and CNC machining, meeting the gearbox’s 2000Nm maximum input torque requirement. Strict dimensional and performance inspections ensure full compatibility with original equipment.
Clutch & Transmission Case Assembly Parts
Clutch housing, transmission case, release fork, skeleton oil seal, and gaskets—forming the gearbox’s structural foundation and sealing system.
Second Shaft Assembly Parts
Second shaft, 1st-5th/reverse gears, synchronizer assemblies, and washers—core components for smooth power transmission and gear shifting.
Countershaft Assembly Parts
Left/right countershafts, drive gears, spacer sleeves, and square keys—adopting dual-shaft design for balanced torque distribution.
Direct-fit design allows hassle-free installation without modification, fully interchangeable with original parts. Ideal for routine maintenance, emergency repairs, and fleet bulk procurement.
Detail Parts List
1、 Clutch and Transmission Case Assembly
|
No. |
Parts No. |
Part Name |
Qty. |
|
1 |
GB889_2-2000-M16X1_5 |
Type 1 Hexagon Lock Nut with Non-Metallic Insert |
9 |
|
2 |
Q40116 |
Flat Washer |
9 |
|
3 |
C01056 |
Stud Bolt |
8 |
|
4 |
C01056 |
Stud Bolt |
1 |
|
5 |
12JSD160T-1701015-29 |
Transmission Case |
1 |
|
6 |
5DS50T-1701085 |
Oil Plug and Magnet Assembly |
1 |
|
|
6JS160T-1709588-1 |
O-Ring |
1 |
|
7 |
14334 |
Rear Cover Locating Pin |
2 |
|
8 |
54015 |
CA Bowl-Shaped Plug |
4 |
|
9 |
14373 |
Round Magnet |
3 |
|
No. |
Parts No. |
Part Name |
Qty. |
|
1 |
C09034 |
Pre-Coated Hexagon Head Bolt with Hole and SpringWasher Assembly |
2 |
|
2 |
Q1421032M |
Pre-Coated Hexagon Head Bolt and Spring Washer Assembly |
4 |
|
3 |
JS180-1701040-4 |
Input Shaft Bearing Cover |
1 |
|
4 |
F500A-1802191 |
Skeleton Oil Seal Assembly |
1 |
|
5 |
14311 |
Input Shaft Bearing Cover Gasket |
1 |
|
6 |
Q1421290M |
Pre-Coated Hexagon Head Bolt and Spring WasherAssembly |
2 |
|
7 |
Q1421238M |
Pre-Coated Hexagon Head Bolt and Spring Washer Assembly |
2 |
|
8 |
JS180-1601016-3 |
Clutch Access Cover |
2 |
|
9 |
Q1420822 |
Hexagon Head Bolt and Spring Washer Assembly |
1 |
|
11 |
JS180-1601021-2 |
Clutch Release Fork |
4 |
|
12 |
Q218B1645 |
Hexagon Socket Head Cap Screw |
1 |
|
13 |
Q40316 |
Spring Washer |
2 |
|
14 |
JS180-1601024-26 |
T-Shaped Plate |
1 |
|
15 |
JS180-1601023-7 |
Fork Shaft |
1 |
|
16 |
GE25ET-2RSGB9163 |
Spherical Plain Bearing |
1 |
|
17 |
JS180-1601022-1 |
Gasket |
1 |
|
18 |
No |
|
|
|
20 |
JS180-1601015-28 |
Clutch Housing |
1 |
|
21 |
No |
|
|
|
22 |
20822-2 |
Clutch Housing Gasket |
1 |
|
23 |
GB889_2-2000-M16X1_5 |
Type 1 Hexagon Lock Nut with Non-Metallic Insert |
1 |
2、Second Shaft Assembly
|
No. |
Parts No. |
Part Name |
Qty. |
|
1 |
12JSD200T-1701116B |
Input Shaft Gear |
1 |
|
2 |
9JS200T-1701123 |
Stop Ring |
6 |
|
3 |
12JSDX240T-1701190 |
Synchronizer Assembly |
1 |
|
4 |
9JS200T-1701122 |
Main Shaft Gear Washer |
8 |
|
5 |
12JSD200T-1701115B |
Second Shaft 5th Gear |
1 |
|
6 |
12JSDX240TA-1701114 |
Second Shaft 4th Gear |
1 |
|
7 |
12JSDX240T-1701180 |
Synchronizer Assembly |
1 |
|
8 |
12JSDX240TA-1701113 |
Second Shaft 3rd Gear |
1 |
|
9 |
12JSDX220T-1701112B |
Second Shaft 2nd Gear |
1 |
|
10 |
12JSDX240T-1701170 |
Synchronizer Assembly |
1 |
|
11 |
12JSDX220T-1701111B |
Second Shaft 1st Gear |
1 |
|
12 |
12JSDX240T-1701108 |
Synchronizer Sleeve |
1 |
|
13 |
12JSDX240T-1701110 |
Second Shaft Reverse Gear |
1 |
|
14 |
12JSDX240T-1701125 |
Second Shaft Reverse Gear Washer |
1 |
|
15 |
12JSDX220T-1701121B |
Second Shaft Hex Key |
1 |
|
16 |
12JSDX240T-1701105 |
Second Shaft |
1 |
3、Countershaft Assembly
|
No. |
Parts No. |
Part Name |
Qty. |
|
1 |
6DS100T-1701058 |
Countershaft Stop Ring |
1 |
|
2 |
12JSD200T-1701056B |
Countershaft Drive Gear |
1 |
|
3 |
12JSDX240T-1701057 |
Spacer Sleeve |
1 |
|
4 |
12JSD200T-1701052B |
Countershaft 5th Gear |
1 |
|
5 |
12JSDX240TA-1701051 |
Countershaft 4th Gear |
1 |
|
6 |
12JSDX240TA-1701050 |
Countershaft 3rd Gear |
1 |
|
7 |
X-6-E |
Woodruff Key |
1 |
|
8 |
Q5280514 |
Elastic Cylinder Pin |
1 |
|
9 |
16JS200T-1701055 |
Countershaft Square Key |
1 |
|
10 |
12JSDX220T-1701049B/ |
Right Countershaft |
1 |
|
|
12JSDX220T-1701048B |
Left Countershaft |
1 |
Product Advantages
12JSD200T-B+QH70 Exact Fit
100% matched to original dimensions, no fitment issues for heavy-duty repairs.
Heavy-Duty Durability
High-strength alloy steel and wear-resistant materials withstand extreme conditions like mining and construction, significantly extending part service life.
Smooth Power Transmission
Precision-machined gears and synchronizers ensure stable torque delivery and smooth shifting.
Reliable Sealing Protection
High-quality seals and gaskets prevent oil leakage and dust intrusion.
Easy Maintenance
Modular design enables quick part replacement without disassembling the entire gearbox.
Payment & Shipping Terms
● MOQ: 1 piece
● Packaging: Customizable wooden crate/carton
● Delivery: 3-20 working days (express: DHL/FedEx; sea freight for bulk)
● Payment: L/C, T/T, Western Union; tracking number provided in 24hrs
● After-Sales Service：24-hour technical support, global service network