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Caterpillar FC8A120 AT Transmission

FAST FC8A120 is FAST Automatic Transmission has 6 forward gears, the gear ratio steps are arranged reasonably, and has very outstanding fuel economy performance. With hydraulic automatic transmission, the input power of the FC8A120 transmission can reach up to 220 kW, and the Rated input speed is 2400 RPM. The length of the FC8A120 transmission is 740 mm. The FC8A120 AT transmission has 9 gears, and each gear has a different reduction ratio. The 1st gear reduction ratio is 5.076, the 2nd gear reduction ratio is 3.349, the 3rd gear reduction ratio is 2.584, the 4th gear reduction ratio is 1.790, the 5th gear reduction ratio is 1.389, the 6th gear reduction ratio is 1.000, the 7th gear reduction ratio is 0.757, the 8th gear reduction ratio is 0.663, the 9th gear reduction ratio is 0.589, and the reverse gear is 5.391. The input torque of the FC8A120 AT transmission is 1200 N.m.

FAST AT series transmission have different models, with code FC in the model name indicates that the is a Xi’an FC transmission, with code A in the model name indicates a hydraulic automatic transmission.

Xi’an FC Intelligent Transmission Co. Ltd. adopts the world’s most advanced high-precision equipment in production. In terms of machining, we have DMG, Okuma, Mazak CNC turning and milling compound machining centers, Okuma large CNC horizontal and vertical machining centers, Mitsubishi CNC gear hobbling and shaping machines, advanced CNC vertical internal broaching machines, Kellenberger precision CNC grinding machines and Kapp grinding machines Gear and other equipment. The heat treatment production lines all use professional Aichelin equipment. The assembly line is well-equipped with first-class hardware. This advanced production equipment has laid a solid foundation for creating excellent hydraulic transmission products!

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 Caterpillar FC8A120 AT

Transmission Model: FC8A120
Transmission Application: Automatic Transmission
Input Torque: 1200 N.m
Maximum Speed: 2400 RPM
Installation length: 740 mm
Weight Iron/Al Alloy: 254 Kg
Fuel Quantity: 30 L
Speed Ratio: 5.076-0.587
Lead Time: 15-30 Working Days
Payment Terms: T/T ,L/C
The picture of Performance Curve-DCEC Cummins Industrial Engine

Caterpillar FC8A120 AT Transmission Data Sheet

Model FC8A120 Max. Input TorqueN.m 1200
Max. Input PowerkW 220 Rated SpeedRPM 2400
Total Lengthmm 740 / /

TC Stall Torque Ratio of Caterpillar FC8A120 AT-Automatic Transmission

1st Gear 1.82 2nd Gear 1.91 3rd Gear /

Speed Ratio of Caterpillar FC8A120 AT-Automatic Transmission

1st Gear 5.076 2nd Gear 3.349 3rd Gear 2.584
4th Gear 1.79 5th Gear 1.389 6th Gear 1
7th Gear 0.757 8th Gear 0.663 9th Gear 0.587
R 5.391 WeightKg 254 OilL 30
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Scopes of Supply of Caterpillar FC8A120 Automatic Transmission

1. ECU electrical control unit 2. Torque Converter 3. Gearbox Wiring
4. Solenoid Valve 5. Drain plug 6. Main Oil Filter
7. Oil Pan 8. Oil Cooler 9. Oil fiiler & Dipstick
——END——

Optional Accessories of Caterpillar FC8A120 Automatic Transmission

1. Shift Panel 2. Shift Lever 3. Hydraulic Retarder
4. Side PTO Mounting Gear Set 5. Side PTO Mounting Gear Set
——END——

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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