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Fast F6JZ45BM AMT Transmission

FAST F6JZ45BM is LD & MD Truck AMT series transmission has 6 forward gears, the gear ratio steps are arranged reasonably, and has very outstanding fuel economy performance. With double intermediate shaft structure design and integrated with a synchronizer, and the maximum input speed is 4000 RPM. The length of the F6JZ45BM transmission is 695.5 mm. The F6JZ45BM manual transmission has 6 gears, and each gear has a different reduction ratio. The 1st gear reduction ratio is 6.154, the 2nd gear reduction ratio is 3.356, the 3rd gear reduction ratio is 2.032, the 4th gear reduction ratio is 1.368, the 5th gear reduction ratio is 1.000, the 6th gear reduction ratio is 0.800, and the reverse gear 1 ratio is 5.143.The F6JZ45BM manual transmission has an input torque range of 450 N.m.

FAST 6-speed AMT series transmission have different models, with code D in the model name means standard transmission, with code S in the model name means transmission with Double Intermediate Shaft design, with code X in the model name means auxiliary transmissions adopt helical gears, with code L in the model name indicates that the transmission is made of aluminum alloy.

Fast light truck AMT electro-pneumatic actuator has been developed since 2016. The clutch disengagement, engagement and all gear selection operations are automatically controlled by the electronic control system and performed by the pneumatic system. At present, it has been matched with various products of new energy and light truck AMT.

1. It is synchronized with CMI’ advanced design and sophisticated manufacturing, adapts to harsh working conditions, and has high-intensity and heavy-duty work capabilities.
2. The Holset wastegate valve makes the low speed performance more perfect and the power performance better.
3. The cylinder block and cylinder head adopt integrated design to prevent the occurrence of engine water and oil leakage. The parts are 40% less than other similar engines, and the failure rate is greatly reduced.
4. Using forged steel camshaft and crankshaft, high-strength cylinder design, many parts are cast on the cylinder, with high rigidity, high pressure resistance, good reliability and longer service life.
5. The cylinder liner adopts a platform mesh honing design, which effectively prevents oil leakage with a perfect geometric structure, and adopts advanced technology such as new piston ring components and gasket crimping molding to reduce oil loss.

Technical Specifications

Basic Introduction of Shaanxi Fast F6JZ45BM AMT

Transmission Model: F6JZ45BM
Transmission Application: Automated Manual Transmission
Input Torque: 450 N.m
Maximum Speed: 4000 RPM
Installation length:

695.5 mm

Weight Iron/Al Alloy: 104 Kg
Fuel Quantity: 4 L
Speed Ratio: 6.154-0.800
Lead Time: 15-30 Working Days
Payment Terms: T/T ,L/C
The picture of Performance Curve-DCEC Cummins Industrial Engine

Transmission Model

Input Torque

Maximum Speed

Speed Ratio

F6JZ45AM 450 N.m 4000 RPM 104 Kg
F6JZ45BM 450 N.m 4000 RPM 104 Kg
F8JZ95CM 950 N.m 2600 RPM 137 Kg
F8JZ95MM 950 N.m 2600 RPM 137 Kg
F8JZ130AM 1300 N.m 2600 RPM 165 Kg
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Shaanxi Fast F6JZ45BM AMT-Automatic Manual Transmission Data Sheet

Model F6JZ45BM Input TorqueN.m 450
Maximum SpeedRPM 4000 Lengthmm 695.5
Weight Iron/Al Alloy (Kg) 104 Oil (L) Tol. ±4% 4

Speed Ratio of Shaanxi Fast F6JZ45BM AMT-Automatic Manual Transmission

1st Gear 6.154 2nd Gear 3.356 3rd Gear 2.032
4th Gear 1.368 5th Gear 1 6th Gear 0.8
R1 5.568 R2 /    
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Scopes of Supply of Shaanxi Fast F6JZ45BM Automated Manual Transmission

1. Electrical Shifting Systerm 2. TCU clutch control unit 3. Speed sensor
4. Distance Sensor 5. Temperature Sensor 6. Preesure Sensor
7. Main Box 8. Auxiliary Box 9. Gearbox Housing
10. Countershaft Braker 11. Braker Solenoid Valve
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Optional Accessories of Shaanxi Fast F6JZ45BM Automated Manual Transmission

1. Shift Handle 2. Clutch Assembly 3. Power Takeoff
4. Hydraulic Retarder
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Modifiable Components of Shaanxi Fast F6JZ45BM Automated Manual Transmission

1. Helical Teeth 2. Straight Teeth 3. Lubricating Oil Pump
4. Smoothing 5. Gear Shot Blasting
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Note: All Above Data are Just for Referenece, All Data Might Change Without Notices or Update, Please Contact Our Sales Team to Confirm All Details Via WhatsApp or Email.

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Sales Team


Automotive Engine - Mr. Wells Luo

Sales Director - Mr. Jasper Lee      

Service Team


Technical Service - Mr. Vin Hu

Customer Service - Mrs. Wendy Fu

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