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SHACMAN X3000 FAST 12JSDX240 Gearbox Assembly Heavy Duty Truck Manual Transmission System Spare Parts
SHACMAN X3000 FAST 12JSDX240 Gearbox Assembly Heavy Duty Truck Manual Transmission System Spare Parts
SHACMAN X3000 FAST 12JSDX240 Gearbox Assembly Heavy Duty Truck Manual Transmission System Spare Parts
SHACMAN X3000 FAST 12JSDX240 Gearbox Assembly Heavy Duty Truck Manual Transmission System Spare Parts
SHACMAN X3000 FAST 12JSDX240 Gearbox Assembly Heavy Duty Truck Manual Transmission System Spare Parts
SHACMAN X3000 FAST 12JSDX240 Gearbox Assembly Heavy Duty Truck Manual Transmission System Spare Parts
Specifications
Applicable Model :
For SHACMAN X3000、X5000 、F3000 / FOTON AUMAN GTL/ WEICHAI WP12,WP13
Service :
24 Hours Online Service
Certification :
CQC URS CE
Shipping :
Courier/Air Freight/Sea Freight or According to customer requirements
Package :
Customer Requirements/neutral Packaging/brand Packaging
Model Number :
12JSDX240
Warranty :
6 months
Purpose :
For replace/repair
Payment Terms :
L/C,D/A,D/P,T/T
Price :
negotiation
Payment :
T/T,,Alipay
Supply Ability :
500PCS
MOQ :
1PCS
Delivery Time :
3-5days
Place of Origin :
China
Availability :
In stock
Material :
High-Strength Die-Cast Aluminum Alloy Housing
Brand Name :
FAST
Product Name :
Manual Transmission Assembly
Packaging Details :
Unified cardboard, packaging with bubble wrap inside and wrapped with film outside. Large items can be palletized or packaged according to customer needs
Description


Manual Transmission System Spare Parts SHACMAN X3000 FAST 12JSDX240 Gearbox Assembly




The FAST 12JSDX240 Gearbox Assembly is a 12-speed manual transmission designed for heavy-duty truck powertrain applications and belongs to the manual transmission system. With a rated input torque of 2400 N·m, the gearbox is designed to transfer engine power to the driveline while providing multiple gear ratios for different operating conditions. Its 12 forward speeds allow the truck to maintain a suitable engine operating range during starting, heavy-load acceleration, climbing, highway driving, and changing road conditions, while the two reverse ratios provide additional flexibility during low-speed maneuvering. The standard 12JSDX240 configuration has an installation length of approximately 983.5 mm, a maximum input speed of 2600 rpm, and a reference oil capacity of approximately 16.5 L. During actual vehicle operation, transmission performance depends on correct clutch adjustment, suitable lubricant, proper shift operation, and the condition of internal gears, shafts, bearings, and synchronizers. Difficult gear selection, gear jumping, abnormal transmission noise, vibration, oil leakage, or changes in shifting behavior can indicate that the gearbox requires inspection. When replacing the complete 12JSDX240 transmission assembly, buyers should verify the transmission model, input/output interface, clutch housing, PTO configuration, shift mechanism, mounting dimensions, and vehicle application before purchase. This is particularly important because FAST offers several visually similar 12-speed transmission models, including 12JSDX240A, 12JSDX240T, 12JSDX240TA, and 12JSDX240K/260K, but their specifications and configurations are not identical.


Product Specification


Product Name

12JSDX240 Manual Transmission Assembly
Transmission Model

12JSDX240
Transmission Series

JSD200 / JSD220
Condition New
Origin China
Quality Standard 100% Tested
Quality Certification ISO, CCC, GSO, CE, SGS, TUV
Weight 288.0 KG
Dimensions

990 mm × 550 mm × 380 mm


Ordering & Shipping Information
Packing Options
Carton, Wooden Box, Pallet
Shipping Methods
Courier / Air Freight / Sea Freight
Payment Terms
L/C, T/T, , PayPal, , Alipay
Loading Port
Any Port in China

FAQ


Q1:What are common signs that a truck gearbox needs inspection?

Common indications include difficulty shifting, gear jumping, abnormal mechanical noise, excessive vibration, oil leakage, or changes in gear engagement. The clutch, shift mechanism, and driveline should also be checked because similar symptoms can originate outside the gearbox.




Q2:Why can a manual transmission make abnormal noise?

Possible causes include worn bearings, damaged gears, incorrect lubrication, excessive shaft clearance, synchronizer wear, or problems with the driveline. The transmission should be inspected systematically rather than replacing the complete assembly based only on noise.




Q3: What is important when installing a replacement gearbox?

Confirm mounting alignment, clutch compatibility, input shaft engagement, output connection, oil level, shift linkage, and PTO configuration. After installation, verify gear engagement and check for abnormal noise or leakage before placing the truck under heavy operating load.


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SHACMAN X3000 FAST 12JSDX240 Gearbox Assembly Heavy Duty Truck Manual Transmission System Spare Parts

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Product Detail
Applicable Model :
For SHACMAN X3000、X5000 、F3000 / FOTON AUMAN GTL/ WEICHAI WP12,WP13
Service :
24 Hours Online Service
Certification :
CQC URS CE
Shipping :
Courier/Air Freight/Sea Freight or According to customer requirements
Package :
Customer Requirements/neutral Packaging/brand Packaging
Model Number :
12JSDX240
Contact Supplier
SHACMAN X3000 FAST 12JSDX240 Gearbox Assembly Heavy Duty Truck Manual Transmission System Spare Parts
SHACMAN X3000 FAST 12JSDX240 Gearbox Assembly Heavy Duty Truck Manual Transmission System Spare Parts
SHACMAN X3000 FAST 12JSDX240 Gearbox Assembly Heavy Duty Truck Manual Transmission System Spare Parts

Shaanxi Zhixing Shengbang Trading Co., Ltd

Verified Supplier
1 Years
Shaanxi
Since 2025
Business Type :
Trading Company
Main Products :
Shacman Truck Spare Parts, Truck Transmission Parts, Sinotruk HOWO Truck Parts
Total Annual :
10 million RMB-15 million RMB
Employee Number :
10 people~15 people
Certification Level :
Verified Supplier
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