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Mr. Perry Wu International Sales Director
FAST 12JSD200T-B+QH70 Gearbox Parts - Control Device/Single H-Valve/Auxiliary Case Drive Gear 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—high-strength steel for gears/shafts, wear-resistant rubber for seals, and durable engineering plastics for control components—all parts undergo professional precision processing. Key processes include forging, heat treatment, CNC machining, and airtightness testing, meeting the gearbox’s 2000Nm maximum input torque requirement. Strict dimensional accuracy and performance inspections ensure full compatibility with original equipment.
Control Device Assembly Parts
Lateral shift lever, air circuit control valve, shift joint, and compression springs—ensuring accurate gear selection and stable control.
Single H-Valve Assembly Parts
Single H-valve, air pipe assemblies, and quick-connect fittings—supporting reliable range shift switching.
Auxiliary Case Drive Gear Assembly Parts
Auxiliary case drive gear, bearing support, and retaining rings—delivering stable power transmission for the auxiliary case.
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、 Control Device Assembly
|
No. |
Parts No. |
Part Name |
Qty. |
|
|
12JS160T-1703010-179 |
Single H Dual-Lever Left Control Device Assembly |
|
|
1 |
F96035-35 |
LRC External Shift Arm |
1 |
|
2 |
Q151B1050 |
Hexagon Head Bolt - Fine Thread |
1 |
|
3 |
Q40310 |
Spring Washer |
1 |
|
4 |
Q341B10 |
Type 1 Hexagon Nut - Fine Thread |
1 |
|
5 |
F91444 |
Oil Seal |
1 |
|
6 |
Q1421025M |
Hexagon Head Bolt and Spring Washer Assembly |
2 |
|
8 |
F91345 |
Lateral Shift Lever Bushing |
2 |
|
9 |
C03033-7 |
End Cover |
1 |
|
10 |
C03034-2 |
Baffle Gasket |
1 |
|
11 |
C03032-14 |
Shift Joint |
1 |
|
12 |
C03031-4 |
Spline Sleeve |
1 |
|
13 |
F99679-36 |
Lateral Shift Lever |
1 |
|
14 |
C09035 |
Elastic Cylinder Pin |
2 |
|
15 |
F99681-7 |
Control Block |
1 |
|
16 |
12JS160T-1703018-1 |
Shift Head |
1 |
|
17 |
C03030 |
Cylinder Pin |
1 |
|
18 |
990_12_71_0041-5 |
Pressure Switch (Neutral) |
1 |
|
Q72318T3 |
Sealing Washer |
1 |
|
|
|
|
1 |
|
|
23 |
0068DS-1 |
Pressure Switch (Reverse) |
1 |
|
Q72318T3 |
Sealing Washer |
1 |
|
|
|
|
1 |
|
|
24 |
QH50-4211313 |
Hexagon Socket Head Cap Screw and Spring WasherAssembly |
2 |
|
25 |
12JS160T-170302212JS160T-1703021C01053 |
Air Circuit Control Valve |
1 |
|
26 |
C03038-13 |
90° Quick-Connect Fitting |
1 |
|
27 |
C03040-1 |
Three-Way Pipe Fitting |
1 |
|
28 |
Q5510628C03036-3 |
Gear Selection Joint |
1 |
|
29 |
C03037-1 |
Positioning Screw |
2 |
|
30 |
QH50-4211313 |
Ordinary Flat Key |
1 |
|
31 |
12JS160T-170302212JS160T-1703021C01053 |
Window Cover |
1 |
|
32 |
C03038-13 |
Window Cover Gasket |
1 |
|
33 |
15276-2 |
Vent Plug Assembly |
1 |
|
34 |
C03004 |
Stop Screw |
1 |
|
35 |
12JS160T-1703015-13 |
Single H Dual-Lever Left Control Device Housing |
1 |
|
36 |
C03035-1 |
Gear Selection Shift Head |
1 |
|
37 |
HG4-333-66-20X2_4 |
O-Ring |
1 |
|
38 |
C03039-1 |
Washer |
1 |
|
39 |
Q170B1016 |
Hexagon Head Bolt with Hole in Head |
1 |
|
42 |
F91353 |
Dual H-Valve Gasket |
1 |
|
50 |
DS100-1703024-1 |
Limit Sleeve |
1 |
|
51 |
F96036-1 |
Compression Spring |
1 |
|
52 |
F99673 |
Spring Seat |
2 |
|
53 |
F99674 |
Spring Spacer |
1 |
|
54 |
F99983 |
Compression Spring |
1 |
|
55 |
F99672 |
End Pad |
1 |
|
56 |
F99666-8 |
Side Plate |
1 |
|
57 |
Q1420822 |
Hexagon Head Bolt and Spring Washer Assembly |
6 |
|
58 |
1819 |
Iron Wire (Φ1.2) |
As Required |
|
59 |
8774-11 |
Reverse Lock Spring |
1 |
2、Single H-Valve Assembly
|
No. |
Parts No. |
Part Name |
Qty. |
|
1 |
66605 |
Air Pipe Assembly |
1 |
|
2 |
7935 |
Vent Plug (1-8") |
2 |
|
3 |
12JS160T-1703052 |
Single H-Valve |
1 |
|
4 |
Q1420430 |
Hexagon Head Bolt and Spring Washer Assembly |
2 |
|
5 |
C01051 |
Straight Pipe Fitting |
3 |
|
6 |
66607 |
Air Pipe Assembly |
1 |
|
7 |
66606 |
Air Pipe Assembly |
1 |
|
8 |
12JS160T-1703021 |
90 Quick-Connect Fitting |
1 |
|
9 |
12JS160T-1702095-1 |
Single H-Valve Support |
1 |
3、Auxiliary Case Drive Gear Assembly
|
No. |
Parts No. |
Part Name |
Qty. |
|
1 |
12JS160T-1701107 |
Reverse Gear Retaining Ring |
1 |
|
2 |
12JS160T-1701106 |
Main Shaft Gear Washer |
1 |
|
3 |
12JSD200T-1701124B |
Bearing Support |
1 |
|
4 |
50118 |
Single-Row Radial Ball Bearing with Snap Groove |
1 |
|
5 |
C01019 |
Stop Ring |
1 |
|
6 |
JS220-1707031 |
Auxiliary Case Bearing Positioning Plate |
1 |
|
7 |
C09032 |
Hexagon Head Bolt with Hole in Head |
6 |
|
8 |
1819 |
Iron Wire |
As Required |
|
9 |
12JSD200T-1707030B |
Auxiliary Case Drive Gear |
1 |
|
10 |
9JS200T-1701123 |
Stop Ring |
1 |
Product Advantages
12JSD200T-B+QH70 Exact Fit
100% matched to original dimensions, no fitment issues for heavy-duty repairs.
Heavy-Duty Durability
Withstands high torque and harsh working conditions, long service life.
Precise Control Performance
Precision-machined control components ensure smooth gear shifting.
Reliable Power Transmission
High-strength drive gear and bearing support reduce failure risks.
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