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Mr. Perry Wu International Sales Director
FAST 12JSDX240T Gearbox Parts - Control Device/Single H-Valve/Auxiliary Case Drive Gear Assembly
|
Model |
12JSDX240T |
|
Brand |
Fast |
|
Number of Gears |
12 forward gears + 2 reverse gears |
|
Shifting Mode |
Manual Transmission |
|
Maximum Input Torque |
2400 N.m |
|
Adapted Vehicles |
Suitable for harsh working conditions and heavy-duty operations, applied to heavy-duty trucks, construction machinery and other equipment requiring high-intensity work |
Product Description
These parts are engineered exclusively for the FAST 12JSDX240T 12-speed aluminum alloy gearbox, tailored to heavy-duty scenarios like long-haul transportation, mining, and construction.
Crafted from premium materials—high-strength steel for gears and 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 2400N.m maximum input torque requirement. Strict dimensional accuracy and performance inspections ensure full compatibility with original equipment.
Control Device Assembly Parts
Lateral shift levers, dual H-valves, pressure switches and positioning plungers—core components ensuring accurate gear selection and stable shifting control.
Single H-Valve Assembly Parts
Single H-valves, air pipe assemblies, quick-connect fittings and pipe fittings—supporting reliable range shift switching and air circuit sealing.
Auxiliary Case Drive Gear Assembly Parts
Auxiliary case drive gears, bearing supports, positioning plates 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. |
|
1 |
F96035-48 |
LRC External Shift Arm |
1 |
|
2 |
GB21-76 |
Small Hexagon Head Bolt (M10×1×50) |
1 |
|
3 |
GB93-76 |
Spring Washer 10 |
1 |
|
4 |
Q34110 |
Hexagon Nut |
1 |
|
5 |
F91444 |
Oil Seal |
1 |
|
6 |
Q150B1025 |
Hexagon Head Bolt |
3 |
|
7 |
Q40310 |
Spring Washer |
3 |
|
8 |
F91345 |
Lateral Shift Lever Bushing |
2 |
|
9 |
C03033-5 |
End Cover |
1 |
|
10 |
C03034-1 |
Baffle Gasket |
1 |
|
11 |
C03032-6 |
Shift Joint |
1 |
|
12 |
C03031-1 |
Spline Sleeve |
1 |
|
13 |
12JS160T-1703017-7 |
Lateral Shift Lever |
1 |
|
14 |
GB879-76 |
Elastic Cylinder Pin (Pin 6x35) |
2 |
|
15 |
F99681 |
Low/Reverse Gear Switch 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 |
|
23 |
0068DS-1 |
Pressure Switch (Reverse) |
1 |
|
24 |
F99670 |
Hexagon Socket Head Cap Screw and Spring Washer Assembly |
2 |
|
25 |
F96037-1 |
Air Circuit Control Valve |
2 |
|
26 |
F96140 |
90' Quick-Connect Fitting |
2 |
|
27 |
F96141 |
Three-Way Pipe Fitting |
2 |
|
28 |
C03038-7 |
Gear Selection Joint |
1 |
|
29 |
C03040-1 |
Positioning Screw |
2 |
|
30 |
Q5510628 |
Flat Key |
1 |
|
31 |
C03036-1 |
Window Cover |
1 |
|
32 |
C03037-1 |
Window Gasket |
1 |
|
33 |
15276 |
Vent Plug |
1 |
|
34 |
C03004 |
Stop Screw |
1 |
|
35 |
F96194-33-Y |
Dual H-Control Device Housing |
1 |
|
36 |
C03035-1 |
Gear Selection Shift Head |
1 |
|
37 |
HG4-333-66 |
O-Ring (20×2.4) |
1 |
|
38 |
C03039-1 |
Washer |
1 |
|
39 |
Q170B1016 |
Hexagon Head Bolt with Hole in Head |
1 |
|
40 |
7935 |
Vent Plug |
2 |
|
41 |
55521 |
Air Pipe Assembly |
1 |
|
42 |
F91353 |
Dual H-Valve Gasket |
1 |
|
43 |
F99660 |
Dual H-Valve |
1 |
|
44 |
GB93-76 |
Spring Washer 6 |
2 |
|
45 |
GB70-76 |
Hexagon Socket Head Cap Screw (M6×18) |
2 |
|
46 |
55506 |
Air Pipe Assembly |
2 |
|
47 |
12880 |
45 Elbow Pipe Fitting |
1 |
|
48 |
GB859-76 |
Spring Washer 8 |
4 |
|
49 |
GB21-76 |
Small Hexagon Head Bolt (M8× 12) |
4 |
|
50 |
F99675 |
Positioning Ring |
1 |
|
51 |
F96036-1 |
Compression Spring |
1 |
|
52 |
F99673 |
Spring Seat |
2 |
|
53 |
F99674 |
Spring Spacer |
1 |
|
54 |
F99983-1 |
Compression Spring |
1 |
|
55 |
F99672 |
End Pad |
1 |
|
56 |
F99666 |
Side Plate |
1 |
|
57 |
GB93-76 |
Spring Washer 8 |
4 |
|
58 |
GB21-76 |
Small Hexagon Head Bolt (M8×22) |
4 |
|
59 |
1819 |
Iron Wire (Φ1.2) |
As Required |
2、Single H-Valve Assembly
|
No. |
Parts No. |
Part Name |
Qty. |
|
1 |
66605 |
Air Pipe Assembly |
1 |
|
2 |
7935-2 |
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 |
Single H-Valve Support |
1 |
3、Auxiliary Case Drive Gear Assembly
|
1 |
12JS160T-1701106 |
Main Shaft Gear Washer |
1 |
|
2 |
12JS160T-1701107 |
Reverse Gear Retaining Ring |
1 |
|
3 |
12JSDX220T-1707025B |
Second Shaft Bearing Assembly |
1 |
|
|
12JSDX220T-1701126B |
Bearing Support |
1 |
|
|
6217N-YB |
Deep Groove Ball Bearing |
1 |
|
|
10JSX180-1701019 |
Stop Ring |
1 |
|
4 |
10JSX180-1707031 |
Auxiliary Case Bearing Positioning Plate |
2 |
|
5 |
C09032 |
Hexagon Head Bolt with Hole in Head |
6 |
|
6 |
1819 |
Iron Wire |
As Required |
|
7 |
12JSDX240T-1707030 |
Auxiliary Case Drive Gear |
1 |
|
8 |
9JS200T-1701123 |
Stop Ring |
1 |
Product Advantages
12JSDX240T Exact Fit
100% matched to original dimensions, no fitment issues for heavy-duty repairs.
Heavy-Duty Durability
Withstands 2400N.m torque and harsh working conditions, extending service life.
Smooth Shifting Performance
Precision-machined control components and single H-valve ensure stable gear changes.
Reliable Power Transmissiony
High-strength auxiliary case drive gear ensures consistent torque delivery.
Easy Maintenance
Modular design enables quick replacement without full gearbox disassembly.
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