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Mr. Perry Wu International Sales Director
FAST 8JS85C Gearbox Parts - Control Device/Air Filter Regulator/Auxiliary Case Drive Gear Assembly
|
Model |
8JS85C/85E |
|
Brand |
Fast |
|
Number of Gears |
8 forward gears + 2 reverse gears |
|
Shifting Mode |
Manual Transmission |
|
Maximum Input Torque |
850 N.m |
|
Adapted Vehicles |
Suitable for harsh working conditions and high-intensity heavy-duty operations, widely applied in buses, coaches, trucks, tractors, trailers and special vehicles |
Product Description
These parts are engineered exclusively for the FAST 8JS85C 8-speed manual gearbox, tailored to heavy-duty scenarios like long-haul transportation, logistics and special vehicle operations.
Crafted from premium materials—high-strength steel for gears and shafts, wear-resistant rubber for seals, and durable engineering plastics for structural components—all parts undergo professional precision processing. Key processes include forging, heat treatment, CNC machining and airtightness testing, meeting the gearbox’s 850 N.m maximum input torque requirement. Strict dimensional accuracy and performance inspections ensure full compatibility with original equipment.
Control Device Assembly Parts
Lateral shift lever, gear selection shaft, limit spring and oil seal—core components ensuring accurate gear selection and stable shifting control.
Air Filter Regulator Assembly Parts
Air filter regulator, air pipe assembly and elbow pipe fitting—filtering air impurities and maintaining stable pneumatic system pressure.
Auxiliary Case Drive Gear Assembly Parts
Auxiliary case drive gear, deep groove ball bearing and bearing positioning plate—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 |
J82-1703033-1 |
Bowl-Shaped Plug |
1 |
|
2 |
1709002-3 |
Hexagon Head Bolt |
1 |
|
3 |
Q72306 |
Sealing Washer |
1 |
|
4 |
JS125T-1703025-6 |
Gear Selection Shaft Assembly |
1 |
|
5 |
Q43117 |
Elastic Retaining Ring for Shaft |
1 |
|
6 |
6J80T-1703036 |
Oil Seal Cover Plate |
1 |
|
7 |
6J80T-1703035 |
Oil Seal |
1 |
|
8 |
15276 |
Vent Plug |
1 |
|
9 |
JS125T-1703015-1 |
Control Device Housing |
1 |
|
10 |
J82-1703029-4 |
Limit Spring |
2 |
|
11 |
J82-1703040-1 |
Spring Spacer |
1 |
|
12 |
JS125T-1703018-1 |
Shift Head |
1 |
|
13 |
JS125T-1703040-1 |
Spring Pad |
1 |
|
14 |
F91345 |
Lateral Shift Lever Bushing |
1 |
|
15 |
F914444 |
Oil Seal |
1 |
|
16 |
F99669 |
Sleeve |
1 |
|
17 |
JS125T-1703017-7 |
Lateral Shift Lever |
1 |
|
18 |
Q151B1050 |
Hexagon Head Bolt |
1 |
|
19 |
F96035-46 |
External Shift Arm |
1 |
|
20 |
Q40310 |
Spring Washer |
1 |
|
21 |
Q341B10 |
Type 1 Hexagon Nut |
1 |
2、Air Filter Regulator Assembly
|
No. |
Parts No. |
Part Name |
Qty. |
|
1 |
A-4740 |
Air Filter Regulator |
1 |
|
2 |
12845 |
90° Elbow Pipe Fitting |
1 |
|
3 |
54015 |
CA Bowl-Shaped Plug |
1 |
|
4 |
Q1420660 |
Hexagon Head Bolt and Spring Washer Assembly |
2 |
|
5 |
55513 |
Air Pipe Assembly |
1 |
|
6 |
Q618B01 |
Hexagon Head Tapered Pipe Plug |
2 |
3、Auxiliary Case Drive Gear Assembly
|
No. |
Parts No. |
Part Name |
Qty. |
|
1 |
JS85T-1707022 |
Retaining Ring Fixing Ring |
1 |
|
2 |
Q43375 |
Flattened Wire Circlip for Shaft |
1 |
|
3 |
6015N |
Deep Groove Ball Bearing |
1 |
|
4 |
Q433115 |
Flattened Wire Circlip for Shaft |
1 |
|
5 |
JS85T-1707071 |
Bearing Positioning Plate |
1 |
|
6 |
C09032 |
Hexagon Head Bolt with Hole in Head |
2 |
|
7 |
1819 |
Iron Wire |
As Required |
|
8 |
JS85E-1707030 |
Auxiliary Case Drive Gear |
1 |
|
9 |
JS85T-1701123 |
Stop Ring |
1 |
Product Advantages
8JS85C Exact Fit
100% matched to original dimensions, no fitment issues for heavy-duty repairs.
Heavy-Duty Durability
Withstands 850 N.m torque and harsh working conditions, extending service life.
Smooth Shifting Performance
Precision-machined control components ensure stable gear changes and reliable operation.
Efficient Filtration & Sealing
High-quality air filter regulator and seals prevent impurity intrusion and oil leakage.
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